A performance detection device under the jitter state of a motor

Abstract

The present invention discloses a performance detection device under the jitter state of a motor, which includes a support plate. A jitter component is arranged on the support plate, and a workbench is arranged on the jitter component. A driving component is arranged on the lower end surface of the workbench, and symmetrically arranged movable components are arranged on the driving component. A first mounting slider and a second mounting slider are fixedly installed on the movable component, and the first mounting slider and the second mounting slider are slidably installed on the workbench. A main control motor is fixedly installed on the first mounting slider. The present invention relates to the technical field of motor performance detection. For this performance detection device under the jitter state of the motor, by rotatably installing the connecting head on the rotatable turntable, the rotation of the turntable can be used to select different connecting heads according to test motors of different sizes, and at the same time, the stability of the connecting head during rotation is ensured, realizing the flexible rotation and installation of the connecting head, and improving the reliability and stability of the connecting head.

Description

Technical Field

[0001] The present invention relates to the technical field of motor performance detection, and specifically to a performance detection device for a motor under a jitter state. Background Art

[0002] As a driving and controlling component, motors are widely used in various fields. A piece of equipment often requires multiple motors. Once a motor fails, it will lead to equipment and system failures, causing huge economic losses in the industrial field. Therefore, the durability problem of motors has become a major issue in the modern technical field and has attracted attention. Among them, when conducting sampling standard detection on stepping motors, special attention is paid to performance such as the driving ability and motion continuity of the stepping motors.

[0003] When the existing motors are subjected to performance detection, another motor needs to be installed to connect the output shaft with the motor under test. This testing method is called "complementary testing" or "comparative testing". When connecting, a connector is usually used. Since the size of the connector is fixed, when testing different motors, different connectors are required. However, when using and installing different connectors, it is not flexible enough and takes a long installation time. Therefore, the present invention proposes a performance detection device for a motor under a jitter state to solve the above-mentioned problems. Summary of the Invention

[0004] Aiming at the deficiencies of the prior art, the present invention provides a performance detection device for a motor under a jitter state, which solves the problem that during the existing performance detection process, when testing different motors, the installation is not flexible enough and takes a long installation time when replacing the connector.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions:

[0006] A performance detection device for a motor under a jitter state, including a support plate, a jitter component is arranged on the support plate, a workbench is arranged on the jitter component, a driving component is arranged on the lower end surface of the workbench, symmetrically arranged movable components are arranged on the driving component, a first installation slider and a second installation slider are fixedly installed on the movable components, the first installation slider and the second installation slider are slidably installed on the workbench, a main control motor is fixedly installed on the first installation slider, a clamping component is arranged on the second installation slider, a test motor is arranged on the clamping component, a driving output shaft is fixedly installed at the output end of the main control motor, and a driven output shaft is fixedly installed at the output end of the test motor;

[0007] The lower end face of the workbench is fixedly installed with symmetrically arranged mounting plates. A turntable is rotatably installed on the mounting plates. A plurality of rotating blocks are rotatably installed on the turntable. A connecting head is fixedly installed inside the plurality of rotating blocks. One end of the connecting head is provided with a first positioning hole adapted to the active output shaft, and the other end of the connecting head is provided with a second positioning hole adapted to the driven output shaft. The apertures of the second positioning holes on the plurality of rotating blocks are set to different sizes.

[0008] Preferably, the driving assembly includes a positioning plate fixedly installed on the lower end face of the workbench and located outside the mounting plate. A first driving motor is fixedly installed on the positioning plate. The output end of the first driving motor is fixedly installed with a rotating shaft, and two driving gears are fixedly installed on the rotating shaft.

[0009] Preferably, the movable assembly includes two vertical plates fixedly installed on the upper end face of the workbench. A first threaded cylinder and a second threaded cylinder are respectively rotatably installed on the two vertical plates. A first threaded rod is threadedly installed inside the first threaded cylinder. One end of the first threaded rod away from the first threaded cylinder is fixedly installed on a first mounting slider. A second threaded rod is threadedly installed inside the second threaded cylinder. One end of the second threaded rod away from the second threaded cylinder is fixedly installed on a second mounting slider. Driven gears are fixedly installed on both the first threaded cylinder and the second threaded cylinder, and the driving gear meshes with the driven gears.

