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82results about How to "Avoid test error" patented technology

Storage battery detection equipment based on embedded control

The utility model provides storage battery detection equipment based on embedded control, and belongs to the technical field of storage battery detection. Comprising a supporting seat; the fixed clamping plate is mounted on one side of the top of the supporting seat; the movable clamping plate is mounted at the top end of the supporting seat, slidably connected with the supporting seat and used for being matched with the fixed clamping plate to clamp and fix the storage battery; the fixed seat is mounted on one side of the top of the supporting seat away from the fixed clamping plate. According to the utility model, the movable clamping plate is matched with the fixed clamping plate, and the elastic piece is arranged, so that storage batteries with different sizes can be clamped and fixed, meanwhile, the structural design can flexibly cope with various conditions, the fixture does not need to be frequently replaced like the prior art, and the convenience and the efficiency of the detection process are improved; the storage battery can be kept in a stable state in the detection process, test errors caused by factors such as unstable position of the storage battery are avoided, and the accuracy of a test result can be improved.
Owner:XINXIANG TAIHANG JIAXIN ELECTRIC TECH CO LTD

New energy wiring harness conduction test system

The invention relates to the technical field of wire harness conduction testing, in particular to a new energy wire harness conduction testing system, which automatically scans all point locations of a wire harness conduction testing jig, generates an activated point location set, applies signals to the activated point locations, obtains electrical connection states among the point locations, and combines loop data of the same main point location to test the conduction of the new energy wire harness. And a simplified conduction result set is generated, redundant data is reduced, and subsequent processing is facilitated. And the result confirmation module ensures the effectiveness and accuracy of the conduction result set through dual verification, and prevents non-defective products from being misjudged as defective products. And the memory verification module verifies the current conduction result set through memory, intelligently processes the loop memory by using a neural network, automatically judges whether the models of the wire harnesses are matched or not by comparing the conduction result set with the loop memory, and deletes the loop memory which does not need to be used any more, so that the verification capability of the system on the wire harnesses of different models is improved. The system effectively improves the efficiency, the accuracy and the reliability of the wire harness conduction test.
Owner:SHANTOU YONGJIE NEW ENERGY TECHNOLOGY CO LTD

Device and method for verifying performance of electromagnetic field composite energy-taking passive sensor

The invention discloses a device and method for verifying the performance of an electromagnetic field composite energy-taking passive sensor, and the device comprises a verification box which is internally provided with a dual-channel excitation source which is used for outputting magnetic field excitation and electric field excitation. The double-channel excitation source comprises high-voltage electrode plates installed on the left inner wall and the right inner wall of the verification box, two symmetrical brackets fixed to the bottom of the verification box, a convex bottom table fixed to the top ends of the two brackets, and a Helmholtz coil installed at the top end of the convex bottom table. According to the invention, the magnetic field and the electric field are arranged to be a vertically-crossed dual-channel excitation structure, so that excitation of fundamental waves and harmonic waves can be simultaneously or independently carried out to generate electromagnetic composite fields with different waveforms and different phase angles, and an excitation environment is provided for the composite energy-taking sensor through electromagnetic field excitation for a period of time; therefore, the performance of the sensor can be tested in various scenes.
Owner:STATE GRID HUBEI ELECTRIC POWER RES INST +1

Mechanical swing test device and method for insulator

The invention relates to the technical field of insulator tests, and discloses a mechanical swing test device and method for an insulator, and the device comprises a swing testing machine, a connection tool, an insulator sample, a testing machine testing system, and a resistance strain gauge testing system. The swing testing machine is located on one side of the insulator sample, one end of the connecting tool is connected to the control end of the swing testing machine, and the other end is arranged at the top of the insulator sample; the control end of the testing machine testing system is connected with the control end of the swing testing machine; resistance strain gauges are respectively pasted on two sides of the insulator sample, and the resistance strain gauges are connected to a resistance strain gauge test system through leads. According to the invention, a mechanical swing test is carried out on the insulator sample through the swing testing machine, and the dynamic load condition in an actual working environment can be simulated, so that the mechanical property and durability of the insulator can be evaluated more accurately.
Owner:XIAN HIGH VOLTAGE APP RES INST CO LTD

