Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

50 results about "Shock test" patented technology

A multi-plate friction clutch anti-shock test device

The utility model relates to a kind of multi-plate friction clutch impact test device, the utility model aims at providing a kind of multi-plate friction clutch impact test device, for solving the problem of above-mentioned friction clutch impact test, multi-plate friction clutch is installed in clutch box, four laser emission assemblies are respectively arranged in front, rear, left side and right side of clutch box, laser emission assembly is set towards clutch box, first pinion is fixedly installed on the input shaft of multi-plate friction clutch, two impact components are fixedly connected with the input shaft of multi-plate friction clutch, first driver is fixedly connected with first gear wheel, the output shaft of multi-plate friction clutch is fixedly connected with another two impact components, second pinion is fixedly installed on the output shaft of multi-plate friction clutch, second driver is fixedly connected with second gear wheel.The utility model belongs to the field of friction clutch impact test.
Owner:NO 703 RES INST OF CHINA SHIPBUILDING IND CORP

Self-priming pump body and pressure resistance testing machine therefor

A self-priming pump body and a pressure resistance testing machine therefor. The self-priming pump body comprises a base, a drive electric motor being fixed on the base, a shell being fixed on the base, a drive cover being fixed on one side of the shell, a transmission rod being rotatably arranged in the drive cover, the output end of the drive electric motor being connected to an impeller in the shell by means of the transmission rod, a water inlet being fixed on one side of the shell, and a water outlet being fixed on the shell. The pressure resistance testing machine comprises a machine table, a material-conveying table being fixed on the machine table, two testing tables being fixed on one side of the material-conveying table, material conveying rollers being rotatably arranged in an array on the material-conveying table, two material discharge ports being provided on one side of the material-conveying table, a first cylinder being fixed on one end of each test table, and a circular plate being fixedly arranged at an output end of each first cylinder. In the present invention, the interior of a self-priming pump is tested by means of a first testing piece, which can simulate the impact of impurities in conveyed liquid on the interior of the self-priming pump body; and the exterior of the self-priming pump is tested by means of a second testing piece, which tests the compressive strength of the self-priming pump body, thereby achieving a high test accuracy.
Owner:YUEHU PUMP TECHNOLOGY CO LTD

A shock test bench for automobile drive shaft

This utility model belongs to the technical field of drive shaft impact testing benches, specifically an automotive drive shaft impact testing bench, including a body and a base at its upper end. A sliding seat and a fixed seat are respectively installed at both ends of the base. A rotating seat is installed inside the fixed seat, and a transfer ball is fixed to the front end of the rotating seat. A three-jaw chuck is installed inside the front end of the fixed seat via the transfer ball. A ring frame is slidably installed inside the fixed seat, located outside the three-jaw chuck. A conical platform is fixed to the inner side of the front end of the ring frame. This utility model allows drive shafts to be installed in an inclined state, making it easier for a single person to operate long and heavy drive shafts. It also simulates different bumpy conditions during vehicle operation, making the test results closer to reality.
Owner:ANHUI HUICE TESTING TECH CO LTD

Cable branch box and production test equipment thereof

The invention relates to the technical field of cable branch boxes, in particular to a cable branch box and production test equipment thereof.The cable branch box comprises a cabinet body, a hole channel communicated with an inner cavity of the cabinet body is formed in the bottom end of the cabinet body, and a base plate is fixedly arranged on the peripheral side face of the cabinet body and can be matched with special test equipment for diversified detection; the production test equipment comprises a rack, an intermittent impact mechanism and a lifting transposition mechanism are installed at the two ends of the rack respectively, a linkage assembly is installed at the bottom of the rack, the intermittent impact mechanism is composed of a rotation part and an impact part, and the linkage assembly is used for driving the rotation part and the lifting transposition mechanism to rotate periodically. According to the cabinet body impact test device, impact tests can be sequentially carried out on four side surfaces of the cabinet body at different heights, and the change of the pressure state in the cabinet body can be controlled according to the change of the descending height, so that impact tests can be sequentially carried out on the cabinet body under the conditions of normal pressure, high pressure and negative pressure, the purpose of one machine with multiple purposes is achieved, and the applicability of the equipment is improved.
Owner:HEDIAN ELECTRIC CO LTD

