Cylindrical cam hole shaft reciprocating motion friction-wear testing machine device
The cylindrical cam hole shaft reciprocating motion friction and wear testing machine solves the problems of low efficiency and poor simulation effect of traditional equipment, realizes efficient and accurate hole shaft friction and wear test, and supports parallel testing of multiple samples.
Patent Information
- Application Number
- CN202520296778.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2035-02-24
AI Technical Summary
Existing hole and shaft friction and wear testing equipment suffers from low experimental efficiency, poor simulation effects, and a lack of flexibility in motion trajectory, making it difficult to meet complex testing needs and affecting research progress and experimental accuracy.
It adopts a cylindrical cam and guide post/sleeve cooperation, and achieves high-precision motion control by adjusting the cam surface shape and trajectory. It supports simultaneous experiments on multiple samples and combines a PLC control module and an industrial control touch screen for human-machine interaction.
It achieves efficient and accurate simulation of hole and shaft friction and wear, improves experimental efficiency and accuracy, meets complex testing needs, and provides a flexible experimental tool.
Smart Images
Figure CN223650178U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of hole shaft friction technology, and in particular to a test device for reciprocating motion friction and wear of cylindrical cam hole shaft. Background Technology
[0002] The bore and shaft friction and wear testing machine, as a core piece of equipment in the field of tribology for evaluating the friction performance and wear characteristics of bore and shaft mating parts, can not only accurately simulate the friction and wear process of bores and shafts under actual working conditions, but also provide researchers with a platform to gain a deeper understanding of material wear resistance, wear mechanisms, and the influence of different working environments. The existence of this experimental device has greatly promoted scientific research and technological innovation in the design, improvement, and optimization of bores and shafts and their mating components.
[0003] Existing hole-shaft friction and wear testing equipment has achieved the simulation of the reciprocating motion of hole-shafts by using alternative experimental methods with general-purpose equipment, thus meeting the needs of friction and wear testing to a certain extent. However, its application scope is still limited. Traditional multifunctional friction testing equipment, such as pin-disc and disc-disc, although widely used, has many limitations. These traditional devices can usually only test one item, resulting in low experimental efficiency, high cost, and impact on research progress. At the same time, these devices have low operating frequency, making it difficult to simulate critical wear states. The testing cycle is long and the timeliness is poor, and the experimental results may deviate from the actual situation. In addition, the motion trajectory of these devices lacks flexibility and diversity, failing to meet complex testing needs, reducing experimental accuracy and reliability, and limiting researchers' innovation in exploring friction and wear mechanisms and optimizing design schemes.
[0004] Addressing the shortcomings of existing hole and shaft friction and wear testing equipment is crucial for technological optimization and upgrading. Improving the design and functionality of the equipment, enhancing its testing efficiency and accuracy, and expanding its application scope will better meet the needs of scientific research and promote the research and development of the field of hole and shaft friction and wear. Utility Model Content
[0005] The purpose of this invention is to provide a cylindrical cam hole shaft reciprocating motion friction and wear testing machine device, which solves the problems of low experimental efficiency, poor simulation effect and lack of flexibility in motion trajectory of traditional friction and wear devices.
[0006] To achieve the above objectives, this utility model provides a cylindrical cam hole shaft reciprocating motion friction and wear testing machine device, including a testing machine frame, a chassis inside the testing machine frame, a transmission mechanism below the chassis, a control mechanism below the transmission mechanism, a guide mechanism above the chassis, and a hole shaft sample mechanism above the guide mechanism.
[0007] Preferably, the transmission mechanism includes a drive motor, which is connected to the testing machine frame via a chassis. A cylindrical cam is disposed above the drive motor, and the drive motor and the cylindrical cam are connected by a key. A guide rail is disposed on the cylindrical cam, and a cylindrical cam follower is disposed above the guide rail. A transmission guide post is disposed on the cylindrical cam follower, and the cylindrical cam follower is connected to the transmission guide post.
[0008] Preferably, the guiding mechanism includes a guide disk, a transmission guide post and a linear bearing guide sleeve are disposed above the guide disk, the linear bearing guide sleeve is sleeved on the outside of the transmission guide post, the linear bearing guide sleeve is fixed on the guide disk by a threaded connection, a shaft sample and a connecting fixture are disposed above the transmission guide post, and the shaft sample is connected to the transmission guide post by the connecting fixture.
[0009] Preferably, the hole-shaft sample mechanism includes a hole-shaft sample disk, on which a hole sample is disposed, and a shaft sample is disposed inside the hole sample. The hole sample is connected to the hole-shaft sample disk by bolts.
