Multifunctional gear motor performance test platform

Abstract

The invention aims to provide a multifunctional gear motor performance test platform. The device comprises a mounting plate, the mounting plate is sequentially provided with a positioning assembly, a radial swing detection assembly, a torque sensor and a hysteresis brake in the horizontal direction, the positioning assembly is used for positioning a to-be-detected motor, and the radial swing detection assembly applies radial force to an output shaft of the to-be-detected motor. An output shaft of the to-be-tested motor is in transmission connection with a first rotating tool, the left end and the right end of the torque sensor are provided with a first meshing structure and a second rotating tool respectively, the first rotating tool is matched with the first meshing structure, the hysteresis brake is connected with a second meshing structure, and the second meshing structure is matched with the second rotating tool. And the second rotating tool is matched with the second meshing structure. The invention is applied to the technical field of motor testing.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of motor testing, and particularly relates to a multifunctional performance testing platform for a reduction motor. BACKGROUND

[0002] With the development of industrial automation, the development of reduction motors is getting faster and faster, and reduction motors of different sizes and brands have emerged and are widely used in various devices or daily necessities. However, the existing performance testing of reduction motors mainly relies on manual judgment, and cannot guarantee the stability and consistency of the quality of reduction motors. Therefore, in order to ensure the quality and performance of the reduction motor, it is particularly important to effectively test the reduction motor.

[0003] The existing reduction motor testing method and device have many defects, such as single testing item, low testing precision, low testing efficiency, and inconvenient operation. For example, a gas motor output torque testing machine is disclosed in Chinese Patent No. CN213779502U, in which a first sensor and a first loader work separately to realize torque and speed detection within a range, a second sensor and a second loader work separately to realize torque and speed detection within another range, and when a clutch connects the first loader and the second loader, torque and speed detection within the sum of the loading parameters of the first loader and the second loader can be additionally realized. However, the testing item is relatively single, and only torque testing can be realized. Therefore, it is necessary to provide a multifunctional performance testing platform for a reduction motor, which is convenient to clamp, has high testing precision, realizes testing of multiple functions through clamping of a reduction motor once, and effectively improves testing efficiency and precision. SUMMARY

[0004] The technical problem to be solved by the application is to overcome the defects of the prior art, and a multifunctional performance testing platform for a reduction motor is provided, which is convenient to clamp, has high testing precision, realizes testing of multiple functions through clamping of a reduction motor once, and effectively improves testing efficiency and precision.

[0005] The technical scheme adopted by the present application is: the present application comprises a mounting plate, the mounting plate is sequentially provided with a positioning assembly, a radial swing detection assembly, a torque sensor and a magnetic hysteresis brake in the horizontal direction, the positioning assembly is used for positioning a motor to be tested, the radial swing detection assembly applies a radial force to an output shaft of the motor to be tested, the output shaft of the motor to be tested is drivingly connected with a first rotating tool, the left and right ends of the torque sensor are respectively provided with a first meshing structure and a second rotating tool, the first rotating tool is matched with the first meshing structure, the magnetic hysteresis brake is connected with a second meshing structure, the second rotating tool is matched with the second meshing structure, and the output shaft of the motor to be tested, the first rotating tool, the first meshing structure, the torque sensor, the second rotating tool, the second meshing structure and the magnetic hysteresis brake are sequentially and coaxially arranged. As can be seen from the above scheme, the positioning assembly is used for positioning the motor to be tested, and only the positioning tool needs to be replaced when the product is changed; the radial swing detection assembly is used for applying a radial force to the output shaft of the motor to be tested; the first meshing structure is used for realizing the connection between the torque sensor and the motor to be tested; the torque sensor is used for judging three parameters of motor torque, motor speed and motor direction; the second meshing structure is used for realizing the connection between the magnetic hysteresis brake and the torque sensor; the magnetic hysteresis brake is used for applying an external load to the motor to be tested, and through single clamping of the speed reducer, multiple functions of testing are realized, the functions include noise testing, shaft swing testing, speed testing, vibration testing and torque testing, the testing efficiency and precision are effectively improved, the clamping is convenient, the testing functions are complete, and good practicability is achieved.

[0006] One preferred scheme is that the radial swing detection assembly comprises a servo motor, an output shaft of the servo motor is drivingly connected with a lead screw, the lead screw is connected with a sliding block, the sliding block is provided with a U-shaped block and a displacement sensor, the U-shaped block is provided with two groups of horizontally distributed pulleys, and the two groups of pulleys are symmetrically arranged below the output shaft of the motor to be tested; the displacement sensor is arranged directly below the first rotating tool.