Air gun shock test apparatus

A test assembly and method for performing a shock test of an article includes a pneumatic gun assembly, a Hopkinson bar assembly, a magnetic catch, and a support assembly. The support assembly suspends the article in alignment with the magnetic catch. The magnetic catch retains the article against the Hopkinson bar assembly. The pneumatic gun assembly includes a striker for propagating a shock through the Hopkinson bar assembly into the article.
Owner:RAYTHEON CO

Cold and hot impact test box with operation screen protection structure

The utility model discloses a cold and hot shock test box with an operation screen protection structure, which comprises a test box, a low-temperature box and a high-temperature box are arranged on the inner wall of the test box, the low-temperature box is communicated with the high-temperature box, a lifting frame is jointly arranged in the inner cavity of the high-temperature box and the inner cavity of the low-temperature box, a touch screen is arranged on the surface of the test box, and the touch screen is connected with the operation screen protection structure. And a carrier block is fixedly mounted on the surface of the test box through a bolt. According to the touch screen protection device, the clamping block is shifted to be separated from the second gear, the protection curtain is held and pulled to be unwound at the moment, then the protection curtain drives the rotating rod and the second shaft rod to rotate, the second shaft rod drives the second gear and the first shaft rod to rotate through the first gear, then the first shaft rod drives the coil spring to deform, and meanwhile the protection curtain shields the outer side of the touch screen; therefore, the electronic touch screen on the surface of the test box body can be shielded and protected, the situation that the electronic touch screen is damaged due to collision of foreign objects is avoided, and the purpose of protecting the electronic touch screen is improved.
Owner:ANHUI JINGGU ZHOUJIE MICROELECTRONICS CO LTD

Plate-type fuel assembly anti-seismic test bench and method

The embodiment of the invention provides a plate-type fuel assembly anti-seismic test bench and method, and relates to the technical field of nuclear reactor safety tests. The invention aims to solve the problems that a plate-type fuel assembly test device is easy to cause distortion of measured data due to self-vibration interference under earthquake excitation and cannot provide an effective verification reference for a numerical model. According to the plate type fuel assembly anti-seismic test bed, through the design of the main body structure of the bottom plate and the water tank, the first-order inherent frequency of the test bed in the no-load state and the full-load state is larger than 60 Hz, and the transverse static rigidity of the test bed is larger than 20 kN / mm. The plate-type fuel assembly anti-seismic test method is implemented by adopting the rack. The test bench has inherent frequency which is far higher than the frequency of a tested piece and the frequency of earthquake excitation, and enough static rigidity and dynamic rigidity, thereby fundamentally eliminating the interference of the vibration of the bench itself on the result of an anti-seismic test, and ensuring the accuracy and reliability of measured data.
Owner:SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE CO LTD

Hanging basket connecting structure for cold and hot impact test box

The utility model discloses a hanging basket connecting structure for a hot and cold shock test box, which comprises a test box body, a hot chamber and a cold chamber are arranged in an inner cavity of the test box body, the inner wall of the test box body is fixedly connected with a lifting cylinder through a bolt, the inner cavity of the hot chamber and the inner cavity of the cold chamber are jointly provided with a hanging basket frame, and the lifting cylinder is fixedly connected with the lifting cylinder through a bolt. And the top of the hanging basket frame is fixedly connected with a cylindrical box. The sliding rod is pressed to drive the cylindrical block to move backwards, meanwhile, the sliding rod drives the spring to be compressed through the circular plate, then the hanging basket frame is arranged on the surface of the lifting air cylinder in a sleeving mode, the L-shaped plate penetrates to the position above the hanging basket frame at the moment, then the sliding rod is loosened, and resilience force of the spring drives the cylindrical block to enter an inner cavity of the circular hole through the circular plate and the sliding rod. And then the L-shaped plate and the hanging basket frame are locked, so that the hanging basket and the lifting air cylinder can be quickly disassembled and assembled, the hanging basket can be conveniently maintained and replaced subsequently, and the purpose of improving the convenience of subsequent use and maintenance is achieved.
Owner:ANHUI JINGGU ZHOUJIE MICROELECTRONICS CO LTD

