CN109682673B - Step appearance subassembly that material surface property test used - Google Patents
Step appearance subassembly that material surface property test used Download PDFInfo
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- CN109682673B CN109682673B CN201910087695.4A CN201910087695A CN109682673B CN 109682673 B CN109682673 B CN 109682673B CN 201910087695 A CN201910087695 A CN 201910087695A CN 109682673 B CN109682673 B CN 109682673B
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- 239000000463 material Substances 0.000 title claims abstract description 31
- 238000012360 testing method Methods 0.000 title claims abstract description 13
- 238000006073 displacement reaction Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000001514 detection method Methods 0.000 abstract description 22
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 9
- 238000000576 coating method Methods 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000011056 performance test Methods 0.000 description 3
- 230000003746 surface roughness Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007733 ion plating Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/30—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/02—Measuring coefficient of friction between materials
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/04—Measuring adhesive force between materials, e.g. of sealing tape, of coating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
- G01N3/42—Investigating hardness or rebound hardness by performing impressions under a steady load by indentors, e.g. sphere, pyramid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention relates to material surface property test equipment, in particular to a step instrument component for material surface property test, which is connected to a material surface property tester base through a frame and can complete hardness detection, binding force detection, friction performance and wear resistance detection, roughness detection, elastic modulus detection, thickness detection and the like by matching with a material surface property tester, so that the problem of replacing experimental equipment is solved, stability and accuracy of experimental data are ensured by matching of the frame, a piston device and a machine head and a special structural relationship thereof, rotation of the machine head is realized by matching of Ding Zijian and a sector groove, conversion work of the experimental equipment is facilitated when experimental items are changed, time and labor are saved, and the position of a displacement sensor can be effectively adjusted by locking a hand wheel, so that the experimental data is more accurate.
Description
Technical Field
The invention relates to material surface property test equipment, in particular to a step instrument assembly for material surface property test.
Background
In recent decades, the research on the surface of the material is widely applied in the fields of national defense, science and technology, industry and agriculture, particularly the application of ion plating coatings in the aspects of tools, molds, instrument parts, decoration and the like, and great economic benefits and social benefits are obtained; therefore, the detection of various mechanical properties of the coating is the key for the development of the current coating product, and various technical indexes of the coating product also become the focus of first attention of both suppliers and consumers; conventional detection of the mechanical properties of the hard coating at present comprises hardness detection, binding force detection, friction performance and wear resistance detection, roughness detection, elastic modulus detection, thickness detection and the like.
The detection instruments disclosed in the prior art at present have the following disadvantages: firstly, different instruments and equipment are needed for different experiments, time and labor are wasted, meanwhile, the experimental equipment is replaced back and forth, the tested piece can deviate in clamping position in the clamping process, and the reference plane and the reference point selected in the experiments are changed, so that the accuracy of experimental data is affected; secondly, the multifunctional experimental equipment is complicated in each experimental function conversion process, time is wasted, and meanwhile, the data acquisition in the experimental process is inaccurate due to unreasonable mechanical structural design, so that the experimental result is influenced.
Both the problems can cause deviation of experimental data, and the mechanical properties of the detected part cannot be accurately reflected.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention aims to provide the step instrument assembly for the material surface performance test, so that the problem of replacing experimental equipment is avoided, the mechanical structure is optimized, the time and the labor are saved, the detection result is more accurate, and the problems in the prior art are solved.
The technical scheme adopted by the invention is as follows: the step instrument assembly for the material surface performance test comprises a frame, a piston device and a machine head, wherein the piston device is longitudinally arranged, the piston device is connected with the frame and the machine head, and the frame is connected to a machine seat of the material surface performance test instrument.
Further the frame includes connecting portion and piston installation department, and connecting portion set up in piston installation department below, has seted up mounting hole and guiding hole in the piston installation department, and the guiding hole sets up in the mounting hole lower extreme, is equipped with step I between mounting hole and the guiding hole, and piston device sets up in mounting hole and guiding hole, and connecting portion connects on material surface property test appearance frame.
Further, a step II is arranged in the mounting hole, a piston cylinder is arranged above the step II, a transmission chamber is arranged below the step II, and threads are arranged at the upper end of the transmission chamber.
