CN103335061B - Wheel vibration absorber - Google Patents
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- CN103335061B CN103335061B CN201310287736.7A CN201310287736A CN103335061B CN 103335061 B CN103335061 B CN 103335061B CN 201310287736 A CN201310287736 A CN 201310287736A CN 103335061 B CN103335061 B CN 103335061B
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Abstract
The invention belongs to wheel vibration absorber.It comprises elastic element and mass block, feature also comprises at least one to connect framework, connect framework identical with the shape on the corresponding surface of wheel with the surface configuration of wheel inactive face coupling part, connect in framework and comprise at least one absorbing chamber, mass block at least local is arranged in the absorbing chamber of connection framework, is provided with elastic element between the chamber wall in mass block and absorbing chamber.Structure of the present invention is simple, and effect of vibration and noise reduction is good, stable performance, and be suitable for frequency domain wide, long service life, cost performance is very superior, is conducive to the wearing and tearing delaying wheel, and extend the working life of wheel, market application foreground is very wide.
Description
Technical field
The invention belongs to vibration and the field of noise control of track traffic, particularly relate to and be a kind ofly arranged at wheel inactive face, for alleviating the shock-absorbing means of unsteadiness of wheels and noise in rail vehicle running.
Background technique
In recent years, China's track traffic develop rapidly, while providing quick, safe trip mode to people, its vibration & noise problem produced also has had a strong impact on the quality of life of comfort level that passenger takes and nearby residents, and the stability of wheel track itself, Security and working life are also affected.Therefore the noise how reduced between wheel track becomes the problem that current industry is paid close attention to.
The wheel-rail noise studied when showing train operation is mainly the impact noise of wheel track surface imperfection formation and the rolling noise of wheel track surface roughness formation, and the noise that screams that the friction creep between wheel track is formed.
Takes a lot of measure to wheel noise reduction in current industry, conventional is install rim lubricating device additional on vehicle or track, wheel rim when being decreased through curve and the sound that screams between track; Or change wheel into elastic wheel; Some new researchs are coated with damping material on wheel former, pastes damping fin.
The technology of domestic and international a kind of comparative maturity installs a damper or a noise reduction ring additional at the wheel rim of wheel, and damper is formed by stacking by stacked conducting plate and damp film, is riveted together with stainless steel rivet, forms Damped Multi-degree of Freedom shock absorption system.The vibration-absorbing denoising frequency range of damping adjusting device is carried out by the elasticity of damping adjusting film and the boundary dimension of damping and sheet metal.But it installs complexity, inconvenient operation.
Chinese patent CN200620047561.8 discloses a kind of noise reduction wheel, namely what wherein adopt is noise reduction ring, noise reduction ring is embedded in circular groove that the inner edge of the one or both sides of wheel rim is offered, but this noise reduction ring is made up of metallic material, be embedded in circular groove after using the superposition of some noise reduction rings, still more complicated during installation, and limited to the assimilation effect of the high-frequency vibratory energy that the locomotive of running at high speed produces, and noise reduction is not obvious.
In summary it can be seen, prior art effect of vibration and noise reduction is limited, unstable properties, complex contour, and the risk that comes off is comparatively large, and structure opening, affects by dust, water, oil, installs and uses the defects such as complicated.Thus, the wheel shock-absorbing means of strong in the urgent need to a kind of simple, attractive in appearance, efficient, safety, weatherability on market, stable performance.
Summary of the invention
The object of the invention is to overcome above-mentioned defect, provide that a kind of effect of vibration and noise reduction is good, weatherability is strong, stable performance, be suitable for that frequency domain is wide, easy for installation, wheel vibration absorber that use safety, life-span are grown.
Wheel vibration absorber of the present invention realizes like this, a kind of wheel vibration absorber, comprise elastic element and and mass block, characterized by further comprising at least one and connect framework, connect framework identical with the shape on the corresponding surface of wheel with the surface configuration of wheel inactive face coupling part, connect in framework and comprise at least one absorbing chamber, mass block at least local is arranged in the absorbing chamber of connection framework, is provided with elastic element between the chamber wall in mass block and absorbing chamber.
Preferably, elastic element is radial or/and wheel is axially disposed between the chamber wall in mass block and absorbing chamber along wheel, or elastic element is arranged between the chamber wall in mass block and absorbing chamber around mass block.
Described elastic element can be made up of at least one in rubber, elastic polyurethane or metal spring.Wherein, metal spring comprises disc spring, leaf spring and helical spring etc.; Rubber can be specifically neoprene, nitrile butadiene rubber etc.In order to ensure elastic element in use all the time to the yielding support that mass block is remained valid, the elastic element arranged between mass block and chamber, absorbing chamber wall can be made to be in its pre-compressed state, and the precompression displacement of elastic element is greater than the amplitude relative to chamber, absorbing chamber wall when mass block works.Particularly for metal spring, with mass block and connect when framework is assembled and all need to implement precompression in the process of manufacturing of the present invention.
Wheel vibration absorber of the present invention can also comprise damping member, and damping member is arranged between mass block and chamber, absorbing chamber wall.Damping member can be made up of elastic spacer damping material; Damping member also can be made up of liquid damping material, and when setting up liquid damping, absorbing chamber is completely closed, and liquid damping material is filled in the portion void between mass block and chamber, absorbing chamber wall.In order to improve system damping further, can also arrange moving vane on mass block, chamber, absorbing chamber wall is provided with stator blade and coordinates with moving vane is staggered, is provided with liquid damping material in the portion void between adjacent stator blade and moving vane.In addition, can also at moving vane or/and stator blade be arranged flow-disturbing hole or flow-disturbing convex-concave structure.Certainly, flow-disturbing hole or flow-disturbing convex-concave structure can also be set on mass block.
Conveniently assemble with wheel, connect on framework and can also be provided with connecting plate, connecting plate is provided with attachment hole.Also claw structure can be set on connection framework.Can certainly notch be set, will not enumerate at this.Connection framework is locked on wheel by fastening piece, or is locked on wheel by connection framework by the draw-in groove on wheel or block edge, or will connect framework one bonding with wheel by binder or damping material.
In order to increase elastic element and connect the reliability be connected between framework and mass block, the chamber wall surface that can also coordinate with elastic element in absorbing chamber or/and mass block and elastic element matching surface on be provided with connection reinforcing structure.Described connection reinforcing structure comprises surface relief structures, surface knurling structure or surface galling structure.
When in connection framework, the quantity in absorbing chamber is more than one, the radial direction of absorbing chamber along wheel in connection framework is set up in parallel, or/and be set up in parallel along the axis of wheel, or/and be set up in parallel along the circumferencial direction of wheel.
In addition, be noted that the connection framework of wheel vibration absorber of the present invention is arranged on the inactive face of wheel along wheel circumference direction, the inactive face of wheel comprises the outer surface of wheel rim inner edge, spoke surface and wheel hub outer fringe surface.