[0010] Preferably, the clamping assembly includes two symmetrically installed L-shaped plates fixedly installed on the second mounting slider. Electric push rods are fixedly installed on both the L-shaped plates. The output end of the electric push rod is fixedly installed with a clamping block, and the position of the test motor is fixed by the two clamping blocks.

[0011] Preferably, a fastening assembly is provided on the rotating block. The fastening assembly includes a plurality of mounting brackets. A rotating shaft is rotatably installed inside each of the plurality of mounting brackets. A pressing plate is fixedly installed on the rotating shaft. A torsion spring is fixedly installed on the pressing plate. One end of the torsion spring away from the pressing plate is fixedly installed on the mounting bracket. The position of the torsion spring is outside the rotating shaft, and the end of the pressing plate is provided with an arc-shaped surface.

[0012] Preferably, the shaking assembly includes a pushing assembly and a resetting assembly. The pushing assembly includes two symmetrically arranged side plates. A second driving motor is fixedly installed on the side plate. The output end of the second driving motor is fixedly installed with a rotating rod, and a cam is fixedly installed on the rotating rod.

[0013] Preferably, the reset component includes a U-shaped frame plate and a lifting plate. The U-shaped frame plate is fixedly installed at the inner bottom of the support plate, the upper end surface of the lifting plate is fixedly installed on the workbench, a first lifting groove and a second lifting groove are arranged inside the U-shaped frame plate, a first spring is fixedly installed at the inner top of the first lifting groove, the bottom end of the first spring is fixedly installed on the lifting plate, a second spring is fixedly installed at the inner bottom of the second lifting groove, and the top end of the second spring is fixedly installed on the lifting plate.

[0014] Preferably, a stabilizing component is arranged on the workbench. The stabilizing component includes an L-shaped stabilizing plate. A positioning rod is slidably installed on the stabilizing plate. A stabilizing groove is formed on the inner side surface of the support plate. The positioning rod is fixedly installed inside the stabilizing groove. A third spring is arranged on the stabilizing plate and outside the positioning rod. One end of the third spring away from the stabilizing plate is fixedly installed inside the stabilizing groove.

[0015] Preferably, symmetrically arranged fixing plates are fixedly installed on the workbench and outside the mounting plate. A fastening bolt is threadedly installed on the fixing plate. A plurality of threaded holes are formed on the turntable. The end of the fastening bolt is inside the threaded hole.

[0016] Preferably, a rotating groove adapted to the turntable is formed on the workbench, and a driving groove is arranged on the workbench and outside the rotating groove. Beneficial effects

[0017] The present invention provides a performance detection device for a motor in a jitter state. Compared with the prior art, the following beneficial effects are achieved:

[0018] 1. For the performance detection device for a motor in a jitter state, by rotating the turntable to adapt the size of the driven output shaft in the test motor, so that the second positioning hole on the connector is adapted to the driven output shaft, then the main control motor and the test motor are respectively installed on the first installation slider and the second installation slider, then the active output shaft on the main control motor 1 is inserted into the first positioning hole on the connector, and then the driven output shaft of the test motor is inserted into the second positioning hole on the connector. By rotating the rotating shaft on the turntable, the performance detection of the test motor is completed. By using the rotation of the disc, it is convenient to test test motors of different sizes, and at the same time, the stability of the connector during rotation is ensured, realizing the flexible rotation and installation of the connector, and improving the reliability and stability of the connector;

[0019] 2. The performance detection device for the motor in the jitter state drives the driving gear on the rotating shaft to rotate through the first driving motor in the driving component, and utilizes the meshing of the driving gear and the driven gear to drive the rotation of the first threaded cylinder and the second threaded cylinder on the driven gear. The first threaded rod and the second threaded rod in the first threaded cylinder and the second threaded cylinder will rotate and move outward. Through the pushing of the first threaded rod and the second threaded rod, it is convenient to synchronously move the main control motor on the first mounting slider and the test motor on the second mounting slider inward, so that the movement distances between the two motors are kept consistent, thereby improving the efficiency of the test motor during the test;

