32 results about "Endurance testing" patented technology

The utility model discloses an air outlet durability testing device, which comprises a mounting plate, a first cylinder, a slide rail, a slide block, a second cylinder, a push plate, a U-shaped frame, a first bolt, a first nut and a plurality of clamping rods, the mounting plate is provided with a mounting seat, the edge of the mounting seat is provided with a plurality of baffle plates, the baffle plates are provided with screw holes, and second bolts are screwed in the screw holes. By rotating the second bolt, the end of the second bolt pushes the air conditioner air outlet to abut against the baffle, and the air conditioner air outlets of different sizes are fixed in the mounting base. The mounting plate is started, the second air cylinder and the sliding block are pushed to slide left and right on the sliding rail, the second air cylinder is started, and the movable end of the second air cylinder pushes the U-shaped frame to move in the front-back direction through the push plate. The clamping rods are connected to the interior of the U-shaped frame, and the poking piece is clamped between the pair of clamping rods. And the U-shaped frame, the clamping rod and the shifting piece are restored to the initial positions by stopping the mounting plate and the second air cylinder. Therefore, the shifting piece can be pushed leftwards, rightwards, forwards and backwards.

The utility model discloses a skiing machine service life durability testing machine which comprises a bottom plate, the top of the bottom plate is in bolted connection with a frame, the top of the bottom plate is in bolted connection with a testing cabinet, one side of the testing cabinet is in bolted connection with the frame, the top of the frame is in bolted connection with a supporting plate, one side of the supporting plate is provided with a testing mechanism, and the other side of the supporting plate is provided with a clamping mechanism. The testing mechanism comprises a support, one end of the support is in bolted connection with a driving motor, the output end of the driving motor is in bolted connection with a first belt pulley through a coupler, the other end of the support is rotationally connected with a second belt pulley through a first bearing seat, and the surfaces of the first belt pulley and the second belt pulley are sleeved with belts. The device can simulate the reciprocating motion of the skiing machine pull rope, and the test efficiency and accuracy are improved; the testing angle can be flexibly changed through adjustment, different testing requirements are met, the overall structure is stable and reliable, operation is easy and convenient, and an efficient and accurate testing means is provided for durability evaluation of the service life of the skiing machine.

The invention relates to the technical field of product testing, and discloses a wearable equipment endurance testing device and method, and the device comprises a bionic model which is provided with a wearing part; the temperature acquisition module comprises a temperature sensor arranged in a fitting area of the tested wearable product and the bionic model, and a temperature recording device connected with the temperature sensor; the running state detection module is used for acquiring the current running state and the state running signal of the detected wearable product; and the timing component is connected with the running state detection module, and is used for starting timing when receiving the state running signal representing running start and stopping timing when receiving the state running signal representing running stop, so that the timing time recorded by the timing component is used as the running duration time of the detected wearable product. By arranging the simulation model with the wearing part, the temperature rise change of the tested wearing product in the testing process is closer to a real wearing situation, and the credibility, comparability and engineering reference value of temperature rise test data are improved.

The utility model provides clutch disc durability test equipment, which relates to the field of test equipment and comprises a test equipment rack arranged on a working area, a clutch workpiece is fixed on the test equipment rack, and one side of the test equipment rack is provided with a placement rack with a plurality of separated storage frames. According to the invention, one side of the test equipment rack is provided with the placement rack with the plurality of separated storage frames, and one end of each separated storage frame is provided with an opening, so that to-be-tested samples can enter, and after the samples are sequentially put into the separated storage frames to be classified, the openings can be locked by rotating the limiting screws to move left and right; and when the samples need to be frequently replaced in the testing process, the storage space of the samples can be obtained, so that convenience is brought to the testing process.

