280 results about "Motor test" patented technology

The invention relates to the technical field of motor state monitoring and intelligent fault diagnosis, in particular to a motor test and diagnosis system and method based on multi-data acquisition, and the system comprises a multi-mode sensing array module, a heterogeneous data fusion module, a coupling feature mining module and a migration diagnosis decision module. Wherein the multi-mode sensing array module is used for collecting mechanical vibration time domain signals, temperature field space distribution data and near-field electromagnetic radiation spectrums of a motor; the heterogeneous data fusion module is used for generating a time-frequency matrix, a thermal field characteristic matrix and fundamental frequency harmonic energy distribution characteristics; the coupling feature mining module is used for generating a comprehensive diagnosis factor; and the migration diagnosis decision module is used for constructing a feature mapping network based on meta-learning and outputting a fault type and a confidence score. According to the invention, through multi-modal feature fusion and a metalearning-based migration diagnosis mechanism, high-precision identification and cross-model adaptive diagnosis of multi-source fault information under a complex working condition of the motor are realized.

The invention discloses a variable frequency motor load testing device and method, and relates to the technical field of variable frequency motor testing, and the device comprises a motor testing installation platform, a fastening T-shaped bolt, two variable frequency speed regulation asynchronous motors of the same model, a drum-shaped coupler, two inverters, a rectifier, a three-phase voltage regulator, a frequency converter and an intermediate DC link. According to the invention, two frequency conversion speed regulation asynchronous motors of the same model are coaxially connected, and the power generation electric energy of the accompanying test motor is fed back to an intermediate direct current link through an inverter, so that the cyclic utilization of the electric energy and the dual-motor structural design are realized, complex load equipment does not need to be configured, and the fixed asset investment is reduced; for motors of different models, only corresponding accompanying test motors need to be replaced, the universality is improved, through voltage and current monitoring in an intermediate direct current link and motor rotating speed and torque parameter collection, and by combining a multi-dimensional performance evaluation model, precise evaluation of the motor load performance is achieved, the test efficiency is improved, and the strict test requirements are met.

The invention discloses a motor test bench system, which comprises a hardware system architecture and a software system architecture, wherein the hardware system architecture comprises a mechanical load and sensing unit, a centralized power supply and excitation unit, a data acquisition and control center and an upper computer system; the software system architecture comprises a unified data layer, an automatic control layer, a dynamic load regulation layer, a full-automatic test sequence layer, a man-machine interaction layer, a data analysis and report layer and a collaborative development interface; the problems that an existing test bench is single in signal collection, incomplete in information collection and poor in data synchronism; the load cannot be dynamically changed in real time; and high-order test data results are poor in visualization and cannot be directly converted into test reports.

The invention discloses a motor testing device and a calibration method, a testing method and equipment thereof, and relates to the technical field of motor performance tests.A control assembly of the motor testing device is in communication connection with a torsion calibration device under the conditions that the motor testing device is in communication connection with the torsion calibration device, and a test calibration end is in transmission connection with the torsion calibration device; controlling the torque calibration device to output torque to the test calibration end, acquiring a torque value detected by the torque detection piece when the output torque of the torque calibration device reaches target calibration torque, and calibrating the torque detection piece according to a difference value between the detected torque value and the target calibration torque; under the condition that the motor testing device is electrically connected with the to-be-tested motor and the testing calibration end is in transmission connection with the to-be-tested motor, the controllable load part is controlled to output preset load torque to the torsion shaft and output preset electrical parameters to the to-be-tested motor, and torques detected by the torque detection part under different preset electrical parameters are obtained; according to the invention, the precision of motor small torque testing can be improved.

The invention relates to the technical field of motor test equipment, in particular to a multifunctional motor test operation system and method, and the method comprises the steps: a parameter detection module synchronously collects voltage, current, frequency, temperature, vibration, insulation resistance and DC resistance parameters, and converts the parameters into electric signals; the data processing module carries out amplification, filtering and analog-to-digital conversion on the electric signal to obtain a measured value; the storage module stores the measured value; and the report generation module automatically generates a test run report containing parameter analysis and qualification conclusions through a preset template based on the stored value. The parameter detection module synchronously collects various parameters and converts the parameters into electric signals, the data processing module processes the signals to obtain accurate measured values, the storage module stores data, and the report generation module automatically generates a test run report containing analysis and conclusion based on the stored values. The problems that the function is single, data integration is difficult and report generation is tedious are solved, the testing efficiency and accuracy are remarkably improved, and manual errors are avoided.