[0020] 3. For the performance detection device for the motor in the jitter state, when the driving output shaft is inserted into the first positioning hole and the driven output shaft is inserted into the second positioning hole, through the pushing of the driving output shaft and the driven output shaft, the pressing plate outside the first positioning hole and the second positioning hole will be rotated outward. When the driving output shaft and the driven output shaft are completely inserted into the internal parts of the first positioning hole and the second positioning hole, the pressing plate will be attached to the driving output shaft and the driven output shaft through the torsion of the torsion spring, improving the firmness between the driving output shaft and the first positioning hole and between the driven output shaft and the second positioning hole, so that the test motor will not fall off during the test, and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of the overall structure of the present invention Figure 1 ;

[0022] Figure 2 Schematic diagram of the overall structure of the present invention Figure 2 ;

[0023] Figure 3 Bottom view of the workbench of the present invention;

[0024] Figure 4 Schematic diagram of the structure of the turntable in the present invention;

[0025] Figure 5 Schematic diagram of the structure of the rotating block in the present invention;

[0026] Figure 6 Cross-sectional view of the rotating block in the present invention;

[0027] Figure 7 Schematic diagram of the structure of the driving component in the present invention;

[0028] Figure 8 Cross-sectional view of the U-shaped support plate in the present invention;

[0029] Figure 9 Cross-sectional view of the support plate in the present invention;

[0030] Figure 10This is a cross-sectional view of the turntable in the present invention.

[0031] In the figure: 1, support plate; 2, workbench; 3, first mounting slider; 4, second mounting slider; 5, main control motor; 6, test motor; 7, active output shaft; 8, driven output shaft; 9, mounting plate; 10, turntable; 11, rotating block; 12, connecting head; 13, first positioning hole; 14, second positioning hole; 15, positioning plate; 16, first driving motor; 17, rotating shaft; 18, driving gear; 19, vertical plate; 20, first threaded cylinder; 21, second threaded cylinder; 22, first threaded rod; 23, second threaded rod; 24, driven gear; 25, L-shaped plate; 26, electric push rod; 27, clamping block; 28, mounting frame plate; 29, rotating shaft; 30, pressing plate; 31, side plate; 32, torsion spring; 33, second driving motor; 34, rotating rod; 35, cam; 36, U-shaped frame plate; 37, lifting plate; 38, first lifting groove; 39, second lifting groove; 40, first spring; 41, second spring; 42, stabilizing plate; 43, positioning rod; 44, stabilizing groove; 45, third spring; 46, fixing plate; 47, fastening bolt; 48, threaded hole; 49, rotating groove; 50, driving groove. Detailed implementation mode

[0032] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Embodiment

[0033] Please refer to Figure 1-8 , the present invention is a performance detection device under the state of motor jitter, including a support plate 1, a jitter component is arranged on the support plate 1, a workbench 2 is arranged on the jitter component, a driving component is arranged on the lower end surface of the workbench 2, symmetrically arranged movable components are arranged on the driving component, a first mounting slider 3 and a second mounting slider 4 are fixedly installed on the movable components, the first mounting slider 3 and the second mounting slider 4 are slidably installed on the workbench 2, a main control motor 5 is fixedly installed on the first mounting slider 3, a clamping component is arranged on the second mounting slider 4, a test motor 6 is arranged on the clamping component, the output end of the main control motor 5 is fixedly installed with an active output shaft 7, the output end of the test motor 6 is fixedly installed with a driven output shaft 8, limiting sliders are arranged on the lower end surfaces of the first mounting slider 3 and the second mounting slider 4, limiting chutes are opened on the workbench 2, and the limiting sliders are slidably limited with the limiting chutes;

[0034] The lower end face of the workbench 2 is fixedly installed with symmetrically arranged mounting plates 9. A turntable 10 is rotatably installed on the mounting plates 9. A plurality of rotating blocks 11 are rotatably installed on the turntable 10. A connecting head 12 is fixedly installed inside the plurality of rotating blocks 11. One end of the connecting head 12 is provided with a first positioning hole 13 adapted to the driving output shaft 7, and the other end of the connecting head 12 is provided with a second positioning hole 14 adapted to the driven output shaft 8. The apertures of the second positioning holes 14 on the plurality of rotating blocks 11 are set to different sizes. A rotating groove 49 adapted to the turntable 10 is opened on the workbench 2, and the rotating groove 49 ensures that the turntable 10 can rotate on the workbench 2;

[0035] The jitter assembly includes a pushing assembly and a reset assembly. The pushing assembly includes two symmetrically arranged side plates 31. A second driving motor 33 is fixedly installed on the side plates 31. The output end of the second driving motor 33 is fixedly installed with a rotating rod 34, and a cam 35 is fixedly installed on the rotating rod 34.

