Driving motor performance detection device

Abstract

The invention discloses a driving motor performance detection device, and relates to the technical field of motor electric detection, the driving motor performance detection device comprises a motor performance detection box, the side surface of the motor performance detection box is rotatably provided with a sealing plate, the motor performance detection box is internally provided with a placing rack and a lifting unit, and the lifting unit is provided with a detection discharging plate; a fixing unit and a to-be-detected motor are installed on the detection discharging plate, and a detection unit is installed on the placing frame. The beneficial effects are that in the detection process, the output shaft of the to-be-detected motor adjusts the resistance value of the slide rheostat through the ball assembly, the slide bar and the baffle plate, and the eccentricity degree of the output shaft of the to-be-detected motor is determined through the resistance value change of the slide rheostat; the contact position of the ball assembly and the to-be-detected motor output shaft is adjusted through the driving assembly, the driving gear and the driven gear, different positions can be detected when the to-be-detected motor output shaft rotates, multiple sets of data can be collected when the to-be-detected motor output shaft rotates, errors are reduced, and the accuracy of the detection result is guaranteed.

Description

Technical Field

[0001] The present invention relates to the technical field of motor detection, and in particular to a driving motor performance detection device. Background Art

[0002] As the power source of various machines, motors are widely used in industrial production. Motor performance testing is usually required before leaving the factory to improve the quality of the motor. Motor performance testing generally includes electrical performance testing and mechanical performance testing. The mechanical performance testing of the motor includes vibration testing, noise testing, speed testing, overspeed testing and output torque testing. Among them, the vibration testing of the motor is to detect whether the output shaft of the motor produces eccentric rotation during normal operation to detect whether it produces vibration and the magnitude of the vibration.

[0003] By comparing with the existing technologies in related fields, it can be seen that when the existing motor detection device performs detection, only the fixed position of the motor to be detected is detected. The eccentric position of the output shaft of the motor to be detected is uncertain. Only the fixed position of the motor to be detected is detected, which causes errors in the detection results of the output shaft of the motor to be detected, affecting the accuracy of the detection results. Summary of the invention

[0004] The purpose of the present invention is to provide a driving motor performance detection device in order to solve the above-mentioned problem.

[0005] The present invention achieves the above-mentioned purpose through the following technical solutions: A drive motor performance detection device comprises a motor performance detection box, a sealing plate is rotatably installed on the side of the motor performance detection box, a placement rack and a lifting unit are installed inside the motor performance detection box, a detection discharge plate is installed on the lifting unit, a fixing unit and a motor to be detected are installed on the detection discharge plate, and a detection unit is installed on the placement rack; The detection unit on the placement rack includes a first bidirectional screw and a mounting box, an adjusting mechanism is installed on the placement rack, the first bidirectional screw is rotatably installed on the adjusting mechanism, the threads at both ends of the first bidirectional screw are in opposite directions, a handwheel is installed at the end of the first bidirectional screw, the first sliders are threadedly connected on the opposite threads at both ends of the first bidirectional screw, the mounting box is installed on the first slider, a sliding rheostat is installed inside the mounting box, a sliding rod is slidably installed on the mounting box, a ball assembly is installed at the end of the sliding rod, a baffle is installed on the part of the sliding rod located in the mounting box, the baffle is connected to the sliding plate of the sliding rheostat, and the ball assembly is slidably connected to the output shaft of the motor to be detected.

[0006] Furthermore, a spring is sleeved on the portion of the slide bar located in the installation box, and two ends of the spring are respectively connected to the baffle and the installation box.

[0007] Furthermore, the adjustment mechanism on the placement rack includes a driving assembly and a driven gear. The driving assembly is installed on the placement rack. A driving gear is installed on the output shaft of the driving assembly. The driven gear is rotatably installed on the placement rack. The driven gear is meshed and connected to the driving gear. A first mounting frame is installed on the driven gear, and the first mounting frame is rotatably connected to a first bidirectional screw.

[0008] Furthermore, the sliding bar is square.

