CN112727458A - Sliding assembly and coal mining equipment walking device - Google Patents
Sliding assembly and coal mining equipment walking device Download PDFInfo
- Publication number
- CN112727458A CN112727458A CN202110031399.XA CN202110031399A CN112727458A CN 112727458 A CN112727458 A CN 112727458A CN 202110031399 A CN202110031399 A CN 202110031399A CN 112727458 A CN112727458 A CN 112727458A
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- pin shaft
- wall surface
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- channel
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C29/00—Propulsion of machines for slitting or completely freeing the mineral from the seam
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C47/00—Machines for obtaining or the removal of materials in open-pit mines
- E21C47/02—Machines for obtaining or the removal of materials in open-pit mines for coal, brown coal, or the like
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Abstract
The invention discloses a sliding assembly and a coal mining equipment walking device, wherein the sliding assembly comprises a frame body, a pin shaft, a sliding block and an oil supply component, a cavity is arranged in the frame body, the pin shaft is arranged on the frame body, at least part of the pin shaft is positioned in the cavity, the sliding block is arranged in the cavity, a first through hole is formed in the sliding block, the pin shaft penetrates through the first through hole to enable the sliding block to be rotatably assembled on the periphery of the pin shaft, a first surface is arranged on the periphery of the sliding block and used for being in contact with a guide rail of the coal mining equipment walking device in a fit mode, and the oil supply component is used for supplying lubricating oil between the pin shaft and the sliding block. The sliding assembly avoids the phenomenon of movement and shaking of the walking device of the coal mining equipment, and has stable and safe operation and high structural strength.
Description
Technical Field
The invention relates to the technical field of open-pit coal mining, in particular to a sliding assembly and a coal mining equipment walking device applying the sliding assembly.
Background
The open pit coal mine is mined by special open pit mining equipment, and in order to meet the propelling requirement of a mining working face and facilitate the movement and the steering of the open pit mining equipment, a walking device is arranged at the bottom of the open pit mining equipment. In the related art, the walking device comprises a rail and a walking platform, the main body of the surface mining equipment is installed on the walking platform, a plurality of rollers are arranged on the walking platform, and the walking platform is moved by rolling of the rollers on the rail. But running gear is moving the in-process taking a step, and the track can produce bending deformation because of upper portion bears the heavy load or because of reasons such as the unevenness of lower part ground, and partial gyro wheel can separate with the track, and the shake can appear when walking platform moves along the track, is unfavorable for the safe even running of opencut equipment.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides the sliding assembly which is stable and safe in operation and high in structural strength.
The embodiment of the invention also provides a coal mining equipment walking device with the sliding assembly.
A glide assembly according to an embodiment of the present invention includes: the rack body is internally provided with a cavity; the pin shaft is arranged on the frame body, and at least part of the pin shaft is positioned in the cavity; the sliding block is arranged in the cavity, a first through hole is formed in the sliding block, the pin shaft penetrates through the first through hole, so that the sliding block is rotatably assembled on the periphery of the pin shaft, and a first surface is arranged on the periphery of the sliding block and is used for being attached and contacted with a guide rail of a coal mining equipment walking device; and the oil supply assembly is used for supplying lubricating oil between the pin shaft and the sliding block.
The sliding assembly avoids the phenomenon of movement and shaking of the walking device of the coal mining equipment, and has stable and safe operation and high structural strength.
In some embodiments, a guide groove is formed in an outer periphery of the slider, the guide groove is used for the guide rail to insert, the guide groove has an inner wall surface, the inner wall surface includes a first wall surface, a second wall surface and a third wall surface, one side of the first wall surface is connected with the second wall surface, the first wall surface and the second wall surface form an angle, the other side of the first wall surface is connected with the third wall surface, the first wall surface and the third wall surface form an angle, and the first wall surface forms the first surface.
In some embodiments, the sliding assembly further includes a sleeve disposed in the cavity, and the sleeve is disposed on the outer periphery of the pin shaft and at least partially located in the first through hole.
In some embodiments, an oil injection channel is arranged in the pin shaft, the oil injection channel has an inlet and an outlet, the inlet of the oil injection channel is arranged on the end surface of the pin shaft, the outlet of the oil injection channel is arranged on the periphery of the pin shaft, and the oil injection channel is used for introducing lubricating oil between the sleeve body and the pin shaft.
In some embodiments, the sleeve body has an inner wall surface, and an oil storage groove is formed in the inner wall surface of the sleeve body, corresponds to the outlet of the oil filling channel, and is used for storing lubricating oil.