[0036] The reset assembly includes a U-shaped frame plate 36 and a lifting plate 37. The U-shaped frame plate 36 is fixedly installed on the inner bottom of the support plate 1. The upper end face of the lifting plate 37 is fixedly installed on the workbench 2. A first lifting groove 38 and a second lifting groove 39 are arranged inside the U-shaped frame plate 36. A first spring 40 is fixedly installed at the inner top of the first lifting groove 38, and the bottom end of the first spring 40 is fixedly installed on the lifting plate 37. A second spring 41 is fixedly installed at the inner bottom of the second lifting groove 39, and the top end of the second spring 41 is fixedly installed on the lifting plate 37;

[0037] A stabilizing assembly is arranged on the workbench 2. The stabilizing assembly includes an L-shaped stabilizing plate 42. The stabilizing plate 42 is fixedly installed on the lower end face of the workbench 2. A positioning rod 43 is slidably installed on the stabilizing plate 42. A stabilizing groove 44 is opened on the inner side surface of the support plate 1, and the positioning rod 43 is fixedly installed inside the stabilizing groove 44. A third spring 45 is arranged on the stabilizing plate 42 and outside the positioning rod 43. One end of the third spring 45 away from the stabilizing plate 42 is fixedly installed inside the stabilizing groove 44. A circular hole adapted to the rotating shaft 17 is opened on the lifting plate 37, and the rotating shaft 17 is rotatably installed with the circular hole.

[0038] Symmetrically arranged fixing plates 46 are fixedly installed on the workbench 2 and outside the mounting plates 9. A fastening bolt 47 is threadedly installed on the fixing plates 46. A plurality of threaded holes 48 are opened on the turntable 10. The end of the fastening bolt 47 is inside the threaded hole 48. Through holes are opened on both the mounting plate 9 and the turntable 10, and the hole diameter of the through hole is larger than the rod diameter of the rotating shaft 17, which is convenient for the end of the rotating shaft 17 away from the first driving motor 16 to pass through the through hole and be rotatably installed with the positioning plate 15.

[0039] In this embodiment, by rotating the turntable 10 with respect to the size of the driven output shaft 8 of the test motor 6, the second positioning hole 14 on the connector 12 is adapted to the driven output shaft 8. Then, the main control motor 5 and the test motor 6 are respectively installed on the first mounting slider 3 and the second mounting slider 4. Then, the driving output shaft 7 of the main control motor 5 is inserted into the first positioning hole 13 on the connector 12, and the driven output shaft 8 of the test motor 6 is inserted into the second positioning hole 14 on the connector 12. The rotation shaft 17 rotates on the turntable 10, thereby completing the performance detection of the test motor 6. By using the rotation of the disc, it is convenient to test test motors 6 of different sizes, and at the same time, the stability of the connector 12 during rotation is ensured, realizing the flexible rotation and installation of the connector 12, and improving the reliability and stability of the connector 12. Embodiment

[0040] On the basis of Embodiment 1, the driving assembly includes a positioning plate 15. The positioning plate 15 is fixedly installed on the lower end surface of the workbench 2 and is located outside the mounting plate 9. A first driving motor 16 is fixedly installed on the positioning plate 15. The output end of the first driving motor 16 is fixedly installed with a rotation shaft 17. Two driving gears 18 are fixedly installed on the rotation shaft 17. The power source of the first driving motor 16 can be installed on the workbench 2, and it is only necessary to ensure that the first driving motor 16 can drive normally.