Further the piston device includes step motor, worm, turbine, lead screw, bearing, adjusting nut and piston, step motor connects outside the frame, worm and step motor output shaft, worm and turbine intermeshing, the turbine both ends are equipped with the bearing, adjusting nut connects on the screw thread, adjusting nut fixes turbine and bearing in the drive chamber, threaded through hole has been seted up at the turbine center, lead screw and threaded through hole swing joint, the lead screw lower extreme sets up in the guiding hole, the piston is connected to the lead screw upper end, the piston sets up in the piston jar, the frame is stretched out on piston upper portion, the piston upper end is connected with the aircraft nose.
The machine head comprises a machine head body, a cover, a sensor sleeve, a displacement sensor and a limit sleeve, wherein a piston mounting hole is formed in the lower end of the machine head body, a piston device is connected in the piston mounting hole, a sensor mounting hole is formed in the right end of the machine head body, threads are arranged at two ends of the sensor mounting hole, the limit sleeve is connected to threads at the lower end of the sensor mounting hole, the sensor sleeve is arranged in the sensor mounting hole, the displacement sensor is arranged in the sensor sleeve, a contact head of the displacement sensor penetrates through the sensor sleeve, the contact head extends out of the limit sleeve, and the cover is connected to threads at the upper end of the sensor mounting hole.
Further the piston device also comprises a Ding Zijian, a hole is arranged in the piston cylinder, a T-shaped key is connected in the hole, a fan-shaped groove is arranged at the outer edge of the piston, the fan-shaped groove is arranged at the lower part of the piston, the T-shaped key is arranged between the fan-shaped groove and the piston cylinder,
further the piston device still includes the locking hand wheel, and the locking hand wheel is equipped with fixed connection pole, and the fixed orifices has been seted up to the piston upper end, and fixed connection pole passes the piston mounting hole, and fixed connection pole and piston mounting hole swing joint, fixed connection pole insert in the fixed orifices.
Further the aircraft nose still includes the dead lever, has seted up bar step hole on the pore wall of sensor mounting hole, has seted up the connecting hole on the sensor cover, and the dead lever passes bar step hole, and the dead lever is connected in the connecting hole, is equipped with the boss on the dead lever, and the boss is laminated with the III surfaces of step on the bar step hole.
Further the piston device still includes the guide post, and the guide post is connected at the lead screw lower extreme, and the guide post sets up in the guiding hole, and guide post and outer fringe are laminated with the guiding hole inner wall.
The beneficial effects of the invention are as follows: the machine frame is connected to the machine base of the material surface performance tester, the hardness detection, the binding force detection, the friction performance and wear resistance detection, the roughness detection, the elastic modulus detection, the thickness detection and the like can be completed by matching with the material surface performance tester, so that the problem of replacing experimental equipment is solved, the stability and the accuracy of experimental data are ensured by matching of the machine frame, the piston device and the machine head and the special structural relationship of the machine head, the machine head is rotated by matching of Ding Zijian and the fan-shaped groove, the conversion work of the experimental equipment is convenient when the experimental project is changed, time and labor are saved, and the position of the displacement sensor can be effectively adjusted by the locking hand wheel, so that the experimental data are more accurate.
Drawings
FIG. 1 is a schematic view of a partially cut-away construction of the present invention;
FIG. 2 is a schematic view of the present invention in partial left-hand cross-section;
FIG. 3 is a schematic view of a frame in partial cross-section;
FIG. 4 is a schematic view of the worm gear of FIG. 2 in partial cross-section, section A-A;
FIG. 5 is a schematic illustration of the piston assembly with the motor and worm removed;
FIG. 6 is a schematic diagram of a half cross-section of a handpiece;
FIG. 7 is a schematic view of the piston B-B of FIG. 2 in partial cross-section;
FIG. 8 is a schematic view of a partially enlarged construction of the handpiece A of FIG. 1;
FIG. 9 is a graph of data from a surface roughness test of the present invention.
Wherein: 1. the engine comprises a frame, 101, a part 102, a piston mounting part, 103, a mounting part 104, a guide part, 105, a step I, 106, a piston cylinder, 107, a driving chamber, 108, a screw thread, 109, a step II, 110, 2, a piston device, 201, a step motor, 202, 203, a turbine, 204, a screw thread, 205, a bearing, 206, an adjusting nut, 207, 208, a threaded through hole, 209, ding Zijian, 210, a locking hand wheel, 211, a fan-shaped groove, 212, a fixed connecting rod, 213, a fixing hole, 214, a guide post, 3, a machine head, 301, a machine head body, 302, a cover, 303, a sensor sleeve, 304, a displacement sensor, 305, a stop collar, 306, a piston mounting hole, 307, a sensor, a contact head, 309, a fixing rod, 310, a bar-shaped step hole, 311, a connecting hole, 312, a boss and 313.