Efficient automatic testing method based on TCL and Python script

The invention discloses an efficient automatic testing method based on TCL and Python scripts, and relates to the technical field of testing, the method comprises the following steps: S1, setting an upper computer for controlling testing, and setting a data testing instrument, a signal source and a data acquisition board card which are respectively in signal connection with the upper computer for the upper computer; s2, the signal source is in signal connection with a data acquisition board card, and a signal output by the data acquisition board card is set as a target test signal; s3, calling a Python script by using a TCL script to control a data test instrument to start a signal test process; s4, calling a Python script to generate a final result file according to an analysis result of the test data; and S5, reading a data analysis result from the final result file. Automatic control is achieved through the preset TCL and Python scripts, starting, data collection and analysis of the whole testing process can be automatically completed, and the method has the advantages of reducing the manual error rate and improving the testing efficiency, precision and repeatability.
Owner:成都中微达信科技有限公司

Ignition device performance test equipment and performance test method thereof

The invention relates to the technical field of aero-engine ignition systems, and particularly discloses ignition device performance testing equipment which comprises an installation platform, two sets of testing electrode assemblies are oppositely arranged on the installation platform, and each testing electrode assembly comprises a supporting rod and an electrode unit arranged on the supporting rod. Each electrode unit comprises a mounting rod and a spherical electrode arranged on the mounting rod, the mounting rods are in sliding fit with the supporting rods, the spherical electrodes in the two groups of test electrodes are located between the supporting rods and are oppositely arranged at intervals, and a drainage assembly is arranged on the mounting platform. And the drainage assembly comprises a drainage needle capable of extending between the two spherical electrodes. According to the invention, the two spherical electrodes are oppositely arranged, and the gap between the two electrodes is changed and the drainage needle is arranged in the gap, so that the test inspection of the output voltage and the working capability of different types of ignition devices is realized.
Owner:SICHUAN FANHUA AVIATION INSTR & ELECTRICAL CO LTD

Visual testing method for unstable flow of gas turbine blade

The invention aims to provide a gas turbine blade unstable flow visualization testing method, and belongs to the technical field of gas turbine experimental testing. Comprising the following steps: inputting boundary conditions and geometric conditions of a calculation model; numerical simulation flow field data under the condition are obtained through CFD calculation; if yes, the next step is carried out, and if not, a higher-quality grid is generated and returned to the encrypted grid, and CFD numerical simulation calculation is carried out again; selecting a proper resolution ratio based on an actual demand; generating a data source quantity and obtaining CFD calculation data according to the data source quantity; and outputting the three-dimensional transient visual flow field at the moment obtained by the checked high-precision CFD numerical simulation. The actual working condition of the gas turbine blade can be simulated, the test error of an actual instrument under the severe working condition is avoided, and the test difficulty is reduced. The precision of CFD numerical simulation is optimized, and the error is reduced, so that the credibility of the three-dimensional visualization cloud picture is improved.
Owner:HARBIN ENG UNIV

Multi-station testing mechanism for magnetic device

The utility model relates to the technical field of magnetic device testing, in particular to a magnetic device multi-station testing mechanism which comprises a carrying mechanism and a testing mechanism, the carrying mechanism comprises a portal frame, a carrying transmission module, a carrying connecting frame and a carrying grabbing module, and the testing mechanism comprises a Y-axis transmission module, a testing station and a testing jig. The carrying transmission module is arranged on the portal frame, the multiple carrying grabbing modules are arranged, the carrying connecting frame is arranged on the Y-axis transmission module, the multiple carrying grabbing modules are arranged on the carrying connecting frame side by side, the testing station is provided with an upper testing module and a lower testing module, and the upper testing module and the lower testing module are oppositely arranged. Therefore, the magnetic device on the test fixture can be tested. The device is high in automation degree, a series of operations such as carrying of magnetic devices and testing of each item are automatically completed, manual intervention is reduced, and labor cost is reduced.
Owner:DONGGUAN BOZHAN MACHINERY SCI & TECH CO LTD

