166results about How to "The test data is accurate" patented technology

The utility model relates to a step-in alternating salt spray test bin which comprises a box body, the test area is arranged in the box body; the salt spray test device is arranged in the box body and is communicated with the test area; the temperature and humidity control device is mounted on one side of the test area; the heating device is arranged on the inner side wall of the test area, corrosion, aging and other conditions of a test sample in a salt spray environment are simulated through the salt spray test device, the test temperature and humidity are controlled through the temperature and humidity control device, the influence of different environment temperatures and humidity on the test sample is simulated, and the environment temperature during salt spray test is controlled through the heating device. The device can simulate the influence of salt mist on a test sample under different environment temperature conditions, can be used for independent temperature and humidity tests and independent salt mist tests, can also realize alternating test conditions through multi-factor coupling, can simulate and enhance severe natural environment conditions more truly, can quickly detect and test the corrosion resistance of materials, and is accurate in test data.

The utility model discloses a new energy automobile battery anti-collision detection device which comprises a base, the top of the base is connected with a detection box, an anti-collision detection working area is formed in the detection box, and the anti-collision detection working area is provided with a working table assembly which comprises an adsorption table used for placing and adsorbing a battery to be detected; the positioning and reinforcing assembly is used for positioning and reinforcing the to-be-detected battery on the adsorption table; and the collision test assembly is arranged above the workbench assembly, and performs battery anti-collision detection by controlling a counterweight test block to fall to collide with the to-be-detected battery. According to the utility model, the workbench assembly, the positioning and reinforcing assembly and the impact test assembly are arranged in the anti-impact detection working area, so that the battery can be positioned, clamped and fixed, the anti-impact test can be carried out on the battery through the free falling of the counterweight test block, the structure is simple and practical, and the anti-impact detection of the battery can be safely and reliably completed.

The invention discloses an application system performance testing method based on database synchronization delay. Accurate monitoring and performance analysis of database master-slave synchronization delay in a high-concurrency environment are achieved through dynamic delay estimation and multi-scene testing. Comprising the following steps: deploying a database master-slave synchronization environment on a business system and configuring application software to be tested; installing a performance test tool, dynamically adjusting test parameters, and constructing a synchronous data model of the master and slave databases of the database; monitoring database synchronization delay amount and performance parameters before and after application software deployment in real time through a monitoring system; and compiling a test script, simulating test scenes under normal and abnormal conditions, carrying out dynamic estimation on delay data based on a KPLSF fusion model, analyzing the variation trend of delay amount and performance parameters, and generating a test report. According to the method, high-precision delay monitoring and performance evaluation are provided, and reliable data support and technical guarantee are provided for system tuning, backup strategy optimization and performance improvement of application software.

The invention relates to the field of tension test equipment, in particular to a tension test device with a constant-temperature working environment. The invention provides the tension test device with the constant-temperature operation environment, which can reduce the opening time of the sealing door in the constant-temperature operation environment and ensure the temperature stability of the constant-temperature operation environment to the greatest extent. A tension test device with a constant-temperature working environment comprises a base, a loading system, a cross beam and the like, the upper side of the right part of the base is connected with the loading system, and the upper part of the loading system is slidably connected with the cross beam. The rotating wheel is controlled by the motor to rotate, the rotating wheel rotates to convey the clamp and a test sample into the isolation furnace for experiment, and the electric push rod is matched to control the butt joint frame to push the clamp, so that the clamp can be in butt joint with the locking device, and the opening time of the sealing door can be shortened in a constant-temperature operation environment; the influence on a constant-temperature test environment during loading, unloading or replacement of the test sample is reduced to the greatest extent, and the accuracy of test data is ensured.

The invention belongs to the field of petroleum pipe test equipment, and relates to a petroleum pipe high-temperature external pressure collapse test device and a test method thereof. Comprising a testing device with a cavity, the cavity is used for containing a petroleum pipe sample, the two ends of the petroleum pipe sample make contact with the inner side of the testing device, and an annulus is formed between the testing device and the petroleum pipe sample, that is, the interior of the petroleum pipe sample is isolated from the annulus. The testing device is respectively connected with the liquid pressurizing device, the cyclic heating device and the sensor, and the liquid pressurizing device and the cyclic heating device are both communicated with the annulus. The sensor is respectively communicated with an annulus and an inner hole of a petroleum pipe sample, the sensor is connected with the data acquisition system, the sensor transmits acquired pressure data to the data acquisition system, and the data acquisition system is used for acquiring and processing the data. The device can be used for testing the collapse resistance of the petroleum pipe in a high-temperature environment, a petroleum pipe sample is convenient to install and operate, and the petroleum pipe sample is not influenced by an axial additional load in the testing process.

