520 results about "Motor testing" patented technology

The invention relates to the technical field of motor testing, in particular to an online monitoring method and system for the health state of a carbon brush of a motor, and the method comprises the steps: determining a target operation load environment cluster of a target carbon brush at the current moment according to the pre-obtained load condition and operation environment condition of the target carbon brush in the current operation time period; screening out a reference operation time period; determining an abnormal loss factor and a potential abnormal wear feature vector of the target carbon brush at the current moment; according to the Lyapunov index of the vibration signal of the target carbon brush in the current operation time period and the temperature change and the current change of the target carbon brush in the current operation time period, determining a wear fault display possible feature vector; therefore, the health state of the target carbon brush at the current moment is determined. According to the invention, the potential abnormal wear condition of the target carbon brush at the current moment is considered, the health state of the carbon brush is monitored, and the timeliness of abnormal health state monitoring of the carbon brush is improved.

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 an industrial robot motor fault early warning method, and relates to the technical field of motor testing and state monitoring, and the method comprises the steps: introducing a kurtosis-based real-time statistical feature to adaptively adjust the noise amplitude and the decomposition frequency, enabling noise-added empirical mode decomposition to dynamically reconfigure parameters along with the working condition of a motor, and enabling the noise-added empirical mode decomposition to be more accurate. Stable intrinsic mode function components can still be obtained when the impact load frequently changes; a screening coefficient formed by three types of sub-indexes of correlation, an energy ratio and impact sensitivity is utilized to realize automatic elimination of noise dominant components, and the problems of modal aliasing and residual noise are effectively relieved; on this basis, target components are reconstructed and fractal box dimensions are extracted, so that the features still have strong distinguishing ability in the face of transient abrupt change and multi-scale roughness, and the sensitivity to early weak faults is enhanced; and vibration signal dynamic time warping with current as a time reference is further combined with multi-sensor feature fusion.

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 relates to the technical field of leather detection, and discloses simulated leather wear resistance testing equipment which comprises a bottom plate, a servo motor; testing the leather; the regulation and control assembly is used for regulating and controlling the contact pressure of the tested leather; the positioning assembly is used for positioning the pressure of the tested leather; the testing assembly is used for carrying out cyclic fatigue wear resistance testing on the tested leather; and the circulating assembly is used for driving the regulation and control assembly to do circulating friction motion on the tested leather. According to the simulated leather wear resistance testing equipment, through mutual combination of the arranged circulating assembly and the regulating assembly, circulating left-right contact type friction on leather can be achieved, so that the wear resistance of the leather is simulated and tested, and the whole device achieves dual-environment testing on the leather through linkage of the testing assembly, so that comparison testing can be achieved, and the testing efficiency is improved. Synchronous difference testing is realized, so that wear resistance testing of the leather in a trial production stage is realized, the complex environment of testing is improved, and the accuracy of testing data of the leather is improved from the side.

The invention discloses a nanocrystalline relay withstand voltage test device, and relates to the technical field of relay detection. The conveying device comprises a conveying frame, gear shafts are rotationally arranged at the two ends of the conveying frame, a gear belt is wound around the two gear shafts in a transmission mode, and the end of one gear shaft is connected with a first motor arranged on the conveying frame; the testing mechanism comprises a mounting frame fixedly arranged on the transmission frame, and a withstand voltage tester is arranged on the mounting frame; the relay performs assembly line type transmission detection through the toothed belt, the probe rod, the first spring and the sleeve form an elastically telescopic probe structure, and the probe structure ascends and descends through the electric push rod, so that the probe rod can be effectively contacted with the relay for detection, the probe rod can be prevented from being broken, and meanwhile, the detection efficiency is improved. Through the protection of the quick-separating vibration-preventing mechanism, the feeler lever can be quickly lifted and separated after the detection is completed, vibration caused by elastic stretching and retracting is avoided, electric arc is avoided, and smooth continuous detection is ensured.