Portable testing device for rotating speed of motor

The invention relates to the technical field of motor detection, and discloses a motor rotating speed portable testing device, which comprises a mounting seat, a measuring shaft and an outer pipe, the mounting seat is fixedly connected with the outer pipe, the measuring shaft is rotatably connected in the outer pipe, a hollow air pipe structure is arranged in the top of the measuring shaft, an air valve is arranged in the air pipe structure, and a cavity is formed in the outer pipe. Air outlets are formed in the outer wall of the outer pipe, an axial fan is coaxially fixed to the measuring shaft, a circulating air hole is formed in the bottom of the air pipe structure, a contact is fixedly connected to the top of the measuring shaft, and a suction cup is fixed to the side face of the contact; the suction cup can be tightly attached to the surface of the motor shaft, so that the attaching tightness between the suction cup and the motor shaft is improved, meanwhile, the negative pressure is dynamically adjusted, the higher the rotating speed of the motor shaft is, the higher the negative pressure between the suction cup and the motor shaft is through the axial flow fan, and therefore the situation that the contact head is unstable in connection with the motor shaft is avoided. And the process of connecting with a motor shaft is simple, the size is small, and carrying is easy.
Owner:HANGZHOU SAIWEI MOTOR

Dual pulse testing apparatus and method for power semiconductor

This application discloses a double-pulse testing device and method for power semiconductors, belonging to the field of power semiconductor technology. The device includes: a global control module, used to generate a parameter package based on the test task and characteristic parameters of the target device when a double-pulse test is to be performed on a target device, send the parameter package to a target local execution module, and iteratively adjust the parameter package based on the double-pulse test results of the target device fed back by the target local execution module, while simultaneously sending the iteratively adjusted parameter package to the target local execution module until the double-pulse test results of the target device fed back by the target local execution module meet the test objective; and a target local execution module, used to perform double-pulse testing on the target device according to the parameter package issued by the global control module, and to feed back the double-pulse test results of the target device to the global control module. This device can improve the efficiency and accuracy of double-pulse testing of power semiconductors.
Owner:CHONGQING CLOUDCHILD TECH CO LTD

An Automatic Testing Method for Configuration-Free Relay Protection Devices Based on APPID Information

This invention discloses an automatic testing method for relay protection devices without configuration based on APPID information. The method involves real-time acquisition of messages from the device under test (DUT), parsing the APPID information of the GOOSE messages sent by the DUT, identifying the IEDname of the DUT based on the APPID information, identifying the bay to which the DUT belongs based on the IEDname, statistically analyzing the IEDname information of all devices within the bay, using regular expressions for matching, identifying IEDname information with the same category as the DUT, manually selecting IEDnames with bay-level association relationships with the DUT, extracting the APPID information of all IEDnames, constructing a message control block based on the APPID information, and outputting excitation quantities to complete the automatic testing of the relay protection device. This invention changes the traditional testing method for relay protection devices, enabling direct testing of protection devices without configuration files, and significantly enhancing the reliability of protection function verification and device linkage testing.
Owner:SHANGQIU POWER SUPPLY CO OF STATE GRID HANAN ELECTRIC POWER CO

Anchorage force detection device

ActiveCN224608827UPrevent breakawaysEasy to fix
The utility model relates to the field of anchorage bearing capacity detection device discloses an anchorage bearing capacity detection device, including the casing, the inner wall of casing is provided with the sliding column, the right side fixed connection of sliding column has the rack no.
Owner:YIXING DONGHUANG HEAT RESISTANT MATERIALS CO LTD

Test data generation method and device

The invention provides a test data generation method and device, and is suitable for the technical field of data processing, and the method comprises the steps: generating primary test parameter population individuals according to product test demand information, product attribute information and test environment interference monitoring information; according to the product test demand information, the product attribute information, the test environment interference monitoring information and the product test precision calculation weight information, obtaining primary test parameter population individual precision information; performing selection processing on the primary test parameter population individuals according to the precision information of the primary test parameter population individuals, and generating secondary test parameter population individuals; and performing crossover variation and iterative calculation on the test parameter population individuals of the generation to obtain target test parameter configuration information, so as to analyze and calculate the to-be-tested product information and generate test data information. According to the invention, the adaptability of test parameters and the accuracy of test results are effectively improved, and test errors are greatly reduced, so that the accuracy and effectiveness of test data are improved.
Owner:FOSHAN SOTAI TESTING TECH SERVICE CO LTD