Distributed underwater explosion impact test device

PendingCN121829959AShock testingStrength propertiesUnderwater explosionDetonation
The invention relates to a distributed underwater explosion impact test device. The device comprises a water tank, a distributed mounting rack, a detonation assembly, a sample fixing assembly and a counterweight assembly, the distributed mounting frame is arranged in the water pool and is provided with a plurality of connecting ends which are circumferentially arranged along the central axis of the distributed mounting frame, and each connecting end can move in the direction close to or away from the central axis of the distributed mounting frame; the detonating assembly is arranged in the middle of the multiple connecting ends, and the detonating assembly is connected with the bottom of the distributed mounting frame; the sample fixing assembly is provided with a plurality of sample fixing ends for fixing samples, and the plurality of sample fixing ends are connected with the plurality of connecting ends of the distributed mounting rack; the counterweight assembly is detachably arranged on the distributed mounting frame; compared with a traditional single-station and multi-time detonation test mode, the explosion pool starting frequency and explosive consumption are remarkably reduced, the test efficiency is improved, and the comprehensive test cost is reduced.
Owner:WUHAN UNIV OF TECH

Impact test device for thermal management system of automobile seat

The utility model provides an impact test device for a thermal management system of an automobile seat, relates to the field of vehicle equipment, and solves the problem that the impact test of a seat body and a backrest needs two pieces of equipment and the test efficiency is low. The device comprises a guide seat, a driving mechanism, an arm beam, a falling table assembly, a swing frame, a first weight and a second weight assembly, the arm beam is movably arranged on the guide seat, and the driving mechanism is in transmission connection with the arm beam and used for driving the arm beam to reciprocate in the vertical direction of the guide seat; the object falling table assembly is fixed at one end of the arm beam, the object falling table assembly can support the first weight and can release the first weight, and the first weight is used for impacting the first to-be-tested part; the swing frame is fixed at the other end of the arm beam, the swing frame can fix or release the second weight assembly, and the second weight assembly can swing and impact the other part to be tested after being released; the defect that the seat body and the backrest need two devices in the impact test can be overcome, the occupied area is reduced, the test efficiency is improved, and the personnel safety is guaranteed.
Owner:CHINA MASCH (BEIJING) VEHICLE INSPECTION ENG RES INST CO LTD

High throughput bga interconnect structure shock test method and system

PendingCN122631459AHigh fluxMechanical impact
The present application relates to a kind of high flux BGA interconnection structure impact test method and system.It includes preparation at least one BGA interconnection passage containing high flux BGA test structure, high flux BGA test structure is assembled on mechanical impact test bench, and each BGA interconnection passage in high flux BGA test structure is connected with in-situ monitoring device respectively;Impact test is carried out to high flux BGA test structure using mechanical impact test bench, and the health status of BGA test body in the connected BGA interconnection passage during impact test is monitored using in-situ monitoring device;Based on the impact load state of each BGA interconnection passage during impact test and the monitoring state during impact test, the impact resistance of the BGA test body in the BGA interconnection passage is determined.The present application can carry out efficient mechanical impact reliability evaluation to BGA, and realize in-situ resistance monitoring during test process.
Owner:58TH RES INST OF CETC