The utility model relates to the field of coil spring detection, in particular to an automobile safety belt coil spring durability testing machine which comprises a workbench, a first motor is fixedly installed at the upper end of the workbench through an installation frame, an output shaft of the first motor is detachably fixed to a driving shaft through a sleeve shaft, and an installation disc is rotationally arranged on the driving shaft in a sleeved mode. The end of the driving shaft is further in transmission connection with a follow-up disc, the side, away from the mounting disc, of the follow-up disc is connected with the input end of a torque sensor through a follow-up shaft, and the torque sensor is connected with the workbench through a supporting piece. An insertion hole penetrating through the driving shaft is formed in the driving shaft, the inner end of the coil spring is inserted into the insertion hole, and the insertion hole extends in the radial direction of the driving shaft; an embedding groove is formed in the mounting disc, a hanging rod is connected in the embedding groove in a sliding mode, one end of the hanging rod is in clearance fit with the side wall of the follow-up disc, the structure of the driving shaft, the hanging rod and the like is adopted, the purpose of automatically tightening the coil spring before testing is achieved, and compared with manual tightening, the coil spring tightening device is faster, safer and more reliable.

An apparatus for testing a plurality of electrical switches including contacts to connect multiple sample switches to an input and an output. A power source is connected to the inputs of the sample switches, and other switches are connected to the outputs of the sample switches so that the sample switches may be selectively connected to either a make load or a break load to perform testing on the sample switches. The sample switches may further be made of silicon carbide MOSFETs that shutoff using a zero-crossing current sensing logic. The voltage at the sample switches may further be monitored by a universal voltage board configured to sense various alternating and direct current (AC or DC) voltages so that various types of sample switches may be tested.

The application discloses a kind of tire bulge test methods, belong to tire performance test field.The method includes data acquisition step, data processing step, control step;Data acquisition step includes the first displacement value when using infrared laser range finder device measurement tread bulge, the second displacement value when side bulge, the third displacement value when shoulder bulge, and the fourth displacement value when tire outer sub mouth bulge;Data processing step includes the first displacement value, the second displacement value, the third displacement value, the fourth displacement value are transmitted to computer control system by infrared explosion-proof industrial computer, and computer control system transmits data to the industrial computer of high-speed endurance testing machine;Control step includes if exceeding the displacement amount set, then default tire bulge, equipment shutdown.The application is applied to tire bulge test aspect, solves the problem that existing high-speed endurance testing machine tire bulge control system method exists operation complex, test result is not accurate, with the characteristics of test result accurate.

The utility model discloses a safety belt durability testing device, which is characterized by comprising a movable seat, a guide winding roller, a first directional winding roller and a second directional winding roller, the movable seat is connected with a first movable driving assembly and is provided with a mounting part for placing a retractor, and the guide winding roller, the first directional winding roller and the second directional winding roller are sequentially arranged. A movable roller is correspondingly arranged between the first directional winding roller and the second directional winding roller, the movable roller is arranged on a lifting seat, the lifting seat is connected with a lifting driving assembly, a rotating disc is correspondingly arranged below the movable roller, a binding belt part is arranged on the rotating disc, and the rotating disc is connected with a rotating driving motor through a rotating shaft. And a torque sensor is arranged corresponding to the rotating shaft and can feed back information to the controller. The safety belt durability testing device is simple in structure, reasonable in design and capable of achieving automatic safety belt durability testing.

The invention belongs to the technical field of pipeline tests, and particularly relates to a high-temperature stress endurance testing device for an aviation pipeline connecting piece. The device comprises a tensile testing machine, a high-temperature environment box and a video extensometer, the tensile testing machine comprises a stand column and an upper moving platform sliding on the stand column, the upper moving platform is connected with an upper straight-through connector of a pipeline test piece through an upper switching unit, and a transverse plate at the bottom end of the stand column is connected with a lower straight-through connector of the pipeline test piece through a lower switching unit. Hydraulic oil flow channels are arranged in the upper adapter unit and the lower adapter unit, one end of each hydraulic oil flow channel is connected with a pipeline of the pipeline test piece, and the other end is connected with the pump set unit; the high-temperature environment box sleeves the pipeline test piece and is used for providing a high-temperature environment; the video extensometer is located outside the high-temperature environment box and collects deformation data of the pipeline test piece in the test process through a transparent temperature-resistant glass window of the high-temperature environment box. The application can more accurately simulate and reproduce the use condition of the aviation pipeline piece in the high-temperature environment.

The utility model discloses a fatigue durability testing device for a purline assembly, which comprises a power device, the power device comprises a clamp driven by an electric cylinder, the clamp is connected to a push rod of the electric cylinder, the clamp is matched with a purline on the purline assembly and is provided with a bayonet matched with the outline of the purline, and the purline assembly comprises a main beam and the purline. Wherein the purline is fixedly connected to the main beam through the purline mounting piece and the U-shaped bolt; the pressure sensor is arranged between the clamp and the push rod and used for detecting the value of pressing vibration force borne by the purline in the operation process; and the controller is in communication connection with the power device so as to drive the electric cylinder to drive the clamp to operate.

