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437 results about "Impact testing" patented technology

Impact resistance test device and method for energy-absorbing anti-collision structural member

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.
Owner:ANHUI JIUSHI TECHNOLOGY CO LTD

Accumulator plate strength test system

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.
Owner:SICHUAN FARADAY ELECTRONIC TECH CO LTD

Repeated impact test device for multiple impact tests and loading waveform control method

According to the repeated impact test device for multiple impact tests and the loading waveform control method, a special-shaped impact rod is adopted to replace a traditional cylindrical impact rod, the end, making contact with the impact rod, of an incident rod is designed into a cone, and the diameter of the end face of the incident rod with the special-shaped end is consistent with that of the end face of the special-shaped impact rod; aiming at the requirements of the tested material and structure on the loading waveform, the waveform with different forms and different rising edges can be realized by designing the cone angle and the shape of a cone or designing a complex curve profile, a multi-segment cone and the like, and the accurate control of the loading waveform is realized; according to the automatic multi-impact test device based on the split Hopkinson pressure bar, the defect that disposable accessories need to be replaced in a traditional waveform shaping control method can be overcome, it is guaranteed that the waveform meets the test requirement during impact loading every time, the amplitude is constant, the waveform is consistent, stable and reliable, the test precision and efficiency are improved, and the test cost is reduced. The device can be applied to automatic multiple impact tests based on the split Hopkinson pressure bar.
Owner:XIAN MODERN CONTROL TECH RES INST

Multifunctional integrated box body for aero-engine blade sandstone high-speed impact experiment

The invention belongs to the technical field of aero-engine blade impact testing, and particularly relates to a multifunctional integrated box for aero-engine blade sandstone high-speed impact experiments. According to the technical scheme, the multifunctional integrated box body for the aero-engine blade sandstone high-speed impact experiment comprises a main box body, an integrated ammunition removing device, a heating module, a laser speed measuring device, a target box, a nitrogen conveying module and an observation device, and the integrated ammunition removing device is arranged on the upper right portion of the main box body; the heating module is arranged at the right lower part of the main box body, the target box is arranged at the left upper part of the main box body, and the nitrogen conveying module is arranged at the left lower part of the main box body; the laser speed measuring device is arranged between the integrated bullet removing device and the target box, and the observation device is arranged above the integrated bullet removing device. According to the invention, reasonable integration of all experimental functions is realized through modular design, and the aspects of structure optimization, space saving, operation efficiency, safety performance and environment control are remarkably improved.
Owner:TAIHANG LABORATORY LIAONING RESEARCH CENTER +1

A wheel hub bearing device and an impact testing machine

The present application relates to the technical field of wheel hub detection, and discloses a wheel hub bearing device and an impact testing machine, the rotation of the first angle adjusting plate is controlled by the hydraulic cylinder, the angle is adjusted with the rotating column as the shaft, the arc-shaped seat and the concave arc surface of the bearing table always keep the state of close contact, which ensures that the impact force generated by the drop hammer mechanism impacting the wheel hub is offset by the bearing table at any angle of the first angle adjusting plate within the preset range, so that the angle control of the first angle adjusting plate will not produce adjustment error due to multiple impact tests, and the bearing table effectively offsets the impact force of the drop hammer mechanism by lifting the arc-shaped seat, avoiding loosening of the triangular structure due to frequent impact. The existing bearing device of the wheel hub outer edge inclined impact testing machine is prone to loosening of the triangular structure composed of the bottom plate, the angle adjusting plate and the hydraulic cylinder during frequent impact tests, which leads to the decline of the inclination angle adjustment precision of the angle adjusting plate and the failure of the hydraulic cylinder, affecting the accuracy of the test and the reliability of the equipment.
Owner:LIZIDA (XUZHOU) INTELLIGENT EQUIP CO LTD