[0009] Furthermore, the fixed unit on the detection discharge plate includes a motor clamping plate and a limit plate. A displacement mechanism and a limit plate are installed on the detection discharge plate. The motor clamping plate is installed on the displacement mechanism. The motor clamping plate is located on both sides of the motor to be detected. Anti-slip teeth are arranged obliquely on the motor clamping plate. The directions of the anti-slip teeth on the motor clamping plate are opposite. The adjustment mechanism drives the motor to be detected to be pressed tightly against the limit plate.

[0010] Furthermore, the displacement mechanism on the detection and discharge plate includes a screw rod, which is rotatably installed on the detection and discharge plate, and a second slider is rotatably installed on the screw rod, and the second slider is slidably connected to the detection and discharge plate, and a second mounting frame is installed on the second slider, and a second bidirectional screw is rotatably installed on the second mounting frame, and hand wheels are installed on the ends of the second bidirectional screw and the screw rod, and the two ends of the second bidirectional screw have opposite thread directions, and the two ends of the second bidirectional screw are respectively threadedly connected to the motor clamping plate in opposite thread directions.

[0011] Furthermore, a motor protection pad is installed on the anti-slip teeth, and the motor protection pad is connected to the motor to be detected.

[0012] Furthermore, the lifting unit in the motor performance test box includes a third mounting frame, in which a third bidirectional screw is rotatably mounted, a handwheel is mounted on the end of the third bidirectional screw, the threads at both ends of the third bidirectional screw are in opposite directions, and third sliders are respectively threadedly connected to the opposite threads at both ends of the third bidirectional screw, the third sliders are slidably connected to the third mounting frame, and traction plates are rotatably mounted on two third sliders, and the other ends of the two traction plates are rotatably connected to the lower surface of the detection discharge plate.

[0013] Furthermore, the first slider, the second slider and the third slider are all T-shaped.

[0014] Furthermore, a base is installed on the lower surface of the motor performance testing box, and a shock-absorbing bottom plate is installed on the lower surface of the base.

[0015] The beneficial effects compared with the prior art are as follows: 1. The ball assembly is driven to fit on the output shaft of the motor to be detected through the first bidirectional screw, the first slider, the installation box and the slide rod. When the motor to be detected rotates, the output shaft of the motor to be detected adjusts the resistance of the sliding rheostat through the ball assembly, the slide rod and the baffle. The eccentricity of the output shaft of the motor to be detected is determined by the change in the resistance of the sliding rheostat. The contact position of the ball assembly and the output shaft of the motor to be detected is adjusted through the driving assembly, the driving gear and the driven gear. When the output shaft of the motor to be detected rotates, different positions can be detected. When the output shaft of the motor to be detected rotates, multiple groups of data can be collected to reduce errors and ensure the accuracy of the detection results.

[0016] 2. The motor to be tested is driven to be pressed against the limit plate through the screw rod, the second slider and the second mounting frame, and the motor clamping plate, the anti-slip teeth and the motor protection pad are driven to clamp and fix the two sides of the motor to be tested through the second bidirectional screw rod, thereby applying forces in different directions to the motor to be tested, improving the stability and firmness of the motor to be tested during the testing process, effectively preventing the motor to be tested from moving and affecting the test data, and improving the accuracy of the test results. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a schematic diagram of the first axis side structure of a drive motor performance detection device according to the present invention; Figure 2 The present invention is a driving motor performance detection device Figure 1 The enlarged structural diagram at A in the middle; Figure 3 It is a schematic diagram of the second axis side structure of a drive motor performance detection device according to the present invention; Figure 4 The present invention is a driving motor performance detection device Figure 3 The enlarged structural diagram at B in the middle; Figure 5 It is a schematic diagram of a top cross-sectional structure of a drive motor performance detection device according to the present invention; Figure 6 The present invention is a driving motor performance detection device Figure 5 The enlarged structural diagram at C in the middle; Figure 7 It is a schematic diagram of the structure of a motor clamping plate of a drive motor performance detection device according to the present invention; Figure 8 The present invention is a driving motor performance detection device Figure 7 The enlarged structural diagram at D in the middle; Fig. 9 It is a schematic diagram of a side cross-sectional structure of a drive motor performance detection device according to the present invention; Fig.10 It is a schematic diagram of a partial cross-sectional structure of a drive motor performance detection device according to the present invention; Fig.11 The present invention is a driving motor performance detection device Fig.10 Enlarged structural diagram at E in the middle.