[0007] One preferred scheme is that the U-shaped block is connected with the sliding block through a first equal-height screw, the first equal-height screw is sleeved with a first compression spring, and a pressure sensor is arranged between the U-shaped block and the sliding block.

[0008] One preferred scheme is that the positioning assembly comprises an XY axis adjusting platform, a fixed plate is arranged at the action end of the XY axis adjusting platform, a floating plate is connected with the fixed plate, the floating plate is connected with the fixed plate through a second isometric screw, a second compression spring is sleeved with the second isometric screw, a positioning seat is arranged at the top of the floating plate, the positioning seat is provided with a profiling groove matched with the motor to be measured, and a vibration sensor is arranged at the bottom of the floating plate.

[0009] One preferred scheme is that one end of the positioning seat is hinged with a pressing plate, a pressing block is arranged at the bottom of the pressing plate, a groove matched with the motor to be measured is arranged at the bottom of the pressing block, and a movable buckle is arranged at the other end of the pressing plate.

[0010] One preferred scheme is that the mounting plate is provided with a support frame, and a noise meter is arranged at the upper left of the positioning assembly.

[0011] One preferred scheme is that the support frame is provided with an axial pressure sensor, the axial pressure sensor is arranged in a horizontal direction, and the axial pressure sensor is matched with the floating plate.

[0012] One preferred scheme is that the mounting plate is provided with a first linear module, the driving direction of the first linear module is parallel to the output shaft of the motor to be measured, the action end of the first linear module is provided with a second linear module, the torque sensor is arranged at the action end of the first linear module, and the hysteresis brake is arranged at the action end of the second linear module.

[0013] One preferred scheme is that the mounting plate is provided with a linear guide rail, a sliding plate is slidably arranged on the linear guide rail, the fixed end of the XY axis adjusting platform and the fixed end of the servo motor are arranged on the sliding plate, and positioning blocks are arranged at the front side and the rear side of the sliding plate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a perspective view of the present application; Figure 2 is a plan view of the present application; Figure 3 is a perspective view of the radial swing detection assembly; Figure 4 is a perspective view of the positioning assembly; Figure 5 is a perspective view of the torque sensor and the hysteresis brake; Figure 6 is a plan view of the motor to be measured in the positioning assembly. DETAILED DESCRIPTION

[0015] As Figures 1 to 5 shown in the embodiment, the application comprises a mounting plate 1, which is sequentially provided with a positioning assembly 2, a radial swing detection assembly 3, a torque sensor 4, and a hysteresis brake 5 in the horizontal direction, the positioning assembly 2 is used for positioning a motor to be tested 6, the radial swing detection assembly 3 applies a radial force to the output shaft of the motor to be tested 6, the output shaft of the motor to be tested 6 is drivingly connected with a first rotating tool 7, the left and right ends of the torque sensor 4 are respectively provided with a first meshing structure 8 and a second rotating tool 9, the first rotating tool 7 cooperates with the first meshing structure 8, the hysteresis brake 5 is connected with a second meshing structure 10, the second rotating tool 9 cooperates with the second meshing structure 10, and the output shaft of the motor to be tested 6, the first rotating tool 7, the first meshing structure 8, the torque sensor 4, the second rotating tool 9, the second meshing structure 10, and the hysteresis brake 5 are coaxially arranged.

[0016] The first rotating tool 7 and the second rotating tool 9 are both one-character connecting shafts, the first meshing structure 8 and the second meshing structure 10 are both four-jaw clamps, the positioning assembly 2 is used for positioning the motor to be tested 6, and only the positioning tool needs to be replaced when the product is changed, the radial swing detection assembly 3 is used for applying a radial force to the output shaft of the motor to be tested 6, the first meshing structure 8 is used for realizing the connection between the torque sensor 4 and the motor to be tested 6, the torque sensor 4 is used for judging the motor torque, the motor speed, and the motor direction, the second meshing structure 10 is used for realizing the connection between the hysteresis brake 5 and the torque sensor 4, and the hysteresis brake 5 is used for applying an external load to the motor to be tested 6.