The invention belongs to the technical field of oil seal leakproofness test, and particularly relates to a high-low pressure gas spring oil seal leakproofness test box for an automobile suspension system, the high-low pressure gas spring oil seal leakproofness test box comprises a seal test device and a pressure balance system, the seal test device comprises a box body, a partition plate, an upper cover plate, a lower sleeve and a reinforcing mechanism; a box plate is in shaft connection with the upper portion of the box body, a display screen and a plurality of buttons are fixed to one side of the box body, the partition plate is fixedly installed on the inner wall of the box body, the lower sleeve is fixedly installed in the middle of the partition plate, the inner wall of the partition plate is slidably connected with an air pressure plate, an air pressure rod is fixed to the lower portion of the air pressure plate, and a hole is formed in the middle of the partition plate. According to the device, the problems that the test quality is influenced by a gap generated between an oil seal and a simulated gas spring due to the inaccurate simulation environment of the gas spring oil seal during the current oil seal tightness test, and the accuracy of a test result is greatly influenced by looseness caused by the fact that the simulated gas spring cannot be reinforced in the process are solved.

The invention discloses a carbon fiber wear resistance testing device and method.The carbon fiber wear resistance testing device comprises a testing platform, a moving platform, a left side fiber fixing clamp, a right side fiber fixing clamp, a balance weight and a traction rope, and the left side fiber fixing clamp and the right side fiber fixing clamp are arranged at the left end and the right end of the top surface of the testing platform respectively; the motion platform is arranged on the test platform, a friction rod group is arranged on the motion platform, a moving block is arranged at the top of the friction rod group, the friction rod group moves up and down, a to-be-tested carbon fiber penetrates through the friction rod group, and two ends of the to-be-tested carbon fiber are fixedly connected with the left fiber fixing clamp and the right fiber fixing clamp respectively and are tensioned by a counterweight; and the horizontal movement and the vertical movement of the friction rod group can be respectively used for carrying out transverse and longitudinal wear resistance tests on the carbon fibers. According to the invention, transverse and longitudinal wear resistance tests can be simultaneously carried out on the carbon fibers, and complex wear resistance test conditions are provided for the carbon fibers, so that powerful evaluation parameters are provided for research and development of the carbon fibers.

The utility model discloses a waterproof detection device for an LED display screen. The waterproof detection device comprises a workbench; the environment simulation part is arranged at the top of the working table, the detection water tank is arranged at the top of the working table, a spray head and a water injection port are arranged in the detection water tank, and an impact ball is arranged in the detection water tank and used for being matched with a water pressure simulation impact experiment of the water injection port. The LED display screen testing device can simultaneously simulate various environmental conditions such as high and low temperature, water pressure impact and physical impact, such as hail impact simulation, so that the testing is more comprehensive, and the LED display screen can be ensured to keep good performance and waterproofness under various extreme conditions; different temperature environments are simulated through the refrigeration part and the heating part, and rainwater and impact are simulated through high-pressure water flow generated by the water pump, so that the device can be very close to the actual natural environment, and accurate test data are provided.

The invention relates to the technical field of friction performance testing equipment, in particular to multidirectional dynamic loading sealing rubber ring wear resistance testing equipment which comprises a testing box, a base plate is arranged at the bottom of the testing box in a sliding mode through an adjusting rod, and a plurality of testing cylinders are installed on the top of the base plate in the length direction. A mounting plate is fixed between two opposite side walls in the test box, a plurality of rotating shafts are rotatably arranged on the mounting plate in a penetrating manner in the length direction, one end, penetrating through the mounting plate, of each rotating shaft extends into the test cylinder, and the bottom of one end, extending into the test cylinder, of each rotating shaft is in threaded sleeve connection with a sliding sleeve; an anti-rotation mechanism is arranged between the sliding sleeve and the testing cylinder, a second fixing sleeve is rotationally arranged on the outer side of the sliding sleeve, and a rubber ring positioning mechanism is arranged on the second fixing sleeve. The rubber ring friction testing device can conduct friction testing on a rubber ring in multiple modes, the testing mode of the rubber ring is expanded, and the range breadth of a testing result is improved; therefore, an accurate friction test result is obtained.