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 discloses a load simulation test device for a permanent magnet motor, which belongs to the technical field of motor testing and comprises a test board, a mounting table is mounted on the test board, the permanent magnet motor is mounted on the mounting table, and a load test box is mounted at the top, close to the permanent magnet motor, of the test board. A controller is installed at the top, close to the load test box, of the test board, an air cylinder is arranged to drive a movable rod to move, and when the movable rod moves, an end cover plate can be driven to rotate through cooperation of a longitudinal limiting groove, a spiral limiting groove, a fourth gear, a second tooth groove, a limiting block and other parts; when the end cover plate rotates, a guide rod can be driven to move through cooperation of an inclined extrusion groove and a sliding groove, when the guide rod moves, a first magnet can be driven to be close to or away from a second magnet to adjust the loading force of the permanent magnet motor, and the loading force of the permanent magnet motor can be conveniently adjusted according to needs.

The utility model discloses a thermal protector temperature testing device which comprises a testing assembly, a control panel and a wind wheel motor, the testing assembly comprises a wind barrel, a barrel cover assembly, an air duct basin, a centrifugal wind wheel and a socket frame, the socket frame is provided with conductive clamping pieces used for being electrically connected with a thermal protector, and the conductive clamping pieces are uniformly distributed in the circumferential direction. The barrel cover assembly covers the air barrel, the centrifugal wind wheel is arranged on the lower side of the air duct basin, a heating pipe is arranged on the outer side of the centrifugal wind wheel, the wind wheel motor is in driving connection with the centrifugal wind wheel, the conductive clamping piece is arranged above the air supply duct correspondingly, a ventilation opening is formed in the bottom of the air duct basin, and the position of the air suction end of the centrifugal wind wheel corresponds to the ventilation opening. A temperature sensor is arranged on the lower side of the socket frame, on-off indicating lamps are arranged on the control panel, the conductive clamping pieces are electrically connected with the corresponding on-off indicating lamps respectively, and the control circuit is electrically connected with the temperature sensor and the heating tube. The temperature testing device for the thermal protector is beneficial to improving the working efficiency and improving the effectiveness of quality inspection.

The invention relates to the technical field of frameless motor testing, and discloses a frameless motor torque test bench which comprises a supporting platform, a rotating pipe is rotatably arranged on the supporting platform, a magnetic powder brake and a torque measuring instrument are arranged on the rotating pipe, one end of the rotating pipe is fixedly connected with a first electric push rod, and the other end of the rotating pipe is fixedly connected with a second electric push rod. The output end of the first electric push rod is fixedly connected with a flange; the first clamp mechanism is used for clamping and fixing the inner rotor frameless motor and can transmit torque generated when a rotor of the inner rotor frameless motor rotates to the rotating pipe. The adjusting mechanism is used for driving the first clamp mechanism to slide along the supporting platform; the second clamp mechanism is arranged on the supporting platform and located on the side, away from the rotating pipe, of the first clamp mechanism, and the second clamp mechanism is used for clamping and fixing the outer rotor frameless motor and can transmit torque generated when a rotor of the outer rotor frameless motor rotates to the rotating pipe. And the flexibility requirements of different scenes are met.

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.

The invention discloses a motor testing device for a robot, and relates to the technical field of motor testing for robots, and the motor testing device comprises a control cabinet, a testing platform, a locking device, a torque rotating speed sensor, a shaking simulation part, a load testing group and an adjusting part. Efficient detection of the motor for the robot with the body is achieved through cooperation of the shaking simulation component, the load testing assembly and the adjusting component, the shaking simulation component drives the motor to shake, the amplitude is changed under the action of the adjusting component, the stability of the motor is detected by simulating the bumping state, and the load testing assembly applies variable friction resistance. Loads are increased or decreased through the adjusting part, the actual use condition is flexibly simulated, the adjusting part can synchronously or separately adjust the shaking amplitude and the resistance application size, the complex environment is accurately simulated, shaking and load testing are fused, the testing convenience and accuracy are improved, the motor quality is efficiently controlled, and potential safety hazards of the motor for the robot are found in advance.

The invention relates to the technical field of motor testing devices, and provides a propeller motor load characteristic simulation testing device, which comprises a bracket (10), a turntable (20), a plurality of electromagnets, a load motor (50) and a detector (40), the turntable (20) is arranged in the bracket (10), and the propeller motor (100) can drive the turntable (20) to rotate; the electromagnets are used for providing radial force load, axial force load and unbalanced bending moment load for the output shaft; the load motor (50) is used for applying torque to the output shaft; the detector (40) is used for detecting the radial force load, the axial force load, the unbalanced bending moment load and the torque of the output shaft. The propeller motor load characteristic simulation test device can simultaneously, independently or compositely test the radial force load, the axial force load, the unbalanced bending moment load and the torque of the output shaft of the propeller motor (100), and multi-dimensional simulation of the load of the propeller motor is realized.

