CN216900048U - Pin disc type friction and wear testing machine capable of performing comparison test - Google Patents
Pin disc type friction and wear testing machine capable of performing comparison test Download PDFInfo
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- CN216900048U CN216900048U CN202123435876.3U CN202123435876U CN216900048U CN 216900048 U CN216900048 U CN 216900048U CN 202123435876 U CN202123435876 U CN 202123435876U CN 216900048 U CN216900048 U CN 216900048U
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Abstract
The utility model discloses a pin disc type friction wear testing machine capable of carrying out a comparison test, which comprises a driving device, a driving device and a control device, wherein the driving device is used for driving the driving device to rotate; the driving device comprises a balance bar; the balance rod is of a structure of 20866;, the bottom of the balance rod is provided with motors, the output ends of the motors are connected with rotating shafts, and the end parts of the rotating shafts are provided with pin sample clamps which are used for clamping pin samples; a disc sample clamp is arranged at the bottom of the pin sample clamp and used for clamping a disc sample, and the pin sample is contacted with the disc sample for friction; the bottom of the disc sample clamp is provided with a lifting shaft, the lifting shaft is connected with one end of a ball screw, the other end of the ball screw is connected with the output end of a motor, the motor is fixed on a connecting rod, and the connecting rod is fixed on a base station; and heating devices are arranged on the outer sides of the pin sample clamp and the disc sample clamp and used for controlling the temperature of the experimental environment. The structure is simple, and the difference of the external environment to the experimental result can be reduced to the maximum extent, so that the experimental result is more accurate.
Description
Technical Field
The utility model belongs to the technical field of friction test equipment, and particularly belongs to a pin disc type friction wear testing machine capable of performing a comparison test.
Background
In our lives, friction is ubiquitous. However, various frictional relative movements may cause wear, and many factors affecting wear, such as the material of the friction member, the ambient temperature, the frictional movement form, the working condition, and the lubrication manner, are involved. When studying it, it is often necessary to compare how and how different the material behaves under different load, rotation speed and temperature conditions. The frictional wear performance of the material cannot be accurately evaluated by a single frictional wear test, and the frictional wear performance of the material can be more accurately evaluated by a contrast test.
In conclusion, the friction wear testing machine in the prior art cannot perform accurate comparison test, and has the problem of large error of experimental results.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems in the prior art, the utility model provides the pin disc type friction and wear testing machine capable of carrying out the comparison test, which has a simple structure, can reduce the difference of the external environment to the test result to the maximum extent, and enables the test result to be more accurate.
In order to achieve the purpose, the utility model provides the following technical scheme:
a pin disc type friction wear testing machine capable of carrying out comparison tests comprises a driving device;
the driving device comprises a balance bar; the balance rod is of a structure of a shape of a' 20866;
a disc sample clamp is arranged at the bottom of the pin sample clamp and used for clamping a disc sample, and the pin sample is in contact with the disc sample for friction; the bottom of the disc sample clamp is provided with a lifting shaft, the lifting shaft is connected with one end of a ball screw, the other end of the ball screw is connected with the output end of a motor, the motor is fixed on a connecting rod, and the connecting rod is fixed on a base station;
and heating devices are arranged on the outer sides of the pin sample clamp and the disc sample clamp and used for controlling the temperature of the experimental environment.
Preferably, the motor is connected to the rotating shaft by a coupling.
Further, the rotating shaft and the coupler are connected through welding.
Preferably, the motor and the ball screw are connected through a coupling.
Preferably, a temperature measuring device and a cooling device are arranged on the inner side wall of the heating device.
Preferably, the heating device is internally provided with a heat insulation device for forming an independent experiment space.
Preferably, the pin sample holder is fixed to the rotary shaft by a screw connection.
Preferably, the disc sample clamp is fixed on the lifting shaft through a clamping groove.