The invention relates to the technical field of test instruments, and discloses a split test box with thermal imaging function, comprising a split test box body and a control device; a test chamber, a high-voltage test device, a temperature test device and a transmission device are arranged inside the test box body; the high-voltage test device and the temperature test device are used in combination to carry out a comprehensive test on a sample to be tested; an infrared imager is arranged on the top of the test box body; the test device of the invention separates the test box body and the control mechanism, thereby improving the safety of the entire test process, and at the same time, the test box body can carry out a comprehensive test combining high pressure and ambient temperature, and the infrared imager can track the product temperature in real time throughout the whole process, generate a temperature camera image, more intuitively reflect the temperature change of the test product in the overall test process, provide more accurate epoxy resin test data, and be more conducive to evaluating the health status of the epoxy resin.

The invention provides a pilot reversing valve test bed and a test method thereof, and relates to the field of hydraulic equipment testing, and the pilot reversing valve test bed comprises an oil tank main body, a motor pump group, a control valve group, a circulating cooling system, an electric control system and a test bed main body; the control valve group comprises a performance test module, an internal leakage test module, a pressure loss test module, a pressure resistance test module and an external leakage test module which are arranged in parallel, and a tested pilot valve is mounted on the test bench main body and is connected with a servo driving structure. The oil tank body, the motor pump set, the control valve set, the circulating cooling system and the electric control system are integrated on one test bed, the integration degree is high, and the equipment size is effectively reduced; the test bench can complete performance testing, internal leakage testing, pressure loss testing, voltage withstanding testing and external leakage testing, switching operation among different testing items is simple, using is convenient, and testing data are accurate; through automatic control of an electric control system, each module can be monitored in real time, stability is good, and functions are comprehensive.

The invention discloses a single-pile horizontal load test device and method, and belongs to the technical field of building pile foundations, the single-pile horizontal load test device comprises a load test platform, a counter-force support, a horizontal loading device, a cylindrical pile template and a deformation measuring device, the cylindrical pile template and the deformation measuring device are installed on the upper side of the load test platform, one end of the horizontal loading device is connected with the counter-force support, the other end of the horizontal loading device horizontally extends towards the side where the cylindrical pile formwork is located, the cylindrical pile formwork is used for cast-in-place forming of the rotary excavating cast-in-place pile in the vertical direction, and the horizontal loading device is used for applying horizontal loads to the rotary excavating cast-in-place pile. The deformation measuring device is used for measuring the deformation of the rotary excavating cast-in-place pile; the horizontal loading device comprises a hydraulic jack, an output rod, a rod sleeve, a supporting rod and an arc-shaped supporting piece, the surface stress of the rotary excavating cast-in-place pile is optimized, stress concentration can be avoided, and therefore accurate and beneficial test data are provided for subsequent horizontal load tests.

The invention relates to portable dual-mode valve detection equipment and a use method, and belongs to the field of valve detection. Comprising a control system module, a measurement module, a pressurization module and a wastewater management module, and the pressurization module comprises a water tank, a ball valve, a filter, a gas-liquid booster pump and an energy accumulator. The wastewater management module is used for managing and recycling wastewater flowing into the system from the water tank; one end of the ball valve is communicated with an outlet of the water tank and used for controlling output of the water tank; the other end of the ball valve is communicated with the filter; the gas-liquid booster pump communicates with the end, away from the ball valve, of the filter and is used for providing a pressure source for the energy accumulator in a high-pressure interval. The energy accumulator is communicated with the end, away from the filter, of the gas-liquid booster pump and used for maintaining the stability of a pipeline system and reducing the phenomena of pulse, vibration and the like. The equipment can perform dual-mode detection on various valves, is wide and stable in test pressure range, can better meet the requirements of convenience and high efficiency, and is suitable for various application scenes.