The invention relates to the technical field of linear motor testing, in particular to a double-lead-screw synchronous driving type linear motor testing platform which comprises a testing table, a dispatching rack is arranged at the upper end of the testing table, a touch display screen controller is arranged at the front end of the dispatching rack, and a to-be-tested linear motor is arranged between the testing table and the dispatching rack. A connector is arranged below the dispatching rack, one end of a tension and pressure sensor is fixedly installed on the side face of the connector, a slide carriage is fixedly installed at the other end of the tension and pressure sensor, the testing platform further comprises a multi-testing mechanism and a switching connecting mechanism, and the multi-testing mechanism further comprises a magnetomotive testing assembly, a double-lead-screw testing assembly and a pneumatic testing assembly. The loading force provided by the magnetomotive test assembly is used for testing the linear motor to be tested, the influence of friction force can be effectively reduced, but the thrust is not stable enough, and the method is suitable for testing the linear motor for conveying light goods.

The invention relates to the technical field of oil and gas resource drilling tools, in particular to a variable-diameter intelligent underground turbine generator test board which comprises a generator fixing module, a magnetic ring clamping module and a driving digital display module. The generator fixing module comprises a generator, a fixing support, a pushing and clamping sliding block, a lead screw motor and a pushing and clamping lead screw nut. The magnetic ring clamping module comprises a magnetic ring, a clamping sliding block, a clamping lead screw nut, a clamping lead screw, a large bevel gear, a small bevel gear, a bevel gear transmission shaft, a transmission gear, a driving gear ring, a hexagonal stud, a hollow gear motor, a hollow connecting shaft, a tapered roller bearing set, a bearing upper base, a large nut, a bearing lower base, a hollow belt wheel, a rear bearing, a front bearing and a middle shell. The device comprises a thin bearing pack, a clamping base body, an outer bearing, an outer bearing base body, an inner bearing and a rack, and the driving digital display module comprises a belt wheel motor, a controller, a power supply and a power analyzer. Through the intelligent variable-diameter clamping device, underground turbine generators of different sizes and powers can be tested, the application range is wider, and the working performance is more stable.

A motor prototype testing tool comprises a base, an adjustable clamping mechanism and a driving connection assembly. 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, and the driving connection assembly comprises a universal coupling and a torque sensor mounting seat; a detachable cooling system is arranged at the bottom of the base and comprises a heat dissipation fan and a flow guide cover, and the outlet direction of the flow guide cover faces heat dissipation holes of the motor prototype. According to the motor prototype testing tool, rapid positioning is achieved through the symmetrical clamping jaws driven by the two-way lead screw, the universal coupling and the testing interface module are matched, and the compatibility problem of multi-model motor testing is effectively solved.

The utility model relates to the technical field of motor testing, in particular to a motor axial force eccentricity testing device, which comprises a base, a stator assembly, an end cover, a bushing, a rotor assembly, a rotating shaft and an axial force eccentricity sensing assembly, the base is provided with a cavity, the rotor assembly is arranged in the cavity, the end cover is provided with a placement cavity, and the placement cavity is opposite to the cavity. The axial force eccentric induction assembly is arranged on the containing cavity, a through hole is formed in the containing cavity, the lining is arranged on the through hole and connected with the axial force eccentric induction assembly, the rotor assembly is arranged in the stator assembly, one end of the rotating shaft is connected with the rotor assembly, the other end of the rotating shaft penetrates through the lining, the lining is provided with a bearing, and the rotating shaft is rotationally arranged on the bearing. According to the utility model, the rotating shaft rotates at a high speed to provide axial eccentric force for the axial force eccentric sensing assembly, so that the force test of axial eccentricity is realized. The eccentric force under different rotating speed conditions is sensed through the gravity sensor, and the testing precision is high.

