925 results about "Impact testing" patented technology

The invention discloses a valve vibration impact test method and system based on digital twinning, and belongs to the technical field of industrial equipment test and evaluation. The method comprises the following steps: firstly, deploying a multi-source sensor network, constructing a physical entity layer of a valve vibration impact test, collecting and preprocessing various physical monitoring data, and constructing a digital twinborn body layer; secondly, real-time data assimilation with a physical test bed is realized through parameter calibration and updating of a digital twinborn model based on various physical monitoring data and the digital twinborn layer; and finally, executing a virtual vibration impact test, realizing prediction and evaluation of global response and key part information of the physical entity according to a test result, and finally realizing interaction and performance prediction. And the valve vibration impact test is realized through the valve vibration impact test system. According to the method, the fault diagnosis capability, the early damage identification capability and the valve state prediction and evaluation capability can be remarkably improved, and the defect of insufficient field monitoring information is overcome.

This invention relates to the field of battery testing technology and discloses an ice-water impact testing system, comprising: a temperature control unit for regulating the temperature of the testing environment, the temperature control unit including a liquid nitrogen cooling device and an electric heating device, and using a PID algorithm to regulate temperature fluctuations within ±0.5℃; an impact unit for simulating water flow impact and mechanical vibration of battery samples during testing, the impact unit including a high-pressure water pump and a mechanical vibration device, capable of adjusting water flow pressure and vibration acceleration; and a data acquisition and analysis module for real-time acquisition of temperature, humidity, pressure, and battery voltage data during the testing process, and evaluating battery performance through intelligent analysis algorithms. By combining the liquid nitrogen cooling device and the electric heating device, and employing a PID control algorithm, precise adjustment of the temperature control unit is achieved, enabling rapid temperature switching within the range of -40℃ to 80℃, while maintaining temperature fluctuations within ±0.5℃.

The invention relates to the field of detection, in particular to a glass fiber asphalt shingle quality detection device. Traditional detection equipment has significant limitations which are mainly embodied in that only impact at a single position can be simulated or randomness is lacked, and diversified impact conditions possibly encountered by asphalt shingles in actual use cannot be accurately reflected. The glass fiber asphalt shingle quality detection device comprises a shell, and a frame body and the like are arranged in the shell; the frame body is of an open structure, and a placing frame is arranged in the frame body in a sliding mode. According to the invention, the two electric push rods drive the lifting frame, the two push blocks and the two transverse shafts to move synchronously, so that the knocking block can carry out repeated impact test on the asphalt shingle body, and the continuity and consistency of the test are ensured; not only is the efficiency of the knocking test improved, but also the flexibility of force adjustment in the detection process is improved, and the impact resistance requirements of different asphalt shingle bodies can be met; through multiple impact tests, the quality evaluation of the asphalt shingle can be ensured to be more comprehensive and accurate.

The invention relates to the technical field of electric bicycle frame testing, and discloses an electric bicycle frame bearing capacity testing device which is used for testing the bearing capacity of an electric bicycle frame. Comprising an equipment base, a supporting frame arranged above the equipment base, an arc-shaped overturning assembly, a supporting overturning mechanism, a movable downward pressing assembly sliding on the top of the supporting frame, and a control host arranged on one side of the equipment base. A connecting block extends out of the telescopic cylinder in the vertical direction of the connecting groove to be connected with the rotating square block, and the clamping column is moved in the clamping groove to be limited and fixed; when a front end impact resistance test needs to be carried out on the vehicle frame, the connecting block extends out of the telescopic cylinder in the horizontal direction of the connecting groove and is connected with the rotating square block, so that the vehicle frame can be connected with devices with different functions, the vehicle frame can be tested at different angles and postures, and the accuracy and reliability of a test result are improved.