[0019] The following are the descriptions of the reference numerals: 1. Motor performance test box; 2. Motor to be tested; 301. Drive assembly; 302. Active gear; 303. Driven gear; 304. First mounting frame; 305. First bidirectional screw; 306. First slider; 307. Mounting box; 308. Sliding rheostat; 309. Baffle; 310. Slide bar; 311. Ball assembly; 312. Spring; 401. Screw; 402. Second slider; 403. Second mounting frame; 404. Motor clamping plate; 405. Anti-skid teeth; 406. Motor protection pad; 407. Limit plate; 408. Second bidirectional screw; 501. Third mounting frame; 502. Third bidirectional screw; 503. Third slider; 504. Pulling plate; 6. Detection and discharge plate; 7. Closing plate; 8. Base; 9. Shock-absorbing bottom plate; 10. Placement frame. DETAILED DESCRIPTION

[0020] like Figure 1-Figure 11 As shown, a driving motor performance detection device comprises a motor performance detection box 1, a sealing plate 7 is rotatably installed on the side of the motor performance detection box 1, a placing rack 10 and a lifting unit are installed inside the motor performance detection box 1, a detection discharge plate 6 is installed on the lifting unit, a fixing unit and a motor 2 to be detected are installed on the detection discharge plate 6, and a detection unit is installed on the placing rack 10. When the motor 2 to be detected is subjected to vibration detection, the motor 2 to be detected is placed on the detection discharge plate 6, the motor 2 to be detected is clamped and fixed by the fixing unit, the detection discharge plate 6 is driven to move by the lifting unit, the height of the detection discharge plate 6 is adjusted, so that the output shaft of the motor 2 to be detected moves to the position of the detection unit, the motor performance detection box 1 is closed by the sealing plate 7, and different positions of the output shaft of the motor 2 to be detected are detected by the detection unit, so as to improve the accuracy of the detection result; like Figure 2 , Figure 4-Figure 6 , Fig.11As shown, the detection unit on the placement rack 10 includes a first bidirectional screw 305 and a mounting box 307. An adjustment mechanism is installed on the placement rack 10. The first bidirectional screw 305 is rotatably installed on the adjustment mechanism. The threads at both ends of the first bidirectional screw 305 are in opposite directions. A hand wheel is installed at the end of the first bidirectional screw 305. The first slider 306 is threadedly connected to the opposite threads at both ends of the first bidirectional screw 305. The mounting box 307 is installed on the first slider 306. A sliding rheostat 308 is installed inside the mounting box 307. A slide rod 310 is slidably installed on the mounting box 307. The end of the slide rod 310 is installed The ball assembly 311 and the slide bar 310 are provided with a baffle 309 on the part of the installation box 307. The baffle 309 is connected to the slider of the sliding rheostat 308. The ball assembly 311 is slidably connected to the output shaft of the motor 2 to be detected. The sliding rheostat 308 is connected to the external resistance detection device. After the output shaft of the motor 2 to be detected moves to a suitable height, the first bidirectional screw 305 is rotated by the hand wheel on the first bidirectional screw 305, and the first slider 306 is driven to move by the first bidirectional screw 305, and the installation box 307 is driven to move by the first slider 306. The installation box 307 is moved by the slide bar 31 0 drives the ball assembly 311 to move, so that the ball assembly 311 is attached to the output shaft of the motor 2 to be detected, and the resistance value of the sliding rheostat 308 at this time is detected by the external resistance detection device and recorded. During the detection, the motor 2 to be detected is working and rotating. When the output shaft of the motor 2 to be detected rotates, the output shaft of the motor 2 to be detected pushes the ball assembly 311 in a certain direction. The ball assembly 311 pushes the sliding piece of the sliding rheostat 308 through the sliding rod 310 and the baffle 309 to adjust the resistance value of the sliding rheostat 308. The resistance value change of the sliding rheostat 308 is detected by the external resistance detection device. At the same time, the first bidirectional screw 305 is driven to rotate through the adjusting mechanism, and the first bidirectional screw 305 drives the installation box 307 to rotate through the first slider 306, and the contact position of the ball assembly 311 with the output shaft of the motor 2 to be detected is adjusted. Different positions of the output shaft of the motor 2 to be detected can be detected. When the ball assembly 311 contacts different positions on the output shaft of the motor 2 to be detected, the resistance value of the sliding rheostat 308 changes, and the eccentricity of the output shaft of the motor 2 to be detected is detected, so as to detect the eccentricity of the output shaft of the motor 2 to be detected during rotation, thereby improving the accuracy of the detection result.