In some embodiments, the sleeve body includes a first sub-sleeve and a second sub-sleeve, and the first sub-sleeve and the second sub-sleeve are sequentially arranged along the axial direction of the pin shaft.
In some embodiments, oil storage grooves are formed in the first sub-sleeve and the second sub-sleeve, the oil injection channel includes a first channel and a second channel, an inlet of the first channel is formed in one side end face of the pin shaft, an outlet of the first channel is formed in the outer peripheral face of the pin shaft, an outlet of the first channel corresponds to the oil storage groove of the first sub-sleeve, an inlet of the second channel is formed in the other side end face of the pin shaft, an outlet of the second channel is formed in the outer peripheral face of the pin shaft, and an outlet of the second channel corresponds to the oil storage groove of the second sub-sleeve.
In some embodiments, the sliding assembly further includes a first baffle and a second baffle, the frame body is provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are both used for the pin shaft to pass through, the first baffle is arranged at the first mounting hole, the first baffle is used for blocking one end of the pin shaft, the second baffle is arranged at the second mounting hole, and the second baffle is used for blocking the other end of the pin shaft.
In some embodiments, the sliding assembly further includes a first retaining ring and a second retaining ring, the first retaining ring and the second retaining ring are both disposed in the cavity, the first retaining ring and the second retaining ring are both sleeved on the periphery of the pin shaft, the first retaining ring is located on one side of the slider, and the second retaining ring is located on the other side of the slider.
The coal mining equipment walking device comprises a walking platform, a lifting component, a sliding assembly, a guide rail and a telescopic device, wherein the walking platform is arranged on the lifting component, the lifting component is used for driving the walking platform to move up and down, the sliding assembly is arranged between the lifting component and the guide rail, the telescopic device is used for driving the lifting component to move along the guide rail, and the sliding assembly comprises: the rack body is internally provided with a cavity; the pin shaft is arranged on the frame body, and at least part of the pin shaft is positioned in the cavity; the sliding block is arranged in the cavity, a first through hole is formed in the sliding block, the pin shaft penetrates through the first through hole, so that the sliding block is rotatably assembled on the periphery of the pin shaft, and a first surface is arranged on the periphery of the sliding block and is used for being attached and contacted with a guide rail of a coal mining equipment walking device; and the oil supply assembly is used for supplying lubricating oil between the pin shaft and the sliding block.
In some embodiments, a guide groove is formed in an outer periphery of the slider, the guide groove is used for the guide rail to insert, the guide groove has an inner wall surface, the inner wall surface includes a first wall surface, a second wall surface and a third wall surface, one side of the first wall surface is connected with the second wall surface, the first wall surface and the second wall surface form an angle, the other side of the first wall surface is connected with the third wall surface, the first wall surface and the third wall surface form an angle, and the first wall surface forms the first surface.
In some embodiments, the sliding assembly further includes a sleeve disposed in the cavity, and the sleeve is disposed on the outer periphery of the pin shaft and at least partially located in the first through hole.
In some embodiments, an oil injection channel is arranged in the pin shaft, the oil injection channel has an inlet and an outlet, the inlet of the oil injection channel is arranged on the end surface of the pin shaft, the outlet of the oil injection channel is arranged on the periphery of the pin shaft, and the oil injection channel is used for introducing lubricating oil between the sleeve body and the pin shaft.
In some embodiments, the sleeve body has an inner wall surface, and an oil storage groove is formed in the inner wall surface of the sleeve body, corresponds to the outlet of the oil filling channel, and is used for storing lubricating oil.
In some embodiments, the sleeve body includes a first sub-sleeve and a second sub-sleeve, and the first sub-sleeve and the second sub-sleeve are sequentially arranged along the axial direction of the pin shaft.
In some embodiments, oil storage grooves are formed in the first sub-sleeve and the second sub-sleeve, the oil injection channel includes a first channel and a second channel, an inlet of the first channel is formed in one side end face of the pin shaft, an outlet of the first channel is formed in the outer peripheral face of the pin shaft, an outlet of the first channel corresponds to the oil storage groove of the first sub-sleeve, an inlet of the second channel is formed in the other side end face of the pin shaft, an outlet of the second channel is formed in the outer peripheral face of the pin shaft, and an outlet of the second channel corresponds to the oil storage groove of the second sub-sleeve.
In some embodiments, the sliding assembly further includes a first baffle and a second baffle, the frame body is provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are both used for the pin shaft to pass through, the first baffle is arranged at the first mounting hole, the first baffle is used for blocking one end of the pin shaft, the second baffle is arranged at the second mounting hole, and the second baffle is used for blocking the other end of the pin shaft.
