Motor assembly detection device
By designing a motor assembly testing device that combines a weight-adding pan with a lifting mechanism, the problem that existing devices cannot simulate high-intensity impact conditions is solved, enabling a comprehensive evaluation of motor performance, improving the accuracy and stability of testing, and reducing equipment failure rate.
Patent Information
- Application Number
- CN202511201745.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-26
- Publication Date
- 2025-10-17
AI Technical Summary
Existing motor testing devices cannot further simulate high-intensity impact conditions on top of simulated vibration environments, resulting in an inability to comprehensively evaluate the overall performance of motors under complex actual working conditions, which poses potential safety hazards.
A motor assembly testing device was designed, which combines a weight-adding pan and a lifting mechanism. It simulates free-fall impact conditions and vibration states using amplitude springs and dampers. The modular and adjustable design integrates rotational vibration and impact resistance testing. It uses pressure sensors for real-time monitoring and combines precision mechanical transmission structures and high-strength materials to ensure the accuracy and stability of the testing.
It enables comprehensive performance testing of motors under complex operating conditions, reduces the limitations of equipment use, improves testing efficiency and safety, extends equipment lifespan, and provides more complete data support.
Smart Images

Figure CN120800718A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of motor assembly, in particular to a motor assembly detection device. BACKGROUND
[0002] At present, in the field of new energy vehicles and special equipment, the motor operating condition is complex, and various challenges such as road bumps and high load impact are faced, so the anti-impact and vibration performance of the motor is directly related to the power output, safe operation and service life of the equipment, and the corresponding detection has become a key technical link in the industry. At present, the related detection technology still has significant limitations;
[0003] For example, the servo motor vibration detector disclosed in the publication number "CN217930529U" realizes the vibration detection adaptation of servo motors of different sizes through the design of a workbench, a first detection table, a second detection table and a threaded column, but its function is limited to simulating a vibration environment. In actual application, new energy vehicle and special equipment motors not only need to withstand continuous vibration, but also need to withstand high-intensity impact such as sudden acceleration and heavy lifting, and the existing detection device cannot further simulate such impact conditions on the basis of simulating vibration, resulting in the inability to comprehensively evaluate the comprehensive performance of the motor under complex actual working conditions. The lack of such detection capability makes it difficult to expose the potential anti-impact performance defects of the motor, which may lead to safety hazards such as winding loosening and component breakage during equipment operation, and restricts the reliability and safety improvement of the new energy vehicle and special equipment industry. It can be seen that the existing technology has certain defects and deficiencies, and therefore needs to be improved in design. SUMMARY
[0004] In order to improve the detection effect of the device during application, the application provides a motor assembly detection device.
[0005] The motor assembly detection device provided by the application adopts the following technical scheme: a base plate is provided, a base frame is fixedly installed on the top of the base plate, a hoisting mechanism is fixedly installed on the top of the base frame, a clamping mechanism is fixedly installed at the bottom of the hoisting mechanism, a transmission mechanism is fixedly installed in the base frame, and the clamping mechanism and the transmission mechanism are in transmission connection.
[0006] The clamping mechanism comprises a hoisting steel cable, the hoisting steel cable is fixedly installed at the bottom of the hoisting mechanism, a weight-bearing assembly is fixedly installed at the bottom of the hoisting steel cable, a linkage assembly is fixedly installed at the bottom of the weight-bearing assembly, the linkage assembly and the transmission mechanism are in transmission connection, detection assemblies are fixedly installed at the inner sides of both ends of the linkage assembly, and clamping plates are fixedly connected to the inner sides of the detection assemblies.
[0007] Optionally, the clamping plates are in V-shaped arrangement in plan view, and anti-skid groove is linearly arranged at equal intervals on the inner sides of the clamping plates.
[0008] Optionally, the hanging mechanism comprises a hanging bracket, the hanging bracket is fixedly installed on the top of the base frame, a square groove is formed in the middle of the top of the hanging bracket, side plates are fixedly installed at both ends in the square groove, a first motor is fixedly installed on the back of the side plate at the rear side, a winding shaft is fixedly installed on the output end of the first motor and penetrates through the side plate, the winding shaft is rotatably connected to the inner side of the side plate, and the bottom of the winding shaft is fixedly connected to the top of the hanging steel cable.
