1194 results about "Dynamometer" patented technology

The invention discloses a multi-dimensional aeroelastic calculation method and device based on a nonlinear Euler-Bernoulli beam and a storage medium, and belongs to the technical field of wind turbine aerodynamics, the method comprises the following steps: inputting the stiffness of each section of a blade into a nonlinear Euler-Bernoulli beam equation to obtain a modal-displacement transformation matrix; the rigidity, the weight and the external force of each section of the blade are converted to obtain a generalized rigidity matrix, a generalized mass matrix and a generalized force; starting circulation, substituting into a forced coupling vibration equation, solving modal displacement of each order at the current moment, and inputting into a modal-displacement inverse transformation matrix to obtain blade displacement; the generalized force is substituted into a blade element momentum theoretical formula to solve aerodynamic force at the next moment, the generalized force is updated to obtain updated generalized force, and aerodynamic force at each moment is obtained; and calculating to obtain the multi-dimensional aerobomb. According to the method, the calculation of the blade deformation and the load considers the change of the torsional degree of freedom, and more accurate and more efficient load and deformation calculation can be carried out.

The invention belongs to the field of road vehicle control, and relates to a method and a system for judging a braking decision error of a tank truck driver. The system comprises an information acquisition module, a danger perception calculation module, a braking intention extraction module, a braking starting point prediction module, a braking curve prediction module, a liquid oscillation force calculation module and a decision error risk calculation module, and the decision error risk calculation module is used for calculating the risk of the liquid oscillation force based on data provided by the braking curve prediction module and the liquid oscillation force calculation module. Predicting the future dynamic behavior of the vehicle, and calculating the error risk of the next decision of the driver according to the predicted speed and position; according to the system, liquid shaking, driver behaviors and vehicle movement are comprehensively considered, and the problems that in the prior art, dynamic changes of liquid are not fully captured and driver braking decision prediction accuracy is insufficient in the field of tank truck driving decision can be solved by constructing a multi-layer liquid shaking model, a driver braking decision model and a long-time prediction method.

Disclosed is a method for structural damage monitoring for whole-machine life test of small turboshaft engine, comprising: determining a failure mode based on load borne by typical components of the small turboshaft engine in a service process and common failure forms, screening a structural damage index of a non-major component based on a coupling relationship between structural damages, selecting a destructive damage of components in the small turboshaft engine and an indirect damage causing changes in material properties of key component, planning a structural damage monitoring means based on the failure mode, the structural damage index, the destructive damage, and the indirect damage, designing an accelerated mission test platform of the small turboshaft engine, and designing a torque automatic loading scheme of an eddy current dynamometer, and testing the small turboshaft engine, and performing damage monitoring of the small turboshaft engine based on the planned structural damage monitoring means.

The invention relates to the technical field of vehicle braking control, and discloses a vehicle braking control system based on a high-speed permanent magnet synchronous motor, which comprises a state sensing module, a braking force calculation module, a braking force control module and a braking force control module, the torque distribution module distributes the total braking torque into a predictable regenerative component and a precisely matched friction component, a deterministic regenerative braking force datum line is established, a braking system is converted into stable output control from passive response energy fluctuation, and linear mapping of pedal travel and deceleration is achieved; and meanwhile, by combining road bumping degree perception and model online correction, the output stability is kept under the complex working condition, and the technical problem that energy recovery and control quality in a hybrid braking system are difficult to consider at the same time is solved.

The invention provides a surface roughness monitoring method of an embedded physical prediction model. According to the method, in a model training stage, cutting force signals and three-phase current signals of a main shaft servo motor in the machining process are collected through a dynamometer and a current sensor, the signals are preprocessed and then input into a cutting force calculation module, cutting force under the corresponding current signals is output, and the obtained cutting force is used for calculating a surface roughness theoretical value; and the current signal, a current signal and a processing parameter are input into a surface roughness calculation module, and a surface roughness monitoring model is trained. In the machining stage, the roughness value of the machined surface of the workpiece at the moment is calculated in real time by collecting the three-phase current signals of the main shaft servo motor in the machining process, and it is avoided that sensors such as a vibration sensor or an acoustic emission sensor or a dynamometer are installed in a machine tool in the actual machining stage.