In some embodiments, the sliding assembly further includes a first retaining ring and a second retaining ring, the first retaining ring and the second retaining ring are both disposed in the cavity, the first retaining ring and the second retaining ring are both sleeved on the periphery of the pin shaft, the first retaining ring is located on one side of the slider, and the second retaining ring is located on the other side of the slider.
Drawings
FIG. 1 is a side schematic view of a glide assembly according to an embodiment of the present invention.
FIG. 2 is a schematic cross-sectional view of a glide assembly according to an embodiment of the present invention.
Fig. 3 is a partially enlarged view of fig. 2.
FIG. 4 is a schematic diagram of an oil supply assembly of the glide assembly according to an embodiment of the present invention.
Fig. 5 is a schematic perspective view of a coal mining device running gear according to an embodiment of the invention.
Fig. 6 is a schematic view at the guide rail of fig. 5.
Fig. 7 is a schematic view of the glide assembly and guide rail assembly of fig. 5.
Reference numerals:
a coal mining equipment running gear 100;
a walking platform 1;
a lifting assembly 2;
a slip assembly 3; a frame body 31; a first mounting hole 311; a second mounting hole 312; a pin 32; the oil injection passage 321; a lightening hole 322; a slider 33; a first face 331; a second wall 332; a third wall 333; a sheath body 34; the first sub-sleeve 341; a second sub-sleeve 342; the oil reservoir 3421; a first retainer ring 35; a second retainer ring 36; a first baffle 37; a second shutter 38; an oil supply assembly 39; a lubrication pump 391; a lubricating oil tank 392; a solenoid valve 393; an overflow valve 394; a hydraulic pump 395;
a guide rail 4;
and a telescopic device 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1 to 4, the sliding assembly 3 according to the embodiment of the present invention includes a frame body 31, a pin shaft 32, a slider 33, and an oil supply unit 39.
The inside of the frame body 31 is provided with a cavity, as shown in fig. 1 and 2, the frame body 31 is formed by splicing plates, the whole frame body 31 is in the shape of a rectangular box, and the bottom of the frame body 31 is provided with an opening.
The pin shaft 32 is disposed on the frame body 31, and at least a portion of the pin shaft 32 is located in the cavity, as shown in fig. 2, the pin shaft 32 is horizontally disposed in the frame body 31, one end of the pin shaft 32 is connected to the left side wall of the frame body 31, and the other end of the pin shaft 32 is connected to the right side wall of the frame body 31. It should be noted that, both ends of the pin shaft 32 may be directly connected and fixed with the frame body 31, the connection and fixation may be welding, bolting, etc., and both ends of the pin shaft 32 may also be rotatably assembled with the frame body 31, that is, the pin shaft 32 may rotate relative to the frame body 31.
The sliding block 33 is arranged in the cavity, a first through hole is formed in the sliding block 33, the pin shaft 32 penetrates through the first through hole, so that the sliding block 33 is rotatably assembled on the periphery of the pin shaft 32, a first surface 331 is arranged on the periphery of the sliding block 33, and the first surface 331 is used for being attached and contacted with the guide rail 4 of the coal mining equipment walking device 100. As shown in fig. 3, the sliding block 33 is disposed in the cavity of the frame 31, and the sliding block 33 is sleeved on the outer periphery of the pin shaft 32, that is, the pin shaft 32 is disposed through the first through hole of the sliding block 33, and the sliding block 33 can rotate around the pin shaft 32. The outer peripheral surface of the sliding block 33 is provided with a first surface 331, the first surface 331 is a plane, the guide rail 4 of the coal mining equipment walking device 100 is provided with a second surface (not shown), the second surface is a plane, the second surface extends along the extending direction of the guide rail 4, and the first surface 331 is used for being attached and contacted with the second surface on the guide rail 4, so that the surface-to-surface relative sliding between the sliding block 33 and the guide rail 4 is realized.
The oil supply assembly 39 is used to supply lubricating oil between the pin 32 and the slider 33. The oil supply assembly 39 comprises an oil supply pipeline which is communicated with a gap between the pin shaft 32 and the sliding block 33, so that the requirement of supplying lubricating oil between the pin shaft 32 and the sliding block 33 is met, the friction effect between the pin shaft 32 and the sliding block 33 is reduced, and the failure rate of the sliding assembly 3 is reduced.