[0010] Preferably, a first limiting plate and a second limiting plate are sequentially arranged above the bore shaft sample plate, and a guide post is arranged above the chassis. The guide post sequentially passes through the guide plate, the bore shaft sample plate, the first limiting plate, and the second limiting plate. The chassis, the guide plate, the bore shaft sample plate, the first limiting plate, and the second limiting plate are fixedly connected by the guide post.
[0011] Preferably, an industrial control touch screen is provided on the outside of the testing machine frame, and the control mechanism includes a PLC control module, which is electrically connected to the industrial control touch screen and to the drive motor.
[0012] Therefore, the present invention employs the above-mentioned cylindrical cam hole shaft reciprocating motion friction and wear testing machine device, and the technical effects are as follows:
[0013] 1. By using a cylindrical cam in conjunction with a guide post and guide sleeve, the relative frictional motion between the shaft and hole can be achieved directly without the need for equivalent or cut-hole shaft parts.
[0014] 2. By adjusting the shape, size, and trajectory groove of the cylindrical cam surface, precise control of the output motion can be achieved; the cylindrical cam is equipped with a guide rail for the cylindrical cam follower, which provides reciprocating motion while avoiding deviation of the rolling trajectory of the follower, thus realizing a true simulation of the hole-shaft friction condition.
[0015] 3. By setting up hole specimens and shaft specimens, multiple specimens can be tested for friction at the same time, which greatly improves the experimental efficiency and provides a powerful experimental tool for multi-process parameter experimental scenarios. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the overall assembly structure of this utility model;
[0017] Figure 2 This is a schematic diagram of the main components of this utility model;
[0018] Figure 3 This is a schematic diagram of the guiding mechanism structure of this utility model;
[0019] Figure 4 This is a schematic diagram of the hole shaft sample mechanism of this utility model.
[0020] Figure Labels
[0021] 1. Testing machine frame; 2. Chassis; 3. Control mechanism; 4. Transmission mechanism; 5. Guiding mechanism; 6. Hole and shaft specimen mechanism; 7. Drive motor; 8. Cylindrical cam; 9. Guide rail; 10. Cylindrical cam follower; 11. Transmission guide post; 12. Guide plate; 13. Linear bearing guide sleeve; 14. Connecting fixture; 15. Shaft specimen; 16. Hole specimen; 17. Hole and shaft specimen plate; 18. First limiting plate; 19. Second limiting plate; 20. Guide post; 21. Industrial control touch screen; 22. Roller. Detailed Implementation
[0022] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.
[0023] Unless otherwise defined, the technical or scientific terms used in this invention shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention pertains.
[0024] Example 1
[0025] like Figures 1-4 As shown, this utility model provides a cylindrical cam hole shaft reciprocating motion friction and wear testing machine device, including a testing machine frame 1. Inside the testing machine frame 1, a control mechanism 3, a transmission mechanism 4, a guide mechanism 5, and a hole shaft sample mechanism 6 are arranged sequentially. The control mechanism 3 is located at the lower part inside the testing machine frame 1. The transmission mechanism 4 is located above the control mechanism 3. The guide mechanism 5 is located above the transmission mechanism 4. The hole shaft sample mechanism 6 is located above the guide mechanism 5.
[0026] The transmission mechanism 4 includes a drive motor 7, which is connected to the testing machine frame 1 via the chassis 2 to ensure transmission stability. A cylindrical cam 8 is mounted above the drive motor 7, and a key connection is established between the drive motor 7 and the cylindrical cam 8 to ensure reliable power transmission. A guide rail 9 is mounted on the cylindrical cam 8, and a cylindrical cam follower 10 is mounted above the guide rail 9. The guide rail 9 guides the movement of the cylindrical cam follower 10. A transmission guide post 11 is mounted on the cylindrical cam follower 10, and the two are connected to achieve power transmission and motion guidance.
[0027] The guiding mechanism 5 includes a guide disk 12, above which are a transmission guide post 11 and a linear bearing guide sleeve 13. The linear bearing guide sleeve 13 is sleeved on the outside of the transmission guide post 11, and is fixed to the guide disk 12 by a threaded connection to ensure the linear movement of the transmission guide post 11. Above the transmission guide post 11 are a shaft sample 15 and a connecting clamp 14. The shaft sample 15 is connected to the transmission guide post 11 through the connecting clamp 14, realizing the fixing and transmission of the shaft sample 15, and also allowing the shaft sample to be replaced and disassembled, facilitating experiments on shafts with holes of different diameters.
[0028] The bore-shaft specimen mechanism 6 includes a bore-shaft specimen disk 17, on which a bore specimen 16 is mounted. A shaft specimen 15 is mounted inside the bore specimen 16, and the two work together to perform a friction test. The bore specimen 16 is connected to the bore-shaft specimen disk 17 by bolts to ensure the stability and reliability of the bore specimen 16.
