Motor comprehensive performance testing device and testing method

Abstract

The invention discloses a motor comprehensive performance testing device and testing method, and relates to the technical field of motor testing, the motor comprehensive performance testing device comprises a motor clamping assembly, a testing assembly, a lifting assembly and an electrical cabinet, the motor clamping assembly is used for clamping and fixing a testing motor, the testing assembly is used for carrying out load and torque testing on the testing motor, and the lifting assembly is used for lifting the testing motor. The lifting assembly is arranged below the testing assembly and used for adjusting the position of the testing assembly when the testing motor is connected with a load, and a processing terminal used for receiving and processing testing data and a control terminal used for controlling the motors are arranged in the electrical cabinet. An alignment camera is arranged in the testing assembly to perform center shaft alignment on the output end of the testing motor and the coupler, the height difference is compensated through the lifting assembly, so that the output shaft of the testing motor is aligned with the center shaft of the coupler, the alignment speed is increased, the load mounting module can automatically increase or reduce the load, and the load is automatically locked during rotation. Special fixing is not needed, and convenience and rapidness are achieved.

Description

Technical Field

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

[0002] Motor testing is an important part of the comprehensive evaluation of motor assembly quality and technical performance, and is an important process in motor manufacturing and production. With the further improvement of motor design and process levels, as well as the continuous improvement of the performance of motor raw materials, the performance and quality indicators of motors have been greatly improved, and the requirements for motor testing technology have also increased.

[0003] When testing the performance of a motor, it is necessary to connect a certain weight, i.e., a load, to the output end of the motor, and gradually increase the load during the test to obtain more comprehensive motor performance data. Increasing the load requires manual installation of a standard load sheet on the test shaft. The need to continuously increase the load requires frequent disassembly of the standard load sheet, which increases labor costs. At the same time, center alignment is required when the motor output shaft is connected to the test shaft, and manual alignment is slow, which reduces the test efficiency. In order to improve the efficiency of motor testing and reduce the labor intensity of operators, a motor comprehensive performance testing device and testing method are proposed. Summary of the invention

[0004] In order to solve the above technical problems, a motor comprehensive performance testing device and a testing method are provided. This technical solution solves the problem that motor testing requires manual alignment of the motor output shaft and the test shaft, and manual installation and disassembly of the load leads to low testing efficiency and high labor costs.

[0005] In order to achieve the above purpose, the technical solution adopted by the present invention is:

[0006] A motor comprehensive performance testing device, comprising:

[0007] A motor clamping assembly, the motor clamping assembly is fixedly installed above the workbench, and the motor clamping assembly is used to clamp and fix the test motor;

[0008] A test assembly, the test assembly is arranged on one side of the motor clamping assembly, and the test assembly is used to perform load and torque tests on the test motor;

[0009] A lifting assembly, the lifting assembly is arranged below the test assembly, and the lifting assembly is used to adjust the position of the test assembly when the test motor is connected to a load;

[0010] A visualization terminal, which is installed on the upper end of the workbench and is used to display test data and results;

[0011] An electrical cabinet, which is arranged below the workbench and has a processing terminal for receiving and processing test data and a control terminal for controlling each motor arranged inside the electrical cabinet;

[0012] Wherein, the motor clamping assembly comprises:

[0013] A lower fixed mold, wherein the lower fixed mold is installed above the base by bolts, the base is fixedly connected to the upper end of the workbench, and a lower limit groove is opened at the upper end of the lower fixed mold, and the lower limit groove is used to limit the test motor;

[0014] A support frame, the lower end of which is fixedly connected to the base, and the inner walls at both ends of the support frame are provided with sliding grooves;

[0015] A hydraulic telescopic column, wherein the hydraulic telescopic column is fixedly installed at the middle of the upper end of the support frame, the output end of the hydraulic telescopic column passes through the top crossbeam of the support frame and is fixedly connected to the movable plate, and the two ends of the movable plate are slidably connected to the support frame through sliding grooves;

[0016] An upper fixed mold, wherein the upper fixed mold is mounted on the lower end of the movable plate through a mounting plate, and an upper limit groove is provided at the lower end of the upper fixed mold, and the upper limit groove and the lower limit groove cooperate with each other to limit and fix the test motor;

[0017] The test components include:

[0018] A first bottom plate, the first bottom plate is used to drive the test assembly to move toward the test motor;

[0019] An alignment module, wherein the alignment module is disposed at the left end of the test assembly and a lower end thereof is fixedly connected to the first bottom plate;

[0020] A coupling, the coupling is arranged above the alignment module, and the coupling is aligned and calibrated with the output end of the test motor through the alignment module;

[0021] A torque sensor, which is installed at the upper end of the first base plate, and is plugged into the interior of the coupling through a rotating shaft provided at one side and fixed by bolts;

[0022] A fixing module, wherein the left end of the load fixing module is fixedly connected to a rotating shaft provided at one side of the torque sensor, the load fixing module comprises a load connecting shaft for mounting the load and a limit plate fixedly connected to one side of the load connecting shaft, and a plurality of positioning protrusions are evenly distributed around the circumference of the load connecting shaft;

[0023] A load installation module is arranged on the right side of the load fixing module, and is used to install the load to the load fixing module.