The invention relates to the technical field of motor testing, and discloses a motor dynamic characteristic compensation test method and platform based on multi-modal data, the method collects motor data through a multi-modal synchronous test system, and a processing module executes the following steps: constructing a state observer model to estimate winding temperature and loss torque; in the online test, the accuracy of the model is monitored by calculating the residual error between the model prediction and the measured value; and when the residual dynamic characteristic exceeds a threshold value, generating and applying an adaptive excitation sequence according to the residual characteristic, collecting high-resolution data to update model parameters on line, forming a self-optimization closed loop, after the test is finished, adopting a fixed interval smoothing algorithm to be combined with a final model to obtain a global optimal state track, and calculating a dynamic characteristic compensation result according to the global optimal state track. According to the invention, through adaptive excitation of residual error driving and online model updating, accurate identification and compensation of dynamic characteristics of the motor are realized, and the test automation level and accuracy are improved.

The application discloses an outboard motor testing system, which comprises a water tank, a supporting device for supporting the outboard motor above the water tank, two height adjusting mechanisms installed on the supporting frame, a turnover mechanism installed on the height adjusting mechanisms, a crossbeam installed between the two turnover mechanisms, a clamping device arranged in the water tank for clamping and fixing the testing end of the outboard motor, and a dynamometer arranged outside the water tank and connected with the propeller shaft of the outboard motor through a transmission shaft mechanism. The outboard motor testing system can improve the testing precision and efficiency.

The invention relates to the technical field of motor testing, and discloses a new energy automobile motor testing device which comprises a base, an equipment box is installed on the base, performance testing equipment is arranged in the equipment box, the performance testing equipment is connected with an input shaft, the new energy automobile motor testing device further comprises a testing table, and a connecting frame is installed on one side of the testing table; a connecting cylinder is rotationally arranged in the connecting frame; according to the invention, the power of the output shaft of the motor can be stably transmitted to the input shaft of the performance test equipment through the self-adaptive transmission assembly, so that the power transmission between the motor and the input shaft is not affected by the bumping of the motor, and the performance test equipment can carry out precise test in the motor bumping simulation test process. In addition, in the process that the jolting assembly drives the motor on the test board to jolt up and down, the jolting assembly can test the performance parameters of the output shaft of the motor when the load exists through the weight of structures such as the test board and the like.

The invention provides a numerical control system performance test system with a switching function and a test method thereof, and belongs to the technical field of numerical control machine tools, and the test system comprises a to-be-tested numerical control system selection test circuit which is used for selecting a target to-be-tested numerical control system and connecting the target to-be-tested numerical control system to a motor; the encoder is connected with the target to-be-tested numerical control system through the test data selection and reading module, and reads test data of the target to-be-tested numerical control system through the test data selection and reading module; the FPGA main control module is connected with the to-be-tested numerical control system selection test circuit and used for controlling the to-be-tested numerical control system selection test circuit to select a target to-be-tested numerical control system; and the FPGA main control module is also connected with the test data selecting and reading module and is used for controlling the test data selecting and reading module to select a target to-be-tested numerical control system of which the test data is to be read. And rapid switching and performance testing of a plurality of to-be-tested numerical control systems are realized.

The invention relates to the technical field of motor test equipment, in particular to a test device for isolating generator vibration and a use method thereof. In order to solve the problems of insufficient external vibration isolation, structural adaptability, working condition adjustment flexibility, data acquisition precision and the like in the prior art, the invention provides the following technical scheme that the device comprises a base, a supporting platform is mounted above the base, a generator set is mounted at the top of the supporting platform, and a motor is mounted in the lower part of the supporting platform; a transmission shaft for connecting the motor and the generator set is arranged between the motor and the generator set; the supporting platform comprises a lower support in threaded connection with the base, and the lower support is fixedly connected with a plurality of sets of organic glass plates which are oppositely arranged through threads. External vibration interference can be effectively isolated, data accuracy is improved, the device is simple in structure and convenient to mount, adapts to different types of generators, can flexibly adjust working conditions, realizes integration of data acquisition and analysis, is wide in application scene, and improves test efficiency and reliability.

The invention relates to a magnetic suspension motor detection device, and relates to the technical field of detection devices.The magnetic suspension motor detection device comprises a bottom plate, a workbench is arranged at the center of the top of the bottom plate, a lower detection table is arranged at the top of the workbench, a hinge is arranged on one side of the outer wall of the lower detection table, and the lower detection table is connected with an upper detection table through the hinge; a groove is formed in the lower detection table, a spring plate assembly is arranged in the groove, a detection probe is arranged on one side of the spring plate assembly, a connecting assembly is arranged on one side of the detection probe, a driving mechanism is arranged in the upper detection table, an arc-shaped pressing plate is arranged on one side of the driving mechanism, and a rotating shaft is arranged on one side of a hinge. Through the design of the modularized probe, the self-adaptive clamping mechanism and the linkage power supply, the rapid synchronous detection of the electrical and magnetic properties of the magnetic suspension motor is realized, the efficiency and the precision are remarkably improved, the manual intervention is reduced, and the requirements of multiple models are met.