[0041] The movable assembly includes two vertical plates 19. The two vertical plates 19 are fixedly installed on the upper end surface of the workbench 2. A first threaded cylinder 20 and a second threaded cylinder 21 are respectively rotatably installed on the two vertical plates 19. A first threaded rod 22 is threadedly installed inside the first threaded cylinder 20. The end of the first threaded rod 22 away from the first threaded cylinder 20 is fixedly installed on the first mounting slider 3. A second threaded rod 23 is threadedly installed inside the second threaded cylinder 21. The end of the second threaded rod 23 away from the second threaded cylinder 21 is fixedly installed on the second mounting slider 4. Driven gears 24 are fixedly installed on both the first threaded cylinder 20 and the second threaded cylinder 21. The driving gear 18 meshes with the driven gear 24. The internal structures of the first threaded cylinder 20 and the second threaded cylinder 21 are internal threads. The first threaded rod 22 and the second threaded rod 23 are driven to move through the internal threads. Since this technology is well-known to those skilled in the art, no specific elaboration is made here.

[0042] The clamping assembly includes two symmetrically installed L-shaped plates 25. The two L-shaped plates 25 are fixedly installed on the second mounting slider 4. Electric push rods 26 are fixedly installed on both the two L-shaped plates 25. The output end of the electric push rod 26 is fixedly installed with a clamping block 27. The position of the test motor 6 is fixed by the two clamping blocks 27. A driving groove 50 is provided on the workbench 2 and outside the rotating groove 49, which facilitates the meshing of the driving gear 18 and the driven gear 24.

[0043] In this embodiment, the first drive motor 16 in the drive assembly drives the drive gear 18 on the rotating shaft 17 to rotate. The drive gear 18 meshes with the driven gear 24, thereby driving the first threaded cylinder 20 and the second threaded cylinder 21 on the driven gear 24 to rotate. The first threaded rod 22 and the second thread in the first threaded cylinder 20 and the second threaded cylinder 21 will rotate and move outward. Through the pushing of the first threaded rod 22 and the second threaded rod 23, it is convenient to synchronously move the main control motor 5 on the first mounting slider 3 and the test motor 6 on the second mounting slider 4 inward, so that the movement distances between the two motors are kept consistent, thereby improving the efficiency of the test motor 6 during testing. Embodiment

[0044] On the basis of the first embodiment, a fastening assembly is provided on the rotating block 11. The fastening assembly includes a plurality of mounting plates 28. The plurality of mounting plates 28 are all fixedly installed on the connecting head 12. A rotating shaft 29 is rotatably installed inside each of the plurality of mounting plates 28. A pressing plate 30 is fixedly installed on the rotating shaft 29. A torsion spring 32 is fixedly installed on the pressing plate 30. One end of the torsion spring 32 away from the pressing plate 30 is fixedly installed on the mounting plate 28. The position of the torsion spring 32 is outside the rotating shaft 29. The end of the pressing plate 30 is provided with an arc surface, and it is convenient for the driving output shaft 7 and the driven output shaft 8 to push the pressing plates 30 that are closed together outward through the arc surface.

[0045] In this embodiment, when the driving output shaft 7 is inserted into the first positioning hole 13 and the driven output shaft 8 is inserted into the second positioning hole 14, through the pushing of the driving output shaft 7 and the driven output shaft 8, the pressing plate 30 outside the first positioning hole 13 and the second positioning hole 14 will be rotated outward. When the driving output shaft 7 and the driven output shaft 8 are completely inserted into the first positioning hole 13 and the second positioning hole 14, the pressing plate 30 will fit on the driving output shaft 7 and the driven output shaft 8 through the torsion of the torsion spring 32, improving the firmness between the driving output shaft 7 and the first positioning hole 13 and between the driven output shaft 8 and the second positioning hole 14, so that the test motor 6 will not fall off during testing, and improving the practicability of the device.

[0046] Working principle:

[0047] During use, place the test motor 6 on the second mounting slider 4, drive the clamping block 27 to move inward through the electric push rod 26, install the test motor 6 on the second mounting slider 4, and select the connecting head 12 on the turntable 10 according to the size of the driven output shaft 8 on the test motor 6;

[0048] When selecting, turn the fastening bolt 47 to disengage it from the threaded hole 48 on the turntable 10. Then, turn the turntable 10 so that the selected connector 12 and the driven output shaft 8 of the test motor 6 are on the same horizontal plane. Next, reinstall the fastening bolt 47 into the threaded hole 48 on the turntable 10 to complete the fixation of the position of the turntable 10.