The invention discloses an impact resistance testing device and method for carton production, and relates to the technical field of impact testing devices.The impact resistance testing device comprises a baffle, four supporting frames and sliding rods are arranged at the upper end of the baffle, a top cover is arranged at the upper ends of the four supporting frames, and a transmission chain is arranged between the top cover and the baffle; a carton is arranged in the middle of the upper end of the baffle, a pressure applying mechanism for carrying out impact test on the carton is arranged among the four transmission chains, and an impact mechanism for changing the impact area to carry out impact resistance test on the carton is arranged in the pressure applying mechanism. According to the invention, a plurality of impact testing methods are provided through cooperation of the pressure applying mechanism and the impact mechanism to simulate various pressures and impacts possibly encountered in the actual transportation and storage process of the carton, so that the pressure resistance and the impact resistance of the carton can be evaluated more accurately; and the transmission chain controls the pressing force of the pressing mechanism, so that the bearing capacity of the carton can be quantified, and the deformation degree and the limit value of the carton under different pressures are determined.

The invention provides a mechanical in-situ test experimental device with a multi-working-condition simulation coupling effect, and belongs to the field of mechanical testing. The problems that an existing mechanical property testing device can only simulate single environment characteristics and cannot test various mechanical properties are solved. Wherein the linear sliding table is connected with the mobile platform through the mounting bracket, the upper end of the connecting rod is fixedly connected to the mobile platform, and the lower end is positioned in the box body; any one of one of the stretching and fatigue experiment clamp, the bearing platform and the bending pressing table can be mounted on a bottom plate of the box body, and any one of the other stretching and fatigue experiment clamp, the compression pressing head, the hardness measuring head, the bending pressing head and the impact testing head assembly can be mounted at the lower end of the connecting rod; the environment simulation assembly can simulate the temperature, humidity and salt mist environment of actual working conditions in the box body; the in-situ monitoring assembly can be used for monitoring the to-be-tested sample in the box body in real time. The device can simultaneously simulate a plurality of actual working conditions and coupling working conditions of actual loads, and can complete a plurality of mechanical property tests.

The embodiment of the invention provides an airplane windshield glass service reliability test method and system and a medium, and the method comprises the steps: carrying out the coupling simulation of a test environment based on a plurality of environmental factors, and building a plurality of environmental factor cooperative control test modes; performing an impact test on the aircraft windshield based on the collaborative test mode to generate damage monitoring data; analyzing the damage monitoring data based on the damage mechanical model, and generating damage acceleration state data; inputting the damage monitoring data and the damage acceleration state data into a life prediction model, and outputting residual life prediction data; analyzing the damage acceleration state data and the residual life prediction data based on the reliability standard information to obtain a reliability test result, and transmitting the reliability test result to the terminal in real time; the mode testing environment is carried out through multiple environmental factors, so that impact testing of different environments is carried out on the aircraft windshield glass, the testing diversity is improved, damage monitoring is carried out on the glass, and the reliability testing precision of the glass is improved.

The invention relates to automobile part testing, and relates to the technical field of an automobile door limiter durability testing device, and the device comprises an adjusting mechanism which comprises a first motor, a first rotating disc, a first sliding groove, a threaded rod, a first piston rod, a first sliding block, a second rotating disc, a second sliding groove and a sliding rod. Through cooperation of structures such as the second rotating disc and the arc-shaped plate, simulation testing of the vehicle door limiter is facilitated, the first motor is started to enable the second rotating disc to rotate continuously through transmission, the arc-shaped plate drives the cantilever to swing in a reciprocating mode, and the state of the limiter during door opening and closing is simulated; the durability cycle test, the motion precision verification and the instantaneous impact load evaluation of the vehicle door limiter are realized, the test automation degree and the simulation precision are improved, the negative pressure generates variable damping force, simulates air resistance, spring pre-tightening force and door closing impact, the durability of the limiter under real stress is tested, and the test effect of the device is improved.

The invention relates to the technical field of battery safety testing, in particular to a new energy lithium battery impact testing device which comprises a testing table and a supporting column, the supporting column is fixedly connected to the lower surface of the testing table, a shell is fixedly connected to the upper surface of the testing table, and speed adjusting mechanisms are arranged on the two opposite outer walls of the shell. Butt joint mechanisms are arranged on the two opposite sides of the upper surface of the test board, a firing pin and a collision block are arranged on the two sides of the top of an inner cavity of the shell, a rotating cover is slidably connected to one end of the upper surface of the test board, and a linkage mechanism is arranged in the test board. According to the new energy lithium battery impact test device, tested batteries can be divided into columnar lithium batteries and cuboid lithium batteries, the columnar lithium batteries and the cuboid lithium batteries can be clamped, if impact test types need to be replaced, the impact test types can be replaced through a linkage mechanism, the automation degree is high, and the test efficiency is high. Technicians do not need to manually replace collision objects, and manpower and time are saved.