[0024] Preferably, the load fixing module also includes a central shaft, a sliding limit block and a damping spring, the central shaft is arranged inside the load connecting shaft, the positioning protrusion extends to one end inside the load connecting shaft and is connected to the central shaft, a sliding groove is provided inside the positioning protrusion, the sliding limit block is slidably connected to the positioning protrusion via the sliding groove, and a damping spring is arranged between the sliding limit block and the central shaft.

[0025] Preferably, the load installation module includes a standard load sheet, a fixed shaft and a vertical plate, and the standard load sheet is provided in multiple numbers and is sleeved on the surface of the fixed shaft, one end of the fixed shaft is fixedly connected to the vertical plate, a first servo motor is installed on one side of the vertical plate, the output end of the first servo motor passes through the vertical plate and is fixedly connected to the first screw rod, the first screw rod is threadedly connected to the sliding block, both sides of the sliding block are slidably connected with guide rods, and one end of the guide rod is fixedly connected to the vertical plate.

[0026] Preferably, a plurality of positioning grooves matching with the positioning protrusions are provided inside the standard load sheet, and limiting holes corresponding to the damping springs are provided inside the positioning grooves.

[0027] Preferably, two push plates are provided at the upper end of the sliding block, and the bottom of the push plates are rotatably connected to the sliding block through a connecting seat, one side of the push plates is rotatably connected to the first connecting block, the middle part of the first connecting block is threadedly connected to a bidirectional screw rod, the sliding block is connected to the bidirectional screw rod through fixed plates arranged on both sides, and a driving motor is installed on one side of the push plate, and the driving motor drives the push plates to move closer to or away from each other through the transmission of the bidirectional screw rod and the first connecting block.

[0028] Preferably, the alignment module includes a fixed block, a rotating bracket and an alignment camera, the lower end of the fixed block is fixedly connected to the first base plate, the two ends of the rotating bracket are rotatably connected to the alignment module, the alignment camera is installed on one side of the rotating bracket, the alignment camera is aligned with the axis of the coupling, a swing motor is installed on the side of the fixed block, the output end of the swing motor is fixedly connected to a second connecting rod, one end of the second connecting rod is rotatably connected to the first connecting rod through a rotating shaft, the other end of the first connecting rod is rotatably connected to the lower end of the rotating bracket, a limiting block is arranged above the second connecting rod, the swing motor drives the rotating bracket to rotate along the rotating shaft through the first connecting rod and the second connecting rod, and the limiting block stops the second connecting rod after rotating to a horizontal position.

[0029] Preferably, two support blocks are fixedly connected to the lower end of the first base plate, and the lower ends of the support blocks are slidably connected to the slide rails. A second screw rod is arranged between the two support blocks, and the second screw rod is fixedly connected to the output end of the second servo motor. The surface of the second screw rod is threadedly connected to the protrusion arranged at the lower end of the first base plate, and the second servo motor drives the first base plate to move left and right through the second screw rod.

[0030] Preferably, the lifting assembly includes a lifting platform, a connecting plate and a third servo motor, the lifting assembly is fixedly connected to the upper end of the second base plate, the side of the lifting platform is slidably connected to the workbench, the lifting platform and the opposite side of the second base plate are fixedly connected with a connecting plate, the interior of the connecting plate is slidably connected to the slider through a sliding groove, a third servo motor is installed on one side of the upper connecting plate, the output end of the third servo motor is fixedly connected to a third screw rod, and the third screw rod is threadedly connected to the middle part of the slider.

[0031] Preferably, both ends of the slider are rotatably connected to the rotating plate, the middle parts of the two rotating plates are rotatably connected through a rotating shaft, and the other end of the rotating plate is rotatably connected to a second connecting block, and the second connecting block is respectively fixedly connected to the second base plate and the opposite side of the lifting platform.