Oil pump testing equipment comprises a mounting seat for mounting and fixing an oil pump, a driving mechanism for driving the oil pump to rotate, a testing mechanism connected with the output end of the oil pump and an oil supply mechanism for supplying oil to the oil pump, the testing mechanism comprises a flow regulating valve, an overflow valve and an electronic meter, an oil outlet channel of the mounting base is connected with a first connector of a tee joint through a first oil pipe, a second connector of the tee joint is connected with the overflow valve through a second oil pipe, and a third connector of the tee joint is connected with the input end of the flow regulating valve through a third oil pipe; the output end of the flow regulating valve is connected with the input end of an electronic meter through a fourth oil pipe, and the output end of the electronic meter is connected with the oil tank; a fifth oil pipe is arranged between the input end of the flow adjusting valve and the input end of the electronic meter, and a switch valve is arranged on the fifth oil pipe. The output flow of the oil pump can be adjusted through cooperation of the switch valve and the flow adjusting valve, and the flow and pressure of the oil pump can be tested according to the relation between the oil pump rotating speed and the output flow.

The invention relates to the technical field of sensor detection, in particular to a sensor environment simulation testing device, which comprises a shell part, the clamping part is used for clamping and fixing a sensor to be tested and detected; the environment simulation part is installed in the shell part and generates a simulation environment for detection according to the working environment of the sensor; the system has three different single simulation environments and two different combined simulation environments, environment simulation can be better performed for sensor testing, the simulation environments are more real and comprehensive, and it is ensured that obtained sensor testing data are more accurate; the spray head is automatically opened through water pressure and automatically closed when the water pressure is low, the problem that the spray head is blocked by sandy soil can be avoided, meanwhile, water flow impacts the water rotating strip when passing through the water diversion channel, then the blocking body is driven to rotate, the water flow also has the rotating diversion effect, spraying is more uniform, the environment simulation degree is increased, and the testing effect is improved.

The underground while-drilling gas logging testing device comprises a collecting and discharging mechanism, a drill rod, a water guide pipe and a drill bit, the drill rod, the water guide pipe and the drill bit are connected in sequence, a testing cylinder arranged outside the water guide pipe in a sleeving mode is installed on the drill rod, a testing and collecting module ring is installed outside the water guide pipe, and a testing cavity with an opening facing the drill bit is formed by the testing cylinder and the water guide pipe; a first inlet hole is formed in the end, close to the drill bit, of the testing barrel, a first outlet hole is formed in the end, away from the drill bit, of the testing barrel, a blocking mechanism is further installed outside the testing barrel and comprises a sleeve shell rotationally arranged outside the testing barrel in a sleeving mode, and a second inlet hole corresponding to the first inlet hole and a second outlet hole corresponding to the first outlet hole are formed in the sleeve shell. A sealing mechanism used for sealing a drilled well is further installed on the portion, between the second inlet hole and the second outlet hole, of the sleeve shell. The plugging mechanism further comprises a control mechanism used for controlling the sleeve shell to rotate.

The utility model discloses a self-starting horsepower dynamometer with a wind resistance simulation function. The self-starting horsepower dynamometer comprises a test platform. The rear wheel driving assembly comprises a starter and a driving wheel, the starter is arranged on the testing platform, the driving wheel is hinged to the testing platform, a dynamometer assembly is connected to a rotating shaft of the driving wheel, the starter is used for driving the driving wheel to rotate, and the periphery of the driving wheel is higher than the upper end face of the testing platform; and the fan assembly is arranged on the upper end face of the test platform, and the fan assembly is used for providing wind resistance. A set of starter is additionally arranged in the rear wheel driving assembly, the starter drives the driving wheel to start the motorcycle for testing, the starter of the motorcycle does not need to be used for starting, the motorcycle can be tested under the same starting condition, testing data are more accurate, and testing efficiency is improved. And meanwhile, certain wind resistance can be formed for the motorcycle under test through the fan assembly, the wind resistance condition in the actual driving process is simulated, and the test accuracy is further improved.