The utility model discloses a coating impact testing device, which belongs to the field of thermosetting powder coating performance testing, and comprises a bottom plate, limiting mechanisms arranged at the top of the bottom plate, an adjusting mechanism arranged between the limiting mechanisms, an impact mechanism arranged at the top of the adjusting mechanism, a marking mechanism arranged at the top of the impact hammer, and a marking mechanism arranged at the bottom of the marking mechanism. The marking mechanism comprises a material storage box, the bottom of the material storage box is connected with a discharging pipe, the discharging pipe is an elastic pipe, and a stirring assembly is arranged in the material storage box. The device has the beneficial effects that a marking mechanism is arranged, marking pigment in a storage box is conveyed to the bottom of an impact hammer through a discharging pipe, so that an impact site can be marked when the impact hammer impacts a coating, and a place with unobvious deformation can be conveniently observed; and the stirring rod is arranged in the storage box, the stirring rod is driven by the rotating shaft to rotate, the pigment in the storage box is mixed, and layering or solidification of the pigment is avoided.

The invention discloses a chip cold and hot impact testing device and a testing method thereof, relates to the technical field of chip performance detection, and solves the problems that in the prior art, chips cannot be subjected to comprehensive and uniform cold and hot impact due to the fact that the chips are partially covered by a clamp, and the temperature of each chip is difficult to keep consistent when the chips are subjected to batch testing, so that the testing efficiency is improved. Therefore, the technical problem is solved. Comprising a testing cylinder used for providing cold and hot temperatures, a moving part is arranged in the testing cylinder, and a clamping mechanism used for dynamically clamping a chip body is arranged on the moving part; the clamping mechanism comprises a plurality of mounting seats, a first clamping mechanism, a second clamping mechanism and a linkage mechanism; and the mounting seats are uniformly distributed on the moving part. According to the chip testing device, the chips can be dynamically clamped conveniently, so that the chips can be comprehensively and uniformly subjected to hot and cold impact testing, and the temperature of each chip cannot have a large temperature difference when the chips are subjected to batch testing, so that the testing effect can be improved.

The utility model discloses a cantilever beam impact testing machine, and relates to the technical field of testing machines. The cantilever beam impact testing machine comprises a testing machine base, a cantilever beam body is fixedly connected to the testing machine base, an electric push rod is arranged on the cantilever beam body, an impact head is arranged at the output end of the electric push rod, and a positioning mechanism used for limiting a test sample is arranged above the testing machine base. The positioning mechanism comprises a positioning seat fixedly connected to the testing machine base, and the positioning seat is provided with a clamping assembly and an impact positioning assembly. According to the cantilever beam impact testing machine, through the design of the positioning mechanism, during operation, the position of the impact positioning assembly is firstly adjusted, so that the impact width position of a test sample is quickly clamped to form positioning, then the test sample is clamped and positioned by utilizing the clamping assembly, and the toughness of the test sample is quickly tested; the test sample can be conveniently and quickly positioned, and the operation process is time-saving and labor-saving.

The utility model discloses an impact resistance test device for ship sealing rubber parts, which relates to the field of rubber impact detection, including a base, a bracket fixedly connected to the top of the base, an impact detection mechanism arranged on the bracket, the impact detection mechanism including an impact rod, guide rods fixedly connected to both sides of the impact rod, the guide rods slidingly connected to the bracket along the vertical direction, a top plate fixedly connected to the top of the guide rod, a pressure-bearing inclined block fixedly connected to the bottom of the top plate, an elastic mechanism for driving the guide rod to impact downwards arranged on the bracket, and a power mechanism for driving the pressure-bearing inclined block to move upwards arranged on the top of the bracket. The impact detection mechanism is driven to move upwards by the power mechanism, and the impact detection mechanism is actively moved downwards by the elastic mechanism, so that the impact rod can be reciprocated up and down to realize the impact resistance test of the rubber parts, the operation is simple and quick, the use is more convenient, single impact test and continuous impact test can be realized, and the practicality is higher.