A dust injection system for engine testing and related methods are provided. The system includes a carrier pipe that defines a fluid flow path between an inlet and an outlet and an injection nozzle disposed within the carrier pipe between the inlet and the outlet. The injection nozzle receives a slurry comprising dust particulates and a carrier liquid, and injects the dust particulates and the carrier liquid into the fluid flow path. The carrier liquid is atomized and evaporates in the fluid flow path prior to the outlet to enable dried version of the dust particulates to exit the outlet.

The utility model discloses a rolling brush motor testing tool, which relates to the technical field of motor testing, and adopts the technical scheme that the rolling brush motor testing tool comprises a motor testing table, a motor testing device is arranged at the top of the motor testing table, a testing fixing seat is fixedly arranged at the top of the motor testing table, and a middle ring is fixedly arranged in the testing fixing seat; the rolling brush motor testing tool has the beneficial effects that the to-be-tested rolling brush motor is clamped and fixed through the plurality of clamping plates, so that the clamped to-be-tested rolling brush motor is located at the central position of the plurality of clamping plates, and the output ends of the to-be-tested rolling brush motors with different sizes can be always located at the coaxial position of the motor testing device and the motor penetrating groove; the motor testing device can accurately test motors of different sizes, the clamping plates are clamped in the middle area of the to-be-tested rolling brush motor, the purpose of preventing the clamping area from being close to the edge area of the to-be-tested rolling brush motor can be achieved, the situation that the clamping face falls off due to the fact that the clamping face is close to the edge in the testing process is prevented, and the testing efficiency is improved. And the stability during testing is improved.

The utility model relates to the field of push rod motor test, put forward a kind of push rod motor life test equipment, including base, the top of base is fixedly connected with support, the top of base is fixedly connected with recessed plate, the inner wall bottom top of recessed plate is fixedly connected with spring, the utility model drives first clamping plate, second clamping plate, third clamping plate, fourth clamping plate, threaded rod, threaded block, fixed plate, limit rod, connecting plate, recessed block etc. Assembly mutual cooperation by the driving force of motor, realizes the motor that starts to penetrate in hollow plate positive side, to drive the threaded rod rotation fixed in output shaft, threaded rod rotation drives the linear motion of threaded block in the circumference of limit rod in the circumference, in the detection process to push rod motor, prevent push rod motor from happening to shake, avoid the damage to staff and detection equipment, and simultaneously can detect multi-rod push rod motor.

The utility model relates to the technical field of motor testboards, and discloses a motor testboard with a buffer function, which comprises a workbench, a torque sensor and a load, a heat dissipation mechanism is fixedly arranged on one side of the upper end face of the workbench, and a buffer mechanism is fixedly arranged on one side of the middle of the upper end face of the workbench. A to-be-detected motor is clamped at the upper end of the buffer mechanism, the heat dissipation mechanism comprises a shell and a fence net, an upper groove is formed in the upper end face of the shell, and a wind shell is rotationally arranged between the inner wall of the front side and the inner wall of the rear side of the upper groove. According to the utility model, the rotating bidirectional threaded rod drives the two threaded blocks to get close to each other through threads, the two clamping arc plates clamp the motor to be detected, the motor to be detected is convenient to place, the support plate is arranged below the motor to be detected for supporting, and the spring damper is arranged below the support plate, so that the started motor to be detected can be buffered; and the to-be-detected motor can be placed more stably.

The utility model relates to motor test frock technical field, concretely is a kind of warm air motor whole machine test clamping frock, two clamping assemblies are symmetrically arranged in the both sides of clamping table, the clamping assembly includes empty slot, locating seat and advancing assembly, the advancing assembly is fixed in the both sides of clamping table, the locating seat is located in the inside empty slot and is slidably connected with empty slot, the upper end of locating seat is equipped with guide rail, compared with the frequent replacement of traditional frock clamp or manual adjustment clamping position, this clamping frock can realize the automation operation of height adjustment, preliminary clamping and self-adapting clamping by operating controller. From placing motor to complete clamping, the whole process time consumption is greatly shortened, it is convenient to operate, and it is shorter in time.