[0017] As Figure 3 shown in the embodiment, the radial swing detection assembly 3 comprises a servo motor 11, the output shaft of the servo motor 11 is drivingly connected with a lead screw 12, the lead screw 12 is connected with a sliding block 13, the sliding block 13 is provided with a U-shaped block 14 and a displacement sensor 15, the U-shaped block 14 is provided with two groups of horizontally distributed pulleys 16, the two groups of pulleys 16 are symmetrically arranged below the output shaft of the motor to be tested 6, and the displacement sensor 15 is arranged directly below the first rotating tool 7. The servo motor 11 drives the lead screw 12 to rotate, drives the sliding block 13 provided with the U-shaped block 14 to rise, the pulleys 16 cooperate with the output shaft of the motor to be tested 6 to apply a radial force to the output shaft of the motor to be tested 6, and the displacement sensor 15 is used for judging the radial swing amount of the motor output shaft.

[0018] As Figures 1 to 5As shown, in this embodiment, the U-shaped block 14 is connected to the slider 13 via a first contour screw, the first contour screw sleeve is provided with a first compression spring, and a pressure sensor 19 is provided between the U-shaped block 14 and the slider 13.

[0019] like Figure 4 As shown, in this embodiment, the positioning assembly 2 includes an XY-axis adjustment platform 20. The action end of the XY-axis adjustment platform 20 is provided with a fixed plate 21, and the fixed plate 21 is connected to a floating plate 22. The floating plate 22 is connected to the fixed plate 21 by a second contour screw. The second contour screw is provided with a second compression spring. The top of the floating plate 22 is provided with a positioning seat 25. The positioning seat 25 has a contoured groove adapted to the motor under test 6. The bottom of the floating plate 22 is provided with a vibration sensor 26. The vibration sensor 26 is used to determine the vibration amplitude of the motor under test 6 during operation and determine whether the vibration is abnormal. The second contour screw and the second compression spring enable the floating of the floating plate 22, which facilitates the vibration sensor 26 to detect the vibration of the motor under test 6. The XY-axis adjustment platform 20 is used to adjust the initial position of the motor and facilitate the concentricity adjustment of the connecting shaft.

[0020] like Figures 4 to 6 As shown, in this embodiment, one end of the positioning seat 25 is hinged with a pressure plate 27, and a pressure block 28 is provided at the bottom of the pressure plate 27. The bottom of the pressure block 28 is provided with a groove adapted to the motor 6 to be tested, and the other end of the pressure plate 27 is provided with an active buckle 29, and the active buckle 29 is flipped together with the positioning seat 25.

[0021] The motor to be tested 6 is double-V positioned by the positioning seat 25 and the pressure block 28. After positioning the motor to be tested 6, the pressure block 28 is quickly opened and closed through the torsion spring, the rotating shaft, the movable buckle 29 and the fixed buckle of the positioning seat 25. The second compression spring realizes floating pressing to avoid inadequate pressing or damage to the product.

[0022] like Figures 1 to 5 As shown, in this embodiment, the mounting plate 1 is provided with a support frame 30 , and the support frame 30 is provided with a sound level meter 31 . The sound level meter 31 is located at the upper left of the positioning component 2 .

[0023] The noise meter 31 collects the noise generated by the motor 6 under test during operation, so as to determine whether the noise of the motor 6 under test is normal.

[0024] like Figures 1 to 5As shown, in this embodiment, the support frame 30 is provided with an axial pressure sensor 32, which is arranged in the horizontal direction and cooperates with the floating plate 22. The axial pressure sensor 32 is used to detect the magnitude of the axial force applied by the first linear module 33.

[0025] like Figures 1 to 5 As shown, in this embodiment, the mounting plate 1 is provided with a linear guide rail 35, and the linear guide rail 35 is slidingly provided with a slide plate 36. The fixed ends of the XY-axis adjustment platform 20 and the servo motor 11 are both provided on the slide plate 36, and the front and rear sides of the slide plate 36 are both provided with positioning blocks 37.

[0026] like Figures 1 to 5 As shown, in this embodiment, the mounting plate 1 is provided with a first linear module 33. The driving direction of the first linear module 33 is parallel to the output shaft of the motor to be tested 6. A second linear module 34 is provided at the operating end of the first linear module 33. The torque sensor 4 is provided at the operating end of the first linear module 33, and the hysteresis brake 5 is provided at the operating end of the second linear module 34. The first linear module 33 is a servo screw assembly. The first linear module 33 is used to achieve the engagement and disengagement of the first meshing structure 8 and the application of axial force, thereby realizing the start and stop detection of the torque sensor 4. The second linear module 34 is used to achieve the engagement and disengagement of the second meshing structure 10 and the application and release of the force applied by the hysteresis brake 5.

