CN216747122U - Pin clamp of pin disc testing machine - Google Patents
Pin clamp of pin disc testing machine Download PDFInfo
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- CN216747122U CN216747122U CN202123359696.1U CN202123359696U CN216747122U CN 216747122 U CN216747122 U CN 216747122U CN 202123359696 U CN202123359696 U CN 202123359696U CN 216747122 U CN216747122 U CN 216747122U
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- 238000012360 testing method Methods 0.000 title claims abstract description 57
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a pin clamp of a pin disc testing machine, which comprises a clamp main body, a fixing body, a sliding groove, a pressure disc and a clamp, wherein the fixing body is arranged on the clamp main body; the fixture main body comprises a testing machine connecting section and a fixture connecting section, the upper part of the testing machine connecting section is connected with the testing machine main body, and a sliding groove is formed in the fixture connecting section; the fixing body penetrates through the sliding groove and is connected with the sliding groove, the lower part of the fixing body is connected with a pressure plate, and the pressure plate is connected with the clamp; the radial length of the sliding groove is greater than that of the fixed body. Can be so that the fixed body radial movement in the sliding tray, adjustment friction radius, anchor clamps no longer can only fixed dimension's friction test, can adapt to more experimental demands, and the fixed body passes through the restriction of sliding tray upper and lower extreme, and the centre gripping is more stable, has guaranteed the level of friction surface, has improved experimental efficiency, has solved the fixed not adjustable problem of friction radius among the prior art.
Description
Technical Field
The utility model belongs to the technical field of friction and wear test equipment, and relates to a pin clamp of a pin disc testing machine.
Background
In the study of tribological properties of ceramics, the pin-disc method is commonly used for testing. The current pin-disk testing machine commonly used in laboratories is of the MMW-1 type, and the testing machine adopts the form of an upper pin-lower disk to carry out friction tests. In the test process, the pin sample is eccentrically arranged on the upper static shaft, the disc sample is arranged on the lower rotating shaft and is driven by the motor to do uniform-speed circular motion. At present, the friction testing machine has the problems that the friction radius is fixed, the friction radius cannot be adjusted according to requirements, and the level of the friction surface of a pin sample is not easy to guarantee during clamping, so that the friction testing effect is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, the friction radius is fixed, the friction radius cannot be adjusted according to requirements, and the friction surface of a pin test sample is not easy to ensure the level during clamping, so that the friction test effect is influenced, and provides a pin clamp of a pin disc testing machine. Different friction radiuses can be realized by adjusting the clamping position according to the requirement; on the other hand, the success rate of the test can be ensured. The utility model has the advantages of few parts, simple processing, low cost and strong applicability.
In order to achieve the purpose, the utility model adopts the following technical scheme to realize the purpose:
a pin clamp of a pin disc testing machine comprises a clamp main body, a fixing body, a sliding groove, a pressure disc and a clamp;
the fixture main body comprises a testing machine connecting section and a fixture connecting section, the upper part of the testing machine connecting section is connected with the testing machine main body, and a sliding groove is formed in the fixture connecting section;
the fixed body penetrates through the sliding groove and is connected with the sliding groove, the lower part of the fixed body is connected with a pressure plate, and the pressure plate is connected with the clamp;
the radial length of the sliding groove is larger than that of the fixed body.
The utility model is further improved in that:
the fixing body comprises a fastening bolt and a nut;
the fastening bolt penetrates through the sliding groove, a gap exists between the fastening bolt and the sliding groove, and the nut is arranged on the lower portion of the fastening bolt and connected with the sliding groove through the nut.
The upper end face of the sliding groove is provided with a sliding rail, the upper part of the fixing body is embedded into the sliding rail and can move along the radial direction of the sliding rail, and the lower part of the fixing body is rigidly connected with the lower end face of the sliding groove.
The fixture comprises two groups of clamping cylinders, the two groups of clamping cylinders are symmetrically connected to form a complete cavity structure, and the pressure plate is rigidly connected with any group of clamping cylinders.
The pressure plate is welded with any group of clamping cylinders.