The utility model discloses a motor testboard which comprises a motor testboard body, a multi-station rotation adjusting table is arranged above the motor testboard body, a motor positioning seat is arranged above the multi-station rotation adjusting table, a mounting bottom plate is arranged at the bottom of the motor positioning seat, a clamping piece is arranged on the inner wall of the motor positioning seat, and the motor testboard body is provided with a clamping groove. Supporting frames are arranged on the two sides of the lower portion of the motor testing table body, a rack is arranged at the rear end of the motor testing table body, a testing assembly is arranged on the upper portion of the interior of the rack, a testing connector is arranged at the bottom end of the testing assembly, an air cylinder is arranged on the top of the rack, and balance moving plates are arranged on the two sides of the testing assembly. The four motor positioning seats are arranged above the multi-station rotary adjusting table, the positions of the motor positioning seats can be easily replaced in a rotary mode, a plurality of motor positioning seats can be arranged, the space of each inch can be utilized to the maximum extent in a limited space, and the occupied space is saved.

The application discloses a kind of verification motor endurance test method and related equipment, it is related to vehicle motor test field, mainly to solve the lack of a more simple and real verification motor endurance method problem.The method comprises: based on the kind of target electric drive determines the high-low temperature drive endurance test parameter of target electric drive;Based on the high-low temperature drive endurance test parameter of the target electric drive determines the self-heating endurance test parameter in the self-heating process of target motor, wherein the self-heating process is the process that target motor is battery self-heating;In the process of carrying out high-low temperature drive endurance test to the target electric drive by the high-low temperature drive endurance test parameter, based on the self-heating endurance test parameter simultaneously carries out self-heating endurance test to the target motor.The application is used for verifying the test process of motor endurance.

The invention discloses a test fixture for a motor prototype. The test fixture comprises a base, an adjustable clamping mechanism, a driving connection assembly and a test interface module, the base is provided with a transverse guide rail and a longitudinal positioning groove, the adjustable clamping mechanism is in sliding connection with the transverse guide rail through a sliding block, the driving connection assembly comprises a universal coupling and a torque sensor mounting seat, and the test interface module is integrated with an electrical quick-plug connector and a signal transmission port. According to the motor prototype test fixture, rapid positioning is achieved through the symmetrical clamping jaws driven by the bidirectional lead screws, and the universal coupling and the test interface module are matched, so that the compatibility problem of multi-model motor tests is effectively solved.

The utility model belongs to the technical field of driving equipment testing, and particularly relates to a motor test bench. The utility model provides a motor test bench which comprises a test bench motor, a torque measuring part and a coupler, one end of the test bench motor is connected with a motor to be tested through the coupler, and the other end of the test bench motor is connected with the torque measuring part; the test bench motor is a small motor with high rotating speed and high power. According to the technical scheme provided by the invention, the test bench can meet the test requirements of other high-rotating-speed and high-power small motors through the compact structural design by using the high-rotating-speed and high-power small motors; when a high-power motor is tested, an additional speed reduction structure does not need to be installed, and the design requirement for miniaturization of the motor test bench is met. According to the motor test bench provided by the invention, the technical defect that in the prior art, the motor test bench cannot give consideration to the miniaturization design and meet the high-power motor test requirement at the same time is overcome.

The utility model discloses a motor test fixture and a test device for an automobile seat driver, which are characterized in that the motor test fixture comprises a cylinder, a connecting plate, a positioning member and two conducting rods, the top of the connecting plate is connected with an output shaft at the bottom of the cylinder, the positioning member is installed on the connecting plate, and the two conducting rods are connected with the connecting plate. The two conducting rods are mounted on the positioning piece; a wire connector is arranged at the top of each conducting rod; the positioning piece is installed on the front side wall of the connecting plate, two through holes are formed in the positioning piece at intervals, the middle of each conducting rod is movably inserted into the corresponding through hole, and the top and the bottom of each conducting rod are arranged above and below the positioning piece respectively; an upper annular head and a lower annular head are respectively arranged on the conducting rod above and below the positioning piece, a spring is sleeved outside the conducting rod, and two ends of the spring are respectively propped against the top surface of the lower annular head and the bottom surface of the positioning piece. According to the utility model, the detection efficiency is improved.