Photovoltaic cable water and fire resistance testing machine

The invention belongs to the technical field of detection equipment, particularly relates to a photovoltaic cable water and fire resistance testing machine, and aims to comprehensively evaluate the performance of a photovoltaic cable under extreme conditions. The testing machine integrates an external force detection device, a fire resistance detection device and a water resistance detection device, and the fire resistance, the water resistance and the external force resistance of the cable are tested by simulating fire and water immersion environments. The test cabinet is provided with a transparent observation cover, thereby facilitating the real-time monitoring of the test process, guaranteeing the accuracy and reliability of the test, and improving the safety and stability of the photovoltaic system.
Owner:ZHEJIANG LIZHOU CABLE

A cardboard bursting strength testing device

This utility model discloses a paperboard bursting strength testing device, comprising: a base; a stamping module disposed on the base, the stamping module including a drive assembly and a stamping head, the drive assembly connecting to and driving the stamping head to move vertically; and a fixture module disposed on the base and located below the stamping module, the fixture module including a fixture block, an air suction connector, and an air blowing connector. The end face of the fixture block is used to support the paperboard, the air suction connector can be connected to an air suction pipe for adsorbing and fixing the paperboard, the middle of the fixture block is provided with a pressure groove matching the shape of the stamping head so that the paperboard sinks after being stamped by the stamping head, and the air blowing connector can be connected to an air outlet pipe for blowing air into the pressure groove to blow out the paperboard and / or paper scraps. By applying precise pressure through the stamping module, the fixture module can adsorb and fix the paperboard before stamping and blow air to clean the pressure groove residue after stamping, ensuring the repeatability of subsequent tests, thereby improving the test accuracy, efficiency, and standardization.
Owner:JIANG MEN SHI LI MING ZHU XIANG BAO PI JU YOU XIAN GONG SI

Test assembly of radio frequency amplifier

The invention discloses a radio frequency amplifier testing assembly, and relates to the technical field of radio frequency amplifier testing, and the radio frequency amplifier testing assembly comprises an automatic feeding and conveying assembly which is installed at the side end of a front end bottom noise detection assembly through a supporting framework and is used for forming constant-speed conveying operation according to the detection speed, under the cooperation of the integrated detection assembly, the dynamic balance adjustment assembly and the front-end ground noise detection assembly, the universality and the production efficiency of equipment are improved, the ground noise detection function and the radio frequency signal detection function are further integrated, the overall performance and the data accuracy of the test system are improved, synchronous detection of multiple parameters is achieved, and the test efficiency is improved. Compared with the prior art, the method has the advantages that the trouble of frequently replacing detection connection lines and adjusting instrument settings in the traditional test is avoided, the operation process is further simplified, the risk of manual operation errors is reduced, the method can automatically adapt to the change of input and output impedance and working frequency, time waste and operation complexity caused by the calibration process are reduced, and the test efficiency is improved.
Owner:SUZHOU TALENT MICROWAVE INC

Test device and test system applicable thereto

ActiveCN224596921Uaccurate measurementSolve the problem of false heightMechanical engineeringTest set
The application provides a test device and a test system suitable for the test device. The test device comprises: a current probe sequence comprising a plurality of current probe rows extending along a first direction and sequentially and spacedly distributed along a second direction; and a voltage probe sequence comprising at least two voltage probe rows extending along the first direction and spacedly distributed along the second direction. The voltage probe sequence comprises a first voltage probe row, and the current probe sequence comprises a first current probe row and a second current probe row located on both sides of the first voltage probe row and closest to the first voltage probe row. The first current probe row and the first voltage probe row have a first spacing, and the second current probe row and the first voltage probe row have a second spacing. The ratio of the first spacing to the second spacing is not greater than 1 / 2. The test device can avoid the problem of a false high fill factor test result.
Owner:TRINA SOLAR CO LTD