Compared with prior art, wheel vibration absorber of the present invention, by the quality that mass block and elastic element are formed---spring system is arranged on and connects in framework, and tool has the following advantages:
(1) connect framework confrontation gauge block, elastic element and damping member and form effective protection, good weatherability, anti-sealing, oil, dust enter, especially when using macromolecular material, prevent ozone and ultraviolet radiation damage macromolecular material, elastic material not easily occurs aging, greatly can extend the working life of product;
(2) because mass block is not wrapped in elastic element as prior art, only with elastic element series, therefore the selection range of elastic element is wider, the use of metal spring becomes possibility, metal spring good springiness can be given full play to, physical property is little by environmetal impacts such as temperature and humidity, damping property more efficient stable, the advantages such as long service life;
(3) except mass tuning vibration damping, when mass block and connection framework are greater than 1/2 wavelength of a model frequency, mass block and connection framework can produce effect of contraction to elastic element and damping member, therebetween relative deformation can shear damping material therebetween, realize extra shear deformation power consumption, therefore effectiveness in vibration suppression is more remarkable;
(4) wheel vibration absorber of the present invention structurally realizes breaking through, less to the restriction of elastic element, the selection range of elastic element is wide, the elastic elements such as metal spring can be selected to substitute rubber, can evade the defect-as temperature sensitivity that existing rubber based elastic element exists, therefore its parameter area be suitable for is wider, performance is more stable;
(5) because wheel surface can utilize space very limited, in the present invention, mass block is not arranged on elastic element inside, elastic element takes up room less, therefore can arrange larger heavier mass block under same space condition, and then effectively improve the effect of mass tuning vibration damping;
(6) elastic element, damping material, adhesive material can independently realize respective characteristic optimizing, all can mass production, and parameter is uniform and stable, and adhesion strength is responsible for by binding material, and frequency modulation is responsible for by elastic material, and energy dissipating is responsible in damping;
(7) elastic material is just in case cracking, and the mass block in wheel vibration absorber also can not come off, safe and reliable;
(8) elastic element, left and right upper and lower at mass block is independently arranged, same mass block at wheel radial and wheel axle to frequency can independently adjust, realize tuning quality vibration damping in both direction;
(9) be just finished product when wheel vibration absorber is dispatched from the factory, can accurately measured the frequency of okperation of product before dispatching from the factory and debug, without the need to field adjustable, only needed to paste, be installed or fastening piece connection;
(10) if elastic element has precompression, even if material cracks, have internal crack, the rigidity of elastic element and the frequency of okperation of bump leveller can not change.
To sum up, the structure of wheel vibration absorber of the present invention is simple, and effect of vibration and noise reduction is good, good weatherability, stable performance, applicable frequency domain is wider, safe and reliable, long service life, cost performance is very superior, be conducive to the wearing and tearing delaying wheel, extend the working life of wheel, its market application foreground is very wide.
Accompanying drawing explanation
Fig. 1 is one of the structural representation and application schematic diagram of wheel vibration absorber of the present invention.
Fig. 2 is structural representation and the application schematic diagram two of wheel vibration absorber of the present invention.
Fig. 3 is one of A portion enlarged view in Fig. 1.
Fig. 4 is structural representation and the application schematic diagram three of wheel vibration absorber of the present invention.
Fig. 5 is structural representation and the application schematic diagram four of wheel vibration absorber of the present invention.
Fig. 6 is structural representation and the application schematic diagram five of wheel vibration absorber of the present invention.
Fig. 7 is structural representation and the application schematic diagram six of wheel vibration absorber of the present invention.
Fig. 8 is structural representation and the application schematic diagram seven of wheel vibration absorber of the present invention.
Fig. 9 is structural representation and the application schematic diagram eight of wheel vibration absorber of the present invention.
Figure 10 is structural representation and the application schematic diagram nine of wheel vibration absorber of the present invention.
Figure 11 is structural representation and the application schematic diagram ten of wheel vibration absorber of the present invention.
Figure 12 is the structural representation of wheel vibration absorber of the present invention and 11 of application schematic diagram.
Figure 13 is one of B portion enlarged view of Figure 12.
Figure 14 is the B portion enlarged view two of Figure 12.
Figure 15 is the structural representation of wheel vibration absorber of the present invention and 12 of application schematic diagram.
Figure 16 is the structural representation of wheel vibration absorber of the present invention and 13 of application schematic diagram.
Figure 17 is the structural representation of wheel vibration absorber of the present invention and 14 of application schematic diagram.
Figure 18 is the structural representation of wheel vibration absorber of the present invention and 15 of application schematic diagram.
Figure 19 is the structural representation of wheel vibration absorber of the present invention and 16 of application schematic diagram.
Figure 20 is the structural representation of wheel vibration absorber of the present invention and 17 of application schematic diagram.
Figure 21 is the structural representation of wheel vibration absorber of the present invention and 18 of application schematic diagram.
Figure 22 is one of D portion enlarged view in Figure 21.
Figure 23 is the D portion enlarged view two in Figure 21.
Figure 24 is the D portion enlarged view three in Figure 21.
Figure 25 is the D portion enlarged view four in Figure 21.
Figure 26 is the structural representation of wheel vibration absorber of the present invention and 19 of application schematic diagram.
Figure 27 is the structural representation of wheel vibration absorber of the present invention and 20 of application schematic diagram.
Figure 28 is one of D portion enlarged view in Figure 27.
Figure 29 is the D portion enlarged view two in Figure 27.
Embodiment
Embodiment one
Wheel vibration absorber of the present invention as shown in Figure 1, comprises elastic element 4 and mass block 3, comprises in addition and connects framework 2.Connect framework 2 and the wheel rim of wheel 1, the surface configuration of spoke coupling part is identical with the corresponding surperficial shape of wheel, connect in framework 2 and comprise an absorbing chamber 100, mass block 3 is arranged in the absorbing chamber 100 of connection framework 2, is provided with elastic element 4 between the chamber wall in mass block 3 and absorbing chamber 100.Concrete, elastic element 4 is arranged between mass block 3 and chamber, absorbing chamber 100 wall along wheel radial direction, connect framework 2 to be made up of aluminum alloy material, elastic element 4 is made up of rubber material, because rubber material has good damping characteristic, is conventional elastic spacer damping material, therefore elastic element 4 is also damping member simultaneously, mass block 3 is iron block, wherein, elastic element 4 by sulfuration process respectively with mass block 3 with connect framework 2 and be fixed together.In order to increase elastic element and connect the reliability be connected between framework and mass block, connection framework and the portion mating surface of elastic element and the portion mating surface of mass block and elastic element are respectively equipped with connection reinforcing structure.Described connection reinforcing structure, as shown in figures 1 and 3.Be specially the convex-concave structure 31 that the convex-concave structure 30 and mass block 3 respective surfaces that connect and framework 2 respective surfaces is arranged are arranged.