The two groups of clamping cylinders are connected through clamping bolts, corresponding connecting holes are formed in the two sides of the two groups of clamping cylinders, and the clamping bolts penetrate through the corresponding connecting holes of the two groups of clamping cylinders.
The fixing body is welded with the pressure plate.
The upper portion of the testing machine connecting section of the clamp main body is provided with threads and is connected with the testing machine through the threads.
The clamp is of a rectangular structure.
Compared with the prior art, the utility model has the following beneficial effects:
the utility model discloses a pin clamp of a pin disc testing machine, wherein a sliding groove is formed in a clamp body, and the radial length of the sliding groove is greater than that of a fixed body, so that the fixed body can move in the sliding groove in the radial direction, the friction radius is adjusted, the clamp can not only be used for friction test with fixed size any more, more test requirements can be met, the fixed body is limited by the upper end and the lower end of the sliding groove, the clamping is more stable, the level of a friction surface is ensured, and the test efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view showing the structure of the jig of the present invention.
Wherein: 1-a clamp body; 2-fastening bolts; 3-a sliding groove; 4-a gasket; 5-a nut; 6-pressing a plate; 7-a clamp; 8-a clamping cylinder; 9-clamping the bolt.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that, if the terms "upper", "lower", "horizontal", "inner", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the term "horizontal", if present, does not mean that the component is required to be absolutely horizontal, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The utility model is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the embodiment of the utility model discloses a pin clamp of a pin disc testing machine, which comprises a clamp main body 1; a fastening bolt 2; a slide groove 3; a gasket 4; a nut 5; a platen 6; a clamp 7; a clamping cylinder 8; the bolt 9 is clamped.
The utility model discloses an embodiment.A clamp main body 1 consists of a testing machine connecting section and a clamp connecting section, wherein the testing machine connecting section and the clamp connecting section are L-shaped and are vertically connected.
Wherein, the upper portion of testing machine linkage segment is provided with the screw thread, and the testing machine linkage segment passes through the screw thread to be connected with the testing machine main part.
The sliding groove 3 is arranged inside the clamp connecting section, the fixing body penetrates through the sliding groove 3, the radial length of the sliding groove 3 is larger than that of the fixing body, so that the fixing body can slide freely inside the sliding groove 3, the radius of test friction can be adjusted by changing the fixing position of the fixing body in the sliding groove 3, the lower portion of the fixing body is fixedly connected with the pressure plate 6, and the lower end of the pressure plate 6 is connected with the clamp 7.
Furthermore, in the embodiment of the present invention, the fixing body is composed of a fastening bolt 2, a gasket 4 and a nut 5, the fastening bolt 2 penetrates through the sliding groove 3, the lower portion of the fastening bolt is fixedly connected with the sliding groove 3 through the nut 5, and the gasket 4 is arranged between the fastening nut 5 and the lower end face of the sliding groove 3.
Furthermore, the utility model also discloses another embodiment, the upper end surface of the sliding groove 3 is provided with a sliding rail, the upper part of the fixing body is embedded in the sliding rail, the sliding rail can facilitate the fixing body to move quickly, and can limit the circumference of the fixing body at the same time, so that the fixing level of the clamp is ensured, the clamp is fixed more stably, and the friction efficiency is prevented from being influenced.
Further, referring to fig. 2, in the embodiment of the present invention, the fixture 7 is composed of two sets of clamping cylinders 8, the clamping cylinders 8 are symmetrically arranged, the two clamping cylinders 8 are symmetrically connected to form a complete cavity structure, symmetrical lugs are arranged on two sides of the clamping cylinders 8, and the clamping bolts 9 penetrate through the lugs to fixedly connect the two sets of clamping cylinders 8.
Further, in the embodiment of the present invention, the fastening bolt 2 is connected to the pressure plate 6 by welding.
Further, in the present embodiment, the platen 6 is connected to any one of the holding cylinders 8 by welding.
Further, in the embodiment of the present invention, the shape of the clamp formed by the two clamping cylinders 8 is a rectangular structure.
The working principle of the embodiment of the utility model is as follows:
when the test fixture is used, a sample is placed into the clamping cylinders 8, the two clamping cylinders 8 are fixed together through the clamping bolts 9, then the clamping bolts 2 and the nuts 5 are fixed in the sliding grooves 3 of the fixture body 1, and then the connecting section of the test machine of the fixture body 1 is rotated into the upper static shaft of the friction test machine to start a test.