The invention discloses a rotator cuff injury impact test method based on sensor data analysis, and relates to the technical field of intelligent medical equipment, and the method comprises the steps: inputting a joint contracture data set into a generative adversarial network model, carrying out pressure propagation mode analysis through a three-dimensional convolution layer, carrying out energy hot spot aggregation through an attention mechanism layer, and carrying out pressure propagation mode analysis through a three-dimensional convolution layer; the method comprises the following steps: generating a pressure field comprehensive vector of a contracture joint, extracting gradient amplitude and energy density characteristics in the pressure field comprehensive vector, performing neighborhood smoothing through Gaussian average filtering, obtaining an acoustic impedance value matrix, synchronously performing spatial continuous mapping, obtaining an acoustic impedance distribution diagram, and obtaining an acoustic impedance value of the contracture joint according to the acoustic impedance distribution diagram. And performing dynamic compensation on the pressure field comprehensive vector through an acoustic transmission equation to obtain a corrected pressure field comprehensive vector, and converting the corrected pressure field comprehensive vector into an impact control signal through a PID (Proportion Integration Differentiation) controller. According to the invention, through the generative adversarial network model and the PID controller, the multi-physical field data of the joint contracture area can be integrated, and the frequency and pulse width of the shock wave therapeutic apparatus can be adjusted.

The invention discloses a drop impact resistance testing device, which relates to the technical field of impact testing devices and is technically characterized by comprising an electric sliding rail, a temperature and humidity simulation structure is arranged at the top end of the electric sliding rail, and a ground simulation structure is arranged at the bottom end of the electric sliding rail. The temperature and humidity simulation structure comprises a three-fork fixing frame fixedly installed at the top end of the electric sliding rail, a hydraulic cylinder is fixedly installed on the three-fork fixing frame, and a first pressure sensor is fixedly installed at the output end of the hydraulic cylinder. Closed-loop temperature control is constructed through the double-layer simulation box, a thermoelectric semiconductor and an atomizer, and the marine transportation high-humidity, cold-chain low-temperature and high-temperature environment is simulated; a hydraulic cylinder is combined to drive a hollow pressing plate to restore stacking pressure, and the pressed softening state of the carton is monitored in real time. Meanwhile, the ground simulation structure restores falling impact of various landing scenes such as cold chains, sea transportation and trucks. A real transportation scene is simulated in the whole process, and the accuracy and comprehensiveness of carton impact resistance evaluation are remarkably improved.

The utility model discloses a plastic impact testing machine, which structurally comprises an upper top cover, a support frame, a guide shaft, a replacement door, a rubber pad, a placement table, a fixed base, a driver, an impact hammer body mechanism and an adjusting replacer, and the lower end of the upper top cover is welded with the upper end of the support frame. Structurally, the guide shaft is connected with the sliding rail groove frame arranged in the outer side of the hammer body shell for lifting and positioning, and a rolling bearing is arranged in the sliding rail groove frame, so that the movement process is smoother, and the unnecessary jamming phenomenon is avoided; furthermore, a connecting shaft is mounted in the hammer body shell, so that the weight of the counterweight thallium can be conveniently replaced and adjusted through a replacement door, and the counterweight thallium can be disassembled and changed more quickly in the impact test process of different bearing forces of different plastic parts according to needs and is fixed through a fixing shaft bolt; and the sliding wheels arranged on the inner sides of the limiting blocks can provide a smoother process in the disassembly, assembly and replacement processes.