Striking device

A striking device includes a striking section that strikes a test object. This striking device is characterized by having: a vertically long intermediate link that is coupled to the striking section and can move in a state of maintaining a vertical orientation; and a laterally long driving link and a driven link that is driven by the driving link, one end of each of the driving link and the driven link being rotatably coupled to the intermediate link, and the driving link and the driven link being parallel to each other, in that the other end side of each of the driving link and the driven link rotates about a rotational shaft that is provided in a perpendicular direction to a vertical line at different positions on the same vertical line.
Owner:IMPACT CO LTD(JP)

Adjustable vibration impact test fixing device

The utility model discloses an adjustable vibration impact test fixing device which comprises a base, the whole base is of a cross-shaped structure, first limiting rods with the adjustable distance are symmetrically arranged at the two ends of the top of each first limiting rod, and second limiting rods with the adjustable distance are symmetrically arranged at the two ends, perpendicular to the first limiting rods, of the top of the base. The top ends of the first limiting rod and the second limiting rod are connected with limiting plates, the limiting plates are slidably arranged on the outer sides of the first limiting rod and the second limiting rod, the two adjacent ends of the base are fixedly connected with vertical plates with length scales, and the ends of the limiting plates are slidably connected to the surfaces of the vertical plates. According to the fixing device, the distance between the limiting rods at the two corresponding ends of the base can be adjusted, and the limiting rods at the two corresponding ends are always in symmetrical positions, so that the external stable positioning of the to-be-tested part can be ensured, the to-be-tested part is positioned at the central position of the base, the subsequent accurate testing of the tested part of the part is facilitated, and the testing efficiency is improved. And the accuracy of vibration impact is ensured.
Owner:LANZHOU JIAOTONG UNIV

Impact test device for motor piezoresistor

The utility model discloses an impact test device for a motor piezoresistor, which comprises a main power supply and a first branch power supply, the first branch power supply is variable voltage, and the first branch comprises a first direct current anode branch and a first direct current cathode branch. A capacitor module is connected in parallel between the first direct current anode branch and the first direct current cathode branch, a voltage display is connected in parallel between the first branch power supply and the capacitor module, and the voltage display is used for acquiring and recording reverse voltage value changes of a piezoresistor located on the converter. The time relay is used for controlling the time interval of switching-on and switching-off of the first branch power supply; the output end A of the first direct current anode branch is connected with the input end B of the first direct current cathode branch; the number of the output end A and the input end B is respectively one, and the output end A and the input end B are respectively and electrically connected with commutator segments of the converter. The time relay outputs voltages to the commutator segments according to different discharge gaps and different voltages, and then the internal resistance of the piezoresistor is obtained.
Owner:DONGGUAN PEAK IND LIMITED

Variable temperature zone temperature shock test box and test method

The invention discloses a variable temperature zone temperature impact test box which comprises a rotating device and a plurality of box bodies placed on the rotating device, the box bodies are evenly arranged along a rotating disc of the rotating device, each box body is provided with an air opening, a high-temperature generator and a low-temperature generator are arranged on the two sides of the rotating device, and the box bodies rotate along with the rotating device. The high-temperature generator and the low-temperature generator are selectively and detachably connected with the air openings of the box body through the air pipes, so that a high-temperature-normal-temperature-low-temperature three-temperature area and / or a high-temperature-low-temperature two-temperature area can be constructed, and switching between the three-temperature area and the two-temperature area is achieved. Three-temperature-zone and two-temperature-zone cyclic tests are realized on the same temperature impact test box, and the high-temperature generator and the low-temperature generator can be selectively combined and detachably connected with the box body through the air pipes according to requirements, so that the test requirements of a complex temperature change scene of a test article are met; during testing, synchronous operation of a high-temperature area and a low-temperature area is achieved in second-temperature-area testing and third-temperature-area testing, and the load and energy consumption of equipment are greatly reduced.
Owner:WUXI PAJIE TECH CO LTD