Metal material impact testing machine

The utility model relates to a metal material impact testing machine which comprises a testing machine main body and a pendulum bob rotationally arranged on the testing machine main body, a base is arranged on the testing machine main body, and a placing table is arranged on the base; the jaw seats are arranged on the two sides of the placement table in a sliding manner; the two-way screw rod is rotationally arranged in the placing table, and the position between the jaw seats is adjusted through the two-way screw rod; by introducing the jaw seat arranged in a sliding mode and a bidirectional lead screw adjusting mechanism, flexible placement of metal materials of different sizes is achieved, the universality and adaptability of the testing machine are remarkably improved, meanwhile, due to the innovative design of the centering strip, through the combination of a notch in the cross rod and a rotating opening in the centering strip, the metal materials of different sizes can be conveniently and rapidly placed, and the testing efficiency is improved. Through flexible rotation of the centering strip in the range of 0-90 degrees, a user is allowed to easily align the centering strip with a preset notch in a sample, so that accurate centering of the sample in an impact test is ensured.
Owner:SHANGHAI ZHONGYAN INSTR MFG CO LTD

Device for testing dynamic bearing capacity of anchor rod based on Hopkinson pressure bar

The utility model belongs to the technical field of anchor rod testing devices, and discloses an anchor rod dynamic bearing capacity testing device based on a Hopkinson pressure bar. According to the anchor rod dynamic bearing capacity testing device based on the Hopkinson pressure bar, the telescopic end of the hydraulic jack extends out relative to the fixed end to apply pre-tightening force to the to-be-tested anchor rod, the pre-tightening force of the to-be-tested anchor rod is monitored through the anchor rod pre-tightening force measuring device, the pre-tightening force is accurately applied to the to-be-tested anchor rod, and operation is convenient; a bullet is launched to the end face of the incident rod through the launcher, the dynamic load impact of the bullet on the incident rod is transmitted to the to-be-tested anchor rod through the force transmission frame, the dynamic load impact is applied to the to-be-tested anchor rod, and the dynamic bearing capacity of the anchor rod is tested; in the process, the actual working condition of the anchor rod support is accurately simulated, the speed of the bullet is monitored through the speed acquisition instrument, and the strain data of the anchor rod to be tested are acquired through the strain acquisition instrument, so that the dynamic bearing capacity parameters of the anchor rod are accurately tested.
Owner:山东能源集团鲁西矿业有限公司 +1

Mechanical lifting appliance for drop hammer impact testing machine

The utility model relates to the technical field of drop hammer impact testing machines, and discloses a mechanical lifting appliance for a drop hammer impact testing machine, which comprises a base, a support frame and a storage table. Through the arrangement of the base, the supporting frame, the storage table, the vertical rod, the testing mechanism, the hoisting mechanism, the winding mechanism, the driving mechanism and the mounting structure, firstly, a sample is placed on the storage table, the driving mechanism drives the winding wheel to rotate, the twisted rope drives the mounting frame to move upwards, the testing head moves to a designated position, and the hoisting mechanism is opened; and the test head is replaced through the mounting structure, so that the problems that in the prior art, the test head of a traditional drop hammer impact testing machine cannot be quickly replaced, the connection between a lifting appliance and a test mechanism is relatively complicated, the lifting appliance and the test mechanism cannot be quickly separated in the test process, and the test efficiency is low are solved. And the test efficiency is reduced.
Owner:湖南湘力检测有限公司

Methods and apparatus for artificial bird manufacturing in impact testing

Methods and apparatus for artificial bird manufacturing in impact testing is described herein. An apparatus to generate an artificial bird for impact testing includes a mold generator to form a mold based on a bird class identification, a mold filler to fill the mold with a first layer of crushed ice and a second layer of crushed ice, a compressor to compress an ice surface of at least one of the first layer or the second layer of the crushed ice to form indentations on the ice surface, and a freezer to re-freeze the crushed ice layers inside the mold to form an artificial bird.
Owner:GENERAL ELECTRIC CO

A dart impact testing machine for measuring material properties

ActiveCN224286584Uachieve initial fixationAvoid affecting the experimental structureStrength propertiesMachineScrew thread
This utility model discloses a dart impact testing machine for measuring material properties, comprising: a base with a mounting groove on its surface, a negative pressure chassis slidably inserted into the inner wall of the mounting groove, a mounting unit for limiting the position of the negative pressure chassis on the inner wall of the mounting groove, a negative pressure groove on the top of the negative pressure chassis, a pressure plate above the negative pressure chassis, a negative pressure unit, and a first driving unit, wherein the negative pressure unit applies negative pressure to the inside of the negative pressure groove. In this utility model, by creating a lifting groove on the surface of the base, and with a lifting block slidably inserted into the inner wall of the lifting groove, during use, the user rotates a threaded rod, which drives the lifting block, threaded onto the surface of the threaded rod, to slide along the inner wall of the lifting groove, thereby controlling the height of the impact dart and thus controlling the impact force.
Owner:SICHUAN XIKE OPTOELECTRONIC TECH CO LTD