The utility model relates to cement detection technical field especially relates to a cement detection electric bending testing machine, including operation platform, the operation platform top fixedly connected with mounting seat, the operation platform top mounting seat both sides position fixedly connected with mounting bracket, the mounting bracket top is equipped with hydraulic pressure rod, the hydraulic pressure rod bottom fixedly connected with the pressing block, the mounting seat top installation place in the pressing block bottom position is developed and provided with the upper clamp, the upper clamp bottom is developed and provided with the loading roller, the loading roller with upper clamp junction is developed and provided with mounting assembly, the lower clamp is provided with below the upper clamp, be provided with lifting assembly between the lower clamp and mounting bracket. The utility model not only can make loading roller can carry out quick installation and disassembly to improve the replacement efficiency when loading roller appears damage, and can make test piece can be adjusted to be closely combined with loading roller after being placed well to make test data more accurate.

The embodiment of the utility model provides a portable light dynamic sounding machine, and relates to the field of geological exploration machinery. The utility model aims to solve the problem that the hammer of a manual light sounding device is manually lifted, and the hammer lifting height is different, so that continuous testing cannot be carried out. The portable light dynamic sounding machine comprises a bracket, a beating pad, a drop hammer, a sliding rail, a rotating arm and a power mechanism, wherein the beating pad is fixed at the bottom of the bracket; the drop hammer is slidably arranged on the support in the vertical direction. The slide rail is fixed with the drop hammer; the rotating arm is rotatably connected to the support, the other end of the rotating arm is used for being in sliding fit with or separated from the sliding rail in the rotating process, and in the sliding fit process of the rotating arm and the sliding rail, the drop hammer and the sliding rail ascend synchronously; and under the condition that the rotating arm is separated from the sliding rail, the drop hammer descends. The power mechanism is adopted to drive the rotating arm to lift the hammer, so that the labor intensity during operation is greatly reduced, the hammer lifting height of the rotating arm is constant, the falling distance is constant, and the problem that continuous testing cannot be carried out due to different hammer lifting heights is solved.

The utility model discloses a logistics box impact performance detection device, and aims to solve the problems that the existing logistics box impact performance detection is relatively troublesome, the logistics box can only fall on the ground, whether the anti-falling performance of the logistics box is qualified in different environments is difficult to detect, and the accuracy is relatively low. The device comprises a bottom plate, a vertical plate is fixedly connected to the rear side of the upper surface of the bottom plate, a detection box is arranged on the front face of the vertical plate through a rotating assembly, box doors are installed at the upper end and the lower end of the left side of the detection box, and a first release assembly and a second release assembly are arranged at the upper end and the lower end in the detection box respectively. According to the utility model, after one side of the material box is rotated to the top through the rotating assembly, the first release assembly is opened, so that the impact resistance of the logistics box can be conveniently completed, more time and labor are saved, and different environments can be simulated to detect the falling resistance of the logistics box by replacing the test bottom plates with different hardness, so that the detection efficiency is improved. And the test data is more accurate.

A rotary single-nozzle test experiment device comprises a submerging mechanism which is provided with a water tank for containing liquid and a clamp holder arranged in the water tank, and the clamp holder can clamp a test sample; the jet flow mechanism is provided with a jet flow driver and a jet flow structure connected with the jet flow driver, and the jet flow structure can extend into the water tank; the three-axis moving mechanism is provided with a plane moving structure and a vertical moving structure, the vertical moving structure can be horizontally and movably arranged in the plane moving structure, and the jet flow mechanism can be vertically and movably arranged through the vertical moving structure. According to the rotary single-nozzle test experiment device, the purposes that an underground submerging scene is truly simulated, and the influence of factors such as the spraying distance, the jet flow water pressure and the jet flow rotating speed on the water jet flow technology can be tested are achieved.

A rat and mouse fixing device is used for meeting the requirement for fixing an operation model animal with a device on the back, improving the comfort degree of fixing an experimental mouse, reducing animal stress, prolonging the service life of the model animal, improving the test operation efficiency and enabling test data to be more accurate. Which comprises a cylinder capable of containing a laboratory mouse, a conical thin shell is fixedly arranged at the front end of the cylinder, and vent holes are formed in the shell wall of the conical thin shell at intervals, and is characterized in that an annular groove which annularly extends from the top to the two sides by a certain arc length is formed in the front portion of the cylinder, and a longitudinal groove which longitudinally extends forwards from the rear end is formed in the top of the cylinder; the annular groove and the longitudinal groove are communicated to form a T-shaped groove; and a mouse blocking mechanism capable of moving along the longitudinal groove is arranged at the rear part of the cylinder.