An impact test device for manufacturing heat-insulating glass

The utility model relates to the field of impact test especially relates to a shock test device for heat insulation glass manufacturing, including support frame, both sides outer walls both ends of support frame all are established with moving groove, and support frame is located the movable connection with bidirectional screw rod at moving groove center place, both ends outer walls of bidirectional screw rod all are threaded connection with screw block, and install the support structure between screw block, and the outer wall of one end of support frame is equipped with adjusting structure, support structure includes the sliding plate of installation between screw block place outer wall, the sliding block of sliding connection in the top outer wall of sliding plate and install the support pad in the top outer wall of sliding block. The utility model bidirectional screw rod rotates and drives screw block and sliding plate to be close to each other, adjust the interval between the support pad on two sliding plates, push the sliding block and move on the sliding plate through the support pad, adjust the interval between two support pads on the sliding plate, be convenient for adjusting according to the glass size, be convenient for supporting glass.
Owner:DALIAN DEV ZONE YIHAI GLASS CO LTD

Mechanical shock test condition determination method suitable for large-size CMOS image sensor

The invention discloses a mechanical impact test condition determination method suitable for a large-size CMOS image sensor, and the method comprises the steps: analyzing the safety factor distribution of the sensor under different impact magnitudes through finite element simulation, determining a critical impact magnitude based on the criterion that the overall safety factor of a structure is greater than or equal to 1 for the first time, and further formulating a personalized test condition; the problem of excessive test caused by the fact that an existing microelectronic device test method and program standard are not suitable for the impact test of the large-size CMOS image sensor is solved, and the method has the advantages of being scientific, accurate and economical.
Owner:CHINA AEROSPACE STANDARDIZATION INST

Performance testing methods, devices, and storage media for photovoltaic cells

This application relates to a performance testing method, apparatus, and storage medium for photovoltaic cells. The testing method involves electroluminescence detection of the test sample to obtain a first electroluminescence image; multiple consecutive temperature shock tests are performed on the test sample; the temperature difference of a single temperature shock test is greater than 130°C; after multiple temperature shock tests, electroluminescence detection is performed on the test sample to obtain a second electroluminescence image; based on the first and second electroluminescence images, the temperature shock resistance of the solder joints of the cells in the test sample is evaluated; thereby accumulating equivalent damage in fewer cycles, reducing testing costs, shortening the duration of a single test, compressing the testing cycle, and improving testing feedback efficiency, which can meet the higher requirements for testing efficiency in the research and development iteration of new processes and materials.
Owner:SHANGRAO GUANGXIN DISTRICT JINKO PHOTOVOLTAIC MANUFACTURING CO LTD +1

A cold and hot shock test chamber capable of shortening temperature recovery time

PendingCN122352378ATest chamberPressure balance
The application discloses a cold and hot impact test box capable of shortening temperature recovery time, which comprises a box body, a partition plate arranged in the box body, a moving channel arranged on the partition plate, a basket assembly, a power assembly, a transmission assembly and a pressure balance assembly. The partition plate divides the box body into a cold area and a hot area. The basket assembly moves in the cold area and the hot area through the moving channel. The power assembly is used for providing power for the movement of the basket assembly. The transmission assembly is connected with the power assembly and the basket assembly and is used for transmitting the power of the power assembly to move the basket assembly in the cold area and the hot area. The pressure balance assembly is communicated with the cold area and the hot area and is used for balancing the pressure of the cold area and the hot area. The cold and hot impact test box capable of shortening temperature recovery time balances the air pressure of the cold area and the hot area through the pressure balance assembly, does not need to exchange air with the outside world, reduces the loss of energy and does not affect the performance of refrigeration.
Owner:TEMPOR INSTR (KUNSHAN) CO LTD