According to the sliding assembly 3 provided by the embodiment of the invention, the first surface 331 is arranged on the sliding block 33 of the sliding assembly 3, the sliding assembly 3 is in plane contact with the guide rail 4 through the first surface 331, and because the sliding block 33 can rotate relative to the pin shaft 32, when the guide rail 4 is bent due to uneven load or ground, the sliding block 33 can swing around the pin shaft 32 adaptively along with the deformation of the guide rail 4, so that the first surface 331 of the sliding block 33 is always in contact with the guide rail 4 in a fitting manner, thereby avoiding the situation that part of rollers cannot be in contact with the guide rail 4 easily due to the fact that the sliding assembly 3 adopts a plurality of linearly arranged roller designs in the related art, further avoiding the situation that the walking platform 1 is easy to shake due to the fact that part of rollers cannot be in contact with the guide rail 4 in a fitting manner, enhancing the structural strength, and ensuring the stable and safe operation.
In some embodiments, the slider 33 is provided with a guide groove at the periphery thereof, the guide groove being for insertion of the guide rail 4, the guide groove having inner wall surfaces including a first wall surface, a second wall surface 332, and a third wall surface 333, one side of the first wall surface being connected to the second wall surface 332 with the first wall surface and the second wall surface 332 being angled, the other side of the first wall surface being connected to the third wall surface 333 with the first wall surface and the third wall surface 333 being angled, the first wall surface forming the first face 331.
As shown in fig. 3, the guide groove is provided on the side of the slider 33 for facing the opening of the bottom of the frame body 31, the guide groove is a U-shaped through groove, the notch of the guide groove faces the opening of the bottom of the frame body 31, the inner wall surface of the guide groove includes a first wall surface, a second wall surface 332 and a third wall surface 333, the second wall surface 332 and the third wall surface 333 are arranged opposite and parallel, one side of the first wall surface is connected with the second wall surface 332, the first wall surface is perpendicular to the second wall surface 332, the other side of the first wall surface is connected with the third wall surface 333, and the first wall surface is perpendicular to the third wall surface 333. When the guide rail 4 is transversely inserted into the guide groove, the second surface of the guide rail 4 is in contact with the first wall surface. The guide groove is arranged to play a role in restraining and positioning, and the second wall surface 332 and the third wall surface 333 can be blocked with the guide rail 4, so that the lateral separation of the guide rail 4 and the sliding block 33 is avoided.
In some embodiments, the sliding assembly 3 further includes a sleeve 34, the sleeve 34 is disposed in the cavity, and the sleeve 34 is disposed on the outer periphery of the pin 32 and at least partially located in the first through hole. As shown in fig. 2, the sleeve 34 enhances the structural strength of the pin 32, and on the other hand, the sleeve 34 and the slider 33, and the sleeve 34 and the pin 32 can rotate, so that the slider 33 can rotate more smoothly around the pin 32.
In some embodiments, the pin 32 is provided with an oil filling channel 321, the oil filling channel 321 has an inlet and an outlet, the inlet of the oil filling channel 321 is disposed on the end surface of the pin 32, the outlet of the oil filling channel 321 is disposed on the outer periphery of the pin 32, and the oil filling channel 321 is used for introducing lubricating oil between the sleeve body 34 and the pin 32. The oil filling channel 321 is provided to facilitate the filling of the lubricating oil between the sleeve body 34 and the pin shaft 32,
in some embodiments, the sleeve body 34 has an inner wall surface, an oil storage groove 3421 is formed on the inner wall surface of the sleeve body 34, the oil storage groove 3421 corresponds to an outlet of the oil filling passage 321, and the oil storage groove 3421 is used for storing lubricating oil. As shown in fig. 3, the oil storage groove 3421 has an effect of storing lubricating oil, so that the effect time of the lubricating oil is prolonged, and a good lubricating effect between the sleeve body 34 and the pin shaft 32 is ensured all the time.
In some embodiments, the sheath body 34 includes a first sub-sheath 341 and a second sub-sheath 342, and the first sub-sheath 341 and the second sub-sheath 342 are sequentially disposed along the axial direction of the pin 32. The first sub-sleeve 341 and the second sub-sleeve 342 are both provided with oil storage grooves 3421, the oil injection passage 321 comprises a first passage and a second passage, an inlet of the first passage is arranged on one side end face of the pin shaft 32, an outlet of the first passage is arranged on the outer peripheral face of the pin shaft 32, an outlet of the first passage corresponds to the oil storage groove 3421 of the first sub-sleeve 341, an inlet of the second passage is arranged on the other side end face of the pin shaft 32, an outlet of the second passage is arranged on the outer peripheral face of the pin shaft 32, and an outlet of the second passage corresponds to the oil storage groove 3421 of the second sub-sleeve 342.