The present application relates to the technical field of remote vehicle control system, and specifically provides an automatic testing device for remote vehicle control system and a building method thereof, which comprises the following steps: HIL load box system design; bench building and debugging; automatic testing framework design; system initialization design; code design; system debugging. The present application is based on python software engineering and HIL load box testing system, simulates remote instructions, achieves the purpose of controlling target output, supports precondition presetting, can set precondition before each use case execution, supports cyclic endurance testing, realizes continuous and uninterrupted automatic testing, and generates complete testing report, thereby realizing the stability and endurance testing of remote control service.

The invention discloses an ESC power-on and power-off dormancy durability test method and system, and the method comprises the steps: S1, building a test environment, enabling a to-be-tested ESC vehicle body stabilization system, a network test tool and a VBA message analysis simulation tool to be connected to the same test bench communication network, and deploying a TAE automatic test tool; s2, regulating and controlling the network test tool to enable the network test tool to inject a high load into the test bench communication network, and enabling a bus load rate to be stabilized in a preset target interval; s3, starting a durability test, controlling and activating the VBA message analysis simulation tool by the TAE automatic test tool so that the VBA message analysis simulation tool begins to collect an ESC core message according to a set sampling rate, and starting log recording; s4, the TAE automatic testing tool executes the power-off-dormancy-power-on circulation process according to the preset number of cycles until all cycles are completed, and meanwhile the network testing tool continuously monitors and maintains the load rate stable. According to the method, the ESC communication can be fully, effectively and reliably verified, and the communication fault risk of the ESC under the cyclic dormancy power-on working condition is eliminated.

This invention discloses a flexural endurance testing machine for sports shoe production lines, comprising a base plate, a first placement plate rotatably connected to the base plate, a first limiting component mounted on the first placement plate, a rotating seat rotatably connected to the base plate, a second placement plate fixedly connected to the rotating seat, and a second limiting component mounted on the second placement plate. The rotation axis of the first placement plate is parallel to the rotation axis of the second placement plate. A motion component for controlling the rotation of the first and second placement plates is mounted on the base plate. This invention has a simple structure, is easy to operate, can perform bending and deflection tests on sports shoes, and is easy to switch between.

The utility model discloses a door opening and closing durability testing machine which comprises a rack, clamping units are arranged on the two sides of the rack, a door opening unit is arranged at the front end of the rack, a push-pull unit is arranged at the front end of the rack, a refrigerator body is installed on the inner wall of the rack, and each clamping unit comprises an installation plate. The mounting plate is fixedly connected to the inner wall of the rack, an electric push rod I is mounted on one side of the mounting plate, a clamping plate is fixedly connected to the output end of the electric push rod I, and two guide rods are fixedly connected to one side of the clamping plate. The refrigerator body can be clamped through the clamping unit, and it is ensured that the refrigerator does not shake or move in the testing process; through cooperation of the door opening unit and the push-pull unit, stable opening of the door body can be achieved, the manual door opening action is simulated, and the pulling force in the door opening process is monitored.

The invention discloses a fatigue durability test method for a hot-melting self-tapping screw, and belongs to the field of detection of hot-melting self-tapping screw products. According to the detection method, a tensile testing machine comprises a first connector and a second connector, and the second connector is further connected with a fatigue testing unit capable of providing tensile force; the third connector and the fourth connector are respectively provided with a test board, and the two test boards are connected through a hot melting self-tapping screw. Two ends of a test assembly are respectively connected with the third connector and the fourth connector; carrying out peak load testing and determining a maximum test parameter, testing two ends of the test assembly under a static condition, recording a peak failure load, determining the maximum test parameter and the minimum test parameter according to the peak failure load, and determining a test frequency; and determining the cycle index, and testing the maximum load meeting the condition of the cycle index. Through the ingenious design, the shearing force is detected by one set of equipment, and a reliable guarantee is provided for subsequent installation.