Compared with the prior art, the utility model has the following beneficial technical effects:
the utility model provides a pin disc type friction and wear testing machine capable of carrying out a comparison test, which is used for carrying out friction and wear tests at different rotating speeds, loads and temperatures by arranging two independent driving devices, a pressure applying device and a temperature control device to provide the speeds, loads and temperatures required by the tests, thereby shortening the test time and improving the reliability of friction test results. The utility model can carry out comparison tests by setting different test conditions, such as temperature, pressure, speed, service environment and the like. The time cost of the test can be reduced, and the frictional wear performance of the material can be more accurately evaluated.
Furthermore, the temperature measuring device, the heating device and the cooling device are arranged on the side wall of the temperature control device, so that the requirement of controlling the temperature of the test environment is met, and the test environment is conveniently simulated.
Furthermore, through setting up two sets of independent round pin, dish sample anchor clamps, can carry out two sets of loads, the same or different experiments of rotational speed and external environment simultaneously, increased the reliability of contrast test result.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
in the drawings: the balance bar is 1, the motor is 2, the coupler is 3, the cooling pipeline is 4, the cooling device is 5, the temperature measuring device is 6, the heating device is 7, the pin sample clamp is 8, the pin sample is 9, the disk sample is 10, the disk sample clamp is 11, the rotating shaft is 12, the lifting shaft is 13, the heat insulation device is 14, the ball screw is 15, the connecting rod is 16, and the base station is 17.
Detailed Description
The present invention will now be described in further detail with reference to specific examples, which are intended to be illustrative, but not limiting, of the utility model.
Examples
Referring to fig. 1, the pin disc type friction wear testing machine capable of performing a comparative test comprises a driving device, a pressing device, a rotating device, a pin disc clamp and a temperature control device.
The driving device comprises a balancing rod 1, motors 2, a coupler 3, rotating shafts 12 and pin sample clamps 8, wherein the balancing rod 1 is of a structure of 20866A, the motors 2 are arranged at the bottoms of the balancing rod 1, the rotating shafts 12 are connected with the output ends of the motors 2, the pin sample clamps are arranged at the end parts of the rotating shafts 12, and the pin sample clamps 8 are used for clamping pin samples 9;
a disc sample clamp 11 is arranged at the bottom of the pin sample clamp 8, the disc sample clamp 11 is used for clamping a disc sample 10, and the pin sample 9 is in contact with the disc sample 10 for friction; the bottom of the disc sample clamp 11 is provided with a lifting shaft 13, the lifting shaft 13 is connected with one end of a ball screw 15, the other end of the ball screw 15 is connected with the output end of a motor 2, the motor 2 is fixed on a connecting rod 16, and the connecting rod 16 is fixed on a base station 17;
the outer sides of the pin sample holder 8 and the disc sample holder 11 are provided with heating devices 7 for controlling the experiment environment temperature. The heating device 7 can be a heating wire arranged inside the cavity structure for heating, the temperature measuring device 6 and the cooling device 5 can be arranged on the inner side wall of the cavity structure, and the cavity structure is made of high-temperature-resistant materials. After the testing machine is electrified, the motor 2 is started, the motor is connected with the coupler 3, the coupler drives the rotating shaft 12 to rotate, the pin sample 9 is arranged on the pin sample clamp 8, and the rotating shaft 12 drives the pin sample clamp 8 and the pin sample 9 to rotate.
The pressing device rotates through the motor 2, drives the ball screw 15 to rotate, so that the lifting shaft 13 freely goes up and down to perform pressing or pressure reduction, and accordingly, the load required by the experiment is provided.
The temperature control device realizes the temperature rise through the heating device 7, the temperature drop is realized through the cooling device 5, the test temperature is detected through the temperature measuring device 6 in real time, and the heat insulation device 14 can ensure that the temperatures do not influence each other when two groups of tests are carried out.
The size of the pin disc clamp is about the standard size of the pin disc sample plus 0.5mm, and the pin disc clamp can be conveniently installed under the condition that the clamping precision is not influenced.