[0032] The present invention discloses a method for testing the comprehensive performance of a motor, which specifically comprises the following steps:

[0033] S1. Place the test motor in the lower limit slot, start the hydraulic telescopic column to extend and drive the movable plate to descend so that the upper fixed mold abuts against the upper surface of the test motor, fix the test motor between the lower fixed mold and the upper fixed mold, power the test motor, and then start the test motor to test the no-load performance of the test motor;

[0034] S2. Start the second screw rod to drive the second connecting rod to rotate upward, and drive the rotating bracket to rotate through the first connecting rod. The second connecting rod stops rotating after rotating to the horizontal position. The alignment camera takes a picture of the output shaft of the test motor and feeds back the image information to the processing terminal. The processing terminal recognizes the image and obtains the displacement difference between the current position and the alignment center through algorithm processing, and feeds back the displacement difference to the control terminal. The control terminal controls the third servo motor to start and drive the lifting platform to rise or fall to compensate for the height difference. Through multiple times of the above operations, the axis center of the output shaft of the test motor is aligned with the axis center of the coupling, and the swing motor is started again to rotate in the opposite direction to recover the alignment camera;

[0035] S3. Start the second servo motor to drive the test assembly to move toward the test motor, the coupling is sleeved on the outside of the test motor output shaft, stop the second servo motor, tighten the bolts on the coupling to fix the coupling to the test motor output shaft;

[0036] S4. Start the test motor to perform a no-load torque performance test, and the torque sensor feeds back the torque data of the test motor when it is running to the processing terminal;

[0037] S5. Stop the test motor, start the first servo motor to drive the push plate to the standard load sheet on the outside, start the drive motor to drive the two push plates to approach each other and insert them between the two standard load sheets and then stop, start the first servo motor to drive the push plate to move toward the load fixing module, push the standard load sheet onto the load fixing module, and insert the positioning protrusion into the positioning groove to position the standard load sheet. Start the test motor, and the sliding limit block slides outward under the action of centrifugal force and engages with the limit hole to fix the standard load sheet. Repeat the above operations to increase the load and test the load performance and torque performance of the test motor under different load conditions.

[0038] Compared with the prior art, the present invention has the following beneficial effects:

[0039] 1. The present invention is provided with a motor clamping assembly, which drives the upper fixed mold to press down and cooperate with the lower fixed mold to limit and fix the test motor through the hydraulic telescopic column. The fixing efficiency is high, and the corresponding fixed mold can be replaced according to different motor models, and the applicability is high.

[0040] 2. The present invention aligns the central axis of the test motor output end and the coupling by setting an alignment camera. The alignment camera can be rotated to the front of the coupling under the drive of the swing motor, take pictures of the motor output end and feed back the results to the processing terminal. The processing terminal recognizes the image and obtains the displacement difference between the current position and the alignment center through algorithm processing, and feeds back the displacement difference to the control terminal. The control terminal controls the third servo motor to start and drive the lifting platform to rise or descend to compensate for the height difference, so that the output shaft of the test motor is aligned with the central axis of the coupling. The alignment operation is automatically performed, which improves the alignment speed and thus improves the test efficiency.

[0041] 3. The present invention is provided with a load fixing module and a load installation module. The driving motor in the load installation module can drive the two push plates to approach each other and insert them between the two standard load sheets through a bidirectional screw rod. Starting the first servo motor can drive the push plate to push the standard load sheet to move toward the load fixing module. A positioning protrusion is provided on the load connecting shaft to position the standard load sheet. When testing, the sliding limit block inside the positioning protrusion slides outward under the action of centrifugal force and engages with the limit hole on the standard load sheet to fix the standard load sheet. The load can be automatically increased or decreased to test the performance of the motor under different load conditions, thereby improving the test efficiency. The load is automatically locked during rotation without the need for special fixation, which is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a structural schematic diagram of the present invention;

[0043] Figure 2 It is a structural schematic diagram of the motor clamping assembly in the present invention;

[0044] Figure 3 It is a schematic diagram of the structure of the test component in the present invention;

[0045] Figure 4 It is a structural schematic diagram of a load fixing module and a load installation module in the present invention;

[0046] Figure 5 It is a side view structural schematic diagram of the load installation module in the present invention;

[0047] Figure 6 It is a cross-sectional structural schematic diagram of the load fixing module and the load installation module in the present invention;

[0048] Figure 7 for Figure 6 A local enlarged schematic diagram of the middle A;

[0049] Figure 8 It is a structural schematic diagram of the alignment module in the present invention;

[0050] Fig. 9 It is a schematic diagram of the structure of the lifting assembly in the present invention.