The invention discloses a motor testing system based on a sliding frame and a guide plate, and relates to the field of motor testing. The test rack module is welded by a Q235B steel plate and is fixed by an expansion bolt; the sliding frame module is composed of a sliding base, a connecting beam and a supporting platform and is connected with a spring for buffering. The guide plate module comprises symmetrical guide plates which are finely adjusted through a sliding block and an adjusting assembly. The motor fixing module comprises an L-shaped baffle, a spring and a clamping bolt, and a built-in pressure sensor is used for measuring clamping force; an output shaft of the test driving module is connected with a torque sensor and a tested motor, and is provided with a controller and an acquisition module; the data acquisition module synchronously acquires multiple parameters, and a report is generated through a touch screen display, storage and software setting process; the buffering and damping module reduces noise and vibration and corrects the level through a gasket, a foot pad and a sizing block, and stable operation of the device is guaranteed. The method is fast adaptive to multi-model motor testing, optimizes the traditional technology, improves the detection efficiency and accuracy, guarantees the testing stability and reliability, and meets the batch testing requirements.

The invention relates to a liquid rocket engine turbine disc pitch diameter vibration monitoring method, and belongs to the technical field of liquid rocket engine testing. According to the invention, high-frequency speed pressure sensors are additionally arranged at front and rear cavity parts at two sides of the turbine disc, and high-frequency pressure pulsation of fluid near the turbine disc is measured in real time, so that the pitch diameter vibration inherent frequency and the vibration magnitude of front and rear traveling wave frequencies of the monitored turbine disc in the high-temperature and high-rotating-speed operation process are obtained; therefore, a basis is provided for health judgment of the working state of the turbine pump after test run. The method can accurately reflect the pitch diameter vibration level of the thermal test rocket engine turbine disc, has high sensitivity, and solves the problem that the local vibration frequency of the rotor turbine disc is not easy to monitor during the vibration of a traditional turbine pump shell.

This invention relates to a dustproof motor and a testing device, and relates to the technical field of motors. The dustproof motor includes dustproof components, and the dustproof motor testing device includes a stationary test platform. The test platform is equipped with a limiter for limiting the movement of the dustproof motor, and a tester for performing no-load testing on the dustproof motor is also provided on the test platform. Both the tester and the limiter are located along the length of the test platform. This invention can solve the following problems existing in the prior art: First, the existing dustproof motors have poor dustproof performance; second, the existing technology has poor temperature detection performance for motors, and the temperature measuring device is prone to detachment due to vibration during motor operation; in addition, existing technologies only perform no-load or load tests when testing dustproof motors, and their unique dustproof performance cannot be effectively and rigorously tested, therefore their dustproof performance cannot be guaranteed.

The utility model discloses a C-EPS power-assisted motor durability test tool, which belongs to the technical field of motor durability test, and comprises a base station, a jolting and vibrating mechanism is arranged in the base station and at the upper end of the base station, the jolting and vibrating mechanism comprises a movable assembly and a driving assembly, and a test table top is arranged at the upper end of the movable assembly; a clamping mechanism is mounted on the test table board; the profiling groove block is fixedly mounted at the upper end of the test table board; the test motor is installed in the profiling groove block. A cantilever counterweight test mechanism is mounted on the front side of the upper end of the test table board; the cantilever counterweight testing mechanism is provided with a counterweight block. And a self-locking counterweight structure is arranged in the counterweight block. Through the above mode, the balancing weight is more convenient and faster to install, the extra workload and installation time are reduced, and the efficiency of the detection device is improved; and bumpy road conditions encountered by the test motor in daily use can be simulated, so that the test comprehensiveness of the test motor is improved.

The utility model belongs to the technical field of inspection of control systems or components thereof, and relates to a motor test bench, which comprises a mounting table, and further comprises a permanent magnet synchronous motor, a torque sensor, a magnetic powder brake and a magnetic powder brake regulator which are mounted on the mounting table, the output end of the permanent magnet synchronous motor is detachably connected with the input end of the torque sensor through a first coupler, the output end of the torque sensor is detachably connected with the input end of the magnetic powder brake through a second coupler, and baffles are detachably installed on the outer side of the first coupler and the outer side of the second coupler. The motor test bench can rapidly test the torque, the rotating speed, the power and other performances of the permanent magnet synchronous motor, and the baffle plates are arranged on the outer sides of the first coupling and the second coupling, so that a protection effect can be achieved, and the couplings are prevented from loosening, rotating, separating and hurting people.

