Motor durability testing device
By designing a first slide and a second slide in the motor durability testing device to apply radial and axial forces, the problem of deviation between motor test data and actual environment in the prior art is solved, and a higher precision motor mechanical durability performance evaluation is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-04-10
AI Technical Summary
Existing motor durability testing equipment fails to simulate the combined effects of radial and axial forces on the motor output shaft in actual applications, resulting in deviations between test data and real-world usage environments, making it difficult to fully reflect the mechanical durability performance and potential failure modes of the motor.
Design a motor durability testing device that applies radial and axial forces in different directions via a first slide and a second slide to simulate the actual operating conditions of the motor. The device includes a thruster and a slider that slide on a slide rail. The support is equipped with a positioning plate and mounting holes to ensure accurate connection and force application of the motor output shaft.
This improves the accuracy of motor durability testing, enabling it to more accurately reflect the mechanical performance and potential failure modes of motors under complex operating conditions.
Smart Images
Figure CN224109606U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to motor test technical field especially relates to a motor endurance test device. BACKGROUND
[0002] In the motor production and use process, endurance test is the important link of ensuring motor quality and reliability. The traditional test method usually only adopts the shaft coupling to connect the output shaft of the motor to be tested and the test motor, and drives the motor to be tested to complete the operation test of hundreds of millions of revolutions and the million times of forward and reverse impact test. However, this test method has certain limitations, because in actual application, the output shaft of the motor not only bears the torque load, but also is subjected to the combined action of the radial force (such as the lateral force generated by the belt or gear transmission) and the axial force (such as the thrust bearing load). The existing test device does not simulate these compound working conditions, resulting in the deviation of the test data from the real use environment, and it is difficult to fully reflect the mechanical endurance performance and potential failure mode of the motor. SUMMARY
[0003] The utility model wants to solve the technical problem that provide a kind of motor endurance test device, can exert radial force and axial force to motor output shaft, to improve test precision.
[0004] In order to solve the above technical problems, the utility model adopts a technical scheme that a kind of motor endurance test device, including first sliding table and second sliding table;The first sliding table has the movable end of moving along the first direction, the second sliding table is set on the movable end of first sliding table, the second sliding table has the movable end of moving along the second direction, and the second direction is perpendicular to the first direction.
[0005] Further, the first sliding table includes a first pusher and a first sliding block, the first pusher has a thrust end facing the first direction, and the first sliding block is in contact with the thrust end of the first pusher.
[0006] Further, the first sliding table further includes a first sliding rail arranged along the first direction, and the first sliding block is slidingly arranged on the first sliding rail.
[0007] Further, the second sliding table includes a second pusher and a second sliding block, the second pusher has a thrust end facing the second direction, and the second sliding block is in contact with the thrust end of the second pusher.
[0008] Further, the second sliding table further includes a second sliding rail arranged along the second direction, and the second sliding block is slidingly arranged on the second sliding rail.
[0009] Further, the motor durability test device has a support, the support comprises a first positioning plate, the first positioning plate is provided with a first through hole, and the axis of the first through hole is parallel to the first direction or the second direction.
[0010] Further, the first positioning plate is provided with a plurality of first assembly holes.
[0011] Further, the support further comprises a second positioning plate, the second positioning plate is arranged on the movable end of the second sliding table, the second positioning plate is provided with a second through hole, and the axis of the second through hole is parallel to the axis of the first through hole.
[0012] Further, the support further comprises a mounting block, the mounting block is arranged on the movable end of the second sliding table, the second positioning plate is detachably arranged on the mounting block, and the mounting block is provided with a avoiding hole coaxial with the second through hole.
[0013] Further, the second positioning plate is provided with a plurality of second assembly holes.