[0051] The numbers in the figure are:

[0052] 1. Motor clamping assembly; 11. Base; 12. Lower fixed mold; 121. Lower limit slot; 13. Support frame; 131. Sliding slot; 14. Hydraulic telescopic column; 15. Moving plate; 16. Upper fixed mold; 161. Upper limit slot; 2. Test assembly; 201. First base plate; 21. Alignment module; 211. Fixed block; 212. Rotating bracket; 213. Alignment camera; 214. First connecting rod; 215. Second connecting rod; 216. Swing motor; 217. Limit block; 22. Coupling; 23. Torque sensor; 24. Load fixing module; 241. Load connecting shaft; 2411, positioning convex block; 2412, center axis; 2413, sliding limit block; 2414, damping spring; 242, limit plate; 25, load installation module; 251, standard load sheet; 2511, positioning groove; 2512, limit hole; 252, fixed axis; 253, vertical plate; 2531, first servo motor; 2532, first screw rod; 2533, guide rod; 254, sliding block; 255, push plate; 2551, first connecting block; 2561, bidirectional screw rod; 256, driving motor; 26, support block; 261, second screw rod; 262, second servo motor;

[0053] 3. Workbench; 31. Visual terminal; 32. Electrical cabinet; 33. Second base plate;

[0054] 4. Lifting assembly; 41. Lifting platform; 42. Connecting plate; 421. Sliding block; 43. Third servo motor; 431. Third screw rod; 44. Rotating plate; 45. Second connecting block. DETAILED DESCRIPTION

[0055] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. As mentioned throughout the specification and claims, "including" is an open term, so it should be interpreted as "including but not limited to". The subsequent description of the specification is a preferred embodiment of implementing the present application, but the description is for the purpose of illustrating the general principles of the present application, and is not used to limit the scope of the present application. The scope of protection of the present application shall be determined by the definition of the attached claims.

[0056] like Figure 1 As shown, a motor comprehensive performance test device includes a motor clamping assembly 1, a test assembly 2 and a lifting assembly 4. The motor clamping assembly 1 is fixedly installed above a workbench 3, and the motor clamping assembly 1 is used to clamp and fix the test motor. The test assembly 2 is arranged on one side of the motor clamping assembly 1, and the test assembly 2 is used to perform load and torque tests on the test motor. The lifting assembly 4 is arranged below the test assembly 2, and the lifting assembly 4 is used to adjust the position of the test assembly 2 when the test motor is connected to the load. A visualization terminal 31 is installed at the upper end of the workbench 3, and the visualization terminal 31 is used to display test data and results. An electrical cabinet 32 ​​is arranged below the workbench 3, and a processing terminal for receiving and processing test data and a control terminal for controlling each motor are arranged inside the electrical cabinet 32.

[0057] like Figure 2As shown, the motor clamping assembly 1 includes a lower fixed mold 12, a support frame 13, a hydraulic telescopic column 14 and an upper fixed mold 16. The lower fixed mold 12 is installed above the base 11 by bolts. The base 11 is fixedly connected to the upper end of the workbench 3. A lower limit groove 121 is opened at the upper end of the lower fixed mold 12. The lower limit groove 121 is used to limit the test motor. The lower end of the support frame 13 is fixedly connected to the base 11. The inner walls of both ends of the support frame 13 are provided with sliding grooves 131. The hydraulic telescopic column 14 is fixedly installed in the middle of the upper end of the support frame 13. The output end of the hydraulic telescopic column 14 passes through the top crossbeam of the support frame 13 and is fixedly connected to the movable plate 15. Then, both ends of the movable plate 15 are slidably connected to the support frame 13 through the sliding groove 131, and the upper fixed mold 16 is installed on the lower end of the movable plate 15 through the mounting plate. The hydraulic telescopic column 14 can drive the upper fixed mold 16 to rise or fall. An upper limit groove 161 is opened at the lower end of the upper fixed mold 16. The upper limit groove 161 cooperates with the lower limit groove 121 to limit and fix the test motor. The lower fixed mold 12 is arranged corresponding to the upper fixed mold 16 and is manufactured according to the shape of the test motor casing. If the model of the test motor is changed, the lower fixed mold 12 and the upper fixed mold 16 can be disassembled and replaced with the corresponding model of the lower fixed mold 12 and the upper fixed mold 16.

[0058] Please refer to Figure 3 and 4 The test assembly 2 includes an alignment module 21, a coupling 22, a torque sensor 23, a load fixing module 24 and a load installation module 25. The alignment module 21 is arranged at the left end of the test assembly 2 and its lower end is fixedly connected to the first base plate 201. The first base plate 201 is used to drive the test assembly 2 to move toward the test motor. The coupling 22 is arranged above the alignment module 21. The coupling 22 is calibrated with the output end of the test motor through the alignment module 21. The torque sensor 23 is installed at the upper end of the first base plate 201. One side shaft of the torque sensor 23 is inserted into the interior of the coupling 22 and passes through The left end of the load fixing module 24 is fixedly connected to the rotating shaft of the torque sensor 23 by bolt fixing. The load fixing module 24 includes a load connecting shaft 241 for installing the load and a limit plate 242 fixedly connected to one side of the load connecting shaft 241. A plurality of positioning protrusions 2411 are evenly distributed on the circumference of the load connecting shaft 241. The load installation module 25 is arranged on the right side of the load fixing module 24. The load installation module 25 is used to install the load to the load fixing module 24. The torque sensor 23 can be selected as model: FY01, and other torque sensors that can achieve the same function are all acceptable.