[0009] Optionally, a fixing seat is fixedly installed in the middle of the bottom in the base frame, a first pressure sensor is fixedly installed on the top of the fixing seat, and a bottom disc is fixedly connected to the top of the first pressure sensor.
[0010] Optionally, a front protective baffle is fixedly installed on the lower end of the front side of the base frame, and the front protective baffle covers the front of the fixing seat and the bottom disc.
[0011] Optionally, the weight-bearing assembly comprises a cross rod, a receiving disc is fixedly installed in the middle of the top of the cross rod, the receiving disc is fixedly connected to the bottom of the hanging steel cable, and a plurality of weight-increasing weight disc are placed on the top of the receiving disc.
[0012] Optionally, a clamping groove is formed in the top of the weight-increasing weight disc, a protruding plate is fixedly connected to the bottom of the weight-increasing weight disc, and the protruding plate at the bottom of the top weight-increasing weight disc is inserted into the clamping groove at the top of the bottom weight-increasing weight disc.
[0013] Optionally, the transmission mechanism comprises guide rails and a fixed strip, the guide rails are fixedly installed in the middle of the inner sides of the base frame, and the fixed strip is fixedly installed at one end of the rear side in the base frame; a rack is fixedly installed on the front of the fixed strip, and the rack is in transmission connection with the linkage assembly.
[0014] Optionally, the linkage assembly comprises a sliding plate, the sliding plate is slidingly connected to the inside of the guide rail, fixed discs are fixedly installed on the inner sides of the sliding plate, annular grooves are formed in the inner sides of the fixed discs, sliding rings are slidingly connected in the annular grooves, frames are fixedly installed on the inner sides of the sliding rings, sliding grooves are formed in the inner sides of both sides of the frames, sliding blocks are slidingly connected at both ends in the sliding grooves, the detection assembly is fixedly installed on the inner sides of the sliding blocks, a lead screw is rotatably connected in the sliding groove at the front end in the frame, the screw threads of both ends of the lead screw are opposite in screw direction, a second motor is fixedly installed on the front end of the side of the frame away from the rack, the output end of the second motor is fixedly connected to the end of the lead screw, the sliding block in the sliding groove at the front end is in threaded connection with both ends of the lead screw, a gear ring is fixedly installed on the outer side of the sliding ring on the side close to the rack, and the gear ring is in meshing connection with the gear.
[0015] Optionally, the detection assembly comprises a connecting rod fixedly connected to the inner sides of the two sliding blocks, a disc is fixedly installed at the middle of the inner side of the connecting rod, a circular groove is formed in the inner side of the disc, outer hinge seats are fixedly installed in the circular groove at equal intervals, a second pressure sensor is hingedly connected to the inner side of the outer hinge seat, the second pressure sensor, an amplitude spring is fixedly connected to the inner side of the second pressure sensor, an inner hinge seat is fixedly connected to the inner side of the amplitude spring, a base is hingedly connected to the inner side of the inner hinge seat, the inner side of the base and the outer side of the clamping plate are fixedly connected, a damper is arranged on the inner side of the amplitude spring, and the two ends of the damper are fixedly connected to the inner sides of the second pressure sensor and the outer hinge seat.