During application, as depicted in figs. 1 and 2, wheel vibration absorber is arranged to annular, utilizes adhesive material by bump leveller strong bond in wheel respective surfaces, can complete the assembling of wheel vibration absorber of the present invention and wheel along wheel circumference direction.It should be noted that wheel vibration absorber not must be arranged continuously on wheel, as required, also can segmentation along the circumferential direction be arranged on the inactive face of wheel in compartment of terrain, also can realize good effect, this point is applicable to all technological schemes of the present invention, illustrates in the lump at this.Certainly, except bonding, fastening piece etc. can also strengthen fixed effect further, be all the conventional seating means in related domain, all in the protection domain of application claims.When there is vibration in wheel, the quality that mass block and elastic element are formed---spring tuning system, producing reaction force work done power consumption makes the vibration of wheel be decayed rapidly, in addition, connect framework, damping-constraining energy-dissipation structure is also formed between elastomer and mass block, when mass block and connection framework are greater than 1/2 wavelength of a model frequency, mass block compression elastic element is in the process connecting framework movement, mass block and connection framework can produce effect of contraction to rubber material, therebetween relative deformation can shear rubber material therebetween, realize extra shear deformation power consumption, therefore the effect of oscillation damping and energy dissipating can be improved further.In addition, because the vibrational energy decay of wheel is fast, its vibration noise radiation intensity also reduces rapidly accordingly, therefore wheel vibration absorber of the present invention can realize good effect of vibration and noise reduction, meanwhile, effectively can alleviate the wearing and tearing of wheel, extend the working life of wheel.It is to be noted, in this example, although be only provided with elastic element 4 on the upper and lower surface of mass block 3 with connecting between framework 1 along wheel is radial, but due to elastic element 4 at wheel axle to also having certain elasticity, therefore this routine described wheel vibration absorber of the present invention can realize controlling the radial and axial vibration of wheel simultaneously.In practical application, by optimizing the elasticity of elastic element 4 and the gross weight of mass block 3, the control to different frequency vibration can be realized, during use, the bump leveller controlling different frequency vibration being disposed alternately at wheel inactive face.
The selection of elastic element of the present invention, mass block and connection framework can be varied, and such as, elastic element can adopt at least one in rubber, elastic polyurethane or metal spring to form; Mass block can adopt the high material of the proportion such as steel, iron to make; Connecting framework can adopt high strength, the corrosion-resistant materials such as stainless steel, aluminum alloy, glass fibre reinforced plastics to make.Certainly according to elastic element, mass block and the concrete material difference connecting framework; elastic element and mass block and connect the concrete Joining Technology of framework can be different; such as can adopt sulfuration, thermal-adhering, bonding or welding etc.; as long as three firmly can be linked together; can rise and want same effect, all among the protection domain of application claims.In addition, according to elastic element, the concrete material of mass block and connection framework is different, also only connection reinforcing structure can be set at the matching surface connecting framework and elastic element, or the connection reinforcing structure only arranged on the matching surface of mass block and elastic element, the concrete structure of surface relief structures can be protruding, pit, the various forms such as continuous fin or continuously groove, the sectional shape of surface relief structures can be rectangle, trapezoidal, circular arc, triangle, the various shape such as T-shaped, connection reinforcing structure is except the surface relief structures mentioned, can also be the structural type such as surface knurling structure or surface galling structure, also good effect can be realized, cannot accompanying drawing explanation one by one, only be described with word at this, all among the protection domain of application claims.
Compared with prior art, wheel vibration absorber of the present invention, by the quality that mass block and elastic element are formed---spring system is arranged on to connect in framework and forms bump leveller, and its tool has the following advantages:
(1) connect framework confrontation gauge block, elastic element and damping member and form effective protection, good weatherability, anti-sealing, oil, dust enter, especially when using macromolecular material, prevent ozone and ultraviolet radiation damage macromolecular material, elastic material not easily occurs aging, greatly can extend the working life of product;
(2) because mass block is not wrapped in elastic element as prior art, only with elastic element series, therefore the selection range of elastic element is wider, the use of metal spring becomes possibility, metal spring good springiness can be given full play to, physical property is little by environmetal impacts such as temperature and humidity, damping property more efficient stable, the advantages such as long service life;
(3) except mass tuning vibration damping, when mass block and connection framework are greater than 1/2 wavelength of a model frequency, mass block and connection framework can produce effect of contraction to elastic element and damping member, therebetween relative deformation can shear damping material therebetween, realize extra shear deformation power consumption, therefore effectiveness in vibration suppression is more remarkable;
(4) wheel vibration absorber of the present invention structurally realizes breaking through, less to the restriction of elastic element, the selection range of elastic element is wide, the elastic elements such as metal spring can be selected to substitute rubber, can evade the defect-as temperature sensitivity that existing rubber based elastic element exists, therefore its parameter area be suitable for is wider, performance is more stable;
(5) because wheel surface can utilize space very limited, in the present invention, mass block is not arranged on elastic element inside, elastic element takes up room less, therefore can arrange larger heavier mass block under same space condition, and then effectively improve the effect of mass tuning vibration damping;
(6) elastic element, damping material, adhesive material can be independent, realizes respective characteristic optimizing, all can mass production, parameter is uniform and stable.Adhesion strength is responsible for by binding material, and frequency modulation is responsible for by elastic material, and energy dissipating is responsible in damping;
(7) elastic material is just in case cracking, and the mass block in wheel vibration absorber also can not come off, safe and reliable;
(8) elastic element, left and right upper and lower at mass block is independently arranged, same mass block at wheel radial and wheel axle to frequency can independently adjust, realize tuning quality vibration damping in both direction;
(9) be just finished product when wheel vibration absorber is dispatched from the factory, can accurately measured the frequency of okperation of product before dispatching from the factory and debug, without the need to field adjustable, only needed to paste, be installed or fastening piece connection;
(10) if elastic element has precompression, even if material cracks, have internal crack, the rigidity of elastic element and the frequency of okperation of bump leveller can not change.
In sum, the structure of wheel vibration absorber of the present invention is simple, and vibration and noise reducing performance is good, and cost is low, long service life, and cost performance is high, is conducive to the wearing and tearing delaying wheel, and extend the working life of wheel, its market application foreground is very wide.
It is to be noted, preferably, make mass block 3 in assembly process and connect the elastic element 4 arranged between framework 2 and be in precompressed state, its advantage is: though form on the one hand elastic element material cracks, have internal crack, the rigidity of elastic element and the frequency of okperation of bump leveller can not change; On the other hand, when for controlling dither, the amplitude of mass block is less, and after precompression, the rigidity of elastic element linearly changes, easier Exact Design regulation and control; 3rd, owing to implementing pretension, elastic material is just in case cracking, and the mass block in wheel vibration absorber also can not come off, safe and reliable.Elastic element of the present invention can pretension, also can not pretension, and do not need during pretension to consider the spacing or fixing of elastic element, these features are applicable to all embodiments of the present invention, illustrate in the lump, repeat no longer one by one in Examples hereinafter at this.
Embodiment two
Wheel vibration absorber of the present invention as shown in Figure 4, be with the difference of embodiment one, the elastic element 4 of bump leveller is arranged between the chamber wall surface of mass block 3 wheel 1 corresponding to absorbing chamber 100 axis, connect framework 2 to be made up of glass fibre reinforced plastic material, elastic element 4 is made up of high damping elastane, mass block 3 is made up of Steel material, and wherein, elastic element 4 is pasted by chemistry and is fixed together with mass block 3 and chamber, absorbing chamber 100 wall respectively.In order to increase elastic element and connect the reliability be connected between framework and mass block, connection framework and the matching surface of elastic element and the matching surface of mass block and elastic element are respectively equipped with connection reinforcing structure, and described connection reinforcing structure is specially the surface knurling structure 33 that surface galling structure 32 and mass block 3 respective surfaces that connection framework 2 respective surfaces is arranged are arranged.The high damping elastane adopted due to elastic element 4 also has good damping characteristic, and be also one of conventional elastic spacer damping material, therefore elastic element 4 is also damping member simultaneously.In addition, elastic element 4, being pre-compressed with mass block 3 and connecting when framework 2 assembles, be in its pre-compressed state, and the precompression displacement of elastic element 4 is greater than the amplitude relative to chamber, absorbing chamber 100 wall when mass block 3 works.