A robot motor testing device belongs to the technical field of motor testing. The device comprises a test box, the interior of the test box is rotatably connected with a first reciprocating rotating shaft in a penetrating manner, the top of the first reciprocating rotating shaft is rotatably connected with a connecting disc through a universal ball, the top of the connecting disc is fixedly connected with a test platform, and an installation assembly and a torque sensor are fixedly installed above the test platform. A load variable resistance mechanism is arranged above the test platform, a shaking test mechanism is arranged on the outer wall of the first reciprocating rotating shaft, an emergency simulation mechanism is arranged on the outer wall of the first reciprocating rotating shaft, the load variable resistance mechanism comprises a reciprocating ring arranged on the outer wall of the second reciprocating rotating shaft, and the reciprocating ring is controlled to reciprocate along the outer wall of the second reciprocating rotating shaft; the shaking test mechanism comprises an abutting rod arranged below the test platform, so that the test motor continuously shakes in the test process, and the state of the actual application scene of the test motor is simulated.

The utility model relates to the field of electromechanical technology, in particular to a small motor load test bench, which comprises a mounting base, a clamping mechanism and a lifting mechanism, the mounting base is arranged at the bottom of the test bench, a mounting hole is formed in the mounting base, and the clamping mechanism is mounted on the mounting base through the mounting hole; the clamping mechanism comprises a left clamping block and a right clamping block. The opposite faces of the left clamping block and the right clamping block are provided with semicircular grooves so as to stably clamp a motor to be tested. The lifting mechanism comprises a steering shaft connected with an output shaft of the motor in an inserted mode, the end, away from the motor, of the steering shaft is connected with a lead screw, the lead screw is connected with a moving block, and the top end of the moving block is fixedly connected with a containing base for containing the balancing weight. The device can be adapted to various motors of different models, so that one test bench can meet the test requirements of more types of motors, and the utilization rate and the practicability of the test bench are improved.

The embodiment of the invention provides a large ventilator motor test device and a use method thereof, the device comprises a plurality of supports, the supports are arranged on the peripheral side of a ventilator motor in an annular array, the supports are L-shaped, vertical rods of the supports are detachably fixed on the ventilator motor through fixing screws and fixing nuts, and the vertical rods of the supports are fixed on the ventilator motor through the fixing screws and the fixing nuts. The transverse rods are used as supporting parts, the bottom ends of the transverse rods of the multiple supports are located on the same plane, and the transverse rods of the multiple supports are all arranged on the side away from a ventilator motor. According to the embodiment of the invention, the large ventilator motor can be longitudinally placed according to the actual installation during shipment, the direction of a rotating shaft of the motor is ensured to be consistent with the actual working direction during a workshop test, and potential quality hazards and problems of the motor can be more effectively exposed; moreover, the device is simple in structure and convenient to disassemble and assemble, fixation can be completed without additionally adjusting the position of the motor, and the efficiency of a no-load or on-load test of the motor is improved.

The utility model belongs to the technical field of test equipment, and discloses a heat exchange device for motor test, which comprises a liquid supplementing assembly, a liquid injection assembly, a cooling circulation assembly, a heat dissipation circulation assembly and the like. The liquid supplementing assembly comprises a liquid storage container and an injection mechanism which are communicated through a pipeline, and the liquid storage container is used for storing cooling liquid. The liquid injection assembly comprises a liquid injection container, a liquid level detection part arranged in the liquid injection container, a liquid injection valve and a heat exchange part, the liquid injection container is arranged above the heat exchange part, and the heat exchange part is provided with a first cavity and a second cavity. The injection mechanism is communicated with the liquid injection container, and the liquid injection container, the liquid injection valve and the first cavity are communicated through a liquid injection pipeline. The cooling circulation assembly is connected between the liquid outlet of the first cavity and the liquid inlet of the second cavity and communicates with the motor. The heat dissipation circulation assembly is connected between the liquid outlet of the second cavity and the liquid inlet of the first cavity. The injection mechanism and the liquid level detection piece are both in communication connection with the control module. The heat exchange device can supplement cooling liquid in time, and the accuracy of a motor detection result is ensured.

The invention discloses a multi-model driving motor adaptive test system, and relates to the field of driving motor test. The rack bearing module is welded by low-alloy steel plates, the bottom is fixed, and vertical guide rails and horizontal sliding rails are arranged; the self-adaptive positioning module comprises a three-dimensional adjusting mechanism, so that accurate positioning is realized; the intelligent clamping module adopts a circumferential clamping assembly and an axial jacking device, and a clamping motor is stably clamped through an arc-shaped clamping jaw and the jacking device; the power test module collects parameters such as torque and rotating speed, and supports switching of vector control and torque control modes; the automatic calibration module is provided with a laser tracker and a standard torque meter, so that the measurement precision is ensured; the data processing module adopts an industrial computer to analyze data and generate a chart; and the safety protection module is provided with a three-level protection mechanism to guarantee the test safety. The method is fast adaptive to multi-model motor testing, improves the efficiency and precision, guarantees the safety, is reliable in data, is suitable for various testing scenes, and optimizes the traditional testing technology.