[0059] like Figure 7As shown, the load fixing module 24 also includes a central shaft 2412, a sliding stop block 2413 and a damping spring 2414. The central shaft 2412 is arranged inside the load connecting shaft 241. One end of the positioning protrusion 2411 extending to the inside of the load connecting shaft 241 is connected to the central shaft 2412. A sliding groove is provided inside the positioning protrusion 2411. The sliding stop block 2413 is slidably connected to the positioning protrusion 2411 through the sliding groove. A damping spring 2414 is provided between the sliding stop block 2413 and the central shaft 2412. The standard load sheet 251 is provided with a positioning protrusion inside. 2411 matches multiple positioning grooves 2511. When the standard load sheet 251 is installed on the load connecting shaft 241, the positioning groove 2511 is engaged with the positioning protrusion 2411, and the standard load sheet 251 is driven to rotate along with the load connecting shaft 241 through the positioning protrusion 2411. The interior of the positioning groove 2511 is provided with a limiting hole 2512 corresponding to the damping spring 2414. When the load connecting shaft 241 rotates, the sliding limiting block 2413 slides outward under the action of centrifugal force and is engaged in the limiting hole 2512 to limit and fix the standard load sheet 251.

[0060] like Figure 4-5 As shown, the load installation module 25 includes a standard load sheet 251, a fixed shaft 252 and a vertical plate 253. The standard load sheet 251 is provided with a plurality of standard load sheets and is sleeved on the surface of the fixed shaft 252. One end of the fixed shaft 252 is fixedly connected to the vertical plate 253. A first servo motor 2531 is installed on one side of the vertical plate 253. The output end of the first servo motor 2531 passes through the vertical plate 253 and is fixedly connected to the first screw rod 2532. The first screw rod 2532 is slidably connected to the sliding block 254. Both sides of the sliding block 254 are slidably connected with guide rods 2533. One end of the guide rod 2533 is fixedly connected to the vertical plate 253. The first servo motor 2531 drives the first screw rod 2532 to rotate, thereby driving the sliding block 254 to move. Two push plates 255 are provided on the upper end of the sliding block 254. The bottom is rotatably connected to the sliding block 254 through a connecting seat, and one side of the push plate 255 is rotatably connected to the first connecting block 2551. The middle part of the first connecting block 2551 is threadedly connected to a bidirectional screw rod 2561. The sliding block 254 is connected to the bidirectional screw rod 2561 through fixed plates arranged on both sides. A driving motor 256 is installed on one side of the push plate 255. The driving motor 256 drives the push plate 255 to move closer to or away from each other through the transmission of the bidirectional screw rod 2561 and the first connecting block 2551. The bidirectional screw rod 2561 is driven closer to each other by the driving motor 256, and then the sliding block 254 and the push plate 255 can be driven to move by the first servo motor 2531, so that the push plate 255 pushes the standard load sheet 251 to move to the load connecting shaft 241. Repeating the above operation can continuously increase the load during the test.

[0061] like Figure 8As shown, the alignment module 21 includes a fixed block 211, a rotating bracket 212 and an alignment camera 213. The lower end of the fixed block 211 is fixedly connected to the first base plate 201, the two ends of the rotating bracket 212 are rotatably connected to the alignment module 21, the alignment camera 213 is installed on one side of the rotating bracket 212, the alignment camera 213 is aligned with the axis of the coupling 22, the alignment camera 213 is electrically connected to the processing terminal, and a swing motor 216 is installed on the side of the fixed block 211. The output end of the swing motor 216 is fixedly connected to the second connecting rod 215, and one end of the second connecting rod 215 is connected to the first base plate 201 through a rotating shaft. A connecting rod 214 is rotatably connected, and the other end of the first connecting rod 214 is rotatably connected to the lower end of the rotating bracket 212. A limit block 217 is set above the second connecting rod 215. The swing motor 216 drives the rotating bracket 212 to rotate along the rotating axis through the first connecting rod 214 and the second connecting rod 215. The limit block 217 rotates the second connecting rod 215 to a horizontal position and then stops. The alignment camera 213 takes a picture of the test motor output shaft and feeds the image information back to the processing terminal. The processing terminal recognizes the image and obtains the displacement difference between the current position and the alignment center through algorithm processing, and then performs centering calibration through position adjustment.