Technological scheme described in this example and the assembly method between wheel and advantage substantially identical with embodiment one, no longer repeat at this.It is to be noted, in this routine described wheel vibration absorber of the present invention, only be provided with elastic element 4 in mass block 3 left and right side with connecting between framework 1, therefore this routine described wheel vibration absorber of the present invention is mainly used in controlling the vibration of wheel in axis, and it also has certain control action to radial vibration certainly.Compared with embodiment one, in this routine described technological scheme, because implement precompression to elastic element, even if the high damping elastane cracking in elastic element, there is internal crack, the rigidity of elastic element and the frequency of okperation of wheel vibration absorber of the present invention can not change, and its damping property is more reliable and more stable.
In practical application, by optimizing the elasticity of elastic element 4 and the gross weight of mass block 3, the control to different frequency vibration can be realized.During use, for multiple predominant oscillatory frequencies of wheel, the wheel vibration absorber of the present invention controlling corresponding vibration frequency can be disposed alternately at wheel inactive face.
Certainly; based on the know-why described in embodiment one; in the assembly process of this routine described wheel vibration absorber of the present invention; also can not to mass block with connect the elastic element arranged between framework and implement precompression; also same technique effect can be realized, also among the protection domain of application claims, in practical application; can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment three
Wheel vibration absorber of the present invention as shown in Figure 5, be with the difference of embodiment one, connect framework 2 to be made up of steel, elastic element 4 is arranged between the chamber wall surface of mass block 3 wheel 1 corresponding to absorbing chamber 100 axis, elastic element 4 adopts metal spring, be specially helical steel springs in this example, the two ends of helical steel springs are weldingly fixed on respectively and connect on framework 2 and mass block 3.In addition, for guaranteeing in using process, elastic element 4 forms effective supporting to mass block 3 all the time, elastic element 4 is being pre-compressed with mass block 3 and connecting when framework 2 assembles, be in its pre-compressed state, and the precompression displacement of elastic element 4 is greater than the amplitude relative to chamber, absorbing chamber 100 wall when mass block 3 works.
This routine described technological scheme is identical with the application process of embodiment one, no longer repeats at this.In addition, compared with embodiment one, this routine described wheel vibration absorber of the present invention also tool has the following advantages: owing to adopting helical steel springs as elastic element, helical steel springs is except having except good elasticity in radial direction, it axially also has good elasticity, therefore by controlling the relation between the radial rigidity of helical steel springs and axial rigidity, this routine described wheel vibration absorber of the present invention can control axis and the radial vibration of wheel simultaneously, its physical property is little by such environmental effects such as temperature and humidity, damping property is efficient stable more, longer service life.In addition, as the metal spring of elastic element except already mentioned helical spring, can also be able to be disc spring or leaf spring, good effect can be realized, all among the protection domain of application claims.Certainly, in order to ensure elastic element in use all the time to the yielding support that mass block is remained valid, for the elastic element being used alone metal spring formation, in the process of manufacturing of the present invention, preferably, elastic element and mass block and connect when framework is assembled and all implement precompression, this point is also applicable to the technological scheme that other independent applied metal springs of the present invention form elastic elements, is described in the lump at this.
Certainly, the present invention does not repel the technological scheme that elastic element is not pre-compressed yet, and according to different needs, elastic element also can not precompression, such as, by metal coil spring two ends respectively with mass block and connect together with framework is weldingly fixed on, precompression can not implemented to elastic element in this example.In general, when controlling dither, must implement pretension to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment four
Wheel vibration absorber of the present invention as shown in Figure 6, is with the difference of embodiment three, and the elastic element 4 that helical steel springs is formed is arranged between the axial and radial chamber wall surface of mass block 3 wheel 1 corresponding to absorbing chamber 100 simultaneously.
Compared with embodiment three, in the technological scheme described in this example, elastic element is upper and lower at mass block, left and right is independently arranged, same mass block at wheel radial and wheel axle to frequency can independently adjust, realize tuning quality vibration damping in both direction, it disturbs little mutually, and control accuracy is higher.In addition, because elastic element is bearing in mass block surrounding, in using process, the motion of mass block is more stable, is not easy to produce to swing and tilting moment.
Certainly, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment five
Wheel vibration absorber of the present invention as shown in Figure 7, is with the difference of technological scheme shown in Fig. 4, and the elastic element 4 that mass block 3 surrounding is arranged is made up of elastane.In addition, connect on framework 2 and be also provided with connecting plate 5, connecting plate 5 is provided with attachment hole 6.On the spoke of wheel 1, corresponding attachment hole 6 arranges tapped hole 10.Fastening piece 7 is fastened on tapped hole 10 through attachment hole 6.
During application, as shown in Figure 7 and Figure 8, wheel vibration absorber segmentation along the circumferential direction compartment of terrain is arranged on the inactive face of wheel, except the wheel vibration absorber of the present invention arranged wheel 1 left and right sides is adhesively fixed on except on wheel surface respectively, also utilize fastening piece 7 connection framework and wheel to be fixed together by the tapped hole on attachment hole 6 and wheel spoke, the stability that bump leveller and wheel assemble can be improved so further.Even if adhesive failure, bump leveller still can be fixed on wheel surface, can not come off.In addition, because the connection connecting framework and wheel is very reliable, elastic element 4 is in Pre strained state again, has both made to be separated between mass block 3 with elastic element 4, and mass block 4 is also not easily deviate from from absorbing chamber 100, can not cause potential safety hazard to driving.
Certainly; based on the know-why described in embodiment one and this example; wheel vibration absorber of the present invention described in this example also can along the circumferential direction be arranged on the inactive face of wheel continuously, also can realize same effect, all in the protection domain of application claims.It is to be noted especially, in the embodiment of the present invention, so the wheel vibration absorber of the present invention of this class segment applications also can adopt annular to be arranged on continuously on wheel inactive face shown in Fig. 8, be described in the lump with word at this, in the embodiment of similar technique scheme below, no longer repeat.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment six
Wheel vibration absorber of the present invention as shown in Figure 9, is with the difference of embodiment five, and elastic element 4 is the complex spring that rubber and metal spring are formed, and in addition, connection framework 2 arranges claw structure 8, the wheel rim inner edge of wheel 1 arranges the draw-in groove 9 corresponding with claw 8.Described claw and notch cooperatively interact.
During application except bonding, together with wheel is fastened and connected with connection framework by recycling claw and notch.Rubber material in this elastic element 4 also forms damping member simultaneously.
In this routine described technological scheme, elastic element 4 is made up of the complex spring of rubber and metal spring, adopt rubber-metal composite spring, both high elasticity, the long lifetime of metal spring can have been given full play to, rubber material can be utilized again effectively to suppress metal spring resonance in use, be conducive to damping property and the working life of further improving product.