The invention relates to the technical field of monitoring of pump systems. The invention discloses a wireless internet-of-things information acquisition system for a tower type pumping unit. The wireless internet-of-things information acquisition system comprises a motor test module, a transmission shaft test module, a speed reduction roller test module, a guide bracket test module and a wireless signal acquisition device. According to the invention, a complete sensing network covering a power source-transmission chain-bearing structure is established by integrating four testing modules including a motor, a transmission shaft, a speed reduction roller and a guide bracket; according to the structural characteristics of the tower type pumping unit, strain gauges are deployed in a high-stress area at the root of a guide support to monitor micro-strain changes, and an eddy current sensor and a dynamic torque sensor are adopted at key nodes of a transmission shaft to cooperatively monitor low-frequency bending and high-frequency torsional vibration coupling characteristics; a performance degradation model is conveniently established through long-term data accumulation, and transformation from post maintenance to predictive maintenance is realized in combination with a threshold early warning and trend prediction algorithm.

The utility model relates to the technical field of motor manufacturing and motor testing, in particular to a reduction gearbox torque testing device which comprises a testing mechanism, a standard mechanism, a station standard mechanism, a control cabinet and a fence. The station standard mechanism is directly arranged on the ground and comprises a welding base, a line body, a small counter-force lifting mechanism, a tray, a workpiece online detector and a stand column. The line body is erected on the welding base directly through the supporting legs, and the small counter-force lifting mechanism is directly installed on the welding base through the lifting base and arranged in the line body. The control cabinet is installed on the welding base, the fence wraps the station standard mechanism, the standard mechanism is directly installed on a stand column of the station standard mechanism, and the testing mechanism is installed on a linear guide rail of the standard mechanism through a welding connecting plate. According to the utility model, through mutual cooperation of internal parts of the small counterforce lifting mechanism, the problem of invalid test caused by position offset in the test process can be prevented.

The invention provides a closed pump motor loading hydraulic test system which comprises an oil supply way, a motor module, a first connecting oil way, a second connecting oil way, an adjusting module, a cartridge valve group and an oil return way, the oil supply way is connected with one end of the cartridge valve group, and the other end of the cartridge valve group is connected with the first connecting oil way and the second connecting oil way. The third end of the cartridge valve set is connected with an oil return oil way, the oil return oil way is connected with the oil supply oil way through a first reversing valve, the first connecting oil way is connected with the adjusting module through a second reversing valve to form a first adjusting oil way, and the second connecting oil way is connected with the adjusting module through a second reversing valve to form a second adjusting oil way. The motor module is connected with a connector PA1 in the first connecting oil way and a connector PB1 in the second connecting oil way. Through mutual cooperation of the overflow valves in the different branch oil paths, multiple different hydraulic oil pressures required by the loading motor during testing can be accurately adjusted, so that the accuracy of the testing result of the loading motor is ensured.

The utility model relates to motor test technical field especially relates to a kind of motor aging test device, it includes workbench, the workbench is provided with aging test part, the conveyor belt for conveying motor to different aging test part and carries out aging test, power mechanism for driving conveyor belt movement and the test seat for being fixed on conveyor belt for fixed motor and the electrical connection of motor and aging test part, the aging test part includes the first aging test part for feeding and discharging, the second aging test part for carrying out electric leakage detection, the third aging test part for carrying out low pressure aging and the fourth aging test part for carrying out high pressure aging.This aging test device can not only carry out electric leakage detection, but also can carry out high-low voltage aging.

The utility model relates to a multifunctional hub motor test bench, belongs to the field of motor testing, and solves the problem that the existing test bench occupies a large area. The test bench comprises a bench device and a test device arranged on the bench device, the test device comprises a wheel hub motor, a belt transmission device and a resistance simulation device, the wheel hub motor and the resistance simulation device are arranged on the same side of the belt transmission device, and the wheel hub motor and the resistance simulation device are adjusted through the belt transmission device. A transmission shaft of the hub motor is parallel to a transmission shaft of the resistance simulation device, the area of the rack is effectively utilized, and the function that a small laboratory can carry out testing is achieved.