[0049] Then, drive the rotating shaft 17 to rotate by the first driving motor 16. When the rotating shaft 17 rotates, it will drive two driving gears 18 to rotate. By using the meshing of the driving gears 18 and the driven gears 24, when the driven gears 24 rotate, they will drive the first threaded barrel 20 and the second threaded barrel 21 to rotate on the two vertical plates 19 respectively. When the first threaded barrel 20 rotates, the first threaded rod 22 rotates horizontally. When the first threaded rod 22 moves, it will push the first mounting slider 3 towards the turntable 10. At the same time, when the second threaded barrel 21 rotates, the second threaded rod 23 rotates horizontally. When the second threaded rod 23 moves, it will push the second mounting slider 4 towards the turntable 10. When the first mounting slider 3 and the second mounting slider 4 move, the driving output shaft 7 on the main control motor 5 will be inserted into the first positioning hole 13 of the connector 12, and the driven output shaft 8 of the test motor 6 will be inserted into the second positioning hole 14 of the connector 12. At this time, stop the first driving motor 16.

[0050] During the test, drive the rotating rod 34 to rotate by the second driving motor 33. When the rotating rod 34 rotates, it will drive the cam 35 to rotate. When the cam 35 rotates a certain angle, it will push the lifting plate 37 in the first lifting groove 38 and the second lifting groove 39 to rise. When the lifting plate 37 is not pushed by the cam 35, the lifting plate 37 will be in a jittering state through the elasticity of the first spring 40 and the second spring 41. Since the lifting plate 37 is installed on the workbench 2, the workbench 2 is in a jittering state. Through this jittering state, the performance test of the test motor 6 will be better.

[0051] In this technical solution, the first lifting groove 38 and the second lifting groove 39 do not match the lifting plate 37, and the stabilizing groove 44 does not match the stabilizing plate 42. When the lifting plate 37 rises and falls in the first lifting groove 38 and the second lifting groove 39, it will be in a jittering state through the elastic force of the spring. And when detecting the performance of the motor, it is necessary to connect the output shafts of another motor (referred to as the "reference motor") and the motor under test. This method is called "complementary test" or "comparative test". The purpose of the complementary test is to detect whether the performance of the motor under test is the same as that of the reference motor by connecting the reference motor and the motor under test. If the performance of the motor under test is the same as that of the reference motor, then it can be judged that the performance of the motor under test is normal.

[0052] The control method in this technology is automatically controlled by a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art, which belongs to the common general knowledge in this field. And this application mainly aims to protect mechanical devices, so the motor control method and the circuit connection relationship will not be explained in detail in this technical solution.

[0053] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0054] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A performance detection device under the motor jitter state, comprising a support plate (1), characterized in that: A shaking component is arranged on the support plate (1), a workbench (2) is arranged on the shaking component, a driving component is arranged on the lower end surface of the workbench (2), symmetrically arranged movable components are arranged on the driving component, a first mounting slider (3) and a second mounting slider (4) are fixedly installed on the movable component, the first mounting slider (3) and the second mounting slider (4) are slidably installed on the workbench (2), a main control motor (5) is fixedly installed on the first mounting slider (3), a clamping component is arranged on the second mounting slider (4), a test motor (6) is arranged on the clamping component, the output end of the main control motor (5) is fixedly installed with a main driving output shaft (7), and the output end of the test motor (6) is fixedly installed with a driven output shaft (8); Symmetrically arranged mounting plates (9) are fixedly installed on the lower end surface of the workbench (2), a turntable (10) is rotatably installed on the mounting plate (9), a plurality of rotating blocks (11) are rotatably installed on the turntable (10), a connecting head (12) is fixedly installed inside the plurality of rotating blocks (11), a first positioning hole (13) adapted to the main driving output shaft (7) is opened at one end of the connecting head (12), a second positioning hole (14) adapted to the driven output shaft (8) is opened at the other end of the connecting head (12), and the diameters of the second positioning holes (14) on the plurality of rotating blocks (11) are set to different sizes; The driving component includes a positioning plate (15), the positioning plate (15) is fixedly installed on the lower end surface of the workbench (2) and is located outside the mounting plate (9), a first driving motor (16) is fixedly installed on the positioning plate (15), a rotating shaft (17) is fixedly installed at the output end of the first driving motor (16), and two driving gears (18) are fixedly installed on the rotating shaft (17); The movable component includes two vertical plates (19), the two vertical plates (19) are fixedly installed on the upper end surface of the workbench (2), a first threaded cylinder (20) and a second threaded cylinder (21) are respectively rotatably installed on the two vertical plates (19), a first threaded rod (22) is threadedly installed inside the first threaded cylinder (20), one end of the first threaded rod (22) away from the first threaded cylinder (20) is fixedly installed on the first mounting slider (3), a second threaded rod (23) is threadedly installed inside the second threaded cylinder (21), one end of the second threaded rod (23) away from the second threaded cylinder (21) is fixedly installed on the second mounting slider (4), driven gears (24) are fixedly installed on both the first threaded cylinder (20) and the second threaded cylinder, and the driving gear (18) is meshed with the driven gear (24).