[0016] In summary, the present application has the following beneficial technical effects:
[0017] 1. During the application of the device, impact resistance detection and rotary vibration detection are integrated into the same system, breaking through the limitations of traditional equipment with single function. Through the cooperation of the weight increasing weight disc and the hanging mechanism, the free fall impact working condition simulation is realized, and the first pressure sensor at the bottom of the chassis collects impact force data in real time. The gear ring and rack transmission structure is used to drive the motor to rotate when the clamping mechanism falls, and the vibration state is simulated by combining the amplitude spring and the damper. The second pressure sensor monitors the pressure fluctuation. The two detection modes work together to fully cover the performance test requirements of motors in complex working conditions in the fields of new energy vehicles and special equipment, avoiding performance risks caused by insufficient detection dimensions, and providing more complete data support for motor quality evaluation;
[0018] 2. The device adopts modular and adjustable design, which significantly improves the detection flexibility. The weight increasing weight disc is combined through the clamping groove and the convex plate, supporting free stacking of multiple weights, and adapting to the impact resistance test of motors of different specifications. The V-shaped clamping plate is driven to move horizontally by the screw rod and sliding block structure, and can be accurately fixed to motors of different diameters by combining the anti-skid groove design. The gear ring and rack transmission ratio and the screw stroke are adjustable, realizing fine control of the rotation speed and clamping force. These characteristics enable the device to quickly respond to diversified detection standards. Whether it is a small servo motor or a high-power industrial motor, efficient detection can be achieved through parameter adjustment, greatly reducing the limitations of equipment use;
[0019] 3. The device ensures accurate and reliable detection data through structural optimization and precise sensing technology. The first and second pressure sensors dynamically monitor the impact force and vibration pressure, respectively. The damper suppresses spring oscillation to reduce data fluctuation error. The V-shaped clamping plate cooperates with the anti-slip groove and the precise fine adjustment of the lead screw to prevent displacement during motor detection, resulting in deviation. At the same time, the core components such as the base frame and guide rail are made of high-strength materials and cooperate with precise mechanical transmission structure to ensure the stability of the device in high-frequency detection. The front protective baffle prevents debris from splashing, improving operation safety. With multiple technical guarantees, the device not only improves detection efficiency, but also prolongs equipment service life and reduces maintenance cost, providing an efficient and reliable solution for motor production and quality inspection. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is the overall structure schematic diagram in the embodiment of the present application;
[0021] Figure 2 is the internal overhead structure schematic diagram of the base frame in the embodiment of the present application;
[0022] Figure 3 is the internal front view structure schematic diagram of the base frame in the embodiment of the present application;
[0023] Figure 4 is the clamping mechanism structure schematic diagram in the embodiment of the present application;
[0024] Figure 5 is the linkage assembly and detection assembly structure schematic diagram in the embodiment of the present application;
[0025] Figure 6 is the clamping mechanism structure schematic diagram in the embodiment of the present application;
[0026] Figure 7 is the linkage assembly and detection assembly structure schematic diagram in the embodiment of the present application;
[0027] Figure 8 is the detection mechanism structure schematic diagram in the embodiment of the present application.
[0028] Figure numerals: 1, base plate; 2, hanging mechanism; 21, hanger; 22, square groove; 23, side plate; 24, first motor; 25, reel; 3, clamping mechanism; 31, hanging cable; 32, load-bearing assembly; 321, cross bar; 322, receiving plate; 323, weight-increasing weight plate; 324, slot; 325, convex plate; 33, linkage assembly; 331, slide plate; 332, fixed plate; 333, annular groove; 334, slip ring; 335, frame; 336, slide groove; 337, slider; 338, wire Rod; 339, second motor; 3310, gear ring; 34, detection assembly; 341, connecting rod; 342, disc; 343, circular groove; 344, outer hinge seat; 345, second pressure sensor; 346, amplitude spring; 347, inner hinge seat; 348, base; 349, damper; 35, clamping plate; 36, anti-slip strip groove; 4, base frame; 5, transmission mechanism; 51, guide rail; 52, fixing bar; 53, rack; 6, fixing seat; 7, first pressure sensor; 8, chassis; 9, front protective baffle. DETAILED DESCRIPTION
[0029] The following is combined with Figures 1-8 This application is described in further detail.