Detailed Description
The invention is described in detail below with reference to the attached drawings and detailed description: the invention relates to a step instrument assembly for a material surface property test, which comprises a frame 1, a piston device 2 and a machine head 3, wherein the piston device 2 is longitudinally arranged, the piston device 2 is connected with the frame 1 and the machine head 3, the frame 1 is connected to a material surface property tester base, and the whole structure is more stable through the arrangement of the frame 1, so that the up-and-down movement of the frame 1 is realized through the piston device 2.
The frame 1 further comprises a connecting part 101 and a piston mounting part 102, wherein the connecting part 101 is arranged below the piston mounting part 102, a mounting hole 103 and a guide hole 104 are formed in the piston mounting part 102, the guide hole 104 is arranged at the lower end of the mounting hole, a step I105 is arranged between the mounting hole 103 and the guide hole 104, the piston device 2 is arranged in the mounting hole 103 and the guide hole 104, the connecting part 101 is connected to a material surface property tester base, the connecting part 101 is connected to the material surface property tester base, the stability of the invention is further improved, the piston mounting part 102 is arranged at the same time, the working area of the piston device 2 is limited, and the step I105 is the mounting and fixing surface of the piston device 2.
Further, a step ii 109 is disposed in the mounting hole 103, a piston cylinder 106 is disposed above the step ii 109, a transmission chamber 107 is disposed below the step ii 109, threads 108 are disposed at the upper end of the transmission chamber 107, the mounting hole 103 is divided into the piston cylinder 106 and the transmission chamber 107, so that the transmission component and the piston 207 are isolated from each other, mutual interference between the two in the working engineering is avoided, and meanwhile, the step ii 109 is a limiting part of the piston 207.
The piston device 2 further comprises a stepping motor 201, a worm 202, a turbine 203, a lead screw 204, a bearing 205, an adjusting nut 206 and a piston 207, wherein the stepping motor 201 is connected outside the frame 1, the worm 202 is connected with an output shaft of the stepping motor 201, the worm 202 and the turbine 203 are meshed with each other, the bearings 205 are arranged at two ends of the turbine 203, the adjusting nut 206 is connected to the threads 108, the turbine 203 and the bearing 205 are fixed in the transmission chamber 107, a threaded through hole 208 is formed in the center of the turbine 203, the lead screw 204 is movably connected with the threaded through hole 208, the lower end of the lead screw 204 is arranged in the guide hole 104, the upper end of the lead screw 204 is connected with the piston 207, the piston 207 is arranged in the piston cylinder 106, the upper portion of the piston 207 extends out of the frame 1, the upper end of the piston 207 is connected with the machine head 3, the horizontal rotary motion is transmitted to the power through the worm 202 and the turbine 203 in the vertical direction, the power is transmitted to the lead screw 204 through the turbine 203, meanwhile, the lead screw 204 drives the machine head 3 to move up and down, the turbine 203 is further driven to compress the turbine 203 through the adjusting nut 206, the turbine 203 is prevented from jumping in the working process, error is generated in the working process, the experimental data is prevented, the error is automatically controlled by the computer, the machine head 201 is controlled to rotate up and down, the machine head 3 is controlled to rotate automatically, the machine head 3 is controlled accurately, the working position is controlled, and the machine is controlled accurately, and the machine is controlled is saved, and is controlled.
Further, the machine head 3 comprises a machine head body 301, a cover 302, a sensor sleeve 303, a displacement sensor 304 and a limiting sleeve 305, a piston mounting hole 306 is formed in the lower end of the machine head body 301, a piston device 2 is connected in the piston mounting hole 306, a sensor mounting hole 307 is formed in the right end of the machine head body 301, threads are formed in two ends of the sensor mounting hole 307, the limiting sleeve 305 is connected to threads at the lower end of the sensor mounting hole 307, the sensor sleeve 303 is arranged in the sensor mounting hole 307, the displacement sensor 304 is arranged in the sensor sleeve 303, a contact head 308 of the displacement sensor 304 penetrates through the sensor sleeve 303, the contact head 308 extends out of the limiting sleeve 305, the cover 302 is connected to threads at the upper end of the sensor mounting hole 307, and the type of the displacement sensor 304 is as follows: the high-precision displacement sensor with the GA0.2 type of the Beijing and Haiquan brand is provided with the piston mounting hole 306, so that the disassembly and the installation between the machine head 3 and the piston device 2 are facilitated, meanwhile, the stability between the piston device 2 and the machine head 3 can be increased, the limit sleeve 305 is sleeved outside the displacement sensor 304, the effect of protecting the displacement sensor 304 is achieved on one hand, the position of the displacement sensor 304 is conveniently adjusted on the other hand, and the damage to the displacement sensor 304 in the operation process is avoided, so that experimental data is influenced.