In addition, the notch in this example and claw structure also can location swaps, namely on connection framework, arrange notch, wheel arranges claw structure.The shape of claw notch and pattern are also not limited only to shown in this example, illustrate no longer one by one at this.
Certainly, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment seven
Wheel vibration absorber of the present invention as shown in Figure 10, is with the difference of embodiment six, and during application except bonding, connection framework is fixed on wheel by the block edge structure on wheel again.During application, connect spoke and rim surface that framework 2 is fitted in wheel 1, surface of contact smears binder for both, then in conjunction with the block edge structure 10 that wheel rim is circumferentially arranged, fastening effect is produced to connection framework, realizes the assembling between wheel vibration absorber of the present invention and wheel.
Compared with embodiment six, in this routine described technological scheme, wheel vibration absorber of the present invention utilizes the block edge structure on wheel to be fastened on wheel inactive face, utilizes adhesive material wheel vibration absorber of the present invention and wheel to be sticked together simultaneously.This kind of method mounting or dismounting are convenient and swift, are convenient to safeguard, safe and reliable.Metallic material is adopted to make if connect framework, for preventing connecting metal strike sounding between framework and wheel, also one deck solid damping material can be set up on the contact surface connecting framework 2 and wheel 1, now connect framework 2, wheel 1 and solid Damping material layer and can also form constrained damping structure, strengthen energy dissipation capacity, improve effectiveness in vibration suppression.To this application accompanying drawing explanation no longer one by one, but all among the protection domain of application claims.
In addition, according to different needs, in wheel vibration absorber of the present invention, elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment eight
Wheel vibration absorber of the present invention as shown in figure 11, is with the difference of embodiment seven, connects framework 2 by connecting plate 5, fastening piece 7 and block edge structure 10, realizes the assembling between wheel vibration absorber of the present invention and wheel.In addition, in absorbing chamber 100, the complex spring that elastic element 4 is made up of metal disc spring and elastane is formed, and wherein the end of metal disc spring connects framework 2 with adjacent and mass block 3 is welded and fixed integral.
Compared with embodiment seven, the complex spring that this routine described wheel vibration absorber of the present invention utilizes metal disc spring and elastane to make, as elastic element 4, can make full use of disc spring bearing capacity strong, long service life, and the advantage such as take up room little.Now, be conducive to slot milling and larger mass block is set, promote damping property further.Certainly, as described in embodiment seven, adopting metallic material to make if connect framework, for preventing connecting metal strike sounding between framework and wheel, also one deck damping material can be set on connection framework 2 with the contact surface of wheel 1.
In addition, according to different needs, in wheel vibration absorber of the present invention, elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment nine
Wheel vibration absorber of the present invention as shown in Figure 12 and Figure 13, be with the difference of embodiment eight, elastic element 4 is made up of leaf spring, and the metal clips 11 that described leaf spring is made up of spring steel and surface coated rubber layer 12 thereof form jointly, hold the restraining groove of leaf spring accordingly on mass block 3 respectively.It is pointed out that, in elastic element 4, metal clips 11 mainly provides elasticity, rubber layer 12 mainly provides damping, and therefore rubber layer 12 uses in this as damping member.
This routine described wheel vibration absorber is identical with the application process of embodiment eight, no longer repeats at this.Compared with embodiment eight, wheel vibration absorber of the present invention described in this example, the tuning system formed except mass block and elastic element can realize except passive energy dissipation, metal clips 11 in elastic element also constantly shears rubber layer 12 therebetween in the course of the work under the constraint connecting framework, realize shear energy dissipation, therefore consume energy faster, effectiveness in vibration suppression is also better.
In addition, according to different needs, in wheel vibration absorber of the present invention, elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment ten
Wheel vibration absorber of the present invention as shown in figures 12 and 14, is with the difference of embodiment nine, elastic element 4 is made up of leaf spring, and the rubber layer 13 of the metal clips 14 that described leaf spring is made up of two flat spring steel and middle sandwiched thereof forms jointly.Similar to embodiment nine, rubber layer 13 also uses as damping member at this.
The application process of this routine described technological scheme and advantage are all substantially identical with embodiment nine, uniquely be noted that, in this example, metal clips 14 and rubber layer 13 directly form constrained damping structure, also can realize the power consumption continued in the course of the work, because the useful area of shearing damp material between metal clips 14 is larger, therefore the power consumption of its shearing damp is more, decay unsteadiness of wheels energy is faster, and effectiveness in vibration suppression is better.
In addition, according to different needs, in wheel vibration absorber of the present invention, elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 11
Wheel vibration absorber of the present invention as shown in figure 15, arranges respectively in wheel both sides and connects framework 18 and connect framework 15.Wherein, connect in framework 18 and comprise an absorbing chamber 101, arrange mass block 19 in absorbing chamber 101, mass block 19 and absorbing chamber 101 are respectively equipped with elastic element 20 along between wheel radial direction and axial chamber wall surface, and elastic element 20 is composited by helical steel springs and rubber material; Connect in framework 15 and comprise an absorbing chamber 102, arrange mass block 16 in absorbing chamber 102, mass block 16 and absorbing chamber 102 are respectively equipped with elastic element 17 along between wheel radial direction and axial chamber wall surface, and elastic element 17 is made up of rubber material; In addition, connect the connecting plate 25 framework 15 being provided with attachment hole, connect the connecting plate 24 framework 18 being provided with attachment hole.For coordinating the installation of bump leveller, spy arranges block edge structure 10 on wheel rim, and spoke arranges through hole.Connecting plate 25 and connecting plate 24 are connected by attachment hole and through hole by fastening piece 26, and then realize wheel vibration absorber of the present invention and wheel to be firmly assembled together.
Certainly, for preventing connecting metal strike sounding between framework and wheel, also one deck damping material can be set on the contact surface of the present invention and wheel.In addition, in order to improve the reliability of connection, adhesive material also can be utilized the present invention and wheel to be sticked together simultaneously.All the simple change during the present invention assembles, all in the middle of the protection domain of application claims.
In this routine described technological scheme, wheel vibration absorber of the present invention covers the inactive face of most of wheel, take full advantage of space, be provided with quality---the spring tuning system that more multimass block and elastic element are formed, be conducive to decaying sooner the vibrational energy of wheel, improves the vibration and noise reducing performance of product further.It is worth mentioning that in addition, owing to being provided with multiple absorbing chamber, therefore can comprise the tuning system of multiple mass block and elastic element formation, different tuning systems can be utilized to control the vibration of different frequency, its vibration frequency controlled is more, and effectiveness in vibration suppression is better.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 12
Wheel vibration absorber of the present invention as shown in figure 16, be with the difference of embodiment 11, connect framework 2 and be separated into four absorbing chambeies along wheel radial direction by dividing plate 48, mass block and elastic element is equipped with in each absorbing chamber, wherein, be provided with mass block 40 and elastic element 41 in absorbing chamber 104, elastic element 41 is arranged between mass block and chamber, absorbing chamber wall around mass block 40; Be provided with mass block 42 and elastic element 43 in absorbing chamber 105, elastic element 43 is arranged between mass block and chamber, absorbing chamber wall around mass block 42; Be provided with mass block 44 and elastic element 45 in absorbing chamber 106, elastic element 45 is arranged between the chamber wall in mass block and absorbing chamber around mass block 44; Be provided with mass block 46 and elastic element 47 in absorbing chamber 107, elastic element 47 is arranged between mass block and chamber, absorbing chamber wall around mass block 46.Mass block 40,42,44 and 46 all adopts cast iron materials to make, and elastic element 41,43,45 and 47 all adopts high damping elastic rubber material to make, and also uses as damping member simultaneously.