2. The performance detection device under the motor jitter state according to claim 1, wherein: The clamping assembly includes two symmetrically installed L-shaped plates (25), the two L-shaped plates (25) are fixedly installed on the second mounting slider (4), electric push rods (26) are fixedly installed on both of the two L-shaped plates (25), a clamping block (27) is fixedly installed at the output end of the electric push rod (26), and the position of the test motor (6) is fixed by the two clamping blocks (27).

3. The performance detection device under the motor jitter state according to claim 2, wherein: A fastening assembly is arranged on the rotating block (11), the fastening assembly includes a plurality of mounting frame plates (28), a rotating shaft (29) is rotatably installed inside each of the plurality of mounting frame plates (28), a pressing plate (30) is fixedly installed on the rotating shaft (29), a torsion spring (32) is fixedly installed on the pressing plate (30), one end of the torsion spring (32) away from the pressing plate (30) is fixedly installed on the mounting frame plate (28), the position of the torsion spring (32) is outside the rotating shaft (29), and the end of the pressing plate (30) is set as an arc surface.

4. The performance detection device under the motor jitter state according to claim 3, characterized in that: The shaking assembly includes a pushing assembly and a reset assembly, the pushing assembly includes two symmetrically arranged side plates (31), a second driving motor (33) is fixedly installed on the side plate (31), a rotating rod (34) is fixedly installed at the output end of the second driving motor (33), and a cam (35) is fixedly installed on the rotating rod (34).

5. The performance detection device under the motor jitter state according to claim 4, characterized in that: The reset assembly includes a U-shaped frame plate (36) and a lifting plate (37), the U-shaped frame plate (36) is fixedly installed at the inner bottom of the support plate (1), the upper end surface of the lifting plate (37) is fixedly installed on the workbench (2), a first lifting groove (38) and a second lifting groove (39) are arranged inside the U-shaped frame plate (36), a first spring (40) is fixedly installed at the inner top of the first lifting groove (38), the bottom end of the first spring (40) is fixedly installed on the lifting plate (37), a second spring (41) is fixedly installed at the inner bottom of the second lifting groove (39), and the top end of the second spring (41) is fixedly installed on the lifting plate (37).

6. The performance detection device under the motor jitter state according to claim 5, characterized in that: A stabilizing assembly is arranged on the workbench (2), the stabilizing assembly includes an L-shaped stabilizing plate (42), a positioning rod (43) is slidably installed on the stabilizing plate (42), a stabilizing groove (44) is formed on the inner side surface of the support plate (1), the positioning rod (43) is fixedly installed inside the stabilizing groove (44), and a third spring (45) is arranged on the stabilizing plate (42) and outside the positioning rod (43), and one end of the third spring (45) away from the stabilizing plate (42) is fixedly installed inside the stabilizing groove (44).

7. The performance detection device under the motor jitter state according to claim 6, characterized in that: Symmetrically arranged fixing plates (46) are fixedly installed on the workbench (2) and outside the mounting plate (9), a fastening bolt (47) is threadedly installed on the fixing plate (46), a plurality of threaded holes (48) are formed on the turntable (10), and the end of the fastening bolt (47) is inside the threaded hole (48).

8. The performance detection device under the motor jitter state according to claim 7, characterized in that: A rotating groove (49) adapted to the turntable (10) is formed in the workbench (2), and a driving groove (50) is arranged on the workbench (2) and outside the rotating groove (49).

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