[0030] The present application discloses a motor assembly detection device. Figures 1-8 As shown, it includes a base plate 1, a base frame 4 is fixedly installed on the top of the base plate 1, a hanging mechanism 2 is fixedly installed on the top of the base frame 4, a clamping mechanism 3 is fixedly installed on the bottom of the hanging mechanism 2, and a transmission mechanism 5 is fixedly installed inside the base frame 4. The clamping mechanism 3 and the transmission mechanism 5 are in transmission connection;
[0031] The clamping mechanism 3 comprises a lifting cable 31 fixedly installed at the bottom of the lifting mechanism 2, the bottom of the lifting cable 31 is fixedly installed with a load bearing assembly 32, the bottom of the load bearing assembly 32 is fixedly installed with a linkage assembly 33, the linkage assembly 33 is in transmission connection with the transmission mechanism 5, the inner sides of both ends of the linkage assembly 33 are fixedly installed with detection assemblies 34, the inner sides of the detection assemblies 34 are fixedly connected with clamping plates 35, during the application of the device, the base plate 1 provides stable support for the entire device during motor assembly detection, the base frame 4 serves as the main frame 335 to bear various functional mechanisms, the first motor 24 in the lifting mechanism 2 drives the rotating of the winding shaft 25, the lifting cable 31 is wound or lengthened, the height of the clamping mechanism 3 is controlled, in the clamping mechanism 3, the weight disc 323 of the load bearing assembly 32 can be stacked as needed, providing different weight loads for motor impact resistance detection; the sliding plate 331 of the linkage assembly 33 slides along the internal guide rail 51 of the base frame 4, when the sliding plate 331 moves, the gear ring 3310 on the outer side of the sliding ring 334 meshes with the gear rack 53 on the fixed strip 52 to drive the sliding ring 334 to rotate in the annular groove 333 of the fixed disc 332, thereby driving the frame 335 and the detection assembly 34 to move, in the detection assembly 34, the second motor 339 drives the rotating of the lead screw 338, the opposite thread directions of the lead screw 338 at both ends make the two sliding blocks 337 move synchronously towards or reversely in the sliding groove 336, thereby adjusting the distance between the clamping plates 35 to firmly clamp the motor, at the same time, the amplitude spring 346, the damper 349 and the second pressure sensor 345 in the detection assembly 34 work cooperatively, during motor rotating vibration detection, the centrifugal force makes the amplitude spring 346 stretch and deform, the damper 349 suppresses the oscillation, the second pressure sensor 345 monitors the pressure fluctuation generated by the spring stretching and contracting in real time, combined with the rotating of the motor driven by the transmission mechanism 5, the comprehensive detection of the motor performance is realized; during impact resistance detection, the self-locking device of the first motor 24 of the lifting mechanism 2 is loosened, the clamping mechanism 3 freely falls under the action of the weight gravity, the motor hits the bottom plate 8, the first pressure sensor 7 collects the impact force data, and the impact resistance performance evaluation is completed.
[0032] Please refer to Figures 4-8The transmission mechanism 5 includes a guide rail 51 and a fixed bar 52. The guide rail 51 is fixedly installed in the middle of both sides of the inner part of the base frame 4. The fixed bar 52 is fixedly installed at one end of the rear side of the inner part of the base frame 4. A rack 53 is fixedly installed on the front of the fixed bar 52. The rack 53 is transmission-connected to the linkage assembly 33. The linkage assembly 33 includes a slide 331. The slide 331 is slidably connected to the inner part of the guide rail 51. A fixed disk 332 is fixedly installed on the inner side of the slide 331. An annular groove 333 is provided on the inner side of the fixed disk 332. A slip ring 334 is slidably connected to the inner side of the annular groove 333. A frame 335 is fixedly installed on the inner side of the slip ring 334. Slide grooves 336 are provided on both sides of the inner part of the frame 335. Slide blocks 337 are slidably connected to the inner ends of the slide groove 336. The detection component 34 is fixedly installed on the inner side of the slider 337, and the screw rod 338 is rotatably connected inside the slide groove 336 at the front end in the frame 335. The threads at both ends of the screw rod 338 rotate in opposite directions. A second motor 339 is fixedly installed on the front end of the frame 335 away from the rack 53. The output end of the second motor 339 is fixedly connected to the end of the screw rod 338. The slider 337 located inside the front end slide groove 336 in the two slide grooves and the two ends of the screw rod 338 are threadedly connected. A gear ring 3310 is fixedly installed on the outside of the slip ring 334 near the rack 53. The gear ring 3310 is meshed with the gear. The detection component 34 includes