A power impact test system for new energy vehicles

The application belongs to the technical field of battery accessory testing, and particularly relates to a power impact testing system for new energy vehicles, which comprises a bottom plate, a fixing mechanism for fixing the position of a power supply is arranged on the upper surface of the bottom plate, two supporting plates are fixedly connected to the bottom plate, a guide groove is arranged in the supporting plate, a top plate is fixedly connected to the two supporting plates, a hydraulic cylinder is fixedly installed on the top plate, a driving pressing plate is fixedly connected to the output end of the hydraulic cylinder, and a sliding block is slidably connected to the guide groove. The impact force of an impact head on the power supply can be changed by adjusting the hydraulic pressure of the hydraulic cylinder, the value of the impact force can be accurately measured and read by a pressure measuring plate, the power supply is limited and fixed by the fixing mechanism, so that the power supply is prevented from shaking and deviating when being impacted by the impact head, and the power supply surface can be sprayed with fire extinguishing agent by the fire extinguishing mechanism, so that the power supply is prevented from being deformed and damaged due to fire.
Owner:SHENZHEN RUIZHI NEW ENERGY AUTOMOBILE TECH CO LTD

Impact test and simulation imaging method and system for underground vibration

The invention relates to the technical field of computer simulation, in particular to an impact test and simulation imaging method and system for underground vibration, and the method comprises the steps: obtaining an underground test and imaging judgment coefficient according to the combination of an obtained target requirement specific type and a test index with an underground vibration simulation model; threshold value division is carried out based on underground testing and imaging judgment coefficients, truth degree grades are set according to the divided threshold values, and the data truth degree is analyzed; and optimizing the analyzed underground operation information data according to the grading result, marking data with large grade difference, converting the optimized vibration data and simulation result into a visual image, and feeding back and interpreting the visual image. According to the method, the accuracy and the reliability of data are improved, more valuable reference information is provided for underground operation, the safety and the efficiency of the underground operation are improved, potential risks are reduced, and a reliable basis is provided for subsequent decision and analysis.
Owner:CHINA NAT PETROLEUM CORP +1

Impact testing machine

The utility model relates to the field of test equipment, and discloses an impact testing machine, which comprises a frame body, a data reading assembly, a pendulum bob assembly, a limiting assembly and an alignment piece, a limiting groove is arranged in the limiting assembly along a first direction, a limiting step is formed in the limiting assembly along a second direction, and a test piece is arranged on the limiting step along the second direction. One side of the test piece abuts against the limiting step, and the test piece stretches across the limiting groove; the alignment piece is movably connected with the limiting assembly to form an alignment state and an impact state of the alignment piece; in the alignment state, the limiting assembly is located outside the limiting groove, the alignment piece is arranged above the limiting assembly in the second direction, the alignment piece stretches across the limiting groove, and the alignment piece is used for calibrating the position of the test piece; in the impact state, the alignment piece is arranged on one side of the limiting groove, and it is avoided that swinging of the pendulum bob assembly in the limiting groove is affected. According to the impact testing machine, the alignment piece is movably connected with the limiting assembly, and the alignment piece does not affect an impact test.
Owner:NINGBO TIANHUI AUTO PARTS CO LTD

Dummy lumbar vertebra gap adjusting device

PendingCN121275354AVehicle testingPhysical medicine and rehabilitationIntervertebral spaces
The invention relates to the technical field of testing, in particular to a dummy lumbar vertebra gap adjusting device which comprises a concave plate, the upper edge and the lower edge of the front surface of the concave plate are jointly and fixedly connected with a soft plate, a distance adjusting mechanism is arranged behind the soft plate, and one side edge of the concave plate is fixedly connected with a side block. Two rotating plates are rotatably connected to the surface of one side of the side block through a locking mechanism, a sliding plate is connected to the front end of each rotating plate through a telescopic mechanism, and an L-shaped strip is rotatably connected to the side, close to the concave plate, of each sliding plate through a reset mechanism. And meanwhile, the bending degree of the waist of the dummy is adjusted, so that a standardized impact test can be assisted.
Owner:NANJING LONGDE BIOTECHNOLOGY CO LTD