Rear vibration table for vibration test of frame of two-wheeled electric vehicle

The utility model provides a two-wheeled electric vehicle frame vibration test rear vibration table, which comprises a bottom plate and an end head, a fixed seat is fixedly arranged on the surface of the bottom plate, a lifting rod is movably sleeved in the top end of the fixed seat, the bottom end of the lifting rod is in transmission connection with a linkage assembly, the end head is fixedly connected with the top of the lifting rod, and a transverse shaft is rotationally connected in the end head. A limiting mechanism used for installing a frame of the two-wheeled electric vehicle is arranged on the transverse shaft, and locking assemblies are fixedly connected to the top of the end and arranged on the two sides of the limiting mechanism. The rear vibration table is used for supporting the tail of the frame of the two-wheeled electric vehicle, the high-frequency vibration of the rear vibration table is used for simulating the driving condition of the two-wheeled electric vehicle, the frame is rapidly installed through the limiting mechanism on the transverse shaft, and the two sides of the tail end of the frame are limited through the locking assemblies after installation is completed. Therefore, the problem of loosening in the vibration process is avoided, and the stability in the vibration test process is ensured.
Owner:GUANGXI LIUGANG DALING ELECTRIC VEHICLE MFG CO LTD

Front fork damping test device

The invention relates to the technical field of electric vehicle shock absorber testing, and particularly discloses a front fork shock absorption testing device which comprises a rotating mechanism, a rotating table is arranged on the rotating mechanism, the rotating mechanism is used for driving the rotating table to rotate, a first lifting groove is formed in the rotating table, and a first screw rotationally connected with the rotating table is arranged in the first lifting groove; a disc in threaded connection with the first screw is arranged in the first lifting groove, a plurality of conical openings are formed in the disc, second lifting grooves are formed in the positions, corresponding to the conical openings, of the rotary table, and slidable conical blocks are arranged in the second lifting grooves. A lifting mechanism used for driving each conical block to ascend and descend in the corresponding second lifting groove is arranged below the corresponding conical block, a fixing mechanism is arranged on one side of the rotary table and used for fixing a front fork damper, and tires capable of making contact with the discs or the conical blocks are installed on the front fork dampers. The technical problem that an existing damping testing device cannot effectively simulate real and complex road surface working conditions due to the single excitation form is solved.
Owner:CHONGQING YUJIA NEW ENERGY TECH CO LTD

Two-box type thermal shock test box

The utility model belongs to the technical field of test boxes, and particularly relates to a two-box type cold and hot impact test box. Comprising a high-temperature box and a low-temperature box which are respectively arranged in a test box up and down; a first pulley and a second pulley are symmetrically arranged on the upper portion of the left side wall and the lower portion of the right side wall of the basket box respectively, the first pulley and the second pulley are connected with the first sliding rail and the second sliding rail respectively in a sliding mode, and the first pulley and the second sliding rail are arranged on the high-temperature box and the low-temperature box respectively. The switching mechanism comprises an air cylinder, a chain, a chain gear and a fixing lug; a chain is arranged at the driving end of the air cylinder, the other end of the chain is sequentially wound and meshed with two chain gears and then connected with the fixing lugs, and the two chain gears are horizontally and rotationally installed in the test box at intervals. According to the utility model, the switching mechanism is designed to switch the position of the basket between the test areas of the high-temperature box and the low-temperature box, temperature conversion is not needed, and air duct structures are designed in the areas of the high-temperature box and the low-temperature box to form circulating air flow, so that the temperature between the areas is uniformly distributed.
Owner:WUXI YIBOFAN ENVIRONMENTAL TESTING EQUIPMENT CO LTD

Temperature shock test method and device for vehicle catalyst packaging unit

The invention provides a vehicle catalyst packaging unit temperature impact test method and device, and the method comprises the steps: conveying an internal air flow to the interior of a catalyst packaging unit to obtain a first temperature, conveying an external air flow to the exterior of the catalyst packaging unit to obtain a second temperature, and adjusting the temperature of the internal air flow based on the first temperature, and adjusting the temperature of the external airflow based on the second temperature so as to form a simulated temperature field on the catalyst packaging unit, and performing temperature shock on the vehicle catalyst packaging unit under the simulated temperature field so as to obtain a temperature shock result. According to the method, high-low temperature variable airflow is supplied to the inside and the outside of a catalytic converter pipeline at the same time, so that the states of a carrier, a liner and a shell in the thermal shock test of the catalytic converter fully simulate the actual use environment along with temperature change, and the problem that the test result is inaccurate is solved.
Owner:CATARC AUTOMOTIVE TEST CENT TIANJIN CO LTD