a connecting rod 341, which is fixedly connected to the inner sides of the two sliders 337. The inner side of the connecting rod 341 A disc 342 is fixedly installed in the middle part, and a circular groove 343 is opened on the inner side of the disc 342. An outer hinge seat 344 is fixedly installed in the inner side of the circular groove 343 at equal intervals in a ring shape. A second pressure sensor 345 is hinged on the inner side of the outer hinge seat 344. The second pressure sensor 345 and the second pressure sensor are fixedly connected to the inner side of an amplitude spring 346. The inner side of the amplitude spring 346 is fixedly connected to an inner hinge seat 347. The inner side of the inner hinge seat 347 is hinged to a base 348. The inner side of the base 348 is fixedly connected to the outer side of the clamping plate 35. A damper 349 is provided on the inner side of the amplitude spring 346. The two ends of the damper 349 are respectively fixedly connected to the second pressure sensor 345 and the inner side of the outer hinge seat 344. During use, the motor assembly detection device When the device is in operation, the transmission mechanism 5 cooperates with the linkage assembly 33 and the detection assembly 34 to realize the rotation vibration detection function. The guide rails 51 on both sides of the base frame 4 provide sliding guides for the slide plate 331. When the clamping mechanism 3 falls, the slide plate 331 moves along the guide rails 51. At this time, the gear ring 3310 on the outer side of the slip ring 334 on the fixed plate 332 inside the slide plate 331 is engaged with the rack 53 on the front side of the fixed bar 52. The gear ring 3310 is driven by the rack 53 to roll in the annular groove 333 of the fixed plate 332, driving the slip ring 334, the frame 335 and the detection assembly 34 to rotate, thereby causing the motor fixed to the clamping plate 35 to rotate synchronously. At the same time, the second motor 339 starts to drive the screw rod 338 to rotate. Since the threads at both ends of the screw rod 338 rotate in opposite directions,The inner slider 337 in the front end sliding groove 336 connected with the screw will move synchronously or reversely, and the distance between the clamping plates 35 can be changed by adjusting the position of the slider 337, so as to adapt to the clamping requirements of motors of different sizes. During the rotation of the motor, the centrifugal force makes the amplitude spring 346 in the detection assembly 34 stretch and deform, the damper 349 on the inner side of the spring inhibits oscillation, and the transmission structure composed of the outer hinge base 344, the second pressure sensor 345, the amplitude spring 346, the inner hinge base 347 and the base 348 transmits the pressure change generated by the stretching and contraction of the spring to the second pressure sensor 345, so as to monitor and collect pressure fluctuation data in real time, and evaluate the performance of the motor under the rotating vibration working condition.
[0033] Please refer to Figures 1-2 and Figures 3-7 The weight assembly 32 comprises a cross rod 321, a receiving disc 322 is fixedly installed at the top middle of the cross rod 321, the top middle of the receiving disc 322 is fixedly connected with the bottom of the suspension cable 31, a plurality of weight discs 323 are placed on the top of the receiving disc 322, a clamping groove 324 is formed in the top of the weight disc 323, a protruding plate 325 is fixedly connected with the bottom of the weight disc 323, the protruding plate 325 at the bottom of the top weight disc 323 is inserted into the clamping groove 324 at the top of the bottom weight disc 323, and the weight assembly 32 is modularly designed to flexibly adjust the motor impact resistance detection conditions during the operation of the motor assembly detection device. The receiving disc 322 at the top of the cross rod 321 serves as a core carrier, the top of which is connected with the suspension cable 31, and the bottom is fixed to the cross rod 321, forming a load hub. During use, the operator can stack a plurality of weight discs 323 on the top of the receiving disc 322 according to the preset impact test standard. The weight discs are fixed to each other through the embedding structure of the top clamping groove 324 and the bottom protruding plate 325. This concave-convex matching design can not only ensure that the weight discs remain stable after stacking and avoid falling due to shaking or collision during detection, but also facilitate quick disassembly and assembly. When performing impact resistance detection, the suspension mechanism 2 releases the cable, and the weight assembly 32 drives the motor to free fall. The weight of the weight disc determines the size of the falling impact force. By increasing or decreasing the number of weight discs or replacing weight discs of different weight specifications, various impact working conditions from low intensity to high intensity can be simulated to meet the impact resistance performance test requirements of different types of motors, making the detection results more suitable for actual application scenarios.