[0062] In this embodiment, two support blocks 26 are fixedly connected to the lower end of the first base plate 201, and the lower ends of the support blocks 26 are slidably connected to the slide rails. A second screw rod 261 is arranged between the two support blocks 26, and the second screw rod 261 is fixedly connected to the output end of the second servo motor 262. The surface of the second screw rod 261 is threadedly connected to the protrusion arranged at the lower end of the first base plate 201. The second servo motor 262 drives the first base plate 201 to move left and right through the second screw rod 261, and can drive the test component 2 to move in the direction of the test motor so that the output end of the motor is inserted into the coupling 22. The lifting component 4 includes a lifting platform 41, a connecting plate 42 and a third servo motor 43. The lifting component 4 is fixedly connected to the upper end of the second base plate 33, and the side of the lifting platform 41 is slidably connected to the workbench 3. The lifting platform 41 and the opposite side of the second base plate 33 are fixedly connected with connecting plates 42, the interior of the connecting plate 42 is slidably connected to the slider 421 through a slide groove, and limit members are arranged at both ends of the slide groove. A third servo motor 43 is installed on one side of the upper connecting plate 42, and the output end of the third servo motor 43 is fixedly connected to the third screw rod 431, and the third screw rod 431 is threadedly connected to the middle part of the slider 421. Both ends of the slider 421 are rotatably connected to the rotating plate 44, and the middle parts of the two rotating plates 44 are rotatably connected through a rotating shaft, and the other end of the rotating plate 44 is rotatably connected to the second connecting block 45, and the second connecting block 45 is respectively fixedly connected to the second bottom plate 33 and the opposite side of the lifting platform 41, and the third servo motor 43 drives the slider 421 to move along the slide groove in the connecting plate 42, thereby driving the two rotating plates 44 to approach or move away from each other and driving the lifting platform 41 to rise or fall, thereby compensating for the height difference between the coupling 22 and the output end of the test motor.

[0063] In addition, the present invention also provides a motor testing method, which specifically includes the following steps:

[0064] S1. Place the test motor in the lower limit slot, start the hydraulic telescopic column to extend and drive the movable plate to descend so that the upper fixed mold abuts against the upper surface of the test motor, fix the test motor between the lower fixed mold and the upper fixed mold, power the test motor, and then start the test motor to test the no-load performance of the test motor;

[0065] S2. Start the second screw rod to drive the second connecting rod to rotate upward, and drive the rotating bracket to rotate through the first connecting rod. The second connecting rod stops rotating after rotating to the horizontal position. The alignment camera takes a picture of the output shaft of the test motor and feeds back the image information to the processing terminal. The processing terminal recognizes the image and obtains the displacement difference between the current position and the alignment center through algorithm processing, and feeds back the displacement difference to the control terminal. The control terminal controls the third servo motor to start and drive the lifting platform to rise or fall to compensate for the height difference. Through multiple times of the above operations, the axis center of the output shaft of the test motor is aligned with the axis center of the coupling, and the swing motor is started again to rotate in the opposite direction to recover the alignment camera;

[0066] S3. Start the second servo motor to drive the test assembly to move toward the test motor, the coupling is sleeved on the outside of the test motor output shaft, stop the second servo motor, tighten the bolts on the coupling to fix the coupling to the test motor output shaft;

[0067] S4. Start the test motor to perform a no-load torque performance test, and the torque sensor feeds back the torque data of the test motor when it is running to the processing terminal;

[0068] S5. Stop the test motor, start the first servo motor to drive the push plate to the standard load sheet on the outside, start the drive motor to drive the two push plates to approach each other and insert them between the two standard load sheets and then stop, start the first servo motor to drive the push plate to move toward the load fixing module, push the standard load sheet onto the load fixing module, and insert the positioning protrusion into the positioning groove to position the standard load sheet. Start the test motor, and the sliding limit block slides outward under the action of centrifugal force and engages with the limit hole to fix the standard load sheet. Repeat the above operations to increase the load and test the load performance and torque performance of the test motor under different load conditions.

[0069] The above description is only a specific implementation mode of the present application and is not intended to limit the scope of protection of the present application. For those skilled in the art, the present application may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should also be included in the scope of protection of the present application. Therefore, the scope of protection of the present application shall be based on the scope of protection of the claims.