Gypsum board impact resistance tester

The utility model discloses a gypsum board impact resistance tester, which belongs to the technical field of building material test devices and comprises a base, a workbench is fixedly mounted at the top end of the base, a steel frame is fixedly mounted on one side of the workbench at the top end of the base, and linear guide rails are fixedly mounted on two sides of the steel frame. Linear bearing sliding blocks are slidably connected to the sliding ends of the linear guide rails, connecting blocks are fixedly installed on one sides of the two linear bearing sliding blocks, a lifting platform is fixedly installed on one sides of the two connecting blocks, and a magnetic attraction block is fixedly installed on one side of the lifting platform and located in the middle of the steel frame and located on the top of the steel frame; a magnetic attraction seat matched with the magnetic attraction block is fixedly mounted at the top of the steel frame; the positioning precision of a gypsum board impact resistance test is remarkably improved, the influence of human factors is reduced, the accuracy of hitting the intersection of two diagonal lines on the surface of a test piece under the condition of a rectangular test piece is improved, and the steel ball can accurately and freely fall to the centroid position of the surface of the test piece in each test.
Owner:BEIJING ZIHENGXUAN CONSTR ENG INSPECTION CO LTD

Impact resistance testing equipment and method for glass for photovoltaic module

The invention discloses a glass impact resistance testing device and method for a photovoltaic module, and the glass impact resistance testing device for the photovoltaic module comprises a testing box, a fixed frame, two pairs of clamping plates, an impact mechanism and a strength enhancing mechanism. The bottom of the test box is provided with a gliding cavity. The impact mechanism is installed on one side of the test box and comprises an installation frame, an impact rod, an impact head, a first spring, a pushing assembly and a clamping block assembly. The mounting rack is fixed on one side of the test box, and a first transverse plate and a second transverse plate are fixed in the mounting rack. Fixing sleeves are fixed to the first transverse plate and the second transverse plate, the impact rod slides on the pair of fixing sleeves, and an installation head is arranged at the end, close to the test box, of the impact rod. The impact head is installed on the installation head, and a pushing disc is fixed to the portion, between the first transverse plate and the second transverse plate, of the impact rod. Through related structural design, the problem of deviation of impact points is effectively reduced, so that the accuracy of impact test data is improved.
Owner:ZHONGRUN SOLAR TECH (XUZHOU) CO LTD

Rubber tensile testing device

The invention discloses a rubber tensile testing device, and belongs to the technical field of rubber testing. The device mainly comprises a base, the base is provided with a test assembly and an impact assembly, the impact assembly comprises a top column, the top column is installed on the top of the base, a base plate is installed on the top of the top column, a stepping motor is installed on the base plate, an electric chuck is installed at the output end of the stepping motor, and a bearing seat is installed on the base plate. A rotating rod is mounted on the bearing seat through a bearing, a rocker is mounted at one end of the rotating rod, a connecting block is mounted at the other end of the rocker, an impact block is detachably mounted on the connecting block, a mounting frame is mounted on the base plate, a supporting rod is mounted on the mounting frame, and a clamping jaw is arranged on the supporting rod. According to the rubber tensile testing device disclosed by the invention, through the arrangement of the impact assembly, the data of the rubber conveying belt for transportation in mines, industries and the like when the rubber conveying belt is impacted by a heavy object during tightening can be acquired, so that the performance of rubber can be better evaluated, and the effect of continuously carrying out impact testing when the rubber is tightened is achieved.
Owner:CHANGZHOU DEYING MOLDING CO LTD