The utility model provides a compensation chain durability testing device, which comprises a testing box, a fixing mechanism and a lifting mechanism, a switch door is arranged on the front wall of the testing box, an upper support plate and a lower support plate are respectively arranged at the upper end and the lower end of the rear side of the rear wall of the testing box, and the upper end and the lower end of a left sliding rod and the upper end and the lower end of a right sliding rod are respectively connected with the upper support plate and the lower support plate. The fixing mechanism comprises a fixing wheel, a fixing plate and a servo motor, and the pulling-up mechanism comprises a pulling-up wheel, a pulling-up plate and an air cylinder. The beneficial effects of the utility model are that the servo motor controls the rotation rate of the fixed wheel, and the cylinder controls the up-and-down movement of the pull-up wheel, so that the rotation rate and tensile strength of the compensation chain can be adjusted, the fatigue resistance and service life of the compensation chain can be tested, the cycle index is reduced, and the detection efficiency is improved.

The application relates to the technical field of grease performance testing, and provides a worm gear lubricating grease high-torque endurance testing machine, which comprises an equipment base and a motor arranged on the equipment base, the motor has an output shaft, a worm assembly is arranged on the output shaft, the worm assembly comprises at least three worms which are arranged at intervals along the axial direction of the output shaft, the radii of the worms are different from each other, a worm gear assembly comprises at least three worm gears which are in one-to-one correspondence with the at least three worms, each worm gear is rotatably and movably arranged on the equipment base, each worm gear can be engaged with or separated from the corresponding worm, and each worm gear can also be engaged with or separated from the adjacent worm gear, a lubricating grease injection mechanism is arranged on the equipment base and used for outputting the lubricating grease to each worm, and a current detection device is electrically connected with the motor, so that the worm gear lubricating grease high-torque endurance testing machine can accurately test the endurance of the lubricating grease between the worm gears.

The invention discloses a high-temperature molten salt stress corrosion testing device and method for a creep endurance testing machine, belongs to the field of high-end equipment manufacturing, and particularly relates to the field of metal stress corrosion. The device mainly comprises a sealed tensile test kettle, an upper high-temperature clamp, a lower high-temperature clamp, a connecting pin, a heating device and a test loop. A test sample is installed in the sealed tensile test kettle through the upper high-temperature clamp and the lower high-temperature clamp, the sealed tensile test kettle is connected with the creep endurance testing machine, the heating device is installed outside the sealed tensile test kettle, and the sealed tensile test kettle is connected with the test loop. The sealed tensile test kettle mainly comprises an upper movable sealing body, a lower sealing body, a metal sealing ring, a bolt fastener, an extension rod and a temperature measuring element. According to the invention, the high-temperature molten salt stress corrosion test device only needs to be mounted on a conventional creep endurance testing machine, so that a high-temperature stress corrosion test of a material or a test piece can be realized. The device has the advantages of good universality, convenience in molten salt filling, low cost and the like.

This invention discloses a personalized health program matching method based on electromyography (EMG) pressure, belonging to the field of pelvic floor rehabilitation therapy technology. First, it combines the FSFI scale with pelvic floor EMG pressure assessment data to calculate scores in five dimensions: tightness, excitability, sensitivity, relaxation, and hydration. A personalized initial training program is matched based on the minimum value of each dimension. Second, it extracts pressure data from fast-twitch, slow-twitch, and endurance testing phases, and determines the template adjustment coefficient based on the deviation rate between actual and theoretical values, dynamically adjusting the program's difficulty. Simultaneously, based on the maximum tolerable pressure value of the pelvic floor, combined with the total number of courses and the current session, it calculates the target value for electrical stimulation inflation and sets safety limits. Finally, it determines whether to add hypertonic relief courses based on the pre- and post-pelvic floor resting deviation, and adds stretching training components based on the initial and tolerable EMG values.

This invention provides a durability testing method for flash memory devices, comprising: performing multiple alternating write and erase operations on a memory cell in a high-temperature environment; performing read operations on the memory cell in a low-temperature environment, comparing the read storage current with a reference current of a reference cell, or comparing the read storage voltage with a reference voltage of a reference cell, to obtain a read result of the memory cell; comparing the read result of the memory cell with the value of the write operation, and if the read result and the write operation value are different, the durability test is determined to have failed; wherein, when the number of erase operations on the memory cell reaches a set value, a number of write and erase operations are sequentially performed on the reference cell. This invention improves the accuracy of the read results and the accuracy of the durability test results.