[0070] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

Claims

1. A motor comprehensive performance testing device, characterized in that: include: A motor clamping assembly (1), wherein the motor clamping assembly (1) is fixedly mounted above the workbench (3), and the motor clamping assembly (1) is used to clamp and fix the test motor; A test assembly (2), the test assembly (2) being arranged on one side of the motor clamping assembly (1), the test assembly (2) being used to perform load and torque tests on the test motor; A lifting assembly (4), the lifting assembly (4) being arranged below the test assembly (2), the lifting assembly (4) being used to adjust the position of the test assembly (2) when the test motor is connected to a load; A visualization terminal (31), which is installed on the upper end of the workbench (3) and is used to display test data and results; An electrical cabinet (32), the electrical cabinet (32) being arranged below the workbench (3), and the electrical cabinet (32) being provided with a processing terminal for receiving and processing test data and a control terminal for controlling each motor; Wherein, the motor clamping assembly (1) comprises: A lower fixed mold (12), the lower fixed mold (12) is installed above the base (11) by bolts, the base (11) is fixedly connected to the upper end of the workbench (3), and a lower limit groove (121) is provided at the upper end of the lower fixed mold (12), and the lower limit groove (121) is used to limit the test motor; A support frame (13), wherein the lower end of the support frame (13) is fixedly connected to the base (11), and the inner walls at both ends of the support frame (13) are provided with sliding grooves (131); A hydraulic telescopic column (14), wherein the hydraulic telescopic column (14) is fixedly mounted at the middle of the upper end of the support frame (13), the output end of the hydraulic telescopic column (14) passes through the top cross beam of the support frame (13) and is fixedly connected to the movable plate (15), and the two ends of the movable plate (15) are slidably connected to the support frame (13) via sliding grooves (131); An upper fixed mold (16), wherein the upper fixed mold (16) is mounted on the lower end of the movable plate (15) via a mounting plate, and an upper limit groove (161) is provided at the lower end of the upper fixed mold (16), wherein the upper limit groove (161) cooperates with the lower limit groove (121) to limit and fix the test motor; The test component (2) comprises: A first bottom plate (201), the first bottom plate (201) being used to drive the test assembly (2) to move toward the test motor; An alignment module (21), the alignment module (21) being arranged at the left end of the test assembly (2) and having a lower end fixedly connected to the first bottom plate (201); A coupling (22), wherein the coupling (22) is arranged above the alignment module (21), and the coupling (22) is aligned and calibrated with the output end of the test motor through the alignment module (21); A torque sensor (23), the torque sensor (23) being mounted on the upper end of the first base plate (201), the torque sensor (23) being inserted into the interior of the coupling (22) via a rotating shaft provided on one side and being fixed by bolts; A fixing module (24), wherein the left end of the load fixing module (24) is fixedly connected to a rotating shaft provided on one side of the torque sensor (23), the load fixing module (24) comprising a load connecting shaft (241) for mounting a load and a limiting plate (242) fixedly connected to one side of the load connecting shaft (241), and a plurality of positioning protrusions (2411) are evenly distributed around the circumference of the load connecting shaft (241); A load installation module (25), wherein the load installation module (25) is arranged on the right side of the load fixing module (24), and the load installation module (25) is used to install the load on the load fixing module (24).

2. A motor comprehensive performance testing device according to claim 1, characterized in that: The load fixing module (24) further comprises a central shaft (2412), a sliding limit block (2413) and a damping spring (2414); the central shaft (2412) is arranged inside the load connecting shaft (241); one end of the positioning protrusion (2411) extending to the inside of the load connecting shaft (241) is connected to the central shaft (2412); a sliding groove is provided inside the positioning protrusion (2411); the sliding limit block (2413) is slidingly connected to the positioning protrusion (2411) via the sliding groove; and a damping spring (2414) is provided between the sliding limit block (2413) and the central shaft (2412).

3. A motor comprehensive performance testing device according to claim 1, characterized in that: The load installation module (25) comprises a standard load sheet (251), a fixed shaft (252) and a vertical plate (253); a plurality of standard load sheets (251) are provided and are all sleeved on the surface of the fixed shaft (252); one end of the fixed shaft (252) is fixedly connected to the vertical plate (253); a first servo motor (2531) is installed on one side of the vertical plate (253); an output end of the first servo motor (2531) passes through the vertical plate (253) and is fixedly connected to a first screw rod (2532); the first screw rod (2532) is threadedly connected to a sliding block (254); guide rods (2533) are slidably connected to both sides of the sliding block (254); one end of the guide rod (2533) is fixedly connected to the vertical plate (253).

4. A motor comprehensive performance testing device according to claim 3, characterized in that: The standard load sheet (251) is provided with a plurality of positioning grooves (2511) matching the positioning protrusions (2411), and the positioning grooves (2511) are each provided with a limiting hole (2512) corresponding to the damping spring (2414).

5. The motor comprehensive performance testing device according to claim 3 is characterized in that: Two push plates (255) are arranged at the upper end of the sliding block (254), and the bottom of the push plate (255) is rotatably connected to the sliding block (254) through a connecting seat, and one side of the push plate (255) is rotatably connected to a first connecting block (2551), and the middle part of the first connecting block (2551) is threadedly connected to a bidirectional screw rod (2561), and the sliding block (254) is connected to the bidirectional screw rod (2561) through fixing plates arranged on both sides, and a driving motor (256) is installed on one side of the push plate (255), and the driving motor (256) drives the push plate (255) to move closer to or away from each other through the transmission of the bidirectional screw rod (2561) and the first connecting block (2551).