The embodiment of the utility model has the advantages of few parts, simple processing, low cost and strong applicability, can adjust the friction radius according to the test requirement, can also ensure the stability of clamping and the level of the friction surface, and has better test effect compared with the traditional clamp.
The present invention has been described in terms of the preferred embodiment, and it is not intended to be limited to the embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A pin clamp of a pin disc testing machine is characterized by comprising a clamp main body (1), a fixing body, a sliding groove (3), a pressure disc (6) and a clamp (7);
the clamp main body (1) comprises a testing machine connecting section and a clamp connecting section, the upper part of the testing machine connecting section is connected with the testing machine main body, and a sliding groove (3) is formed in the clamp connecting section;
the fixing body penetrates through the sliding groove (3) and is connected with the sliding groove (3), the lower part of the fixing body is connected with a pressure plate (6), and the pressure plate (6) is connected with a clamp (7);
the radial length of the sliding groove (3) is larger than that of the fixed body.
2. The pin holder of the pin plate testing machine according to claim 1, wherein the fixing body comprises a fastening bolt (2) and a nut (5);
the fastening bolt (2) penetrates through the sliding groove (3), a gap exists between the fastening bolt (2) and the sliding groove (3), the nut (5) is arranged on the lower portion of the fastening bolt (2), and the fastening bolt (2) and the sliding groove (3) are connected through the nut (5).
3. The pin jig of the pin disc testing machine according to claim 1, wherein the upper end surface of the sliding groove (3) is provided with a sliding rail, the upper part of the fixing body is embedded in the sliding rail and can move along the radial direction of the sliding rail, and the lower part of the fixing body is rigidly connected with the lower end surface of the sliding groove (3).
4. The pin clamp of the pin disc testing machine according to claim 1, characterized in that the clamp comprises two groups of clamping cylinders (8), the two groups of clamping cylinders (8) are symmetrically connected to form a complete cavity structure, and the pressure plate (6) is rigidly connected with any group of clamping cylinders (8).
5. The pin holder of the pin disc testing machine according to claim 4, characterized in that the pressure disc (6) is welded to any one set of clamping cylinders (8).
6. The pin clamp of the pin disc testing machine according to claim 5, wherein the two groups of clamping cylinders (8) are connected through clamping bolts (9), corresponding connecting holes are formed in two sides of each group of clamping cylinders (8), and the clamping bolts (9) penetrate through the corresponding connecting holes of the two groups of clamping cylinders (8).
7. The pin holder of a pin-disk testing machine according to claim 1, characterized in that the fixing body is welded to the pressure disk (6).
8. The pin holder of the pin disc testing machine according to any one of claims 1 to 7, wherein the upper part of the connecting section of the testing machine of the holder body (1) is provided with a screw thread, and is connected with the testing machine through the screw thread.
9. The pin holder of the pin disc testing machine according to claim 8, characterized in that the holder (7) is of rectangular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123359696.1U CN216747122U (en) | 2021-12-28 | 2021-12-28 | Pin clamp of pin disc testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123359696.1U CN216747122U (en) | 2021-12-28 | 2021-12-28 | Pin clamp of pin disc testing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216747122U true CN216747122U (en) | 2022-06-14 |
Family
ID=81939574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123359696.1U Active CN216747122U (en) | 2021-12-28 | 2021-12-28 | Pin clamp of pin disc testing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216747122U (en) |
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2021
- 2021-12-28 CN CN202123359696.1U patent/CN216747122U/en active Active
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| TR01 | Transfer of patent right |
Effective date of registration: 20240829 Address after: 253000 No. 1, Juntun Avenue, Toubaihu Village, Ertun Town, Decheng District, Dezhou City, Shandong Province Patentee after: Shandong Lishengyuan Electronic Technology Co.,Ltd. Country or region after: China Address before: 710021 Shaanxi province Xi'an Weiyang University Park Patentee before: SHAANXI University OF SCIENCE & TECHNOLOGY Country or region before: China |