This routine described wheel vibration absorber of the present invention is identical with the application mode of embodiment seven, is also to be fixed by the 10 pairs of wheel vibration absorber of the block edge structure on wheel.Just on wheel rim and wheel hub, be equipped with block edge structure 10 in the present embodiment.In addition, compared with embodiment seven, the sharpest edges of this routine described technological scheme are, owing to connecting in framework along the radial absorbing chamber being provided with four sizes and differing of wheel, mass size in each absorbing chamber is different, elastic element thickness in each absorbing chamber is also different, therefore, optimize the parameter of mass block and elastic element in each absorbing chamber respectively, just can make the quality that in each absorbing chamber, mass block and elastic element are formed---spring tuning system controls a certain characteristic frequency and vibrates, the vibration of four frequencies can be controlled simultaneously, effect of vibration and noise reduction after using is better.In addition; the material of the mass block adopted in different absorbing chamber can be different, and the material of the elastic element adopted in different absorbing chamber also can be different, as long as adjust quality and elastic element rigidity; effectively can control a certain specific vibration frequency, all in the middle of the protection domain of application claims.In addition; based on the know-why described in embodiment four; be positioned at mass block elastic element that is upper and lower and left and right to be also made up of different materials; such mass block at wheel radial and wheel axle to frequency can independently adjust; tuning quality vibration damping is realized in both direction; it disturbs little mutually; control accuracy is higher; this feature is also applicable to other elastic elements and is arranged on technological scheme between mass block and chamber, absorbing chamber wall around mass block; be described with word in the lump at this, also among the protection domain of application claims.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 13
Wheel vibration absorber of the present invention as shown in figure 17, is with the difference of embodiment 12, and wheel vibration absorber comprises two connection frameworks 2 arranged along wheel circumference direction.Mass block 40 only two end part is arranged in the absorbing chamber of connection framework 2, and middle part is exposed to and connects framework 2.Comprise an absorbing chamber in connection framework 2, arrange mass block 40 and elastic element 41 in absorbing chamber, mass block 40 is made up of cast steel, and elastic element 41 is made up of high damping elastic caoutchouc, be elastic element is also damping member.Elastic element 41 is arranged between the chamber wall in mass block and absorbing chamber around mass block 40 surrounding.Structure in the absorbing chamber of connection framework 2 and Figure 11 similar, at this no longer detailed icon.Connection framework 2 is also provided with the connecting plate 5 of band mounting hole, and fixing with wheel by fastening piece 7 and block edge structure 10 together with.
This routine described technological scheme, except there is all advantages of wheel vibration absorber of the present invention shown in Fig. 5, because its mass block is only partly arranged in absorbing chamber, parameter such as adjustment quality and elastic element rigidity etc. is more convenient, except may be used for controlling except medium-high frequency vibration, again because it can arrange larger mass block, be also specially adapted to control low-frequency vibration, Applicable scope is wider.This routine described wheel vibration absorber is fixedly installed on wheel inactive face along wheel circumference direction equally.Short along the length specific mass block 40 in wheel circumference direction owing to connecting framework 2, therefore also help saving material.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 14
Wheel vibration absorber of the present invention as shown in figure 18, be with the difference of embodiment 13, comprise two connection frameworks 2 arranged along wheel radial direction, two connect the end that framework is separately positioned on mass block 40, comprise an absorbing chamber in each connection framework 2, mass block 40 and elastic element 41 are set in absorbing chamber, wherein, the local of mass block 40 only two ends is arranged in absorbing chamber, and intermediate portion is exposed to be connected between framework at two.
Compared with embodiment 13, this routine described technological scheme, production assembling is convenient, and in the middle of mass block, the sectional dimension of naked section even can be greater than and connect framework sectional dimension, is conducive to arranging larger mass block, controls more low-frequency vibration.Meanwhile, mass block two ends and elastic element and connect framework and coordinate, during work, stability is also better.In addition, the materials'use amount reducing further and connect framework is also helped, cost-saving.
Certainly, based on the know-why described in this example, connect framework also can arrange three even more, all among the protection domain of application claims.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 15
Wheel vibration absorber of the present invention as shown in figure 19, is with the difference of embodiment 12, and wheel both sides arrange two and connect frameworks 2, and the surperficial and wheel hub outer fringe surface of the outer surface of connection framework and wheel rim inner edge, spoke matches.Four absorbing chambeies are comprised in each connection framework 2.Two connection frameworks are arranged along the axis of wheel, and the absorbing chamber in each connection framework is arranged along the radial direction of wheel.Be equipped with mass block and elastic element in each absorbing chamber, elastic element is arranged in the surrounding of mass block.Mass block is made up of loaded concrete material, and elastic element is made by elastane.
During application, as shown in figure 19, adhesive material is utilized directly to be adhesively fixed on the inactive face of wheel 1 this routine described wheel vibration absorber of the present invention, for increasing the reliability be connected and fixed, also utilize the block edge structure on rim for automobile wheel and wheel hub to coordinate with connection framework and wheel vibration absorber of the present invention is fixed on wheel surface, complete the assembling between wheel vibration absorber of the present invention and wheel.
Similar to embodiment 12, by optimizing quality and elastic element rigidity.Wheel vibration absorber of the present invention can control the vibration of multiple frequency simultaneously, very convenient to use.As mass block uses different quality, elastic element adopts the rubber material of dissimilar different-stiffness, then can for the vibration characteristic of zones of different on wheel, and control targetedly, effectiveness in vibration suppression is better.Adopt loaded concrete to make mass block, corrosion can not occur, long service life, and can greatly reduce costs.In addition; mass block in this example in different absorbing chamber and elastic element also can adopt different materials to make; such as can adopt metal spring, rubber spring and the Elastic polyurethane spring etc. respectively; in addition; normal concrete or reinforced concrete can also be adopted to make mass block; also good effect can be realized, all among the protection domain of application claims.
It is pointed out that the know-why based on this example, connecting absorbing chamber in framework can be radial or/and along wheel axle to or/and arrange along wheel circumference direction, it can realize the vibration controlling multiple frequency, uses very convenient along wheel.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 16
Wheel vibration absorber of the present invention as shown in figure 20, be with the difference of wheel vibration absorber shown in Fig. 6, connect framework 2 to be made up of steel plate, connect in the absorbing chamber 100 of framework and be also provided with damping member 65, described damping member 65 is made up of liquid damping material, absorbing chamber 100 is completely closed, and liquid damping material is filled in the portion void between mass block 3 and chamber, absorbing chamber 100 wall.