Soaking device for cold and hot impact test

The utility model relates to a soaking device for a hot and cold shock test, which comprises a device barrel, the top of the device barrel is of an open structure, a device chassis is fixed at the bottom of the device barrel, a motor is mounted at the bottom of the device chassis, a rotating rod is connected to the top of the motor, and the top of the rotating rod penetrates through the device chassis and extends into the device barrel. According to the rubber tube cold and hot impact test device, different types of rubber tubes can be placed among a plurality of fixed frame plates, so that the different types of rubber tubes can be subjected to cold and hot impact tests at the same time, the situation that the different types of rubber tubes are mixed together, and the test accuracy is influenced is avoided, and moreover, the test efficiency is improved. The motor can be used for driving the fixed frame plate and the separation net to rotate, so that different types of rubber pipes in the device barrel are driven to rotate, the different types of rubber pipes make contact with temperature air flows from different positions, and the temperature is evenly transmitted by making contact with the temperature air flows from the different positions.
Owner:GUANGDONG TAIAN TESTING EQUIP CO LTD

Fire-resistant material thermal shock test furnace with automatic temperature measurement

ActiveCN224415714UGear driveGear wheel
The utility model discloses a kind of refractory hot shock test furnace with automatic temperature measurement, more specifically in the technical field of hot shock test furnace, including test furnace body, the test furnace body bottom four corners are fixed with support leg, the test furnace body one side is hinged with furnace door, the furnace door is close to the test furnace body one side middle part and is fixed with first heat insulation plate, temperature sensor is fixed in the middle part of first heat insulation plate.The device is placed on the material by the material to be tested, the raw material is slowly rotated by starting servo motor, the speed of material is reduced by gear transmission, at the same time, the damage of servo motor caused by high temperature is avoided, and the inside of test furnace body is heated by multiple electric heating rods at the same time, the inside is uniformly heated, the raw material is fully heated, so that the overall temperature of the material is uniform when heating and cooling, the situation that the material has a large temperature difference is avoided, and the accuracy of test results is improved.
Owner:HENAN YUANDONG REFRACTORIES TECH CO LTD

A temperature shock test chamber for electrical and electronic products

This invention discloses a temperature shock test chamber for electrical and electronic products, relating to the technical field of temperature shock testing equipment. Addressing the problem of poor isolation between the high and low temperature chambers in existing temperature shock test chambers, the following solution is proposed: a test chamber body with an experimental cavity on its inner wall, the inner wall of which has two air ducts; a basket located inside the experimental cavity, with two symmetrical sealing plates fixedly connected to its exterior; and an isolation frame located inside the experimental cavity, with a crossbeam on its exterior. This invention ensures effective isolation between the high and low temperature chambers during use, significantly reducing cross-current during basket switching between the two chambers, lowering the energy consumption of the temperature control system, improving temperature control accuracy, and enhancing the precision of test results.
Owner:FRIIDE TIANYU ENVIRONMENTAL TECH CHENGDU CO LTD