The invention relates to the technical field of electromagnetic compatibility testing, in particular to an electromagnetic compatibility testing device and method for the shaft current of a hub motor, and the device comprises a shielding chamber, a system master controller, a dynamometer, a hub motor tool and a testing system. A dynamometer, a hub motor tool and a test system are arranged in the shielding chamber; the hub motor tool is used for installing and fixing a hub motor to be tested. An output shaft is designed at the rotor end of the hub motor, and the hub motor is connected with the dynamometer through the output shaft. The test system is used for measuring the shaft current of the hub motor; the system master controller is used for controlling the wheel hub motor to operate under various working conditions and collecting shaft current under each working condition; and obtaining an electromagnetic compatibility test result according to the shaft current. The electromagnetic compatibility and reliability of the hub motor and the control system thereof can be improved.

A method of testing a vehicle includes positioning the vehicle on a dynamometer, operating a propulsion system to rotate drive wheels at a one or more predetermined speeds while actively adjusting a rotational position of a steering wheel to maintain straight vehicle travel on the dynamometer, measuring angle data of the steering wheel during the active adjusting of the rotational position of the steering wheel, checking the measured angle data to determine if it is outside a predetermined angular range, and outputting, in response to the angle data being outside the predetermined angular range, at least one of a repair ticket and a vehicle fault code.

The invention discloses a spiral bevel gear grinding force measuring method and system, electronic equipment and a medium, and the method comprises the steps: obtaining the measuring force in the X, Y and Z directions through a fixed dynamometer, and determining the installation angle of the fixed dynamometer according to the obtained measuring force in the X, Y and Z directions; based on the installation angle, determining a target coordinate transformation matrix between the fixed dynamometer and the gear grinding machine tool cutter shaft; calculating an axial stress component and a radial stress component of the cutter shaft of the gear grinding machine tool according to the measured measuring forces in the X, Y and Z directions and the target coordinate transformation matrix; tool setting between the spiral bevel gear workpiece and the grinding wheel tool is completed based on the axial stress component and the radial stress component; the target relative position of the grinding wheel tool and the gear grinding machine tool workpiece shaft is obtained; and according to the target relative position, the cutting force component of the grinding force and the normal force component of the grinding force are calculated. The precision of grinding force measurement of the spiral bevel gear can be improved.

The invention relates to a transmission shaft bench test device and method, and the device comprises a bumping sliding mechanism which comprises a pedestal, the pedestal is in sliding connection with a sliding platform through a sliding rail, and the pedestal is provided with a first actuator which drives the sliding platform to do reciprocating lifting motion in the length direction of the sliding rail; the side-tipping rotating mechanism comprises a side-tipping platform rotationally connected with the sliding platform through a rotating shaft, and a second actuator for driving the side-tipping platform to rotate around the rotating shaft is connected between the sliding platform and the side-tipping platform; the steering driving mechanism comprises a gearbox fixed on the roll platform, an input shaft of the gearbox is connected with a driving motor through a coupler, an output shaft of the gearbox is connected with a transmission shaft to be tested, and the transmission shaft to be tested is connected with a dynamometer. Performance and endurance tests of the transmission shaft under multiple working conditions can be simulated and detected more truly, and objectivity and accuracy of detection of the detected transmission shaft are improved.

According to the engine emission digital design system and method based on the virtual whole vehicle, the engine, the temperature control loop, the dynamometer and the emission analysis module are arranged on the bench subsystem, multiple circulation working conditions are pre-stored through the circulation working condition model in the control subsystem, and the main control model calls the target circulation working condition according to the design requirement; the driving control model simulates a vehicle driving state; obtaining a road resistance curve through a road resistance model; the engine compartment temperature control model controls the temperature control loop to realize temperature control; the engine working condition model controls the engine to work under the target engine working condition; the emission analysis module receives emission of an engine and analyzes emission components, and the master control model receives the emission components and judges whether the current emission of the engine reaches the standard or not. According to the scheme, engine emission design development under the condition that no physical whole vehicle exists can be achieved, the whole vehicle development period is greatly shortened, the development efficiency is improved, and the development cost is saved.

The invention relates to the technical field of hydraulic dynamometers, in particular to a hydraulic dynamometer for testing power output of an underwater engine, a positioning base is fixedly mounted on the upper end face of the rear side of a testing base, a driving motor is mounted at the top end of the positioning base, and a torque sensor is mounted on a front-end rotating shaft of the driving motor; a connecting shaft is installed at the front end of the torque sensor, a coupler is installed at the front end of the connecting shaft, a sliding base located on the front side of the coupler is slidably installed at the upper end of the testing base, a power measuring base is arranged at the upper end of the sliding base, a semicircular opening is formed in the upper end of the power measuring base, and a semicircular shell is fixedly installed in the semicircular opening. A left arc-shaped clamping plate and a right arc-shaped clamping plate are installed in the semicircular shell in a sliding mode, a locking component is arranged between the left arc-shaped clamping plate and the right arc-shaped clamping plate, and a hydraulic dynamometer is arranged in the semicircular opening. The torque value of the hydraulic dynamometer can be displayed, so that the test precision is improved, the measurement accuracy is ensured, and the reliability of a test result is ensured.