As shown in fig. 3, the sleeve body 34 is separately arranged, the sleeve body 34 includes a first sub-sleeve 341 and a second sub-sleeve 342, the first sub-sleeve 341 and the second sub-sleeve 342 are both sleeved on the outer periphery of the pin 32, wherein the first sub-sleeve 341 is located on the left side, the second sub-sleeve 342 is located on the right side, because the length of the first through hole in the slider 33 is longer, after the slider 33 is sleeved on the outer periphery of the pin 32, the first sub-sleeve 341 can be pressed in between the slider 33 and the pin 32 from the left side, and the second sub-sleeve 342 can be pressed in between the slider 33 and the pin 32 from the right side, thereby facilitating the press-in assembly of the whole sleeve.
The arrangement of the first and second passages makes the processes to the oil storage groove 3421 of the first sub-sleeve 341 and the oil storage groove 3421 of the second sub-sleeve 342 relatively independent, which is advantageous to ensure the injection of the lubricating oil. In addition, the overall length of the first channel and the second channel can be shorter, so that the situation that a longer through hole needs to be drilled in the pin shaft 32 when the oil injection channel 321 is integrally arranged is avoided, and the oil injection channel 321 is convenient to machine.
Preferably, the first sub-sleeve 341 and the second sub-sleeve 342 are made of copper. The hardness of copper is higher, has satisfied the wearing and tearing requirement.
In some embodiments, the sliding assembly 3 further includes a first blocking plate 37 and a second blocking plate 38, the frame body 31 is provided with a first mounting hole 311 and a second mounting hole 312, the first mounting hole 311 and the second mounting hole 312 are both used for the pin 32 to pass through, the first blocking plate 37 is disposed at the first mounting hole 311, the first blocking plate 37 is used for blocking one end of the pin 32, the second blocking plate 38 is disposed at the second mounting hole 312, and the second blocking plate 38 is used for blocking the other end of the pin 32. As shown in fig. 3, the first mounting hole 311 and the second mounting hole 312 of the frame body 31 are arranged oppositely, when the pin shaft 32 is mounted, the pin shaft 32 is directly inserted into the first mounting hole 311 and the second mounting hole 312, then the first baffle 37 and the second baffle 38 are fixed on the frame body 31, the first baffle 37 is stopped with one end surface of the pin shaft 32, and the second baffle 38 is stopped with the other end surface of the pin shaft 32, so that the pin shaft 32 is mounted and fixed. Since the pin 32 is held between the first and second shutters 37 and 38, the pin 32 is rotatable within the housing 31.
Preferably, the first baffle 37 and the second baffle 38 are both annular, and the inner holes of the first baffle 37 and the second baffle 38 can allow the end surface of the pin 32 to leak out, so that the lubricating oil can be conveniently injected into the oil injection channel 321 of the pin 32.
Preferably, the first baffle 37 and the second baffle 38 are fixed on the frame body 31 by bolts or screws, so that the installation and the disassembly of the pin shaft 32 are facilitated.
In some embodiments, the sliding assembly 3 further includes a first retaining ring 35 and a second retaining ring 36, the first retaining ring 35 and the second retaining ring 36 are both disposed in the cavity, the first retaining ring 35 and the second retaining ring 36 are both disposed on the outer periphery of the pin shaft 32, the first retaining ring 35 is located on one side of the sliding block 33, and the second retaining ring 36 is located on the other side of the sliding block 33. As shown in fig. 3, the first retaining ring 35 and the second retaining ring 36 are both sleeved on the outer peripheral side of the pin shaft 32, the first retaining ring 35 is located between the left end surface of the pin shaft 32 and the left side wall of the frame body 31, and the second retaining ring 36 is located between the right end surface of the pin shaft 32 and the right side wall of the frame body 31, so that the situation that the pin shaft 32 is directly abraded with the frame body 31 is avoided, and the loss of the pin shaft 32 is reduced.
Preferably, the first retaining ring 35 and the second retaining ring 36 are made of copper.
In some embodiments, the pin 32 is provided with lightening holes 322, as shown in fig. 3, the lightening holes 322 are through holes, and the lightening holes 322 extend along the axial direction of the pin 32.
The following describes a slip assembly 3 according to an embodiment of the present invention with reference to the drawings.
As shown in fig. 1 to 4, the sliding assembly 3 according to the embodiment of the present invention includes a frame body 31, a pin shaft 32, a sliding block 33, and an oil supply unit 39.