The utility model discloses a kind of high-temperature-resistant rubber endurance testing device, including test box, the inner wall of test box is equipped with the isolating plate of equidistance distribution, the inside of test box is equipped with the test cavity of equidistance distribution by isolating plate, the inner wall of one end of test cavity is fixed with positioning column, the top one end of positioning column is fixed with first pull block, the outer wall of the other end of test cavity is fixed with positioning sleeve by opening. The utility model simulates the working state of high-temperature environment and alternating stress condition, effectively evaluates the key performance indicators such as tensile strength retention rate, breaking elongation and compression permanent deformation rate of rubber ring under extreme temperature, the design of multiple detection cavities can be compatible with different specifications of rubber ring sample, cooperate with the real-time monitoring of digital tensiometer and digital thermometer, make the accurate of test data, provide reliable basis for material performance optimization.

The utility model discloses a high-torque durability testing machine which comprises a lower rack and an upper rack, a driving wheel mechanism is installed at one end of the top of the lower rack, a horizontal tensioning wheel mechanism is installed at the top of the lower rack and located on one side of the driving wheel mechanism, and a lifting tensioning wheel mechanism is installed on the upper rack. According to the utility model, in a non-bending test, cog belts with different sizes are tested at three points (the driving test belt wheel, the driven synchronous wheel and the free wheel); in the bending test, cog belts with different sizes are tested by adding idle wheels (an idle wheel, a driving test belt wheel, a driven synchronous wheel and a free wheel); the position of the driven synchronous wheel can be adjusted through the driving assembly and the ball screw, the position of the testing belt wheel assembly can be adjusted through the second screw module, it can be guaranteed that the belt is an equilateral triangle during testing, and the testing effect is improved.

The utility model relates to the technical field of conducting rings, in particular to a conducting ring rotating speed endurance testing device and a rotating mechanism, which comprise a driving part, a rotating part arranged on the driving part and a fastening part arranged on the rotating part, the fixing mechanism comprises a clamping part and a moving part arranged below the clamping part; the fastening part and the clamping part are arranged in a matched mode, the driving part drives the rotating part and drives the fastening part to rotate, according to the conducting ring rotating speed endurance testing device, the rotor is arranged on the fastening plates in a sleeving mode, the micro motor is started to enable the first two-way screw to rotate, and therefore the two fastening plates are far away from each other until the two fastening plates are tightly attached to the inner wall of the rotor; a second motor is started to enable a second bidirectional screw rod to rotate, so that two clamping plates are close to each other to clamp and push the stator, and the stator enters the rotor due to the arrangement of balls; the first motor is started, and the transverse plate rotates to drive the fastening plate to rotate, so that the rotor rotates to test the rotating speed endurance of the conducting ring.

The application discloses a kind of multifunctional fatigue endurance test device of car seat, including rack assembly component, the inner cavity of rack assembly component both sides are fixedly connected with side loading assembly, the left inner cavity of rack assembly component is fixedly connected with dummy loading assembly, the right inner cavity of rack assembly component is fixedly connected with backrest and loading assembly, the inner cavity top of rack assembly component is fixedly connected with servo action ware, the backrest and loading assembly include front loading assembly, hinge seat component, fixture assembly and air cylinder loading assembly, the right inner cavity of rack assembly component is fixedly connected with front loading assembly, the left side of front loading assembly is slidably connected with hinge seat component.The seat surface, both sides and rear side are respectively pressurized power source and rear side pressurized power source, so that the fatigue strength of each surface of seat can be detected, and the fatigue strength of seat is conveniently comprehensively evaluated.

The utility model discloses a kind of equipment cabinet handle endurance testing device, including fixing frame, support frame fixedly installed on the fixing frame;The utility model is provided with clamping mechanism, when the handle body of different sizes needs to be clamped, press pressing block, drive inclined block to move, inclined block extrude insert block, and then drive telescopic rod to contract, make insert block separate from slot, at this time, two clamping plates can be pulled, insert rod is extracted from fixed cylinder, and the spacing of two clamping plates is adjusted, after spacing adjustment is completed, release pressing block, under the elastic force of first spring, telescopic rod drives insert block to reset, inclined block loses extrusion force, insert rod is inserted into fixed cylinder again, insert block is also inserted into corresponding slot, improve flexible adaptability, ensure the accuracy and reliability of test result, improve test efficiency simultaneously.