Further, the piston device 2 further includes Ding Zijian 209, the piston cylinder 106 is provided with a hole 110, ding Zijian 209 is connected in the hole 110, the outer edge of the piston 207 is provided with a fan-shaped groove 211, the fan-shaped groove 211 is arranged at the lower part of the piston 207, the T-shaped key 209 is arranged between the fan-shaped groove 211 and the piston cylinder 106, the fan-shaped groove 211 and the T-shaped key 209 are mutually matched, and the limiting function of the machine head 1 in the processes of left-right rotation and up-down movement is realized.
Further, the piston device 2 further comprises a locking hand wheel 210, the locking hand wheel 210 is provided with a fixed connecting rod 212, the upper end of the piston 207 is provided with a fixed hole 213, the fixed connecting rod 212 penetrates through a piston mounting hole 306, the fixed connecting rod 212 is movably connected with the piston mounting hole 306, the fixed connecting rod 212 is inserted into the fixed hole 213, the machine head 1 and the piston 207 are connected into a whole through the locking hand wheel 210, the machine head 1 and the piston 207 are always synchronous in the moving process, meanwhile, the gap of a connecting part is eliminated, the stability of a mechanical structure is ensured, the shaking of equipment is prevented, and experimental data is more accurate.
Further, the handpiece 3 further includes a fixing rod 309, a bar-shaped step hole 310 is formed in the hole wall of the sensor mounting hole 307, a connecting hole 311 is formed in the sensor sleeve 303, the fixing rod 309 passes through the bar-shaped step hole 310, the fixing rod 309 is connected in the connecting hole 311, a boss 312 is arranged on the fixing rod 309, the boss 312 is attached to the surface of a step III 313 on the bar-shaped step hole 310, and the displacement sensor 304 and the sensor sleeve 303 are fixed on the handpiece 1 through the fixing rod 309, so that the displacement sensor 304 and the handpiece 1 are connected into a whole, the accuracy and stability of measurement data are improved, and meanwhile, the up-down position adjustment of the displacement sensor 304 is realized through the up-down movement of the fixing rod 309 in the bar-shaped step hole 310.
The piston device 2 further comprises a guide post 214, the guide post 214 is connected to the lower end of the screw rod 204, the guide post 214 is arranged in the guide hole 104, the guide post 214 is attached to the outer edge of the guide post and the inner wall of the guide hole 104, the guide post 214 is matched with the guide hole 104, a guide effect is provided for lifting of the piston device 2, and stability of a mechanical structure is improved.
Because the surface of the material cannot be a completely flat plane, and the surface has tiny irregularities, the plane performance curve of the surface of the material can be accurately measured through the invention, and the curve of displacement change during the surface roughness performance experiment can be seen from fig. 9.
When the device is used, the device is mounted on a material surface property tester with a material surface property tester (hereinafter referred to as a force tester), the machine head 1 is arranged above the force tester, the contact head 308 is contacted with the force tester by adjusting the position of the machine head up and down, and a tested piece is contacted with the force tester on the material surface property tester and moves relatively, so that tiny distance fluctuation in the vertical direction is transmitted to the displacement sensor 304, further, the acquisition of experimental data is completed, and related experiments such as the thickness of a layer, the surface roughness, the abrasion loss of the material, the elastic modulus and the like can be completed through the method.