The inside of the frame body 31 is provided with a cavity, as shown in fig. 1 and 2, the frame body 31 is formed by splicing plates, the whole frame body 31 is in the shape of a rectangular box, and the bottom of the frame body 31 is provided with an opening. The pin shaft 32 is horizontally arranged in the frame body 31, one end of the pin shaft 32 is connected with the left side wall of the frame body 31, and the other end of the pin shaft 32 is connected with the right side wall of the frame body 31. The sliding block 33 is arranged in the cavity, a first through hole is formed in the sliding block 33 and used for the pin shaft 32 to penetrate through, the sliding block 33 is sleeved on the outer peripheral side of the pin shaft 32, and the sliding block 33 can rotate around the pin shaft 32.
As shown in fig. 4, oil feed unit 39 includes an oil feed line, a hydraulic pump 395, a lubrication pump 391, a lubricating oil tank 392, a solenoid valve 393, a spill valve 394, and a second line. The hydraulic pump 395 is driven by an electric motor and the lubrication pump 391 is driven by the hydraulic pump 395. The solenoid valve 393 is provided between the hydraulic pump 395 and the lubricating pump 391, and the relief valve 394 is connected in parallel to the hydraulic pump 395. The hydraulic pump 395 can drive the lubricating pump 391 to reciprocate, and the lubricating pump 391 can suck lubricating oil from the lubricating oil tank 392 and press the lubricating oil into the oil filling passage 321 of the pin 32 via the oil supply line by driving of the hydraulic pump 395.
As shown in fig. 3, the guide groove is provided on the side of the slider 33 that is open toward the bottom of the frame body 31, the guide groove is a U-shaped through groove, the notch of the guide groove faces downward, the inner wall surface of the guide groove includes a first wall surface, a second wall surface 332, and a third wall surface 333, the second wall surface 332 and the third wall surface 333 are arranged opposite and parallel, one side of the first wall surface is connected to the second wall surface 332, the first wall surface is perpendicular to the second wall surface 332, the other side of the first wall surface is connected to the third wall surface 333, and the first wall surface is perpendicular to the third wall surface 333. The first wall surface in this embodiment forms the first surface 331 of the slider 33.
The sliding assembly 3 further includes a sleeve body 34, the sleeve body 34 includes a first sub-sleeve 341 and a second sub-sleeve 342, and the first sub-sleeve 341 and the second sub-sleeve 342 are sequentially arranged along the axial direction of the pin 32. The first sub-sleeve 341 and the second sub-sleeve 342 are made of copper. In this embodiment, the first sub-sleeve 341 and the second sub-sleeve 342 are both sleeved on the outer periphery of the pin 32, wherein the first sub-sleeve 341 is located on the left side, and the second sub-sleeve 342 is located on the right side. Oil reservoirs 3421 are provided on both the inner wall surface of the first sub-sleeve 341 and the inner wall surface of the second sub-sleeve 342, the oil reservoirs 3421 are annular grooves, and the oil reservoirs 3421 surround the outer circumferential side of the pin 32.
An oil filling channel 321 is formed in the pin shaft 32, and an oil supply pipeline of the oil supply assembly 39 is directly communicated with an inlet of the oil filling channel 321. As shown in fig. 3, the oil filling passage 321 includes a first passage and a second passage, the first passage has an inlet and an outlet, the inlet of the first passage is provided on the left end surface of the pin 32, the outlet of the first passage is provided on the outer circumferential surface of the pin 32, and the outlet of the first passage corresponds to the oil storage groove 3421 of the first sub-sleeve 341, that is, the lubricating oil flowing out from the first passage can directly flow into the oil storage groove 3421 of the first sub-sleeve 341. The second channel has an inlet and an outlet, the inlet of the second channel is arranged on the right end surface of the pin shaft 32, the outlet of the second channel is arranged on the outer peripheral surface of the pin shaft 32, and the outlet of the second channel corresponds to the oil storage groove 3421 on the second sub-sleeve 342, namely, the lubricating oil flowing out of the second channel can directly flow into the oil storage groove 3421 of the second sub-sleeve 342. In this embodiment the inlet of the first passage and the inlet of the second passage both communicate with an oil supply assembly 39.
It can be understood that, in other embodiments, the outlets of the first channels and the outlets of the second channels may be provided in plural numbers, the outlets of the plural first channels are arranged along the circumferential direction of the pin shaft 32 at intervals, the outlets of the plural second channels are arranged along the circumferential direction of the pin shaft 32 at intervals, and the arrangement of the outlets of the plural first channels and the outlets of the plural second channels enables the lubricating oil to be uniformly distributed in the corresponding oil storage grooves 3421, so as to improve the filling efficiency and quality of the lubricating oil.