A vehicle control device includes: a surrounding vehicle lane determination unit; a surrounding vehicle behavior prediction unit for predicting whether or not the surrounding vehicle will cut in at a time point after a present; a preceding vehicle determination unit; a target acceleration calculation unit; and a drive force calculation unit for calculating a drive force of the own vehicle. The preceding vehicle determination unit includes: a preceding vehicle candidate selection unit for selecting, as a preceding vehicle candidate, the surrounding vehicle traveling in front on an own vehicle traveling lane and the surrounding vehicle predicted to cut in to the own vehicle traveling lane; a collision risk determination unit for determining a collision risk of each surrounding vehicle selected as the preceding vehicle candidate; and a preceding vehicle selecting unit for selecting, as the preceding vehicle, the surrounding vehicle of which the collision risk is greatest.

The present invention discloses a pedal riding ability test method and test bench for an electric bicycle, the method comprising: measuring the whole vehicle data of the electric bicycle to be tested; placing a front wheel support device of the electric bicycle to be tested on a dynamometer; connecting a servo motor to the middle shaft of the electric bicycle to be tested through a pedal connector of the electric bicycle pedal riding ability test bench; setting a corresponding average standardized power for the middle shaft according to the transmission ratio and crank length in the whole vehicle data; the electric bicycle pedal riding ability test bench simulates human riding, and the riding data is measured to evaluate whether the riding ability of the electric bicycle to be tested is qualified. The present invention simulates human riding through the pedal riding ability test bench of the electric bicycle to test the pedal riding ability of the electric bicycle, which not only greatly improves the test efficiency and shortens the test cycle, but also makes the test results objective and fair, eliminating the interference of external uncertain factors.

The invention discloses a shearing system for nonferrous metal plate production, and relates to the technical field of nonferrous metal plates, the shearing system comprises a base plate, the top surface of the base plate is fixedly provided with an uncoiler used for uncoiling, the top surface of the base plate is fixedly provided with a decoiler used for leveling the nonferrous metal plates, and the bottom surface of the base plate is fixedly provided with two supporting beams; two first supporting frames are fixedly mounted on the top face of the base plate, and through mutual cooperation of a third electric push rod, a positioning block, a connecting rod, a supporting rod, a chuck, a limiting column, a cover plate, a limiting hole, a second electric push rod, a mounting plate and a tension dynamometer, tension can be applied to one side of the non-ferrous metal plate, so that the non-ferrous metal plate reaches the state before extension, and the shearing effect is improved; through mutual cooperation of a first driving motor, a worm, a worm gear, a mounting rod, a second movable plate, a supporting shaft, a base block, a connecting block, a first shear knife and a measuring plate, the non-ferrous metal plate can be sheared, and the shearing effect on the non-ferrous metal plate is achieved.

The invention discloses a posture-adjustable underwater vehicle propeller multifunctional testing device and method. In the device, a first guide mechanism and a second guide mechanism which are arranged in parallel extend in the first direction and are both arranged outside one side of the top surface of a water tank in the height direction; one end of the slider mechanism is in sliding fit with the first guide mechanism, and the other end of the slider mechanism is in sliding fit with the second guide mechanism; one end of the posture adjusting mechanism is fixed with a box body mounted on the sliding block mechanism; a first spring and a second spring are installed on the two sides of the box body in the first direction. The other end of the first spring and the other end of the second spring are provided with a first dynamometer and a second dynamometer. The propeller driving module and the other end of the attitude adjusting mechanism are fixed through a fixing piece; propellers are mounted at the output shaft ends of the propeller driving modules; the hydrophone is installed on the side, close to the propeller, of the propeller driving module. The device is simple in structure, convenient to operate and easy to machine and popularize, and compared with a common test system, the device can simulate propeller flow noise characteristics under different working conditions and different postures.