[0021] like Figure 6 As shown, a spring 312 is sleeved on the portion of the slide bar 310 located in the mounting box 307, and the two ends of the spring 312 are respectively connected to the baffle 309 and the mounting box 307. The baffle 309 and the slide bar 310 are elastically reset by the spring 312, so that the ball assembly 311 can always fit on the output shaft of the motor 2 to be tested.

[0022] like Figure 1, Figure 2 , Figure 5 , Fig.10 , Fig.11 As shown, the adjustment mechanism on the placement rack 10 includes a driving component 301 and a driven gear 303, the driving component 301 is installed on the placement rack 10, the driving gear 302 is installed on the output shaft of the driving component 301, the driven gear 303 is rotatably installed on the placement rack 10, the driven gear 303 is meshed and connected to the driving gear 302, a first mounting frame 304 is installed on the driven gear 303, the first mounting frame 304 is rotatably connected to the first bidirectional screw 305, the driving component 301 works using the existing technology, during the detection process, the driving gear 302 is driven to rotate by the driving component 301, the driven gear 303 is driven to rotate by the driving gear 302, the driven gear 303 drives the first mounting frame 304 and the first bidirectional screw 305 to rotate, thereby adjusting the position of the motor 2 to be detected, facilitating the detection of different positions of the output shaft of the motor 2 to be detected, and improving the accuracy of the detection result.

[0023] like Figure 2 , Figure 4 As shown, the slide bar 310 is square. The square shape effectively prevents the slide bar 310 from rotating, thereby improving the stability of the slide bar 310 during movement.

[0024] like Figure 1 , Figure 2 , Figure 4 , Figure 7 , Figure 8 , Fig.11As shown, the fixing unit on the detection discharge plate 6 includes a motor clamping plate 404 and a limit plate 407. The detection discharge plate 6 is installed with a displacement mechanism and a limit plate 407. The motor clamping plate 404 is installed on the displacement mechanism. The motor clamping plate 404 is located on both sides of the motor 2 to be detected. The motor clamping plate 404 is obliquely arranged with anti-skid teeth 405. The directions of the anti-skid teeth 405 on the motor clamping plate 404 are opposite. The adjustment mechanism drives the motor 2 to be detected to press against the limit plate 407. After the motor 2 to be detected is placed on the detection discharge plate 6, the displacement mechanism drives the motor 2 to be detected to press against the limit plate 407, and then the displacement mechanism drives The motor clamping plate 404 moves, and the motor clamping plate 404 clamps and fixes the motor 2 to be detected through the anti-slip teeth 405. The anti-slip teeth 405 improve the stability and firmness of the motor clamping plate 404 when clamping the motor 2 to be detected. At the same time, since the directions of the anti-slip teeth 405 on the motor clamping plate 404 are opposite, the motor clamping plate 404 applies forces in opposite directions to the motor 2 to be detected through the anti-slip teeth 405, thereby applying forces in different directions to the motor 2 to be detected, thereby improving the stability and firmness of the motor 2 to be detected during the detection process, effectively preventing the motor 2 to be detected from moving and affecting the detection data, and improving the accuracy of the detection results.