[0034] Please refer to Figures 1-6The top view shape of the clamping plate 35 is arranged in a V shape, the inner side of the clamping plate 35 is linearly arranged at equal intervals and is provided with anti-skid grooves 36, the lifting mechanism 2 comprises a lifting frame 21, the lifting frame 21 is fixedly installed on the top of the base frame 4, a square groove 22 is formed in the middle of the top of the lifting frame 21, side plates 23 are fixedly installed at both ends in the square groove 22, a first motor 24 is fixedly installed on the back of the side plate 23 at the rear side, a winding shaft 25 is fixedly installed at the output end of the first motor 24 and penetrates through the side plate 23, the winding shaft 25 is rotationally connected to the inner side of the side plate 23, the bottom of the winding shaft 25 is fixedly connected to the top of the lifting steel cable 31, a fixed seat 6 is fixedly installed in the middle of the bottom of the base frame 4, a first pressure sensor 7 is fixedly installed on the top of the fixed seat 6, a bottom plate 8 is fixedly connected to the top of the first pressure sensor 7, a front protective baffle 9 is fixedly installed on the lower end of the front side of the base frame 4, the front protective baffle 9 covers the front of the fixed seat 6 and the bottom plate 8, during the application of the device, the structures cooperate with each other during the operation of the motor assembly detection device, the clamping plate 35 arranged in a V shape cooperates with the anti-skid grooves 36 on the inner side, the self-adaptive characteristics of the V-shaped structure can closely fit the motor housings with different diameters, the anti-skid grooves 36 increase the friction coefficient to prevent the motor from sliding and shifting during detection; in the lifting mechanism 2, the first motor 24 installed in the square groove 22 of the lifting frame 21 on the top of the base frame 4 drives the winding shaft 25, the lifting steel cable 31 is wound or released, the height of the clamping mechanism 3 is adjusted to meet the height requirement of the free fall of the motor during impact resistance detection, or the position of the motor is adjusted during different detection stages; the fixed seat 6 at the bottom of the base frame 4 supports the first pressure sensor 7 and the bottom plate 8, when impact resistance detection is performed, the motor falls and hits the bottom plate 8 with the clamping mechanism 3, and the first pressure sensor 7 collects impact force data in real time; the front protective baffle 9 at the lower end of the front side of the base frame 4 covers the front of the fixed seat 6 and the bottom plate 8, effectively blocks the splashing of possible debris during motor impact detection, ensures the safety of the operator and the cleanliness of the equipment, and avoids the influence of debris on the detection accuracy of the pressure sensor.
[0035] The implementation principle of the motor assembly detection device is as follows: during the application of the device, before detection starts, the device is initially adjusted, the operator starts the second motor 339 in the linkage assembly 33, the output end drives the screw rod 338 to rotate, because the screw rods 338 at both ends are opposite in screw direction, the two side sliding blocks 337 move synchronously and reversely in the sliding groove 336, the clamping plate 35 is expanded transversely to a position greater than the diameter of the motor to be detected, then the motor is horizontally placed between the inner sides of the two V-shaped clamping plates 35, the motor axis is aligned with the center line of the clamping plate 35, the second motor 339 is started again to drive the screw rod 338 to rotate reversely, the two side sliding blocks 337 move towards each other, the anti-skid groove 36 on the inner side of the clamping plate 35 gradually fits the motor shell, when the clamping plate 35 contacts the motor, the motor to be detected can be clamped and fixed, because the clamping plate is V-shaped, the motor to be detected can be stably clamped, during use, according to the impact test requirement, the weight plates 323 are stacked and embedded in the clamping groove 324 and the convex plate 325 on the receiving disc 322 of the weight assembly 32 to complete the counterweight preparation, the front protective baffle 9 at the lower end of the front side of the base frame 4 covers the front surface of the fixed seat 6 and the receiving disc 322 to prevent debris from splashing during subsequent detection, during use, the clamping groove 324 and the convex plate 325 are embedded to avoid the weight plates from falling off during use, after the motor clamping and the weight counterweighting are completed, the first motor 24 of the lifting mechanism 2 is started, the winding shaft 25 rotates to wind the lifting steel cable 31, drives the clamping mechanism 3, the motor and the weight to be lifted synchronously to a preset height, then the first motor 24 is self-locked to fix the steel cable, when impact detection is needed, the first motor 24 self-locking device is loosened, the lifting steel cable 31 is quickly lowered under the action of the weight gravity, the motor falls freely with the clamping mechanism 3, impacts the bottom disc 8 supported by the fixed seat 6 of the base frame 4, the second pressure sensor 345 below the bottom disc 8 collects the impact force data at the moment of impact in real time, by replacing the weight plates of different weight combinations, various impact working conditions of different intensity can be simulated, so that the comprehensive detection of the motor impact resistance performance is completed;