The application process of this routine described wheel vibration absorber of the present invention is identical with embodiment one, no longer repeats at this.Owing to having set up the damping member 65 that liquid damping material is formed in absorbing chamber 100, mass block 3 has absorbed unsteadiness of wheels energy when being subjected to displacement, and liquid damping material can produce the counter-force that is hindered mass block movement, thus is consumed rapidly by the energy of mass block.Therefore, the vibrational energy of wheel not only can be made to decay rapidly, the resonance of elastic element 4 can also be suppressed, make elastic element 4 recover rapidly static, thus improve the fatigue life of elastic element, and then extend the working life of product of the present invention.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 17
Wheel vibration absorber of the present invention as shown in figure 21 and figure, is with the difference of embodiment 16, mass block 3 is provided with flow-disturbing convex-concave structure, and many sectional shapes that flow-disturbing convex-concave structure is specially the setting of mass block 3 surface are leg-of-mutton fin 67.
Compared with embodiment 17, because mass block 3 surface is provided with many fins 67, effective area of contact of the damping member 65 that mass block 3 and liquid damping material are formed is larger, and the resistance that liquid damping material produces mass block is also just larger, therefore consume energy faster, effectiveness in vibration suppression is also better.
Based on the know-why described in this example, the sectional shape of fin 67 also can be circular arc, rectangle, the various shape such as trapezoidal.In addition, flow-disturbing convex-concave structure can be varied, such as, also can as shown in figure 23, many grooves 68 that flow-disturbing convex-concave structure is arranged by mass block 3 surface are formed; Or multiple local crownings 69 that as shown in figure 24, flow-disturbing convex-concave structure is arranged by mass block 3 surface are formed; Again or as shown in figure 25, multiple local pit 70 that flow-disturbing convex-concave structure is arranged by mass block 3 surface is formed.Certainly except diagram shape is right; the sectional shape of groove 68, local crowning 69 and local pit 70 also can be varied; as long as effective area of contact of mass block and liquid damping material can be improved, good effect can be realized, all among the protection domain of application claims.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 18
Wheel vibration absorber of the present invention as shown in figure 26, is with the difference of embodiment 17, and flow-disturbing convex-concave structure is made up of to through flow-disturbing hole 71 along wheel axle the multiple of setting on mass block 3.Flow-disturbing hole 71 is immersed in the damping member 65 of liquid damping material formation.
Effective area of contact of mass block and liquid damping material effectively can be improved in the flow-disturbing hole 71 that mass block 3 is arranged.When mass block 3 moves, can there is relative movement in the liquid damping material in flow-disturbing hole 71 and mass block 3, therefore can produce resistance and consume energy, so effectively can improve the damping property of product arrange flow-disturbing hole 71 on mass block 3 after.Because flow-disturbing hole 71 is along wheel axle to setting, when mass block moves axially along wheel, effectiveness in vibration suppression is the most obvious, and therefore this technological scheme is more suitable for the axial vibration controlling wheel.Based on this principle, the flow-disturbing hole along wheel radial direction also can be set on mass block, to control the radial vibration of wheel.Certainly, can arrange on mass block simultaneously along wheel radial direction flow-disturbing hole and along wheel axle to flow-disturbing hole, be conducive to improving the ability controlling unsteadiness of wheels, also among the protection domain of application claims comprehensively.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 19
Wheel vibration absorber of the present invention as shown in Figure 27 and Figure 28, be with the difference of embodiment 16, mass block 3 is also provided with moving vane 73, chamber, absorbing chamber 100 wall is provided with stator blade 74 and coordinates with moving vane 73 is staggered, is provided with liquid damping material 65 in the portion void between adjacent stator blade 74 and moving vane 73.
Similar to the know-why recorded in embodiment 17, due to the chamber wall in mass block and absorbing chamber being provided with the moving vane and stator blade that cooperatively interact respectively, the effective area of contact between mass block and liquid damping material can be significantly improved, moving vane and stator blade cooperatively interact in the course of the work simultaneously, also liquid damping material is produced to the effect extruded, therefore consume energy faster, effectiveness in vibration suppression is better.
In addition, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Embodiment 20
Wheel vibration absorber of the present invention as shown in figure 29, is with the difference of embodiment 20, moving vane 73 is provided with flow-disturbing hole 75, stator blade 74 is also provided with flow-disturbing hole 76.
Due to moving vane and stator blade being provided with flow-disturbing hole respectively, when moving vane is near stator blade, liquid damping material suffer oppression also can in flow-disturbing hole play, further increase energy dissipation capacity, and then the effectiveness in vibration suppression of improving product.Certainly based on the know-why described in this example, also only flow-disturbing hole can be set on one of moving vane or stator blade, also can play good effectiveness in vibration suppression.In addition; based on the know-why described in the know-why described in this example and embodiment 18; also can at stator blade or/and moving vane be arranged flow-disturbing convex-concave structure; fin, projection, local crowning or local pit etc. are such as set; close effect can be played; all among the protection domain of application claims, be only described with word at this, no longer in addition accompanying drawing.Have again, according to different needs, this routine elastic element can precompression also can not precompression, in general, when controlling dither, pretension must be implemented to elastic element, when controlling low-frequency vibration, elastic element can not pretension, in practical application, can, according to the feature of required control structure vibration frequency, select whether to implement precompression to elastic element.
Can be found out by above-described embodiment, compared with prior art, wheel vibration absorber of the present invention, by the quality that mass block and elastic element are formed---spring system is arranged on and connects in framework, it at least has the following advantage of part: (1) connects framework confrontation gauge block, elastic element and damping member and forms effective protection, good weatherability, anti-sealing, oil, dust enter, especially when using macromolecular material, prevent ozone and ultraviolet radiation damage macromolecular material, elastic material not easily occurs aging, greatly can extend the working life of product; (2) because mass block is not wrapped in elastic element as prior art, only with elastic element series, therefore the selection range of elastic element is wider, the use of metal spring becomes possibility, metal spring good springiness can be given full play to, physical property is little by environmetal impacts such as temperature and humidity, damping property more efficient stable, the advantages such as long service life; (3) except mass tuning vibration damping, when mass block and connection framework are greater than 1/2 wavelength of a model frequency, mass block and connection framework can produce effect of contraction to elastic element and damping member, therebetween relative deformation can shear damping material therebetween, realize extra shear deformation power consumption, therefore effectiveness in vibration suppression is more remarkable; (4) wheel vibration absorber of the present invention structurally realizes breaking through, less to the restriction of elastic element, the selection range of elastic element is wide, the elastic elements such as metal spring can be selected to substitute rubber, can evade the defect-as temperature sensitivity that existing rubber based elastic element exists, therefore its parameter area be suitable for is wider, performance is more stable; (5) because wheel surface can utilize space very limited, in the present invention, mass block is not arranged on elastic element inside, elastic element takes up room less, therefore can arrange larger heavier mass block under same space condition, and then effectively improve the effect of mass tuning vibration damping; (6) elastic element, damping material, adhesive material can be independent, realizes respective characteristic optimizing, all can mass production, parameter is uniform and stable.Adhesion strength is responsible for by binding material, and frequency modulation is responsible for by elastic material, and energy dissipating is responsible in damping; (7) elastic material is just in case cracking, and the mass block in wheel vibration absorber also can not come off, safe and reliable; (8) elastic element, left and right upper and lower at mass block is independently arranged, same mass block at wheel radial and wheel axle to frequency can independently adjust, realize tuning quality vibration damping in both direction; (9) be just finished product when wheel vibration absorber is dispatched from the factory, can accurately measured the frequency of okperation of product before dispatching from the factory and debug, without the need to field adjustable, only needed to paste, be installed or fastening piece connection; (10) if elastic element has precompression, even if material cracks, have internal crack, the rigidity of elastic element and the frequency of okperation of bump leveller can not change.