The invention relates to the technical field of motor testing, in particular to a permanent magnet synchronous motor testing device and a method thereof.The permanent magnet synchronous motor testing device comprises a testing table, a permanent magnet synchronous motor and a load dynamometer installed on the testing table, a transmission box is installed on the testing table through bolts, and a main spiral gear is rotationally connected to the inner side of the transmission box; a connecting shaft is fixedly connected between the side wall of the main spiral gear and the output end of the load dynamometer, a base is fixedly connected to the inner bottom end of the transmission case, and a rotating shaft is rotatably connected to the base in a penetrating mode. The to-be-tested permanent magnet synchronous motor is installed on the other side of the transmission case, and then after a previous permanent magnet synchronous motor is tested, rapid switching of the tested permanent magnet synchronous motor can be completed by controlling closing of the corresponding electromagnetic jaw clutch, so that the other motor can be installed and leveled during motor testing, and a large amount of installation time is saved.

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 invention belongs to the technical field of superconducting motor testing, and particularly relates to a background magnetic field simulation and testing device for motor superconducting coil quench detection and electromagnetic characteristic analysis. The device comprises an outer stator iron core, an inner stator iron core, an open type or closed type low-temperature container with a built-in superconducting coil device, and a device bracket, wherein the outer stator iron core and the inner stator iron core are coaxially arranged; the outer stator is composed of an outer stator iron core and a multi-phase armature winding embedded in a tooth groove of the outer stator iron core. The inner stator iron core is composed of an even-number-pole iron core salient pole and a pole shoe, and an air gap is formed between the two; the low-temperature container can be of an open structure or a closed structure, and can be flexibly selected according to different test requirements; symmetrical alternating current is introduced into the multi-phase armature winding of the outer stator to simulate the background magnetic field environment of the superconducting coil in motor operation, effective verification and quantitative analysis of the quench characteristic and the electromagnetic performance of the superconducting coil are realized, related tests can be completed without manufacturing a prototype, the experiment cost is remarkably reduced, and the safety and the reliability are improved.

The present application relates to the technical field of motor testing, in particular to a motor push-pull testing device, when tension testing is needed, a first tooling and a support tooling, a valve electric cylinder and a weight sensor are cooperated to realize tension testing of the motor to be tested, when thrust testing is needed, a second tooling and a support tooling, a valve electric cylinder and a weight sensor are cooperated to realize thrust testing of the motor to be tested, the comprehensive testing of the tension and thrust of the stepping motor is realized, and more comprehensive and reliable data support is provided for performance evaluation and application selection of the stepping motor; further, the motor push-pull testing device of the present application can quickly convert the tension and thrust testing by replacing the first tooling and the second tooling, the system error introduced by replacing the testing equipment is reduced, the consistency of the testing conditions is ensured, the accuracy of the testing results is improved, the equipment cost is saved, and the cost of the motor testing is reduced.

The invention belongs to the technical field of motor testing, and discloses a new energy automobile motor testing device which comprises a detection plate, rotating rods are symmetrically installed on the two sides, close to the bottom, of the detection plate, side plates are arranged on the sides, away from the detection plate, of the rotating rods, and penetrating holes are symmetrically formed in the side walls, close to the two ends, of the side plates. According to the invention, a double-end hydraulic cylinder, an inclined insertion plate, a detection plate and the like are arranged, after installation of the motor is completed, the double-end hydraulic cylinder drives the inclined insertion plate through a connecting plate to extrude the detection plate from one side, so that the detection plate slides on the bottom plate; the rotating rod on one side is connected with the rotating shaft in an embedded mode, along with continuous extrusion of the inclined inserting plate, the detection plate rotates between the two side plates, then the inclination angle of the motor is adjusted, the motor is matched with a twin-trawling motor to simulate the inclination effect when an automobile goes up and down a slope, and the detection accuracy 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.