The sliding assembly 3 further includes a first baffle 37 and a second baffle 38, the frame body 31 is provided with a first mounting hole 311 and a second mounting hole 312, the pin shaft 32 is directly inserted into the first mounting hole 311 and the second mounting hole 312 when the pin shaft 32 is mounted, then the first baffle 37 and the second baffle 38 are fixed on the frame body 31, the first baffle 37 is stopped with one side end face of the pin shaft 32, and the second baffle 38 is stopped with the other side end face of the pin shaft 32, so that the pin shaft 32 is clamped and fixed. In this embodiment, the first baffle 37 and the second baffle 38 are detachably mounted on the frame body 31 through bolts. In order to leak the inlet of the oil injection passage 321 on the end surface of the pin 32, the first baffle 37 and the second baffle 38 are both annular in this embodiment, and the inner holes of the first baffle 37 and the second baffle 38 are used for leaking the end surface of the pin 32.
The sliding assembly 3 further includes a first retaining ring 35 and a second retaining ring 36, the first retaining ring 35 and the second retaining ring 36 are both disposed in the cavity, the first retaining ring 35 and the second retaining ring 36 are both sleeved on the periphery of the pin shaft 32, as shown in fig. 3, the first retaining ring 35 is located between the left end face of the pin shaft 32 and the left side wall of the frame body 31, and the second retaining ring 36 is located between the right end face of the pin shaft 32 and the right side wall of the frame body 31. In this embodiment, the first retaining ring 35 and the second retaining ring 36 are made of copper.
The coal mining equipment walking device 100 according to the embodiment of the invention is described below, and as shown in fig. 5 to 7, the coal mining equipment walking device 100 according to the embodiment of the invention comprises a walking platform 1, a lifting component 2, a sliding assembly 3, a guide rail 4 and a telescopic device 5, wherein the walking platform 1 is arranged on the lifting component 2, the lifting component 2 is used for driving the walking platform 1 to move up and down, the sliding assembly 3 is arranged between the lifting component 2 and the guide rail 4, and the telescopic device 5 is used for driving the lifting component 2 to move along the guide rail 4.
As shown in fig. 5, there are two guide rails 4, the two guide rails 4 are arranged in parallel at intervals, as shown in fig. 6, two lifting components 2 are arranged on the two guide rails 4, the lifting components 2 are similar to telescopic cylinders, sliding assemblies 3 are arranged between the two lifting components 2 and the guide rails 4, the sliding assemblies 3 can be the sliding assemblies 3 described in the above embodiments, the sliding assemblies 3 are assembled on the guide rails 4 in a guiding sliding manner, and the lifting components 2 are fixed at the top of the sliding assemblies 3. Walking platform 1 and four elevating assembly 2 fixed connection, four elevating assembly 2 can drive walking platform 1 and reciprocate.
The expansion bend 5 is the telescoping cylinder, all is equipped with an expansion bend 5 on two guide rails 4, and the one end of expansion bend 5 is connected with the one end of guide rail 4, and the other end of expansion bend 5 is connected with the assembly 3 that slides that is close to expansion bend 5 one side, can drive two lifting unit 2 and remove along guide rail 4 through the expansion of expansion bend 5.
When the coal mining equipment walking device 100 walks, the walking platform 1 is lifted through the four lifting assemblies 2 until the two guide rails 4 are contacted with the ground and the bottom of the walking platform 1 is separated from the ground. And then the corresponding lifting component 2 is pulled to move forwards through the contraction of the two expansion pieces 5, and the walking platform 1 can also move forwards synchronously. After the expansion piece 5 is contracted in place, the walking platform 1 is lowered through the four lifting assemblies 2 until the bottom of the walking platform 1 is contacted with the ground and the two guide rails 4 are separated from the ground, and at the moment, the position of the walking device 100 of the coal mining equipment can be fixed. When a step needs to be taken again, the two guide rails 4 are firstly extended forwards through the telescopic device 5, and then the steps are repeated.
According to the coal mining equipment walking device 100 provided by the embodiment of the invention, the lifting component 2 is guided by the sliding assembly 3 to be assembled on the guide rail 4 in a sliding manner, the sliding assembly 3 has structural strength and safe and stable operation, and the walking platform 1 is prevented from shaking in the walking process.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A glide assembly, comprising:
the rack body is internally provided with a cavity;
the pin shaft is arranged on the frame body, and at least part of the pin shaft is positioned in the cavity;
the sliding block is arranged in the cavity, a first through hole is formed in the sliding block, the pin shaft penetrates through the first through hole, so that the sliding block is rotatably assembled on the periphery of the pin shaft, and a first surface is arranged on the periphery of the sliding block and is used for being attached and contacted with a guide rail of a coal mining equipment walking device;
and the oil supply assembly is used for supplying lubricating oil between the pin shaft and the sliding block.