The invention discloses a hydrogen production electrolytic cell for testing electrodes and diaphragms.The hydrogen production electrolytic cell comprises a frame, an electrolytic cell assembly is installed on the frame, the electrolytic cell assembly comprises supporting frames arranged in pairs, grooves are formed in the two corresponding sides of each supporting frame, and lap joint rods penetrate through the grooves in the corresponding sides of the supporting frames on the two sides; a plurality of small electrolysis chambers are arranged in the area between the lap joint rods located between the supporting frames on the two sides, a pole frame supporting block is arranged in each small electrolysis chamber in a penetrating mode, the pole frame supporting blocks stretching out of the two sides of each small electrolysis chamber are in lap joint with the lap joint rods on the corresponding sides respectively, and push plates are arranged on the outer sides of the small electrolysis chambers on the edges respectively. A pushing bolt is connected in the supporting frame and penetrates through the supporting frame in the axial direction, one end, extending into the inner side of the supporting frame, of the pushing bolt is connected with a nut, and after the small electrolysis chamber is assembled on the supporting frame, the pushing bolt is used for pushing the pushing plate, the small electrolysis chamber is extruded through the pushing plate, and sealing is achieved. The test result is more comprehensive, disassembly and assembly are convenient and simple, and test data are accurate.

The utility model discloses a device for a sealant fluidity test, which comprises a test board, a cylindrical counter bore for accommodating sealant is arranged on the test board, and a plunger is movably connected in the counter bore by penetrating through the test board; two fixing seats are oppositely arranged on one side of the base, a rotating rod is rotationally connected between the two fixing seats, and one end, far away from the counter bore, of the test plate is relatively and fixedly connected with the rotating rod; a rotary driving mechanism is arranged on the base, a driving shaft of the rotary driving mechanism is connected with the rotating rod, and the rotating rod is driven to rotate to drive the test board to realize switching between a horizontal placement position and a vertical placement position; a vertical column is arranged on the base, a linear driving mechanism is arranged on the vertical column, the output end of the linear driving mechanism is connected with a push rod, the axis of the push rod and the axis of the counter bore when the test plate is vertically placed are on the same straight line, and the linear driving mechanism is used for pushing the plunger. Test operation is completed in an automatic and mechanical mode, the test operation is simpler and more reliable, and test data are more accurate.

The present invention discloses a negative clearance rapid detection system and detection method of a hub unit, and the present invention relates to the technical field of negative clearance detection of hubs, including a detection device, a central processing unit and a display terminal, wherein the output end of the detection device is electrically connected to the input end of the central processing unit, the output end of the central processing unit is electrically connected to the input end of the display terminal, the output end of the display terminal is electrically connected to the input end of the detection device, and the detection device internally includes a camera module and a laser point cloud scanning module, the output ends of the camera module and the laser point cloud scanning module are both electrically connected to the input end of the control module, and the output end of the control module is electrically connected to the input end of the image extraction module and the laser point cloud receiving module, respectively. The detection system and the detection method thereof can effectively make the test data more accurate, effectively reduce the errors that occur during the test process, and thus achieve a better detection effect.

The invention discloses an irradiation test device, and particularly relates to the technical field of fireproof coating testing, the irradiation test device comprises a test box, irradiation equipment and a sample mounting seat, the test box is provided with a box door, the irradiation equipment is mounted in the test box, the sample mounting seat is rotatably mounted on the box door, and the sample mounting seat is provided with a plurality of groups of sample mounting grooves; a sample leveling assembly is further arranged in the test box and comprises a positioning compression roller and a leveling supporting frame, the positioning compression roller is installed on the leveling supporting frame, the leveling supporting frame is installed in the test box, and the positioning compression roller is vertically arranged. The sample mounting seat is controlled to rotate, so that the positioning compression roller is gradually contacted with each sample, and the outer walls of the samples extruded and fixed by the positioning compression roller are positioned in the same plane, so that the distances from the outer surfaces of coating layers to irradiation equipment are relatively uniform, the test error is reduced, the test precision is improved, and the test efficiency is improved. And more accurate test data can be obtained.