The invention discloses a B-axis power knife rest comprehensive performance test bench and method. The B-axis power knife rest comprehensive performance test bench comprises a base, a B-axis power knife rest, a simulation knife handle assembly, a knife rest mounting seat, an axial displacement table, a dynamometer assembly, an axial force loading assembly, a radial force loading assembly, a deformation measurement assembly, a temperature measurement assembly, a control system and a data acquisition system. The B-axis power tool rest is fixedly connected to the base through the tool rest installation base, the simulation tool handle is installed on the B-axis power tool rest, the axial displacement table is installed on the base, the power measuring assembly and the axial force loading assembly are coaxially combined and installed and then fixedly connected to an axial displacement table moving plate, and the radial force loading assembly and the deformation measuring assembly are installed on an axial displacement table fixing plate. The testing device is simple and compact in structure, large in loading force range and capable of supporting performance testing of B-axis power tool rests of various models, various stations and under multi-dimensional force loading; the test method is simple.

The present invention relates to a thrust and torque measuring device for a model test of a ship. The purpose of the present invention is to provide a self-propelled dynamometer in the prior art in which a thrush and a torque generated on a single rotating shaft connected to a propeller are measured at the same time, resulting in an interference effect occurring between the thrush and the torque, and to provide a self-propelled dynamometer in which the thrush and the torque are measured at the same time, and to provide a self-propelled dynamometer in which the thrush and the torque are measured at the same time, and to provide a self-propelled dynamometer in which the thrush and the torque are measured at the same time. A thrust bearing for rotating while transmitting thrust applied to a shaft to a force cell and a coupling for determining whether or not the alignment state between shafts is abnormal are disposed between the force cell for thrust measurement and the force cell for torque measurement. The interference amount between thrust and torque data is corrected through a data processing board, and whether the shaft alignment state is abnormal or not is judged, so that the interference amount generated when thrust and torque are measured is corrected in a data post-processing mode, and the influence caused by the interference effect is reduced to the maximum extent. Therefore, the thrust and torque measuring device for ship model testing using data post-processing can improve the accuracy and precision of simultaneous measurement of thrust and torque.

The invention provides a method for calculating the running stroke frequency of a pumping unit in a constant power mode and a method and device for controlling the pumping unit. The method comprises the following steps: acquiring production data of a sucker-rod pump producing well and basic parameters of a pumping unit; identifying that the working condition of the sucker-rod pump oil extraction system is normal according to the production indicator diagram; drawing a net torque curve in combination with basic parameters of the oil pumping unit; the average output power of the oil pumping unit in one swabbing period of the oil well pump is calculated based on the stroke frequency and the net torque curve; and the stroke frequency corresponding to each crank rotation angle in one swabbing period of the oil well pump is calculated based on the average output power of the oil pumping unit and the net torque curve. According to the invention, real-time dynamic optimization is carried out on the production working condition of the pumping unit, and constant power mode operation of the pumping unit is realized.

The invention provides a vehicle simulation test device and a vehicle simulation test method. The device comprises a first base, a second base and four dynamometers, the dynamometer comprises a lifting assembly, and a steering assembly, a roll assembly and a roller assembly which are arranged on the lifting assembly. The lifting assembly is used for lifting the steering assembly, the steering assembly is used for rotating the roll assembly, and the roll assembly is used for the roll roller assembly. Through the lifting assemblies which are arranged on the left side and the right side of the tested vehicle and have different heights and the side inclination angles of the side inclination assemblies which are adaptively adjusted according to the angles of the lifting assemblies on the left side and the right side of the tested vehicle, the driving conditions of the vehicle at the transverse gradient and wheel side inclination are simulated. Through the lifting assemblies which are arranged at the front end and the rear end of the tested vehicle and have different heights, the driving condition of the vehicle at the longitudinal slope is simulated; the roller assembly is driven through the steering assembly, and the driving condition of vehicle steering is simulated.

The utility model relates to the field of material testing, in particular to a diaphragm tensile air permeability testing system. Comprising a stretching pre-tightening device and an air permeability testing device, the stretching pre-tightening device comprises a fixed clamp, a movable clamp, a dynamometer and a transmission mechanism, the fixed clamp and the movable clamp are oppositely arranged, the air permeability testing device is located between the fixed clamp and the movable clamp, the measuring end of the dynamometer is connected with the fixed clamp through a sample, and the transmission mechanism is connected with a body of the dynamometer. According to the utility model, the diaphragm can be subjected to air permeability test in a stretching state, and the air permeability is accurately measured and evaluated.