The heating device 7 has two mutually independent parts, so that the comparison test under different temperature environments is conveniently carried out.
The rotary shaft 12 is connected to the coupling 3 by welding, and the pin sample holder 8 is fixed to the rotary shaft 12 by screwing.
The pin sample holder 8 and the disk sample holder 10 are each externally threaded, and the pin sample 9 and the disk sample 10 are fixed by tightening a bolt.
The cooling device 5 is arranged on the inner wall of the heating device 7, and cooling liquid is introduced into the cooling pipeline 4 to achieve the purpose of controlling the temperature.
The working process of the pin disc type friction wear testing machine capable of carrying out the comparison test is as follows: the testing machine can simultaneously carry out two sets of rotary friction and wear tests so as to reduce errors caused by manual operation and environment in the testing process. When the test is carried out, a pin test sample and a disc test sample are clamped to corresponding positions, and then different or same loads, speeds and temperatures are set for carrying out a comparison test.
The test environment is a comparison environment and other parameters are the same, so the test result is accurate.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A pin disc type friction wear testing machine capable of carrying out a comparison test is characterized by comprising a driving device;
the drive device comprises a balance bar (1); the balance bar (1) is of a 20866structure, motors (2) are arranged at the bottoms of the balance bar (1), the output ends of the motors (2) are connected with rotating shafts (12), pin sample clamps are arranged at the end parts of the rotating shafts (12), and the pin sample clamps (8) are used for clamping pin samples (9);
a disc sample clamp (11) is arranged at the bottom of the pin sample clamp (8), the disc sample clamp (11) is used for clamping a disc sample (10), and the pin sample (9) is in contact with the disc sample (10) for friction; the bottom of the disc sample clamp (11) is provided with a lifting shaft (13), the lifting shaft (13) is connected with one end of a ball screw (15), the other end of the ball screw (15) is connected with the output end of a motor (2), the motor (2) is fixed on a connecting rod (16), and the connecting rod (16) is fixed on a base station (17);
and heating devices (7) are arranged on the outer sides of the pin sample clamp (8) and the disc sample clamp (11) and are used for controlling the temperature of the experiment environment.
2. A comparative pin-disk friction-wear testing machine according to claim 1, characterized in that the connection between the electric motor (2) and the rotating shaft (12) is made by means of a coupling (3).
3. A comparative pin-disk friction wear tester according to claim 2, characterized in that the rotating shaft (12) and the coupling (3) are connected by welding.
4. A comparative pin-disk friction wear tester according to claim 1, characterized in that the connection between the electric motor (2) and the ball screw (15) is made by means of a coupling (3).
5. A pin-disk friction wear tester for comparative tests according to claim 1, characterized in that the heating device (7) is provided on its inner side wall with a temperature measuring device (6) and a cooling device (5).
6. A comparative pin-disk friction wear tester according to claim 1, characterized in that the heating device (7) is internally provided with a heat insulation device (14) for forming an independent test space.
7. A pin-disk friction wear tester for comparative testing according to claim 1, characterized in that the pin specimen holder (8) is fixed to the rotary shaft (12) by a screw connection.
8. A pin-disk friction wear tester capable of performing a comparative test according to claim 1, wherein the disk sample holder (11) is fixed to the elevating shaft (13) through a clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123435876.3U CN216900048U (en) | 2021-12-30 | 2021-12-30 | Pin disc type friction and wear testing machine capable of performing comparison test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123435876.3U CN216900048U (en) | 2021-12-30 | 2021-12-30 | Pin disc type friction and wear testing machine capable of performing comparison test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216900048U true CN216900048U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123435876.3U Active CN216900048U (en) | 2021-12-30 | 2021-12-30 | Pin disc type friction and wear testing machine capable of performing comparison test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216900048U (en) |
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2021
- 2021-12-30 CN CN202123435876.3U patent/CN216900048U/en active Active
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