The utility model discloses a mouse endurance testing device, which relates to the technical field of testing devices and comprises a glass box, the top of the glass box is movably connected with a positioning frame, the outer wall, close to one side, of the positioning frame is fixedly connected with a pressure-sensitive sensor, and the top end of the pressure-sensitive sensor is movably connected with a metal hanging net. The metal hanging net is located above the glass box, a micro-current metal net is fixedly connected to the inner wall of the glass box, a controller is fixedly connected to the outer wall of the glass box, and a micro-current driving assembly is arranged on one side of the controller. According to the utility model, the four symmetrically distributed pressure-sensitive sensors are used for monitoring the change of weight borne by the metal hanging net in real time, accurately capturing the hanging, moving, falling and other states of the mouse, and accurately recording the upside-down hanging duration in cooperation with the timer, so that the endurance of the mouse can be effectively tested, and accurate data can be obtained no matter for scientific research experiments; and a reliable means is provided for evaluating the physical energy change of the mouse under the scenes of drug research and development and the like.

The utility model discloses a flow endurance test system. The flow durability test system comprises an air compressor used for generating gas with pressure, a heat dissipation device used for conducting heat dissipation on the gas, a test pipe used for installing a tested product and a silencer used for silencing, and the test pipe comprises a test gas inlet pipe and a test gas outlet pipe. The air compressor, the heat dissipation device, the test air inlet pipe, the test air outlet pipe, the back pressure valve and the silencer are connected in sequence, the test air inlet pipe is installed at the air inlet end of a tested product, and the test air outlet pipe is installed at the air outlet end of the tested product. A pressure sensor used for detecting pressure and a temperature and humidity sensor used for detecting temperature and humidity are arranged on the test air inlet pipe, and a pressure sensor used for detecting pressure, a temperature and humidity sensor used for detecting temperature and humidity and a flow sensor used for detecting flow are arranged on the test air outlet pipe. The flow endurance test system can simulate different working conditions.

The utility model relates to the technical field of motor testing, in particular to a motor durability testing device which comprises a first sliding table and a second sliding table. The first sliding table is provided with a movable end moving in the first direction, the second sliding table is arranged at the movable end of the first sliding table, the second sliding table is provided with a movable end moving in the second direction, and the second direction is perpendicular to the first direction. According to the utility model, radial force and axial force can be applied to the output shaft of the motor so as to improve the test precision.

The utility model relates to a rotating shaft durability testing machine which comprises a main body (1), a motor (2) and a clamp assembly (3) are arranged on the main body (1), the clamp assembly (3) is connected with the main body (1), the clamp assembly (3) is connected with the main body (1) and the motor, a rocker arm adjusting assembly (4) is further arranged on the clamp assembly (3), and the rocker arm adjusting assembly (4) is connected with the main body (1). The rocker arm adjusting assembly (4) is connected with the clamp assembly (3) in a sliding mode. According to the design, on one hand, adjustment can be carried out according to the sizes of products, on the other hand, multiple products can be tested at the same time by arranging the multiple clamp assemblies, and the testing efficiency is effectively improved.

The application relates to the field of clutch testing, in particular to a clutch endurance testing device, which comprises a device shell, one side of the device shell is provided with a driving shaft, the other side is provided with a detection shaft, a detection box is fixedly installed on the device shell, the driving shaft and the detection shaft both extend into the detection box, one end of the driving shaft and the detection shaft adjacent to each other is provided with a mounting disc, the mounting disc is respectively provided with a friction plate and a clutch plate. The centrifugal force generated by the operation of the testing device can push the limiting block and the connected temperature sensor to move upwards, so that when each temperature sensor is pushed out, the temperature sensor can abut against the corresponding friction plate, the data detected by the temperature sensor is transmitted to the temperature measuring module in the corresponding area for centralized processing, the centralized processing of the temperature measuring module can effectively and intuitively understand the overall temperature condition of the clutch and the temperature difference generated in different areas, and the data precision during the detection of the clutch is ensured.