Be noted that especially, in the wheel vibration absorber of various structure of the present invention, preferably, make mass block in assembly process and connect the elastic element arranged between framework and be in precompressed state, its advantage is: though form on the one hand elastic element material cracks, have internal crack, the rigidity of elastic element and the frequency of okperation of bump leveller can not change; On the other hand, when for controlling dither, the amplitude of mass block is less, and after precompression, the rigidity of elastic element linearly changes, easier Exact Design regulation and control; 3rd, owing to implementing pretension, elastic material is just in case cracking, and the mass block in wheel vibration absorber also can not come off, safe and reliable.In addition, during application, namely wheel vibration absorber of the present invention can arrange at the inactive face of wheel ringwise continuously, also can be arranged on the inactive face of wheel to one section of one spacer segment along Wheel ring packing, can play good effect.Above-mentioned technology contents is applicable to the technological scheme recorded in all embodiments of the present invention; owing to being only described for accompanying drawing in section Example; do not repeat above-mentioned technology contents one by one in each example; give to illustrate in the lump at this, these technological schemes are all among the protection domain of application claims.
Wheel vibration absorber applicability of the present invention is strong, and long service life, effect of vibration and noise reduction is good, and market application foreground is very wide.In addition, the embodiment in the present invention is only better and technological scheme of the present invention is described, should not be considered as limitation of the present invention, the technical characteristics wherein in many embodiments also can cross-reference.The present invention also cannot assembly method between limit and wheel in addition, except utilize mention in embodiment bonding, be fastened and connected, except the method such as fastening piece connection, also have other multiple technologies means to be mounted with.Based on the technology of the present invention principle; those skilled in the art can re-start combination to technological scheme described in above-described embodiment or utilize similar technique simply to replace wherein some element; as long as based on know-why of the present invention, all in the protection domain of application claims.
Claims (16)
1. a wheel vibration absorber, comprise elastic element and mass block, characterized by further comprising at least one and connect framework, connect framework identical with the shape on the corresponding surface of wheel with the surface configuration of wheel inactive face coupling part, connect in framework and comprise at least one absorbing chamber, mass block at least local is arranged in the absorbing chamber of connection framework, elastic element is provided with between the chamber wall in mass block and absorbing chamber, elastic element is radial or/and wheel is axially disposed between the chamber wall in mass block and absorbing chamber along wheel, or elastic element is arranged between the chamber wall in mass block and absorbing chamber around mass block, connection framework is locked on wheel by fastening piece, or be fixed on wheel by the draw-in groove on wheel or block edge, or by binder or damping material one bonding with wheel.
2. wheel vibration absorber according to claim 1, is characterized in that elastic element is made up of at least one in rubber, elastic polyurethane or metal spring.
3. wheel vibration absorber according to claim 2, is characterized in that metal spring comprises disc spring, leaf spring and helical spring.
4. wheel vibration absorber according to claim 2, is characterized in that the elastic element arranged between mass block and chamber, absorbing chamber wall is in its pre-compressed state, and the precompression displacement of elastic element is greater than the amplitude relative to chamber, absorbing chamber wall when mass block works.
5. wheel vibration absorber according to claim 1, characterized by further comprising damping member, and damping member is arranged between mass block and chamber, absorbing chamber wall.
6. wheel vibration absorber according to claim 5, is characterized in that damping member is made up of elastic spacer damping material.
7. wheel vibration absorber according to claim 5, it is characterized in that damping member is made up of liquid damping material, the opening in absorbing chamber is provided with Sealing, and Sealing is completely closed by absorbing chamber, and liquid damping material is filled in the portion void between mass block and chamber, absorbing chamber wall.
8. wheel vibration absorber according to claim 7, is characterized in that mass block is provided with moving vane, and chamber, absorbing chamber wall is provided with stator blade and coordinates with moving vane is staggered, is provided with liquid damping material in the portion void between adjacent stator blade and moving vane.
9. wheel vibration absorber according to claim 8, is characterized in that moving vane or/and stator blade is provided with flow-disturbing hole or flow-disturbing convex-concave structure.
10. wheel vibration absorber according to claim 1, is characterized in that mass block is provided with flow-disturbing hole or flow-disturbing convex-concave structure.
11. wheel vibration absorber according to claim 1, it is characterized in that connecting framework is provided with connecting plate, connecting plate is provided with attachment hole, or connection framework is provided with claw or notch.
12. wheel vibration absorber according to claim 1, is characterized in that the chamber wall surface that absorbing chamber coordinates with elastic element or/and the matching surface of mass block and elastic element is provided with connection reinforcing structure.
13. wheel vibration absorber according to claim 12, is characterized in that connection reinforcing structure comprises surface relief structures, surface knurling structure or surface galling structure.
14. wheel vibration absorber according to claim 1, it is characterized in that the quantity connecting absorbing chamber in framework is more than one, the radial direction of absorbing chamber along wheel in connection framework is set up in parallel, or/and be set up in parallel along the axis of wheel, or/and be set up in parallel along the circumferencial direction of wheel.
15. wheel vibration absorber according to claim 1, is characterized in that connecting framework is arranged on the inactive face of wheel along wheel circumference direction, and the inactive face of wheel comprises the surface of wheel rim inner edge, spoke surface and wheel hub outer fringe surface.
16. wheel vibration absorber according to claim 2, is characterized in that elastic element is bonding with between mass block and chamber, absorbing chamber wall, weld or sulfuration is connected and fixed integral.
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| CN201310287736.7A CN103335061B (en) | 2013-07-10 | 2013-07-10 | Wheel vibration absorber |
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| CN201310287736.7A CN103335061B (en) | 2013-07-10 | 2013-07-10 | Wheel vibration absorber |
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| CN103335061B true CN103335061B (en) | 2016-01-20 |
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| CN103335057B (en) * | 2013-07-10 | 2015-07-22 | 青岛科而泰环境控制技术有限公司 | Tuned mass damper with frame |
| CN105196787A (en) * | 2015-10-15 | 2015-12-30 | 同济大学 | Built-in particle damping shock absorber type wheel for railway vehicle |
| CN105626760A (en) * | 2016-01-18 | 2016-06-01 | 同济大学 | Particle damping absorber with wheel and electromagnetic rheological fluid for railway vehicles |
| KR102507233B1 (en) * | 2018-01-10 | 2023-03-07 | 현대자동차주식회사 | Apparatus for noise diminution of tire |
| CN108916302B (en) * | 2018-08-21 | 2020-02-07 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Combined broadband dynamic vibration absorption device |
| CN111043239B (en) * | 2019-12-25 | 2021-09-17 | 西北工业大学宁波研究院 | Super-elastic low Poisson's ratio distributed cell element vibration suppression structure |
| CN111288148B (en) * | 2020-02-12 | 2021-05-25 | 常州工学院 | High-damping double-frequency dynamic vibration reduction gear transmission device |
| CN112277526B (en) * | 2020-11-02 | 2021-11-05 | 合肥工业大学 | Active control vibration damping and noise reduction elastic wheel for rail vehicle |
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