2. The glide assembly of claim 1 wherein the outer periphery of the slider has a guide channel into which the guide rail is inserted, the guide channel having inner wall surfaces, the inner wall surfaces including a first wall surface, a second wall surface and a third wall surface, one side of the first wall surface being connected to the second wall surface and the first wall surface and the second wall surface being angled, the other side of the first wall surface being connected to the third wall surface and the first wall surface and the third wall surface being angled, the first wall surface forming the first surface.
3. The glide assembly of claim 1 further comprising a sleeve disposed in said cavity, said sleeve being disposed around said pin and at least partially disposed in said first through hole.
4. The sliding assembly of claim 3 wherein said pin includes an oil injection channel, said oil injection channel having an inlet and an outlet, said inlet of said oil injection channel being disposed on an end surface of said pin, said outlet of said oil injection channel being disposed on an outer periphery of said pin, said oil injection channel being adapted to introduce lubricant between said cover and said pin.
5. The sliding assembly of claim 4, wherein the sleeve body has an inner wall surface, and an oil storage groove is formed on the inner wall surface of the sleeve body, and corresponds to the outlet of the oil filling channel, and is used for storing lubricating oil.
6. The sliding assembly of claim 5, wherein the sleeve body comprises a first sub-sleeve and a second sub-sleeve, and the first sub-sleeve and the second sub-sleeve are sequentially arranged along the axial direction of the pin shaft.
7. The sliding assembly according to claim 6, wherein oil storage grooves are formed in the first sub-sleeve and the second sub-sleeve, the oil injection channel comprises a first channel and a second channel, an inlet of the first channel is formed in one side end face of the pin shaft, an outlet of the first channel is formed in the outer peripheral surface of the pin shaft, an outlet of the first channel corresponds to the oil storage groove of the first sub-sleeve, an inlet of the second channel is formed in the other side end face of the pin shaft, an outlet of the second channel is formed in the outer peripheral surface of the pin shaft, and an outlet of the second channel corresponds to the oil storage groove of the second sub-sleeve.
8. The sliding assembly according to claim 4, further comprising a first baffle and a second baffle, wherein the frame body is provided with a first mounting hole and a second mounting hole, the first mounting hole and the second mounting hole are used for the pin shaft to pass through, the first baffle is arranged at the first mounting hole, the first baffle is used for blocking one end of the pin shaft, the second baffle is arranged at the second mounting hole, and the second baffle is used for blocking the other end of the pin shaft.
9. The glide assembly of any one of claims 1 to 8 further comprising a first retaining ring and a second retaining ring, said first retaining ring and said second retaining ring being disposed within said cavity, said first retaining ring and said second retaining ring being disposed about said pin, said first retaining ring being disposed on one side of said slider, said second retaining ring being disposed on the other side of said slider.
10. A coal mining equipment walking device comprises a walking platform, a lifting component, a sliding assembly, a guide rail and a telescopic device, wherein the walking platform is arranged on the lifting component, the lifting component is used for driving the walking platform to move up and down, the sliding assembly is arranged between the lifting component and the guide rail, the telescopic device is used for driving the lifting component to move along the guide rail, and the sliding assembly is the sliding assembly according to any one of the claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110031399.XA CN112727458B (en) | 2021-01-11 | 2021-01-11 | Sliding assembly and coal mining equipment running gear |
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| CN202110031399.XA CN112727458B (en) | 2021-01-11 | 2021-01-11 | Sliding assembly and coal mining equipment running gear |
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| CN112727458A true CN112727458A (en) | 2021-04-30 |
| CN112727458B CN112727458B (en) | 2023-05-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN119038083A (en) * | 2024-10-29 | 2024-11-29 | 山东米科思机械设备有限公司 | Lifting type travelling device for underground tunneling of coal mine |
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| CN112096404A (en) * | 2020-09-01 | 2020-12-18 | 中国煤炭科工集团太原研究院有限公司 | Mining height accurate positioning device of temporary support system of tunneling and anchoring all-in-one machine, tunneling and anchoring all-in-one machine and dismounting and mounting method |
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| WO1995030067A1 (en) * | 1994-04-29 | 1995-11-09 | The Broken Hill Proprietary Company Limited | A highwall mining system with mining and removal of coal (or ore) |
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| CN119038083A (en) * | 2024-10-29 | 2024-11-29 | 山东米科思机械设备有限公司 | Lifting type travelling device for underground tunneling of coal mine |
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| CN112727458B (en) | 2023-05-26 |
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