Slope impact testing machine

The utility model provides a slope impact testing machine. The slope impact testing machine is characterized in that a base is arranged on one side of the bottom of an impact table; the first bearing seat is connected to the top end of the side, away from the impact table, of the base through bolts. The impact track frame is arranged over the base, second bearing seats are clamped on the front side and the rear side, close to the impact table, of the impact track frame, the bottoms of the second bearing seats are connected with the impact table, a lifting module is arranged in the center of the side, close to the impact table, of the impact track frame, and the bottom of the lifting module is clamped in the center of the first bearing seat; the loading trolley is arranged at the top of the impact track frame; the center of the trolley positioning and stopping module is arranged at the bottom of the loading trolley, and the left side and the right side of the trolley positioning and stopping module are arranged on the left side and the right side of the bottom of the impact track frame. Technicians judge whether the package design is qualified or not by judging whether the outer package of the household appliance has large deformation and fracture or not.
Owner:WUXI HAOPING TECH CO LTD

A drop hammer impact testing device for anchor bolts or anchor cables

ActiveCN224435949Uavoid shear failureEliminate shakingArchitectural engineeringRock bolt
A drop hammer impact testing device for anchor bolts or anchor cables includes a lifting mechanism, a main frame, a hammer-grabbing device, a guide structure, a connecting structure, an impact force transmission mechanism, a hammer body, and a lifting rod. The main frame has a top plate at its top and a bottom plate at its bottom. The guide structure is located within the main frame, and the lifting mechanism is located on the upper surface of the top plate. The output end of the lifting mechanism is connected to the hammer-grabbing device, and the hammer body is located at the bottom of the hammer-grabbing device. Both the hammer-grabbing device and the hammer body are slidably fitted with the guide structure. This drop hammer impact testing device for anchor bolts or anchor cables solves the problem that the testing of anchor bolt or anchor cable support materials in related technologies focuses on static load testing, resulting in a lack of means to test the quality of anchor bolt or anchor cable support materials under impact loads.
Owner:JENNMAR(TIANJIN) MINE GROUND CONTROL TECH CO LTD

An impact testing apparatus for strength detection of building boards

This invention belongs to the field of building material strength testing technology, specifically an impact testing device for testing the strength of building materials. It includes a test bench with two guide rods fixedly connected to one side of its upper surface. A counterweight box is slidably connected to both guide rods. An electronic scale is installed at the bottom of the counterweight box's inner cavity. A connecting frame is fixedly connected to one side of the bottom of the counterweight box, and a pressure sensor is installed on one side of the bottom of the connecting frame. This invention utilizes an auxiliary observation component for dent observation. After the impact test, pigment can be applied to the surface of the material using a sponge roller. Furthermore, only the flat areas of the material will adhere to the pigment, while the dented areas will not adhere because they cannot contact the sponge roller. The contrast between the flat and dented areas of the material, created by the pigment, makes it easier for personnel to observe the location and extent of the dents, thereby improving the accuracy of the strength assessment of the material.
Owner:SHANDONG HENGTAIXIN TESTING TECH CO LTD

Fault diagnosis method, device and equipment of micro-impact test bench and storage medium

PendingCN122262802AImprove the accuracy of fault identificationBiological modelsTime domainFeature vector
The application discloses a kind of micro-impact test bench fault diagnosis method, device, equipment and storage medium, belong to equipment state monitoring technical field;Method includes obtaining the multi-source monitoring data of micro-impact test bench;Extract the time-domain statistical characteristics and frequency-domain statistical characteristics of each kind of monitoring data, and the fusion of each statistical characteristics extracted, form the feature vector representing the health state of micro-impact test bench;The feature vector is input into the diagnosis model trained in advance, to obtain the fault information of micro-impact test bench output by the diagnosis model. Through the multi-source monitoring data such as electrical data, mechanical component mechanical response data and motion data when impact occurs of micro-impact test bench, based on the information complementarity between the multi-source monitoring data, more comprehensive master equipment operating state, solve the problem that existing micro-impact test bench fault diagnosis accuracy is low.
Owner:CHINA ORDNANCE EQUIP GRP AUTOMATION RES INST CO LTD