The utility model discloses a depth-adjustable gas turbine temperature and pressure detector, which comprises a probe tube, and a sensor used for testing jet flow temperature or pressure is arranged at the bottom end of the probe tube. The bottom face of the base can be fixed to a gas turbine tail shell around a gas turbine tail probe hole in a sealed mode, a bottom telescopic hole corresponding to the probe hole is formed in the base, the probe tube is located in the bottom telescopic hole and can stretch out and draw back in the bottom telescopic hole, and the peripheral face of the probe tube is attached to the inner wall of the bottom telescopic hole. The adjusting mechanism is used for adjusting the probe tube to stretch out and draw back in the probe hole. The adjusting mechanism comprises a knob with a threaded hole, external threads are arranged on the periphery of the exploring tube, the knob is sleeved outside the exploring tube through matching of the threaded hole and the external threads on the periphery of the exploring tube, and the distance between the knob and the base is limited. The device has the advantages that the temperature or the pressure of jet flow at different radial positions between the tail shell of the gas turbine and the turbine shaft can be detected, more accurate test data can be obtained, and the real working conditions of the temperature and the pressure in the tail shell of the gas turbine can be reflected.

The invention provides a vehicle mechanical performance testing device, which relates to the technical field of testing devices and comprises a testing piece, the testing piece is mounted at the bottom of a main body, an outer piece is arranged at the outer end of a connecting plate, a round hole is formed in the outer piece, a pull rod is mounted in the round hole and is of a T-shaped shaft structure, a push plate is arranged at the inner end of each pull rod, and the push plate is connected with the main body. The pushing plate is of an inverted-L-shaped plate-shaped structure, and the top end of the pushing plate is of an inclined structure. When the test piece moves downwards, the insertion head is driven to move downwards together, so that the insertion head can be stressed and displaced in the stress groove, the contact surface of the insertion head and the stress groove is of an inclined structure, the moving piece can transversely displace, the insertion piece is inserted above the pressing plate, the pressing plate is continuously pressed, and the device can avoid loosening by utilizing moving force; the service life is prolonged, and the problem that an existing mechanical property strength testing device lacks a structure for avoiding loosening by utilizing moving force is solved.

The utility model discloses a testing device for testing the electrical load of an automobile electrical component, which belongs to the technical field of electrical load testing and comprises a bottom plate, a mounting frame is fixedly mounted at the center of the upper end of the bottom plate, and positioning plates are arranged on two sides of the top of the bottom plate corresponding to the inner wall of the mounting frame. The positions, close to the bottom, of the two sides of the mounting frame are each fixedly provided with a shell, and the two shells are symmetrically arranged. According to the testing device for testing the electrical load of the automobile electrical part, through the design of the shell, the positioning plate, the motor, the nut sleeve, the screw rod, the driving gear and the driven gear, the motor is controlled to enable the nut sleeve to rotate through meshing transmission of the driving gear and the driven gear, and through threaded transmission of the screw rod and the nut sleeve, the electrical load of the automobile electrical part is tested. Therefore, along with the rotation of the nut sleeve, the screw rod pushes the positioning plate to approach a part placed on the bottom plate so as to clamp and position the part, so that the stability of the electrical part in the test process can be ensured, and the test error caused by the movement or shaking of the part is prevented.

The utility model relates to the technical field of tire performance testing, in particular to a tire puncture resistance testing device, which comprises a bottom plate, four groups of support columns, a top plate, a plurality of rows of puncture mechanisms, a position adjusting mechanism, a moving mechanism, a lifting mechanism, a lifting plate and a mounting mechanism, and is characterized in that the four groups of support columns are connected with the top end of the bottom plate, and the top plate is connected with the top ends of the four groups of support columns; the position adjusting mechanism is installed at the bottom end of the top plate, the moving mechanism is installed at the bottom end of the position adjusting mechanism, the lifting mechanism is installed at the bottom end of the moving mechanism, and the lifting plate is connected with the bottom end of the lifting mechanism. The multiple rows of puncture mechanisms are arranged and mounted at the top end of the bottom plate, the multiple rows of puncture mechanisms are used for testing tires of different specifications and types, and each of the multiple rows of puncture mechanisms comprises a fixing plate and multiple groups of puncture needles. The utility model provides a tire puncture resistance testing device, and aims to solve the problems of inconvenience in operation, inaccurate testing result, poor universality and the like of a tire puncture resistance testing device in the prior art.