Screw rod type two-box cold and hot impact box

The utility model discloses a screw rod type two-box cold and hot impact box, a high-temperature chamber and a low-temperature chamber are arranged up and down in a box body, and an elevator drives a transmission screw rod, so that a hanging basket (used for placing a sample to be tested) can quickly move between the high-temperature chamber and the low-temperature chamber along the vertical direction; therefore, efficient temperature shock testing of a sample is achieved, testing errors caused by unstable lifting are avoided, through the structural design, the capacity of the cold and hot shock box for rapidly switching different temperature environments is improved, various temperature conditions possibly encountered in actual use of a product can be accurately simulated, and the testing accuracy is improved. Therefore, the performance and the reliability of the product are accurately evaluated.
Owner:GUANG ZHOU CLIMATE EQUIP CO LTD

Method and device for testing in-situ expansive force of expansive rock in tunnel

The invention relates to the technical field of geotechnical engineering, and particularly discloses a method and device for testing the in-situ expansive force of expansive rock in a tunnel, and the method comprises the steps: selecting a test point, excavating a groove, and installing a force measuring system comprising at least three soil pressure gauges, two force measuring systems are used for testing the expansive force after water injection, and one force measuring system is not used for reference after water injection; a water injection system is arranged and comprises a water injection pipe, sponge, a water tank and a control valve, the water injection pipe is wound around the tested soil pressure gauge, fine sand is arranged in the water injection pipe, holes are formed in the surface for water injection, and a water outlet is reserved outside a groove; the groove is backfilled with cement mortar, and after the cement mortar is solidified into a whole, construction excavation of the counter-force system is completed; after installation is completed, the initial reading of the soil pressure gauge is firstly tested, surrounding rock is expanded through water injection of the water tank and the valve, and the reading is monitored and recorded; and finally, comparing the reading changes of the water injection point and the non-water injection point, and evaluating the surrounding rock expansive force. The test period is short, and the expansive force characteristic of the expansive rock under the in-situ condition is truly reflected.
Owner:SICHUAN SHUIFA SURVEY DESIGN & RES CO LTD

Static pressure technology-based commercial axle steering knuckle retarding force test equipment

The invention relates to the field of commercial axle steering knuckle retarding force testing, and discloses commercial axle steering knuckle retarding force testing equipment based on a static pressure technology, and the commercial axle steering knuckle retarding force testing equipment comprises a vertical loading mechanism, a gantry bearing frame, a plane guiding mechanism, a horizontal loading mechanism, a multi-degree-of-freedom static pressure rotary table and a cast iron testing platform, the commercial axle is connected with the front spherical hinge through the axle connecting tool and screws, and is used for vertical loading of the commercial axle. A layer of high-pressure oil film is formed among the piston rod, the cylinder barrel and the front cylinder cover by adopting a static pressure supporting technology, so that the piston rod is suspended in oil, the mechanical friction resistance is reduced, and the friction force borne by the steering knuckle in the testing process can be ensured to be closer to the actual use condition; the accuracy and authenticity of a test result are greatly improved, and meanwhile, the reliability of load data is further ensured by high-precision measurement of the load sensor, so that the test data is more comprehensive and accurate.
Owner:ZHONGJISIMEDIE (CHANGCHUN) TECH CO LTD

A textile color fastness testing device

The utility model discloses a textile color fastness testing arrangement relates to color fastness testing arrangement technical field, and its technical scheme is: including frame component, be equipped with test drive assembly in frame component, test drive assembly top is equipped with test movable assembly, frame component top is equipped with test pressure assembly, and the beneficial effect of a kind of textile color fastness testing arrangement is: through electric push rod in test pressure assembly provides controllable driving force, cooperate pressure sensor and pressure display to realize the real -time monitoring and accurate adjustment of friction pressure, replace traditional pressure plate deadweight pressure mode, effectively avoid the pressure fluctuation caused by mechanical vibration, sample surface unevenness etc., ensure that actual friction pressure is consistent with preset value, greatly improve the accuracy and repeatability of test result, simultaneously, operator can adjust pressure value according to different textile types quickly, need not to replace pressure plate, and operation efficiency is significantly improved.
Owner:BEJI VISION (HANGZHOU) NETWORK TECHNOLOGY CO LTD