[0014] The motor durability test device has the advantages that: the motor to be tested is arranged on the movable end of the second sliding table, the output shaft of the motor to be tested is connected with the output shaft of the test motor through the shaft coupling, and then the radial force and / or the radial force is applied to the output shaft of the motor to be tested by the first sliding table and / or the second sliding table according to requirements, so that the actual use working condition of the motor is simulated, and the test precision is improved. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A structural schematic view of the motor durability test device is provided for the utility model;
[0016] Figure 2 A side view structural schematic view of the motor durability test device is provided for the utility model;
[0017] Figure 3 A first positioning plate structural schematic view of the motor durability test device is provided for the utility model;
[0018] Figure 4 A second positioning plate structural schematic view of the motor durability test device is provided for the utility model;
[0019] Figure 5 A mounting block structural schematic view of the motor durability test device is provided for the utility model;
[0020] LABEL EXPLANATION
[0021] 1, the first sliding table; 11, the first pusher; 12, the first sliding block; 13, the first sliding rail;
[0022] 2, second slide; 21, second pusher; 22, second slider; 23, second slide rail;
[0023] 3, support; 31, first positioning plate; 311, first through hole; 312, first assembly hole;
[0024] 32, second positioning plate; 321, second through hole; 322, second assembly hole;
[0025] 33, mounting block; 331, avoiding hole;
[0026] 4, motor to be tested; 5, test motor. DETAILED DESCRIPTION
[0027] To explain the technical content of the utility model, the purpose and effect realized, the following will be explained in combination with the embodiment and the drawings.
[0028] In this embodiment, the first direction is a direction F1 perpendicular to the output shaft of the motor to be tested 4, and the second direction is a direction F2 parallel to the output shaft of the motor to be tested 4.
[0029] Please refer to Figure 1 and Figure 2 , the utility model discloses a motor endurance test device, including first slide 1 and second slide 2, first slide 1 has the movable end along the first direction, second slide 2 sets up on the movable end of first slide 1, second slide 2 has the movable end along the second direction, and the second direction is perpendicular to the first direction.
[0030] Working principle: the motor to be tested 4 is arranged on the movable end of the second slide 2, and the output shaft of the motor to be tested 4 is connected with the output shaft of the test motor 5 through the shaft coupling, then the first direction force and / or the second direction force are applied to the output shaft of the motor to be tested 4 by the first slide 1 and / or the second slide 2 according to the requirement, so that the actual use working condition of the motor is simulated, and the test precision is improved.
[0031] It needs to be additionally explained that the size of the first direction force and / or the second direction force applied to the output shaft of the motor to be tested 4 is determined according to the motor assembly environment and working environment, so that it is not described in detail that how much force needs to be applied for test use.
[0032] In some embodiments, please refer to Figure 1 and Figure 2 , the first slide 1 includes the first pusher 11 and the first slider 12, the first pusher 11 has the push end to the first direction force, and the first slider 12 is in contact with the push end of the first pusher 11. The first pusher 11 is used to apply the push force to the first slider 12, so that the first direction force is applied to the output shaft of the motor to be tested 4.
[0033] It is worth mentioning that the first thrust 11 can be a spring force to the first slider 12 in the first direction, by changing the deformation of the spring (i.e. changing the compression or lengthening amount of the spring) to adjust the size of the force; the first thrust 11 can also be a cylinder, oil cylinder, electric cylinder and other devices with a moving active end in a direction. Of course, in order to better control the size of the first thrust 11, a pressure sensor can be arranged between the first thrust 11 and the first slider 12 to detect the size of the force.
[0034] In some embodiments, referring to Figure 1 and Figure 2 , the first sliding table 1 further comprises a first sliding rail 13 arranged in the first direction, and the first slider 12 is slidingly arranged on the first sliding rail 13. The first sliding rail 13 can ensure the direction of the force applied to the output shaft of the motor 4 by the first sliding table 1.
[0035] In some embodiments, referring to Figure 1 and Figure 2 , the second sliding table 2 comprises a second thrust 21 and a second slider 22, the second thrust 21 has a thrust end in the second direction, and the second slider 22 is in contact with the thrust end of the second thrust 21. The second thrust 21 applies a thrust to the second slider 22, thereby applying a force in the second direction to the output shaft of the motor 4.
[0036] It is worth mentioning that the second thrust 21 can be a spring force to the second slider 22 in the second direction, by changing the deformation of the spring (i.e. changing the compression or lengthening amount of the spring) to adjust the size of the force; the second thrust 21 can also be a cylinder, oil cylinder, electric cylinder and other devices with a moving active end in a direction. Of course, in order to better control the size of the second thrust 21, a pressure sensor can be arranged between the second thrust 21 and the second slider 22 to detect the size of the force.
[0037] In some embodiments, referring to Figure 1 and Figure 2 , the second sliding table 2 further comprises a second sliding rail 23 arranged in the second direction, and the second slider 22 is slidingly arranged on the second sliding rail 23. The second sliding rail 23 can ensure the direction of the force applied to the output shaft of the motor 4 by the second sliding table 2.