[0036] When the anti-impact detection is completed or the rotary vibration detection is performed alone, during the falling process of the clamping mechanism 3, the sliding plate 331 of the linkage assembly 33 slides along the internal guide rail 51 of the base frame 4, the tooth ring 3310 outside the sliding ring 334 is engaged with the gear rack 53 on the fixed strip 52, as the clamping mechanism 3 descends, the tooth ring 3310 rolls along the gear rack 53, driving the sliding ring 334 to rotate in the annular groove 333 of the fixed disc 332, and further driving the frame 335 and the motor to rotate synchronously, when the motor rotates, the centrifugal force makes the amplitude spring 346 in the detection assembly 34 deform by stretching and contracting, and the damper 349 inside the spring suppresses the oscillation, at this time, as the tooth ring 3310 and the gear rack 53 drive the sliding ring 334 in the annular groove 333 inside the fixed disc 332 to rotate, the sliding ring 334 rotates continuously, prompting the motor to be in a continuous rotating state, at this time, the vibration state of the motor in actual operation can be simulated, in this process, the linkage action of the outer hinge seat 344 and the inner hinge seat 347 causes the pressure or tension to act on each first pressure sensor 7, and then the pressure fluctuation data generated by the spring stretching and contracting can be monitored in real time through the first pressure sensor 7, and the performance stability of the motor under the dynamic rotary vibration working condition can be comprehensively analyzed by combining the rotary speed, so as to realize the quantitative evaluation of the vibration performance of the motor;
[0037] During use of the device, the anti-impact detection and the rotary vibration detection can be integrated in the same system, through the design of the weight counterweight and the gear rack 53 and the tooth ring 3310 transmission, the free-fall impact working condition can be simulated, and the dynamic detection under the rotary vibration state of the motor can be realized, compared with the traditional single-function detection equipment, the comprehensive performance of the motor under complex actual working conditions can be more comprehensively evaluated, the modular design of the weight increasing weight disc 323 supports flexible adjustment of the impact weight, and the anti-impact test requirements of motors of different specifications can be adapted; the clamping adjustment structure composed of the lead screw 338 and the sliding block 337 can flexibly clamp and fix motors of different sizes by changing the clamping distance according to the size of the motor, and the number of the weight increasing weight disc 323 can be adjusted, the neutral falling speed and the impact degree can be flexibly adjusted, and the overall detection adaptation performance can be improved, during use, the first pressure sensor 7 and the second pressure sensor 345 respectively monitor the impact degree and the vibration pressure in real time, cooperate with the damper 349 to stabilize the vibration simulation process, reduce the data error, the anti-slip strip groove 36 and the V-shaped clamping plate 35 ensure that the motor is fixed stably, avoid detection deviation caused by displacement, make the detection result more truly reflect the performance of the motor, the sliding cooperation of the internal guide rail 51 of the base frame 4 and the sliding plate 331, the winding design of the suspension mechanism 2 and the mechanical transmission structure between the components all adopt high-strength materials and precise assembly process, so as to guarantee the stability of the device in high-frequency and high-strength detection operation, reduce the equipment failure rate, and prolong the service life.
[0038] The above are all preferred embodiments of the present application, and do not limit the protection scope of the present application, so that: all equivalent changes made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A motor assembly detection device, characterized in that; The invention comprises a base plate (1), a base frame (4) is fixedly mounted on the top of the base plate (1), a hanging mechanism (2) is fixedly mounted on the top of the base frame (4), a clamping mechanism (3) is fixedly mounted on the bottom of the hanging mechanism (2), a transmission mechanism (5) is fixedly mounted inside the base frame (4), and the clamping mechanism (3) and the transmission mechanism (5) are in transmission connection; The clamping mechanism (3) comprises a lifting steel cable (31), the lifting steel cable (31) is fixedly mounted on the bottom of the lifting mechanism (2), a load-bearing component (32) is fixedly mounted on the bottom of the lifting steel cable (31), a linkage component (33) is fixedly mounted on the bottom of the load-bearing component (32), the linkage component (33) is transmission-connected to the transmission mechanism (5), detection components (34) are fixedly mounted on both ends of the inner side of the linkage component (33), and a clamping plate (35) is fixedly connected to the inner side of the detection component (34).
2. The motor assembly detection device according to claim 1, characterized in that: The clamping plate (35) is V-shaped when viewed from above, and anti-slip grooves (36) are arranged linearly at equal intervals on the inner side of the clamping plate (35).
3. The motor assembly detection device according to claim 2, characterized in that: The hoisting mechanism (2) includes a hanger (21), the hanger (21) is fixedly installed on the top of the base frame (4), a square groove (22) is opened in the middle of the top of the hanger (21), side discs (23) are fixedly installed at both ends of the square groove (22), a first motor (24) is fixedly installed on the back of the side disc (23) located at the rear side, the output end of the first motor (24) passes through the side disc (23) and is fixedly installed with a winding shaft (25), the winding shaft (25) is rotatably connected to the inner side of the side disc (23), and the bottom of the winding shaft (25) is fixedly connected to the top of the hoisting cable (31).