Optical glass impact testing device

PendingCN122361154ASlide plateOptical glass
This invention discloses an optical glass impact testing device, specifically relating to the field of impact resistance testing technology. It includes a base, on which an impact testing assembly is mounted. The impact testing assembly includes a support frame mounted on top of the base, a slide plate slidably connected to the support frame, a protective shell bolted to the bottom of the slide plate, and a turntable rotatably connected to the bottom of the protective shell. Several traction rods are hinged to the outer side of the turntable. This invention allows the turntable to rotate by adjusting a lever, which in turn causes the traction rods to move the limiting sleeve and impact rods to adjust their positions. This enables adjustment of the impact position of the impact rods and the force sensor, facilitating the concentration of impacts in one area or the diffusion of impacts to different locations on the glass, thus achieving versatility in impact performance testing.
Owner:ZIYANG BOXIANG TECH CO LTD

Paint film impact testing device

The utility model discloses a paint film impact testing device, which comprises a base, a lifting assembly and a first driving assembly, the base comprises an upper seat and a lower seat which are connected through a supporting upright post, a placing part for placing a workpiece to be tested is formed between the upper seat and the lower seat, a tube body with scales is arranged at the top of the upper seat, a heavy hammer is arranged in the tube body, and the heavy hammer is connected with the lifting assembly. A clamping groove is formed in the heavy hammer; the lifting assembly comprises a lifting seat and a lifting claw mounted in the lifting seat; the first driving assembly is used for driving the lifting assembly to descend so that after the lifting claw can stretch into the clamping groove, when the first driving assembly drives the lifting base to ascend, the heavy hammer can be driven to ascend. Therefore, by arranging the lifting assembly and the first driving assembly, automatic operation is achieved, the heavy hammer is automatically lifted to the target height by driving the lifting base to ascend, manual intervention is not needed, the operation process is simplified, instability caused by manual participation is reduced, and the testing efficiency and the accuracy of the testing result are remarkably improved.
Owner:HESHAN CLIVIA COATING CO LTD

Test method, device, electronic device and storage medium for cryogenic pump

This invention discloses a testing method, apparatus, electronic device, and storage medium for cryogenic pumps, relating to the technical fields of vacuum technology and vacuum pump performance testing. The testing method includes: acquiring a first pressure in a first filling chamber and determining a gas distribution mode based on the first pressure; after completing gas distribution based on the gas distribution mode, initiating an impact test to introduce gas into the cryogenic pump; acquiring temperature test data of the cryogenic pump and determining the validity of the current test based on the temperature test data. This invention's cryogenic pump testing method makes the gas distribution process more precise through multiple gas distribution modes, and determines the validity of the test data through the temperature test data from the impact test. This transforms the cryogenic pump's pass-through capacity parameter from an experience-dependent process check into a highly reliable, efficient, and reproducible standardized measurement process.
Owner:聚变新能(安徽)有限公司 +1

A device for impact testing of a control arm of a vehicle

The application discloses a kind of automobile control arm impact test device of automobile parts detection technical field, including base, impact hammer and the limiting rod of fixed connection in the left and right sides of base top, the left and right sides of impact hammer are all provided with support group;When the impact hammer is rebounded when being impacted, the support piece will be raised with the impact hammer relative to the cross bar and wedge block, and the wedge block will keep in contact with the support piece and move towards the direction close to the impact hammer at this time, until the impact hammer and the support piece descend, the wedge block will directly limit the descending direction of the support piece and the impact hammer at any height, so that the impact hammer cannot descend to ensure that the impact hammer will not rebound, and when resetting the support piece and the impact hammer to facilitate the impact test, the lock of the impact hammer can be released at the same time, and then the replacement and placement of the impact hammer are facilitated.
Owner:ZHEJIANG DEMEI SUSPENSION TECHNOLOGY CO LTD

Steel pipe anti-collision test device for new energy vehicle lithium battery shell