[0027] Although the embodiments of the present invention are described with practical solutions, they do not limit the meaning of the present invention. For those skilled in the art, it is obvious to modify the implementation scheme and combine it with other solutions based on this description.

Claims

1. A multifunctional reduction motor performance test platform, comprising a mounting plate (1), characterized in that: The mounting plate (1) is provided with a positioning component (2), a radial swing detection component (3), a torque sensor (4), and a hysteresis brake (5) in sequence along the horizontal direction. The positioning component (2) is used to position the motor to be tested (6). The radial swing detection component (3) applies a radial force to the output shaft of the motor to be tested (6). The output shaft of the motor to be tested (6) is connected to a first rotating tool (7). The left and right ends of the torque sensor (4) are respectively provided with a first meshing structure (8) and a second rotating tool (9). The first rotating tool (7) cooperates with the first meshing structure (8). The hysteresis brake (5) is connected to a second meshing structure (10). The second rotating tool (9) cooperates with the second meshing structure (10). The output shaft of the motor to be tested (6), the first rotating tool (7), the first meshing structure (8), the torque sensor (4), the second rotating tool (9), the second meshing structure (10), and the hysteresis brake (5) are coaxially arranged.

2. The multifunctional reduction motor performance testing platform according to claim 1 is characterized in that: The radial swing detection component (3) includes a servo motor (11), the output shaft of the servo motor (11) is connected to a screw (12), the screw (12) is connected to a slider (13), the slider (13) is provided with a U-shaped block (14) and a displacement sensor (15), the U-shaped block (14) is provided with two groups of pulleys (16) distributed horizontally, the two groups of pulleys (16) are symmetrically arranged below the output shaft of the motor to be tested (6), and the displacement sensor (15) is arranged directly below the first rotary tooling (7).

3. The multifunctional reduction motor performance testing platform according to claim 2 is characterized in that: The U-shaped block (14) is connected to the slider (13) via a first contour screw, the first contour screw sleeve is provided with a first compression spring, and a pressure sensor (19) is provided between the U-shaped block (14) and the slider (13).

4. The multifunctional reduction motor performance testing platform according to claim 2, characterized in that: The positioning assembly (2) includes an XY-axis adjustment platform (20), an action end of the XY-axis adjustment platform (20) is provided with a fixed plate (21), the fixed plate (21) is connected to a floating plate (22), the floating plate (22) is connected to the fixed plate (21) via a second contour screw, the second contour screw sleeve is provided with a second compression spring, a positioning seat (25) is provided on the top of the floating plate (22), the positioning seat (25) is provided with a contoured groove adapted to the motor to be tested (6), and a vibration sensor (26) is provided at the bottom of the floating plate (22).

5. The multifunctional reduction motor performance testing platform according to claim 4 is characterized in that: One end of the positioning seat (25) is hinged with a pressure plate (27), the bottom of the pressure plate (27) is provided with a pressure block (28), the bottom of the pressure block (28) is provided with a groove adapted to the motor to be tested (6), and the other end of the pressure plate (27) is provided with an active buckle (29), and the active buckle (29) is buckled with the positioning seat (25).

6. The multifunctional reduction motor performance testing platform according to claim 4 is characterized in that: The mounting plate (1) is provided with a support frame (30), and the support frame (30) is provided with a noise meter (31), and the noise meter (31) is located at the upper left of the positioning component (2).

7. The multifunctional reduction motor performance testing platform according to claim 6, characterized in that: The support frame (30) is provided with an axial pressure sensor (32), the axial pressure sensor (32) is arranged in a horizontal direction, and the axial pressure sensor (32) cooperates with the floating plate (22).

8. The multifunctional reduction motor performance testing platform according to claim 1 is characterized in that: The mounting plate (1) is provided with a first linear module (33), the driving direction of the first linear module (33) is parallel to the output shaft of the motor to be tested (6), the action end of the first linear module (33) is provided with a second linear module (34), the torque sensor (4) is provided at the action end of the first linear module (33), and the hysteresis brake (5) is provided at the action end of the second linear module (34).

9. The multifunctional reduction motor performance testing platform according to claim 4, characterized in that: The mounting plate (1) is provided with a linear guide rail (35), and the linear guide rail (35) is slidably provided with a slide plate (36). The fixed ends of the XY axis adjustment platform (20) and the servo motor (11) are both provided on the slide plate (36), and the front and rear sides of the slide plate (36) are both provided with positioning blocks (37).

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