4. The motor assembly detection device according to claim 1, characterized in that: A fixing seat (6) is fixedly installed in the middle of the bottom of the base frame (4), a first pressure sensor (7) is fixedly installed on the top of the fixing seat (6), and the top of the first pressure sensor (7) is fixedly connected to a chassis (8).
5. The motor assembly detection device according to claim 1, characterized in that: A front protective baffle (9) is fixedly mounted on the lower front end of the base frame (4), and the front protective baffle (9) covers the front of the fixing seat (6) and the chassis (8).
6. The motor assembly detection device according to claim 2, characterized in that: The load-bearing assembly (32) includes a cross bar (321), a receiving plate (322) is fixedly installed in the middle of the top of the cross bar (321), the middle of the top of the receiving plate (322) is fixedly connected to the bottom of the suspension cable (31), and a plurality of weight-increasing weight plates (323) are placed on the top of the receiving plate (322).
7. The motor assembly detection device according to claim 6, characterized in that: The top of the weight-increasing weight disk (323) is provided with a slot (324), and the bottom of the weight-increasing weight disk (323) is fixedly connected with a convex plate (325), and the convex plate (325) located at the bottom of the top weight-increasing weight disk (323) is inserted into the slot (324) located at the top of the bottom weight-increasing weight disk (323).
8. The motor assembly detection device according to claim 7, characterized in that: The transmission mechanism (5) comprises a guide rail (51) and a fixing bar (52), wherein the guide rail (51) is fixedly mounted in the middle of both sides of the inner portion of the base frame (4), and the fixing bar (52) is fixedly mounted at one end of the inner rear side of the base frame (4). A rack (53) is fixedly mounted on the front side of the fixing bar (52), and the rack (53) is transmission-connected to the linkage assembly (33).
9. The motor assembly detection device according to claim 8, characterized in that: The linkage assembly (33) includes a slide plate (331), the slide plate (331) is slidably connected to the inside of the guide rail (51), a fixed disk (332) is fixedly installed on the inner side of the slide plate (331), an annular groove (333) is provided on the inner side of the fixed disk (332), a slip ring (334) is slidably connected to the inside of the annular groove (333), a frame (335) is fixedly installed on the inner side of the slip ring (334), a slide groove (336) is provided on both sides of the inside of the frame (335), and a slider (337) is slidably connected to the inner ends of the slide groove (336), and the detection assembly (34) is fixedly installed on the inner side of the slider (337). On the side, a screw rod (338) is rotatably connected inside the slide groove (336) at the front end of the frame (335), and the threads at both ends of the screw rod (338) are rotated in opposite directions. A second motor (339) is fixedly installed at the front end of the frame (335) away from the rack (53), and the output end of the second motor (339) is fixedly connected to the end of the screw rod (338). The slider (337) located inside the front slide groove (336) in the two slide grooves (336) and the two ends of the screw rod (338) are threadedly connected. A gear ring (3310) is fixedly installed on the outside of the slip ring (334) close to the rack (53), and the gear ring (3310) is meshed with the gear.
10. The motor assembly detection device according to claim 9, characterized in that: The detection assembly (34) includes a connecting rod (341), the connecting rod (341) is fixedly connected to the inner side of the two sliders (337), a disk (342) is fixedly installed in the middle of the inner side of the connecting rod (341), a circular groove (343) is opened on the inner side of the disk (342), and external hinge seats (344) are fixedly installed in the inner side of the circular groove (343) at equal intervals in a ring shape, and a second pressure sensor (345) is hinged on the inner side of the external hinge seat (344), and the second pressure sensor (345) The inner side of the second pressure sensor is fixedly connected to an amplitude spring (346), the inner side of the amplitude spring (346) is fixedly connected to an inner hinge seat (347), the inner side of the inner hinge seat (347) is hinged to a base (348), the inner side of the base (348) is fixedly connected to the outer side of the clamping plate (35), and a damper (349) is provided on the inner side of the amplitude spring (346), and the two ends of the damper (349) are respectively fixedly connected to the second pressure sensor (345) and the inner side of the outer hinge seat (344).
Citation Information
Patent Citations
Vibration detector for servo motor detection
CN217930529U