The utility model relates to the field of collision test devices, in particular to a steel pipe anti-collision test device for a new energy vehicle lithium battery shell, which comprises a T-shaped base, a vertical column, a steel pipe fixing frame, a top frame, a collision mechanism and a control console, a stand column playing a supporting role is arranged at the rear end of the T-shaped base, a top frame is arranged at the front end of the top of the stand column, an impacting mechanism used for impacting a steel pipe is arranged at the lower end of the top frame and comprises six sets of impacting push rods, and impacting push blocks are fixedly installed at the lower ends of every two sets of impacting push rods. The lower ends of the three groups of impact push blocks are respectively provided with impact tool bits with different shapes, the front end of the top frame is provided with a console for controlling the testing device, and two groups of steel pipe fixing frames for fixing steel pipes are symmetrically arranged below the impact mechanism; the circuit of the impact mechanism is controlled by the console to be switched on, so that the six groups of impact push rods respectively push the three groups of impact push blocks to press and impact a steel pipe, and the three groups of impact push blocks push the impact tool bits with different angles and radians to impact the steel pipe.
Owner:JIANGYIN HONGLI ENG MACHINERY CO LTD

Temperature control device suitable for ultra-fast cold and hot impact test box

The utility model discloses a temperature control device suitable for an ultra-fast cold and hot impact test box, and relates to the technical field of impact test boxes. Comprising a sleeve, and one side of the top of the sleeve fixedly communicates with an air inlet pipe; a vertical pipe is fixed on one side of the sleeve, and a plurality of vent holes are formed in a pipe body of the vertical pipe positioned in the sleeve; a supporting plate is fixed in the vertical pipe, and a plurality of air inlets are formed in a plate body of the supporting plate. When the cold and hot impact testing device is used, a material to be tested is placed in the cold and hot impact testing box and is positioned at the bottom of the temperature control device, the controller controls the heating wire to heat, outside air enters the sleeve through the air inlet pipe by virtue of air flow which is refrigerated by the compressor through the air pump, and then enters the vertical pipe through the vent hole; after the heating wire heats outside air, the outside air is directly discharged through the first air outlet hole so as to be in contact with the to-be-tested material, due to control over cold and hot air flows, the to-be-tested material is cooled and heated at ultra-fast speed, and the experiment efficiency is improved.
Owner:GUANGDONG YICUN INTELLIGENT EQUIP CO LTD

An in-situ battery separator impact testing device for impact process visualization

The application relates to an in-situ battery diaphragm impact testing device for impact process visualization, and belongs to the technical field of impact testing. The device comprises an electromagnetic ballistic acceleration mechanism, an impact clamp mechanism, a high-speed camera, an oscilloscope and a plurality of projectiles; the electromagnetic ballistic acceleration mechanism is a coil acceleration gun or a high-voltage electromagnetic gun; the impact clamp mechanism comprises an upper electrolytic tank, a lower electrolytic tank and a pair of clamping pipes; the upper electrolytic tank and the lower electrolytic tank are both made of transparent materials and are both provided with electrolyte; the positive and negative electrodes of the oscilloscope are respectively connected with the electrolyte in the upper electrolytic tank and the electrolyte in the lower electrolytic tank through wires; and the high-speed camera is arranged on one side of the impact clamp mechanism. During impact testing, the impact testing device is arranged in a glove box; the measured battery diaphragm is clamped between the pair of clamping pipes, the projectile is shot into the upper electrolytic tank from the ballistic gun chamber and penetrates the measured battery diaphragm to enter the lower electrolytic tank; the high-speed camera records the impact process; and the oscilloscope records the battery voltage change in the impact process.
Owner:UNIV OF SCI & TECH OF CHINA

Impact test device for water chamber of automobile radiator

The utility model discloses an automobile radiator water chamber impact test device, which relates to the technical field of water chamber impact tests and comprises a mounting base, a side frame fixedly mounted at the top of the mounting base, an impact tester fixedly mounted on one side of the side frame, a support rod fixedly mounted at the top of the mounting base, and a ray lamp fixedly mounted on one side of the support rod. The beneficial effects of the utility model are that the test water chamber is placed at the top of the simulation radiator, and a worker screws the connecting bolt to penetrate through the partition plate to connect the test water chamber with the simulation radiator, so that the installation condition of the radiator can be simulated according to the condition, and after the connection is completed, the test water chamber can be connected with the simulation radiator. The impact testing machine is started to drive the impact hammer to move, impact is performed on the testing water chamber, impact work is completed, impact data are collected according to the data collection box arranged on the outer side, the impact condition when the testing water chamber and the simulation radiator are installed can be better simulated, and practicability is improved.
Owner:TAIAN RUNTONG MASCH CO LTD