Mechanical shock test board for oil pressure relay

The utility model discloses an oil pressure relay mechanical shock test bench, and relates to the relay detection technology field, and concretely relates to an oil pressure relay mechanical shock test bench comprising a pedestal plate, the top of the pedestal plate is respectively provided with a placing bench, a U-shaped plate and a rectangular frame, the inner top wall of the U-shaped plate is provided with a hydraulic push rod, and the movable end of the hydraulic push rod is provided with an impact plate; a servo motor is installed on one side face of the rectangular frame, a threaded rod concentric with the axis of the output end of the servo motor is installed at the output end of the servo motor, and a threaded ring block is in transmission connection with the outer surface of the threaded rod. The mechanical shock test board for the oil pressure relay has the effects of conveniently limiting the position of the relay and preventing the position of the relay from deviating during shock detection, through cooperation of the connecting rod and the supporting rod, the two clamping plates conveniently and synchronously move to clamp and limit the position of the relay, through arrangement of the rubber cushion block, the relay is prevented from being damaged by clamping, and the working efficiency is improved. And the purpose of improving the practicability is achieved.
Owner:ZHENGZHOU JINXIANG ELECTRONIC TECHNOLOGY CO LTD

Radar temperature shock test equipment

PendingCN122306868ARadarHeat stability
This invention relates to the field of material performance testing technology and discloses a radar temperature shock testing device, including a temperature shock testing chamber and a testing cavity formed on the side of the chamber. The chamber is used for testing the physical and electrical properties of radar materials and components under temperature shock. An air outlet is provided on the inner side of the testing cavity, and an air guide assembly is provided on the inner wall to prevent high and low temperature airflows from directly blowing onto the radar under test. In this invention, a portion of the airflow enters the exhaust hood through the connecting shell, driving the fan blades to rotate and then being evenly discharged from three exhaust hoods in multiple directions. Another portion of the airflow causes the air guide cloths of different lengths to oscillate irregularly, further dispersing the airflow. This dual airflow guidance avoids the direct and forceful blowing of high and low temperature airflows onto the radar components, eliminating the influence of airflow interference on material performance testing, ensuring the authenticity and repeatability of sample test data under temperature shock, and is suitable for the testing and analysis of the thermal stability, fatigue characteristics, and electrical properties of radar materials.
Owner:XIAN LEITONG SCI & TECH

Shock absorption performance testing device for shock absorber

The invention discloses a shock absorption performance testing device for a shock absorber, and belongs to the technical field of shock absorption testing, the shock absorption performance testing device comprises a testing mechanism used for testing the shock resistance and shock resistance of the shock absorber, and the testing mechanism is provided with a mounting mechanism used for mounting the shock absorber and a recording mechanism used for recording the shock condition of the shock absorber; in a vibration test, continuous and irregular bumping excitation on a real road surface is simulated through irregular and staggered bulges on the vibration wheel, and in an impact test, an instant and high-energy impact load is simulated through cooperation of a semi-eccentric wheel and a strong spring. The two excitation modes can more truly reflect the mechanical environment faced by the shock absorber in actual use, in addition, the shock absorber is simulated into an actual installation state in a test, namely the bottom is jacked up, the top is fixed, and the stress form of the shock absorber is consistent with the working state, so that the effectiveness and the reliability of test data are ensured.
Owner:盐城大丰汇安车辆配件有限公司

A heat sink material transient thermal shock test method, system, electronic device, and medium

PendingCN122430391AHeat flowShock test
The application provides a heat sink material transient thermal shock test method, system, electronic equipment and medium, the method comprises the following steps: preparing a sample of the heat sink material to be tested into a specified size and fixing; applying a transient thermal shock excitation to the sample, the transient thermal shock excitation forms a multi-region non-uniform heat flow distribution in space and contains a multi-stage composite loading waveform in time; collecting transient temperature distribution data of the sample surface under the action of the excitation; performing super-resolution reconstruction on the transient temperature distribution data to obtain a temperature distribution with improved spatial resolution, taking the spatial distribution mode and time history mode of the transient thermal shock excitation as known constraints, and calculating the thermal physical property parameters of the sample through joint inversion of time and space characteristics. The application significantly improves the working condition fidelity, parameter acquisition integrity and accuracy of the heat sink material transient thermal physical property test.
Owner:DONGGUAN PEPPER GRAY TECHNOLOGY CO LTD