The invention discloses an impact resistance test device and method for an energy-absorbing anti-collision structural member, and relates to the technical field of automobile anti-collision members. Comprising a support, a drop hammer mechanism arranged on the support and capable of sliding in the Z direction, a clamp arranged at the bottom of the support and used for clamping a test piece, and a force value sensor arranged below the clamp and used for collecting impact force borne by the test piece. The first displacement detection component is arranged above the test piece and can be used for measuring the concave depth of the upper surface of the test piece, the second displacement detection component is arranged between the test piece and the force value sensor and is used for measuring the convex height of the lower surface of the test piece, and the first displacement detection component can move in the X direction and the Y direction. The first displacement detection component can measure the concave depth of the upper surface of the sample in a multi-point mode, the second displacement detection component can measure the protruding height of the lower surface of the sample, it is ensured that the initial error can be accurately deducted from the displacement variation after impact, and the measurement precision of the upper and lower surface deformation of the sample is improved.

The invention discloses an electromagnetic ejection type impact testing machine device and a testing method, and belongs to the technical field of impact testing. The problem that when an existing impact testing machine needs a high impact speed, the device also needs a large acceleration distance is solved. The first electromagnetic main track and the second electromagnetic main track are fixedly connected to the track support in the length direction, the two electromagnetic auxiliary tracks are fixedly connected to the portions, on the two sides of the first electromagnetic main track, of the track support respectively, and the two electromagnetic auxiliary tracks, the first electromagnetic main track and the second electromagnetic main track each comprise two parallel linear tracks. The linear track is formed by arranging a plurality of stators in the length direction, and each stator is wound with an electromagnetic coil. According to the invention, through the electromagnetic track acceleration device, a large impact speed can be obtained in a small acceleration distance, the automation degree of an impact test is improved to a great extent, and flexible adjustment and accurate control of impact gears are realized.

The utility model discloses an impact testing machine for hub detection, which comprises a workbench and an impact assembly, a support is fixedly mounted at the top of the workbench, the impact assembly comprises a magnetic attraction seat, a guide plate, a guide rod, a mounting plate, a bidirectional screw rod, a fixing rod, a knob, an impact hammer and a fixing plate, and an electric telescopic rod is mounted in the middle of the top of the support. The bottom of the electric telescopic rod penetrates through the support and is fixedly provided with a connecting plate. The two-way lead screw is driven to rotate by screwing the rotary knob clockwise and anticlockwise, then the fixing rods on the two sides can be driven to move towards the outer side at the same time, fixing of the fixing plate is lost, the impact hammer can be conveniently taken down, the impact hammer can be conveniently replaced, and when the impact hammer is installed, the fixing plate is placed in the groove body, so that the impact hammer is installed conveniently. The fixing holes are aligned with the fixing rods, then the knob can be screwed anticlockwise, the fixing rods are driven to move towards the inner side at the same time, and the impact hammer is installed.

The invention discloses a damage identification method and system for a composite material fiber braid layer under a dynamic impact loading condition, and the method comprises the steps: preparing a sample piece with a specific fiber braid layer according to a to-be-monitored composite material structure; applying dynamic impact loading to the sample piece by adopting an impact testing machine at preset impact energy and frequency; in the dynamic impact loading process, a high-sensitivity acoustic emission sensor array is used for monitoring a sample piece, and acoustic emission signals are collected in real time; the collected acoustic emission signals are preprocessed; performing time-frequency feature extraction on the preprocessed acoustic emission signal; and obtaining a damage identification index D based on the extracted time-frequency features. Compared with the prior art, the method not only comprehensively considers multiple factors and performs dynamic response analysis, noise suppression and signal extraction, but also has a time-frequency feature extraction capability and has good applicability and flexibility.

The invention relates to the field of cantilever beam impact testing machines, in particular to a cantilever beam impact testing machine for raw materials for battery jar production, which comprises a buffer mechanism used for buffering and stopping limiting treatment of cantilever beam impact; the impact mechanism is used for carrying out impact resistance detection treatment on the stainless steel or polypropylene material; the clamping mechanism is used for clamping the stainless steel or polypropylene material; according to the cantilever beam impact testing machine for the raw materials for battery jar production, when a side pendulum bob and an impact hammer carry out impact resistance detection on stainless steel or polypropylene materials, if the materials are damaged, the side pendulum bob and the impact hammer continuously swing forwards due to inertia, and the impact resistance of the materials is greatly improved. And then the extending buffer plate can prevent the side pendulum bob and the impact hammer from swinging forwards, so that the effect of reducing the inertia residual force of the side pendulum bob and the impact hammer to the minimum is achieved.