The invention discloses a coil motor pressure testing device, which relates to the field of motor coil detection, and is characterized in that a pressure measuring device is arranged at the top of a fixed seat, and the position of the pressure measuring device on the fixed seat is adjustable; the pressure measuring device comprises a dynamometer body and a force measuring probe arranged at the top of the dynamometer body; the pin bounce simulation mechanism comprises a pressure head, a sliding rod, a spring and a mounting seat; one end of the spring is connected with the pressure head, the other end of the spring is connected with the mounting seat, one end, away from the spring, of the mounting seat is detachably connected with the force measuring probe, the sliding rod is fixed at one end, provided with the spring, of the mounting seat, the sliding rod, the spring and the force measuring probe are parallel to one another, and the pressure head slidably penetrates through the sliding rod; one end of the pressure head away from the mounting seat is used for bearing pressure of the to-be-tested coil motor. The testing device can simulate the stress process of pin deformation of the semiconductor device and accurately measure the torsion of the coil motor in the process.

The invention discloses a composite board bonding strength detection device and detection method, and relates to the technical field of bonding strength detection. Comprising a base and a rack fixedly connected to the upper end of the base, first sliding grooves are formed in the inner side of the rack, a cross beam is fixedly connected between the first sliding grooves, a dynamometer is fixedly connected to the lower end of the cross beam, connecting bases are fixedly connected to the lower end of the dynamometer and the upper end of the base, and clamps are arranged at the ends, close to each other, of the connecting bases; the first-stage braking assembly is arranged in the first sliding groove, located between the upper end of the cross beam and the top of the rack and used for counteracting movement inertia of the cross beam; when instantaneous force is applied to the non-Newtonian fluid through the piston disc, the non-Newtonian fluid is rapidly gathered to form a rigid structure to improve the hardness, so that the displacement of the piston disc is prevented, the cross beam is prevented from continuously displacing when being subjected to inertia, the position fluctuation of the cross beam caused by inertia is reduced, the occurrence probability of overshoot reading and return stroke reading is reduced, and the accuracy of measurement is improved. And the accuracy of detection data is improved.

The invention discloses a testing device for the cyclic working condition of a loading machine. The system belongs to the technical field of simulation testing and comprises an engine and control system, a transmission and control system, a hydraulic control system, a dynamometer, a dsPACE system, a computer and the like. The numerical cycle working condition of the loading machine is stored in the computer, executable codes are generated according to the numerical cycle working condition through a dsPACE system, the fuel injection quantity of an engine is controlled through VCU Link, and the rotating speed and the torque of the engine are controlled to run according to the cycle working condition. Controlling the pressure of the proportional overflow valve, and simulating the power consumed by the hydraulic system under the cyclic working condition of the loader; the gear of the gearbox and the load applied by the dynamometer are controlled through the TCU, and the power consumed by the driving system and the shovel loading operation in the cyclic working condition of the loader is simulated. According to the invention, the operation of each system in the working process of the loader under the cyclic working condition can be simulated, the matching rationality, the dynamic property and the fuel economy of the power transmission system of the loader are tested, and a test basis is provided for the design and development of the loader.

The utility model discloses a force measuring mechanism, a force measuring device and an elastic member preload pressure adjustment device, wherein the force measuring mechanism includes a dynamometer, a connecting rod, a connecting seat and a connecting ball, and is connected to the dynamometer by setting a measuring assembly with a connecting ball. When contacting a part to be tested with a hollow cavity for force measurement, the connecting ball can be partially embedded in the hollow cavity and in line contact with the circumferential cavity wall of the hollow cavity, and the overall circumferential force of the part to be tested can be well transmitted to the connecting rod and then to the dynamometer through the connecting ball, so that the pressure value obtained is more accurate and the measurement accuracy is improved. The adjustment device can further drive the mounting part to rotate so that the position of the adjustment part on the mounting part is adjusted, thereby adjusting the preload pressure of the elastic member.

The invention discloses a clutch torque transmission characteristic dynamic test method, and relates to the field of clutch control, and the method comprises the steps: building a test bench, and separating a clutch, the transmission is put into a direct gear; presetting working condition parameters, wherein the working condition parameters comprise an output dynamometer target rotating speed N, an input dynamometer target rotating speed N and a clutch actuator target initial position P; obtaining a preset target torque loading strategy; according to the preset target torque loading strategy, the current position of a clutch actuator is controlled, a clutch friction pair is made to move relatively, and meanwhile test data are collected; acquiring a preset temperature threshold value; according to the test data, whether the clutch reaches a preset temperature threshold value or not is judged; if not, continuing to execute the preset target torque loading strategy; if yes, acquiring a target test position, and generating test data of the target test position; and preprocessing the test data according to the target test position test data, and generating an all-position test result.