[0025] like Figure 1 , Figure 3 , Figure 5 , Fig.10 , Fig.11 As shown, the displacement mechanism on the detection discharge plate 6 includes a screw rod 401, which is rotatably mounted on the detection discharge plate 6, a second slider 402 is rotatably mounted on the screw rod 401, the second slider 402 is slidably connected to the detection discharge plate 6, a second mounting frame 403 is mounted on the second slider 402, a second bidirectional screw rod 408 is rotatably mounted on the second mounting frame 403, hand wheels are mounted on the ends of the second bidirectional screw rod 408 and the screw rod 401, the two ends of the second bidirectional screw rod 408 have opposite thread directions, and the two ends of the second bidirectional screw rod 408 are respectively threadedly connected to the motor clamping plate 404 in opposite thread directions, and after the motor 2 to be detected is placed on the detection discharge plate 6, through The handwheel on the second bidirectional screw 408 rotates the second bidirectional screw 408, and the second bidirectional screw 408 drives the motor clamping plate 404 to move, so that the motor clamping plate 404 clamps and fixes the motor 2 to be detected, and the handwheel on the screw rod 401 drives the screw rod 401 to rotate, and the screw rod 401 drives the second slider 402 to move, and the second slider 402 drives the second mounting bracket 403 to move, and the second mounting bracket 403 is used to push the motor 2 to be detected, so that the motor 2 to be detected is tightly pressed against the limit plate 407, so that motors 2 to be detected of different sizes can be clamped and fixed, which is convenient for detecting motors 2 to be detected of different sizes.

[0026] like Figure 7, Figure 8 As shown, a motor protection pad 406 is installed on the anti-slip tooth 405, and the motor protection pad 406 is connected to the motor 2 to be detected. The anti-slip pad increases the stability and anti-slip property of the anti-slip tooth 405 when clamping the motor 2 to be detected. The anti-slip pad is used to protect the motor 2 to be detected, thereby preventing the anti-slip tooth 405 from causing damage to the outer surface of the motor 2 to be detected.

[0027] like Figure 1 , Figure 3 , Figure 5 , Fig. 9 , Fig.10 As shown, the lifting unit in the motor performance test box 1 includes a third mounting frame 501, a third bidirectional screw 502 is rotatably mounted in the third mounting frame 501, a hand wheel is mounted on the end of the third bidirectional screw 502, the threads of the two ends of the third bidirectional screw 502 are in opposite directions, and the opposite threads at the two ends of the third bidirectional screw 502 are respectively threadedly connected with third sliders 503, the third sliders 503 are slidably connected to the third mounting frame 501, and a traction plate 504 is rotatably mounted on the two third sliders 503, and the other ends of the two traction plates 504 are rotatably connected The lower surface of the detection and discharge plate 6 is connected to the handwheel at the end of the third bidirectional screw 502 to drive the third bidirectional screw 502 to rotate, the third slider 503 is driven to move by the third bidirectional screw 502, and the traction plate 504 is driven to move by the third slider 503 to adjust the inclination of the traction plate 504, and the detection and discharge plate 6 is moved by the traction plate 504 to complete the adjustment of the height of the detection and discharge plate 6, thereby adjusting the height of the motor 2 to be detected on the detection and discharge plate 6, which is convenient for detecting motors 2 to be detected of different sizes.

[0028] like Figure 9-11 As shown, the first slider 306 , the second slider 402 , and the third slider 503 are all T-shaped. The T-shaped arrangement improves the stability of the first slider 306 , the second slider 402 , and the third slider 503 .

[0029] like Figure 1 , Figure 3 , Fig.10 As shown, a base 8 is installed on the lower surface of the motor performance test box 1, and a shock-absorbing bottom plate 9 is installed on the lower surface of the base 8. The motor performance test box 1 is supported by the base 8 and the shock-absorbing bottom plate 9, and the base 8 and the motor performance test box 1 are shock-absorbing by the shock-absorbing bottom plate 9 to prevent external vibration from affecting the motor performance test box 1.