[0038] In some embodiments, referring to Figure 1 and Figure 3As shown, the motor durability test device further comprises a bracket 3, the bracket 3 comprises a first positioning plate 31, the first positioning plate 31 is provided with a first through hole 311, the axis of the first through hole 311 is parallel to the first direction or the second direction. The test motor 5 is positioned and installed on the first positioning plate 31, and the output shaft of the test motor 5 is passed through the first through hole 311, so that the output shaft of the test motor 5 can be connected with the output shaft of the motor to be tested 4.
[0039] In some embodiments, referring to Figure 3 As shown, the first positioning plate 31 is provided with a plurality of first assembly holes 312. The test motor 5 can be accurately positioned and installed on the first positioning plate 31 through the first assembly hole 312.
[0040] In some embodiments, referring to Figure 1 and Figure 4 As shown, the bracket 3 further comprises a second positioning plate 32, the second positioning plate 32 is arranged on the movable end of the second sliding table 2, the second positioning plate 32 is provided with a second through hole 321, the axis of the second through hole 321 is parallel to the axis of the first through hole 311. The motor to be tested 4 is positioned and installed on the second positioning plate 32, and the output shaft of the motor to be tested 4 is passed through the second through hole 321, so that the output shaft of the motor to be tested 4 can be connected with the output shaft of the test motor 5.
[0041] In some embodiments, referring to Figure 1 and Figure 5 As shown, the bracket 3 further comprises a mounting block 33, the mounting block 33 is arranged on the movable end of the second sliding table 2, the second positioning plate 32 is detachably arranged on the mounting block 33, and the mounting block 33 is provided with a avoiding hole 331 coaxial with the second through hole 321. The second positioning plate 32 is arranged on the movable end of the second sliding table 2 through the mounting block 33, and the second positioning plate 32 is detachably arranged on the mounting block 33, so that when a new motor to be tested 4 is replaced for testing, especially when different models of motors to be tested 4 are tested, only the corresponding second positioning plate 32 needs to be replaced and assembled with the motor to be tested 4, and then the second positioning plate 32 is fixed with the mounting block 33, so as to simplify the debugging and replacement of the device.
[0042] In some embodiments, referring to Figure 4 As shown, the second positioning plate 32 is provided with a plurality of second assembly holes 322. The motor to be tested 4 can be accurately positioned and installed on the second positioning plate 32 through the second assembly hole 322.
[0043] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent transformation or direct or indirect application in the related technical field based on the content of the present application specification and drawings is also included in the patent protection scope of the present application.
Claims
1. An electric machine endurance testing device, characterized by: The first slide table has a movable end moving in a first direction, and the second slide table is arranged on the movable end of the first slide table and has a movable end moving in a second direction perpendicular to the first direction.
2. The motor endurance testing device of claim 1, wherein: The first slide table comprises a first thrust device having a thrust end applying a thrust force towards the first direction, and a first sliding block in contact with the thrust end of the first thrust device.
3. The motor endurance testing apparatus of claim 2, wherein: The first slide table further comprises a first sliding rail arranged in the first direction, and the first sliding block is slidingly arranged on the first sliding rail.
4. The motor endurance testing apparatus of claim 1, wherein: The second slide table comprises a second thrust device having a thrust end applying a thrust force towards the second direction, and a second sliding block in contact with the thrust end of the second thrust device.
5. The motor endurance testing apparatus of claim 4, wherein: The second slide table further comprises a second sliding rail arranged in the second direction, and the second sliding block is slidingly arranged on the second sliding rail.
6. The motor endurance testing apparatus of claim 1, wherein: The bracket comprises a first positioning plate provided with a first through hole, and an axis of the first through hole is parallel to the first direction or the second direction.
7. The motor endurance testing apparatus of claim 6, wherein: The first positioning plate is provided with a plurality of first assembly holes.
8. The motor endurance testing apparatus of claim 6, wherein: The bracket further comprises a second positioning plate arranged on the movable end of the second slide table, and the second positioning plate is provided with a second through hole, and an axis of the second through hole is parallel to the axis of the first through hole.
9. The motor endurance testing apparatus of claim 8, wherein: The bracket further comprises a mounting block arranged on the movable end of the second slide table, and the second positioning plate is detachably arranged on the mounting block, and the mounting block is provided with a relief hole coaxial with the second through hole.
10. The motor endurance testing apparatus of claim 8, wherein: The second positioning plate is provided with a plurality of second assembly holes.