The invention provides a multi-motor cooperative control system based on an open-source real-time operating system, and relates to the technical field of multi-motor control, the system calculates a target rotating speed through an upper computer controller, and ensures that a rotating speed instruction can be simultaneously sent to a plurality of dynamometers by using a real-time controller. By means of the EtherCAT high-speed communication protocol, the system can synchronously transmit instructions with extremely low delay, and it is guaranteed that all the drivers receive and execute the same operation instructions at the same moment. In addition, by setting consistent acceleration and deceleration time and PI control parameters of a speed loop and a current loop in the driver, the synchronism and response performance of the system are further optimized. The invention aims to realize high-precision synchronous operation.

The invention relates to the technical field of testing machines, in particular to a vibration testing machine which comprises a vibration testing machine testing product and a testing platform, the testing product is fixedly installed above the testing platform, the testing platform is fixedly installed on a standard dynamometer, the testing platform comprises a first platform and a second platform, and the first platform and the second platform are fixedly installed on the testing platform. The first platform is located above the second platform, a universal support is jointly installed between the first platform and the second platform, the fastening groove is formed in the triangular shape, the width of the groove opening of the fastening groove is gradually increased, and therefore locking bolts of various sizes can enter the fastening groove and be attached to and locked with the fastening groove. In addition, the two sets of anti-skid teeth arranged on the side wall of the fastening groove enable the locking bolt to obtain the anti-skid and anti-rotation capacity after entering through the outward protruding amplitude change of the two sets of anti-skid teeth, the placing stability of the to-be-detected testing machine is improved, and then the precision of subsequent test data is improved.

A portable on-vehicle dynamometer comprises a containment chassis (2), a drum (3) rotatably housed in said containment chassis (2) to rotate around a load shaft (4), mechanical transmission means (5) adapted to connect said load shaft (4) to the hub of a wheel of the vehicle being measured to transfer the motion of the vehicle engine to said drum (3), wherein said mechanical transmission means (5) comprise a connection flange (6) provided with a central axis of rotation and suitable to be fixed stably but removably to the hub of the vehicle wheel, wherein said mechanical transmission means (5) further comprise a CV joint (7) adapted to connect said flange (6) with one end of said load shaft (4) and designed to allow mutual angular regulation between said load shaft (4) and the central rotation axis of said flange (6) with respect to at least one inclination plane.

The utility model discloses a stainless steel bar fixed-length cutting device, which relates to the technical field of cutting and comprises a lifting plate. A driving wheel is connected to a mounted bearing of the lifting plate in a matched mode, a rotating shaft of the driving wheel is connected with a second driving motor in a matched mode, and then a meter is arranged on one side of the driving wheel and fixed to the lifting plate through a bolt. A bearing frame is arranged on one side of the lifting plate, the bearing frame is arranged in a V shape, and a rotating roller is arranged on the inner side of the bearing frame; a laser cutting machine is arranged above the lifting plate; according to the laser cutting machine, the driving shaft of the second driving motor drives the transmission wheel to rotate, so that power is provided for a to-be-cut bar, the meter can meter the length and cut in a fixed-length mode, the bearing frame plays a role in bearing, the to-be-cut bar can be driven to rotate under rotation of the rotating roller, and circumferential cutting of the laser cutting machine is facilitated.

The invention relates to the technical field of suction cup testing, and discloses a ceramic suction cup suction testing device which comprises a suction cup, a testing piece, a testing box, a testing assembly, a reset assembly, a material changing assembly and a vacuum pump. The test assembly comprises a push-pull dynamometer and a power assembly, and the power assembly is used for driving the push-pull dynamometer to apply thrust to the test piece; the reset assembly comprises a reset plate, a first air cylinder, a guide plate and two limiting plates, the top of the guide plate is flush with the top of the suction cup, and a first sliding way is defined between the two limiting plates so as to guide the test piece; the material changing assembly comprises a discharging groove, a feeding cylinder and a discharging plate, the discharging groove is used for receiving the test piece, the top of the feeding cylinder is communicated with the outside of the test box, a discharging hole communicated with the discharging plate is formed in the bottom of the feeding cylinder, and the discharging plate is communicated with the first sliding way. The test piece can be pushed back to the suction cup again, the suction force of the suction cup can be repeatedly tested, the damaged test piece can be replaced, and the test accuracy can be improved.