[0030] Working principle: Figure 1-Figure 5 , Figure 7 , Figure 8 , Fig.10 , Fig.11As shown, the motor 2 to be detected is placed on the detection discharge plate 6, the screw rod 401 is driven to rotate by the hand wheel on the screw rod 401, the second slider 402 is driven to move by the screw rod 401, the second mounting bracket 403 is driven to move by the second slider 402, and the motor 2 to be detected is pushed by the second mounting bracket 403, so that the motor 2 to be detected is pressed against the limit plate 407, the second bidirectional screw 408 is rotated by the hand wheel on the second bidirectional screw 408, and the motor clamping plate 404 is driven to move by the second bidirectional screw 408, and the motor clamping plate 404 is clamped and fixed to the motor 2 to be detected by the anti-skid teeth 405 and the anti-skid pad; like Figure 1 , Figure 3 , Figure 5 , Fig. 9 , Fig.10 As shown, the hand wheel at the end of the third bidirectional screw 502 drives the third bidirectional screw 502 to rotate, the third bidirectional screw 502 drives the third slider 503 to move, the third slider 503 drives the traction plate 504 to move, the inclination of the traction plate 504 is adjusted, and the traction plate 504 moves the detection discharge plate 6, so as to adjust the height of the output shaft of the motor 2 to be detected, so that the output shaft of the motor 2 to be detected moves to a height corresponding to the center position of the driven gear 303; like Figure 2 , Figure 4-Figure 6 , Fig.11 As shown, the first bidirectional screw 305 is rotated by the hand wheel on the first bidirectional screw 305, the first bidirectional screw 305 drives the first slider 306 to move, the first slider 306 drives the installation box 307 to move, the installation box 307 drives the ball assembly 311 to move through the slide bar 310, so that the ball assembly 311 is attached to the output shaft of the motor 2 to be detected, and the resistance value of the sliding rheostat 308 at this time is detected by the external resistance detection device and recorded; like Figure 2 , Figure 4-Figure 6 , Fig.11 As shown, during the detection, the motor 2 to be detected is working and rotating, and when the output shaft of the motor 2 to be detected is rotating, the output shaft of the motor 2 to be detected pushes the ball assembly 311 in a certain direction, and the ball assembly 311 pushes the sliding piece of the sliding rheostat 308 through the sliding rod 310 and the baffle 309, and adjusts the resistance value of the sliding rheostat 308, and detects the resistance value change of the sliding rheostat 308 through the external resistance detection device; like Figure 1 , Figure 2 , Figure 5 , Fig.10 , Fig.11As shown, the driving assembly 301 drives the active gear 302 to rotate, the active gear 302 drives the driven gear 303 to rotate, the driven gear 303 drives the first mounting bracket 304 and the first bidirectional screw 305 to rotate, the first bidirectional screw 305 drives the mounting box 307 to rotate through the first slider 306, and the contact position between the ball assembly 311 and the output shaft of the motor 2 to be detected is adjusted, so that the eccentricity of the output shaft of the motor 2 to be detected at different positions when rotating can be detected, thereby improving the accuracy of the detection result.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements all fall within the scope of the present invention to be protected.

Claims

1. A drive motor performance detection device, characterized in that: The motor performance testing box (1) comprises a sealing plate (7) rotatably mounted on the side of the motor performance testing box (1), a placement rack (10) and a lifting unit are mounted inside the motor performance testing box (1), a testing discharge plate (6) is mounted on the lifting unit, a fixing unit and a motor to be tested (2) are mounted on the testing discharge plate (6), and a testing unit is mounted on the placement rack (10); The detection unit on the placement rack (10) comprises a first bidirectional screw (305) and a mounting box (307). An adjustment mechanism is mounted on the placement rack (10). The first bidirectional screw (305) is rotatably mounted on the adjustment mechanism. The threads at both ends of the first bidirectional screw (305) are in opposite directions. A hand wheel is mounted on the end of the first bidirectional screw (305). The first sliders (306) are respectively threadedly connected to the opposite threads at both ends of the first bidirectional screw (305). The mounting box (307) is mounted on the A sliding rheostat (308) is installed inside the installation box (307) on the first slider (306), a sliding rod (310) is slidably installed on the installation box (307), a ball assembly (311) is installed at the end of the sliding rod (310), a baffle (309) is installed on the portion of the sliding rod (310) located inside the installation box (307), the baffle (309) is connected to a sliding plate of the sliding rheostat (308), and the ball assembly (311) is slidably connected to the output shaft of the motor (2) to be detected.