Claims (4)
1. A step appearance subassembly that material surface property test used, its characterized in that: the device comprises a frame (1), a piston device (2) and a machine head (3), wherein the piston device (2) is longitudinally arranged, the piston device (2) is connected with the frame (1) and the machine head (3), and the frame (1) is connected to a machine seat of a material surface performance tester;
the machine frame (1) comprises a connecting part (101) and a piston mounting part (102), wherein the connecting part (101) is arranged below the piston mounting part (102), a mounting hole (103) and a guide hole (104) are formed in the piston mounting part (102), the guide hole (104) is arranged at the lower end of the mounting hole, a step I (105) is arranged between the mounting hole (103) and the guide hole (104), the piston device (2) is arranged in the mounting hole (103) and the guide hole (104), and the connecting part (101) is connected to a machine seat of the material surface performance tester;
a step II (109) is arranged in the mounting hole (103), a piston cylinder (106) is arranged above the step II (109), a transmission chamber (107) is arranged below the step II (109), and a thread (108) is arranged at the upper end of the transmission chamber (107);
the piston device (2) comprises a stepping motor (201), a worm (202), a turbine (203), a screw rod (204), a bearing (205), an adjusting nut (206) and a piston (207), wherein the stepping motor (201) is connected outside the frame (1), the worm (202) is connected with an output shaft of the stepping motor (201), the worm (202) and the turbine (203) are meshed with each other, the bearings (205) are arranged at two ends of the turbine (203), the adjusting nut (206) is connected to threads (108), the turbine (203) and the bearings (205) are fixed in a transmission chamber (107), a threaded through hole (208) is formed in the center of the turbine (203), the screw rod (204) is movably connected with the threaded through hole (208), the lower end of the screw rod (204) is arranged in the guide hole (104), the upper end of the screw rod (204) is connected with the piston (207), the piston (207) is arranged in the piston cylinder (106), the upper part of the piston (207) extends out of the frame (1), and the upper end of the piston (207) is connected with the machine head (3);
the machine head (3) comprises a machine head body (301), a cover (302), a sensor sleeve (303), a displacement sensor (304) and a limiting sleeve (305), wherein a piston mounting hole (306) is formed in the lower end of the machine head body (301), a piston device (2) is connected in the piston mounting hole (306), the right end of the machine head body (301) is provided with a sensor mounting hole (307), threads are formed in two ends of the sensor mounting hole (307), the limiting sleeve (305) is connected to threads at the lower end of the sensor mounting hole (307), the sensor sleeve (303) is arranged in the sensor mounting hole (307), a displacement sensor (304) is arranged in the sensor sleeve (303), a contact head (308) of the displacement sensor (304) penetrates through the sensor sleeve (303), the contact head (308) extends out of the limiting sleeve (305), and the cover (302) is connected to threads at the upper end of the sensor mounting hole (307), and the displacement sensor (304) is of the type: the Beijing sea spring brand GA0.2 type high-precision displacement sensor;
the piston device (2) further comprises a Ding Zijian (209), a hole (110) is formed in the piston cylinder (106), ding Zijian (209) is connected in the hole (110), a fan-shaped groove (211) is formed in the outer edge of the piston (207), the fan-shaped groove (211) is formed in the lower portion of the piston (207), and Ding Zijian (209) is arranged between the fan-shaped groove (211) and the piston cylinder (106).
2. A step appearance assembly for testing the surface properties of a material as defined in claim 1, wherein: the piston device (2) further comprises a locking hand wheel (210), the locking hand wheel (210) is provided with a fixed connecting rod (212), the upper end of the piston (207) is provided with a fixed hole (213), the fixed connecting rod (212) penetrates through the piston mounting hole (306), the fixed connecting rod (212) is movably connected with the piston mounting hole (306), and the fixed connecting rod (212) is inserted into the fixed hole (213).
3. A step gauge assembly for testing the surface properties of a material as defined in claim 1, wherein: the machine head (3) further comprises a fixing rod (309), a strip-shaped step hole (310) is formed in the hole wall of the sensor mounting hole (307), a connecting hole (311) is formed in the sensor sleeve (303), the fixing rod (309) penetrates through the strip-shaped step hole (310), the fixing rod (309) is connected in the connecting hole (311), a boss (312) is arranged on the fixing rod (309), and the boss (312) is attached to the surface of a step III (313) on the strip-shaped step hole (310).
4. A step gauge assembly for testing the surface properties of a material as defined in claim 1, wherein: the piston device (2) further comprises a guide post (214), the guide post (214) is connected to the lower end of the screw rod (204), the guide post (214) is arranged in the guide hole (104), and the outer edge of the guide post (214) is attached to the inner wall of the guide hole (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910087695.4A CN109682673B (en) | 2019-01-29 | 2019-01-29 | Step appearance subassembly that material surface property test used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910087695.4A CN109682673B (en) | 2019-01-29 | 2019-01-29 | Step appearance subassembly that material surface property test used |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109682673A CN109682673A (en) | 2019-04-26 |
| CN109682673B true CN109682673B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910087695.4A Active CN109682673B (en) | 2019-01-29 | 2019-01-29 | Step appearance subassembly that material surface property test used |
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| CN (1) | CN109682673B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111457879A (en) * | 2020-05-11 | 2020-07-28 | 马鞍山恒瑞测量设备有限公司 | Coating roughness measuring head |
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