6. A motor comprehensive performance testing device according to claim 1, characterized in that: The alignment module (21) comprises a fixed block (211), a rotating bracket (212) and an alignment camera (213); the lower end of the fixed block (211) is fixedly connected to the first bottom plate (201); both ends of the rotating bracket (212) are rotatably connected to the alignment module (21); the alignment camera (213) is mounted on one side of the rotating bracket (212); the alignment camera (213) is aligned with the axis of the coupling (22); a swing motor (216) is mounted on the side of the fixed block (211); the swing motor (216) The output end is fixedly connected with a second connecting rod (215); one end of the second connecting rod (215) is rotatably connected to the first connecting rod (214) via a rotating shaft; the other end of the first connecting rod (214) is rotatably connected to the lower end of the rotating bracket (212); a limit block (217) is arranged above the second connecting rod (215); the swing motor (216) drives the rotating bracket (212) to rotate along the rotating shaft via the first connecting rod (214) and the second connecting rod (215); the limit block (217) causes the second connecting rod (215) to rotate to a horizontal position and then stop.

7. A motor comprehensive performance testing device according to claim 6, characterized in that: The lower end of the first bottom plate (201) is fixedly connected to two support blocks (26), the lower ends of the support blocks (26) are slidably connected to the slide rails, a second screw rod (261) is arranged between the two support blocks (26), the second screw rod (261) is fixedly connected to the output end of the second servo motor (262), the surface of the second screw rod (261) is threadedly connected to a protrusion arranged at the lower end of the first bottom plate (201), and the second servo motor (262) drives the first bottom plate (201) to move left and right through the second screw rod (261).

8. The motor comprehensive performance testing device according to claim 1, characterized in that: The lifting component (4) comprises a lifting platform (41), a connecting plate (42) and a third servo motor (43); the lifting component (4) is fixedly connected to the upper end of the second base plate (33); the side of the lifting platform (41) is slidably connected to the workbench (3); the lifting platform (41) and the opposite side of the second base plate (33) are fixedly connected with a connecting plate (42); the interior of the connecting plate (42) is slidably connected to a slider (421) through a sliding groove; a third servo motor (43) is installed on one side of the upper connecting plate (42); the output end of the third servo motor (43) is fixedly connected with a third screw rod (431); the third screw rod (431) is threadedly connected to the middle part of the slider (421).

9. A motor comprehensive performance testing device according to claim 8, characterized in that: Both ends of the slider (421) are rotatably connected to the rotating plate (44), the middle parts of the two rotating plates (44) are rotatably connected via a rotating shaft, and the other end of the rotating plate (44) is rotatably connected to a second connecting block (45), and the second connecting block (45) is respectively fixedly connected to the second bottom plate (33) and the opposite side of the lifting platform (41).

10. A motor testing method, characterized in that: The test method is carried out using the motor comprehensive performance test device described in claims 1-9, and specifically comprises the following steps: S1. Place the test motor in the lower limit slot, start the hydraulic telescopic column to extend and drive the movable plate to descend so that the upper fixed mold abuts against the upper surface of the test motor, fix the test motor between the lower fixed mold and the upper fixed mold, power the test motor, and then start the test motor to test the no-load performance of the test motor; S2. Start the second screw rod to drive the second connecting rod to rotate upward, and drive the rotating bracket to rotate through the first connecting rod. The second connecting rod stops rotating after rotating to the horizontal position. The alignment camera takes a picture of the output shaft of the test motor and feeds back the image information to the processing terminal. The processing terminal recognizes the image and obtains the displacement difference between the current position and the alignment center through algorithm processing, and feeds back the displacement difference to the control terminal. The control terminal controls the third servo motor to start and drive the lifting platform to rise or fall to compensate for the height difference. Through multiple times of the above operations, the axis center of the output shaft of the test motor is aligned with the axis center of the coupling, and the swing motor is started again to rotate in the opposite direction to recover the alignment camera; S3. Start the second servo motor to drive the test assembly to move toward the test motor, the coupling is sleeved on the outside of the test motor output shaft, stop the second servo motor, tighten the bolts on the coupling to fix the coupling to the test motor output shaft; S4. Start the test motor to perform a no-load torque performance test, and the torque sensor feeds back the torque data of the test motor when it is running to the processing terminal; S5. Stop the test motor, start the first servo motor to drive the push plate to the standard load sheet on the outside, start the drive motor to drive the two push plates to approach each other and insert them between the two standard load sheets and then stop, start the first servo motor to drive the push plate to move toward the load fixing module, push the standard load sheet onto the load fixing module, and insert the positioning protrusion into the positioning groove to position the standard load sheet. Start the test motor, and the sliding limit block slides outward under the action of centrifugal force and engages with the limit hole to fix the standard load sheet. Repeat the above operations to increase the load and test the load performance and torque performance of the test motor under different load conditions.

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