2. A drive motor performance detection device according to claim 1, characterized in that: A spring (312) is sleeved on the portion of the slide bar (310) located inside the installation box (307), and two ends of the spring (312) are respectively connected to the baffle (309) and the installation box (307).

3. A drive motor performance detection device according to claim 1, characterized in that: The adjustment mechanism on the placement rack (10) comprises a driving assembly (301) and a driven gear (303); the driving assembly (301) is mounted on the placement rack (10); a driving gear (302) is mounted on the output shaft of the driving assembly (301); the driven gear (303) is rotatably mounted on the placement rack (10); the driven gear (303) is meshedly connected to the driving gear (302); a first mounting frame (304) is mounted on the driven gear (303); and the first mounting frame (304) is rotatably connected to the first bidirectional screw (305).

4. A drive motor performance detection device according to claim 1, characterized in that: The sliding rod (310) is square.

5. A drive motor performance detection device according to claim 1, characterized in that: The fixing unit on the detection unloading plate (6) comprises a motor clamping plate (404) and a limit plate (407); a displacement mechanism and the limit plate (407) are installed on the detection unloading plate (6); the motor clamping plate (404) is installed on the displacement mechanism; the motor clamping plate (404) is located on both sides of the motor (2) to be detected; anti-slip teeth (405) are arranged in an inclined manner on the motor clamping plate (404); the anti-slip teeth (405) on the motor clamping plate (404) are in opposite directions; and the adjustment mechanism drives the motor (2) to be detected to be pressed against the limit plate (407).

6. A drive motor performance detection device according to claim 5, characterized in that: The displacement mechanism on the detection unloading plate (6) comprises a screw rod (401), the screw rod (401) is rotatably mounted on the detection unloading plate (6), a second slider (402) is rotatably mounted on the screw rod (401), the second slider (402) is slidably connected to the detection unloading plate (6), a second mounting frame (403) is mounted on the second slider (402), a second bidirectional screw rod (408) is rotatably mounted on the second mounting frame (403), hand wheels are mounted on the ends of the second bidirectional screw rod (408) and the screw rod (401), the two ends of the second bidirectional screw rod (408) have opposite thread directions, and the two ends of the second bidirectional screw rod (408) are respectively threadedly connected to the motor clamping plate (404) in opposite thread directions.

7. A drive motor performance detection device according to claim 5, characterized in that: A motor protection pad (406) is installed on the anti-slip teeth (405), and the motor protection pad (406) is connected to the motor (2) to be detected.

8. A drive motor performance detection device according to claim 6, characterized in that: The lifting unit in the motor performance test box (1) comprises a third mounting frame (501), a third bidirectional screw (502) is rotatably mounted in the third mounting frame (501), a hand wheel is mounted on the end of the third bidirectional screw (502), the threads of the two ends of the third bidirectional screw (502) are in opposite directions, and the opposite threads of the two ends of the third bidirectional screw (502) are respectively threadedly connected to third sliders (503), the third sliders (503) are slidably connected to the third mounting frame (501), and two traction plates (504) are rotatably mounted on the two third sliders (503), and the other ends of the two traction plates (504) are rotatably connected to the lower surface of the detection discharge plate (6).

9. A drive motor performance detection device according to claim 8, characterized in that: The first sliding block (306), the second sliding block (402) and the third sliding block (503) are all T-shaped.

10. A drive motor performance detection device according to claim 1, characterized in that: A base (8) is installed on the lower surface of the motor performance testing box (1), and a shock-absorbing bottom plate (9) is installed on the lower surface of the base (8).

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