[0029] A first limiting plate 18 and a second limiting plate 19 are sequentially arranged above the bore shaft sample plate 17 to limit the movement range of the bore shaft sample mechanism 6. A guide post 20 is arranged above the base plate 2, and the guide post 20 passes through the guide plate 12, the bore shaft sample plate 17, the first limiting plate 18 and the second limiting plate 19 in sequence. These components are fixedly connected by the guide post 20 to ensure the stability and rigidity of the entire testing machine.
[0030] An industrial control touch screen 21 is installed on the outside of the testing machine frame 1, and the control mechanism 3 is located inside the lower part of the testing machine frame 1, mainly including a PLC control module. The PLC control module is electrically connected to the industrial control touch screen 21 via wires to realize human-machine interaction and parameter setting. Casters 22 are also provided at the bottom of the testing machine frame 1 to facilitate the movement of the testing machine.
[0031] By using a cylindrical cam 8 in conjunction with a guide post and guide sleeve, the relative frictional motion between the shaft and hole can be achieved directly without equivalent or cut-opening parts, solving the problem of low experimental efficiency in traditional friction and wear devices. The guide rail 9 on the surface of the cylindrical cam 8 enables highly precise control of the output motion, providing reciprocating motion while preventing skewness in the rolling trajectory of the follower, thus achieving a realistic simulation of the shaft-hole friction condition and solving the problem of poor simulation results. The detachable and replaceable hole specimen 16 and shaft specimen 15 allow for simultaneous friction experiments with multiple specimens, greatly improving experimental efficiency.
[0032] Therefore, this utility model adopts the above-mentioned cylindrical cam hole shaft reciprocating motion friction and wear testing machine device. By adopting the cylindrical cam hole shaft reciprocating motion friction and wear testing machine device, the problems of traditional friction and wear devices in terms of experimental efficiency, simulation effect and motion trajectory flexibility are effectively solved, providing a more efficient, accurate and flexible tool for friction and wear experiments.
[0033] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and not to limit it. Although the utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can still be made to the technical solution of this utility model, and these modifications or equivalent substitutions cannot cause the modified technical solution to deviate from the spirit and scope of the technical solution of this utility model.
Claims
1. A device for testing the friction and wear of a cylindrical cam bore shaft reciprocating motion, characterized in that, The test machine includes a frame, a chassis is provided inside the frame, a transmission mechanism is provided below the chassis, a control mechanism is provided below the transmission mechanism, a guide mechanism is provided above the chassis, and a hole shaft sample mechanism is provided above the guide mechanism.
2. The cylindrical cam bore shaft reciprocating motion friction and wear testing machine device according to claim 1, characterized in that, The transmission mechanism includes a drive motor, which is connected to the testing machine frame via a chassis. A cylindrical cam is mounted above the drive motor, and the drive motor and the cylindrical cam are connected by a key. A guide rail is mounted on the cylindrical cam, and a cylindrical cam follower is mounted above the guide rail. A transmission guide post is mounted on the cylindrical cam follower, and the cylindrical cam follower is connected to the transmission guide post.
3. The apparatus for testing the reciprocating friction and wear of a cylindrical cam bore shaft according to claim 1, characterized in that, The guiding mechanism includes a guide disk, a transmission guide post and a linear bearing guide sleeve are arranged above the guide disk, the linear bearing guide sleeve is sleeved on the outside of the transmission guide post, and the linear bearing guide sleeve is fixed on the guide disk by a threaded connection. A shaft sample and a connecting fixture are arranged above the transmission guide post, and the shaft sample is connected to the transmission guide post by the connecting fixture.
4. The apparatus for testing the reciprocating friction and wear of a cylindrical cam bore shaft according to claim 1, characterized in that, The hole-shaft sample mechanism includes a hole-shaft sample disk, on which a hole sample is disposed, and a shaft sample is disposed inside the hole sample. The hole sample is connected to the hole-shaft sample disk by bolts.
5. The apparatus for testing the reciprocating friction and wear of a cylindrical cam bore shaft according to claim 4, characterized in that, A first limiting plate and a second limiting plate are sequentially arranged above the bore shaft sample plate, and a guide post is arranged above the chassis. The guide post sequentially passes through the guide plate, the bore shaft sample plate, the first limiting plate and the second limiting plate. The chassis, the guide plate, the bore shaft sample plate, the first limiting plate and the second limiting plate are fixedly connected by the guide post.
6. The apparatus for testing the reciprocating friction and wear of a cylindrical cam bore shaft according to claim 1, characterized in that, An industrial control touch screen is installed on the outside of the testing machine frame. The control mechanism includes a PLC control module, which is electrically connected to the industrial control touch screen and to the drive motor.