The utility model relates to the technical field of detection, and discloses an automobile part buckle impact test device, which comprises a shell, grooves are formed in the periphery of the inner wall of the shell, movable columns are connected in the grooves in a sliding manner, and a test board is fixedly connected to the tops of the movable columns. A fixing plate is fixedly connected to the lower middle portion of the inner wall of the shell, a servo motor is fixedly connected to the bottom of the shell, the output end of the servo motor penetrates through the top of the fixing plate and is fixedly connected with a worm, the middle of the fixing plate is fixedly connected with a first fixing frame, and the outer wall of the worm is connected with a worm gear in a meshed mode. The servo motor drives the worm and gear, the rotating rod and the moving column to drive the test board to move, the spring pressure gauge measures the impact force generated after a test object collides with the impact plate, and when the telescopic rod drives the clamping plate to move left and right, the test objects of different sizes and models can be flexibly clamped.

The utility model relates to the technical field of temperature change test chambers, and discloses a rapid temperature change test chamber for hot and cold shock tests, comprising a chamber, a bottom plate fixedly installed inside the chamber, a partition plate fixedly installed on the upper surface of the bottom plate, an inner cavity of the chamber on the upper side of the bottom plate divided into a heating chamber and a cooling chamber by the partition plate, a receiving seat rotatably connected to the surface of the bottom plate, a servo motor fixedly installed on the inner bottom wall of the chamber, and a driving rod fixedly installed on the output shaft surface of the servo motor. In the utility model, when taking and placing materials, the adjustment ring is slid to the topmost side of the limit groove, and the placement cylinder is in a state facing the outside of the placement chamber, so that it is convenient for the operator to take and place the materials, and when conducting the test, the adjustment ring is slid to the bottommost side of the limit groove, and the placement cylinder is in a state tilted toward the inside of the placement chamber, so that the material can be prevented from being thrown out of the placement cylinder under the action of rotating centrifugation, and the test is carried out smoothly.

The invention discloses an ultra-low temperature toughened nylon glass fiber reinforced composite material, a preparation method and an application thereof. The composite material comprises 50-70 parts of nylon resin, 20-40 parts of glass fiber, 5-10 parts of toughening agent, 0.1-5 parts of cross-linking agent and 0.1-10 parts of other auxiliary agents by weight; the toughening agent comprises a maleic anhydride modified elastomer; the cross-linking agent comprises an amino cage silsesquioxane; the composite material has a simple supported beam notched impact strength of ≥15 kJ / m at -50 °C 2 The impact rod is tested at 50°C without breaking at least once. The ultra-low temperature toughened nylon glass fiber reinforced composite material of the present invention has both high impact strength and mechanical toughness in a wide temperature range, especially in an ultra-low temperature environment, and can meet the needs of railways, highways, electricity and other facilities in cold areas.

The invention relates to the technical field of impact testing, in particular to impact testing equipment and a testing method for an anti-collision guardrail, the anti-collision guardrail can rotate on a vertical plane by designing a placing frame capable of swinging around a swinging shaft, so that impact forces in different directions on a horizontal plane are simulated, and the impact testing efficiency is improved. The impact mechanism is arranged on the anti-collision guardrail, and an adjusting assembly in the impact mechanism is adjusted to enable the punching head to perform impact test on the anti-collision guardrail at different angles, so that the data group number of the impact test is further increased, the representativeness of the test data is improved, and the impact resistance of the anti-collision guardrail is effectively and comprehensively evaluated.

According to the durability evaluation method for the arch rib of the concrete-filled steel tube arch bridge considering the toughness, comprehensive evaluation on the durability of the arch rib is realized by combining a sensor network, nondestructive testing, a toughness evaluation test, environmental monitoring and an artificial intelligence analysis technology. A vibrating wire strain gauge sensor is arranged on an arch rib to collect strain data in real time; detecting internal defects and temperature abnormity by utilizing ultrasonic detection and infrared thermal imaging technologies; performing an impact test through an impact testing machine, and evaluating the toughness of the arch rib; a weather station is installed to monitor environmental parameters such as temperature, humidity and wind speed, and external factors influencing the performance of the arch rib are obtained. According to the method, data are subjected to MATLAB cleaning processing, a multi-layer neural network and an LSTM time sequence model are constructed through TensorFlow, arch rib durability scores and residual life prediction are generated, and high-risk area maintenance suggestions are provided for evaluation results. According to the method, multi-source data are comprehensively integrated, and accurate evaluation and long-term safety maintenance of the health state of the arch rib are realized.

The utility model relates to the technical field of battery pack detection, and discloses a battery pack dynamic collision impact test system, which comprises a guide rail, a remote control trolley, a buffer device and a suspension device, the suspension device is positioned beside the guide rail and is used for fixing a battery pack, the remote control trolley is arranged on the guide rail and can move along the guide rail, and an adjusting bracket is arranged on the remote control trolley. The adjusting support is connected with a weight through the electromagnet, the electromagnet can attract the weight when the electromagnet is started, the weight is separated from the adjusting support and impacts the battery pack on the suspension device when the electromagnet is closed, and the buffering device is arranged on the guide rail and used for reducing the speed and stopping the remote control trolley. Compared with the prior art, the impact condition of the battery pack when the vehicle is impacted can be effectively simulated, and an operator is helped to confirm the real collision impact result of the battery pack.

The invention discloses a storage battery electrode plate strength test system, and relates to the field of electrode plate strength test.The storage battery electrode plate strength test system comprises a multi-angle tool device and an array type impact test device.The multi-angle tool device comprises a base, a first tool platform, a second tool platform and a tool side plate, the first tool platform is rotationally installed on the base, and the second tool platform is rotationally installed on the tool side plate; the second tool platform is rotationally installed on the first tool platform, the rotation axis of the first tool platform is perpendicular to the rotation axis of the second tool platform on the horizontal plane, the array type impact testing device comprises an impact bottom plate, a lifting driving plate and impact rods, the impact rods are arranged on the impact bottom plate in a sliding and penetrating mode, and the impact rods are arranged in a rectangular array mode. The lifting driving plate is arranged above the impact bottom plate, a plurality of driving columns are arranged on the lifting driving plate in a rectangular array mode, each driving column is provided with an impact rod, the driving columns are detachably connected with the impact rods, simulation is conducted by accurately adjusting the tool angle, and it is ensured that a test scene is highly matched with the actual working condition.

The invention relates to the technical field of pendulum impact testing machines, in particular to PC material impact resistance detection equipment and a detection method.The PC material impact resistance detection equipment comprises a rack, a base, a sample seat, a swing arm, a pendulum, a motor and a sample, a separation structure is arranged at the top of the rack, and the sample seat is provided with an automatic fixing structure; the separating structure is used for overcoming the counter-acting force of a motor rotor, the automatic fixing structure automatically fixes a PC material sample through rotating force generated by a motor, an electromagnetic sliding block moves outside an electromagnetic sliding rail, the motor is driven to retreat through movement of the electromagnetic sliding rail, and at the moment, an inserting rod moves in an inserting groove. After the motor moves, the first gear and the second gear are separated from the meshing state and are not affected by counter-acting force, and then the detection precision of the pendulum bob on the sample is improved.

The invention relates to the technical field of new energy battery detection, in particular to a new energy battery pack impact resistance detection device which comprises a base, a falling table, a sliding table, an inclined table and a transverse impact generator. A battery pack is installed on an inclined table with the inclination angle capable of being adjusted, the inclined table is installed on a sliding table capable of moving in the horizontal direction relative to a falling table, an impact executing piece is arranged at the bottom of the sliding table, and an impact triggering piece is arranged on a base. When the falling table drives the sliding table, the inclined table and the battery pack to freely fall to a preset position, the impact executing piece collides with the impact triggering piece, the sliding table generates instantaneous impact relative to the falling table in the horizontal direction, and therefore horizontal impact generated when the battery pack falls at different angles is simulated. The problem that an existing battery impact testing device cannot simulate impact force in the horizontal direction when the battery freely falls is solved.