Sampling device suitable for water vapor quality detection of power station boiler

The utility model relates to a sampling device suitable for water vapor quality detection of a power station boiler, which comprises a box body provided with moving wheels at the bottom, a sealed flow cell is arranged in the box body, a cooling assembly is arranged in the sealed flow cell, the sealed flow cell is connected with a sampling pipeline and a feeding pipeline, and the feeding pipeline is connected with the sampling pipeline. And the pipe head of the feeding pipeline is connected with a water pipe universal joint. The device has the function of collecting a water sample to be tested, can ensure the sealing performance of an instrument in the whole test process, can effectively connect various sampling pipe joints of different models on a boiler with a feeding pipeline of the device, and ensures that the temperature and the flow of the water sample to be tested meet the test requirements of the instrument in the test process of the instrument; therefore, the accuracy and effectiveness of field test results are ensured. In addition, the device meets the requirement for portable sampling in field inspection of the water vapor quality of the power station boiler, and the standardization and accuracy of the test are improved.
Owner:FUJIAN SPECIAL EQUIP TESTING RES INST

System and method for testing directivity of microphone

The microphone directivity test system is arranged in an anechoic chamber and comprises a placement table, a microphone, a microphone, a microphone, a microphone, a microphone and a loudspeaker, the sound source device is arranged on the placement table and is used for emitting sound waves; the microphone is arranged on the placing table and is used for receiving sound waves; the supporting device is arranged on the placing table and is used for movably supporting the microphone; and the calibration device is arranged on the upper side of the placement table and is used for calibrating the position of the microphone. According to the main technical scheme and the main effects, the system can accurately control the relative positions of the microphone, the sound source and the rotating seat by installing the laser and the marking line and controlling the movement of the rotating seat, the positioning accuracy of the microphone is ensured in each test, and the accuracy reduction caused by positioning errors in a traditional method is avoided.
Owner:HANGZHOU AIHUA INSTR

Press test device

The invention relates to the technical field of automatic test equipment, and provides a pressing test device, which comprises a test platform deck, a pressing mechanism, a clamping mechanism, a swing opening and closing mechanism, a lifting support mechanism and a gravity load mechanism, the test platform deck is provided with a bearing platform surface for bearing to-be-tested equipment; the pressing mechanism is arranged above the test carrying table and is used for applying test pressing force to the test carrying table; the clamping and fixing mechanism is arranged in the test platform deck and is used for clamping and fixing equipment to be tested; the swing opening and closing mechanism is arranged in the test platform deck and is used for opening and closing the to-be-tested equipment in a swing manner; the lifting support mechanism is arranged below the test platform deck and is used for supporting and jacking up the to-be-tested equipment from the test platform deck; the gravity load mechanism is arranged in the test platform deck and can adjust the position of the gravity load mechanism so as to press down the to-be-tested equipment to apply gravity load. According to the pressing test device, automatic test can be completely achieved, parameters can be accurately regulated and controlled in the test process, test errors are effectively avoided, and the requirement for test accuracy can be fully met.
Owner:LCFC HEFEI ELECTRONICS TECH

A method for testing a deep ultraviolet LED epitaxial wafer

ActiveCN116884863Bavoid destructionEnsure electrical connection
The application discloses a kind of deep ultraviolet LED epitaxial wafer test methods, comprising: using laser device, marking is carried out on the front of the deep ultraviolet LED epitaxial wafer, to expose the N-type structure of the deep ultraviolet LED epitaxial wafer and form N-type exposure point, after N-type exposure point is made N-type contact point;The front of the deep ultraviolet LED epitaxial wafer is pressed in operation, to form a plurality of P-type contact points on the deep ultraviolet LED epitaxial wafer;The deep ultraviolet LED epitaxial wafer is placed on test support, and the position of the test support is adjusted, so that the P-type contact point of the deep ultraviolet LED epitaxial wafer and the data window of integrating sphere under test support are located on the same straight line;The positive and negative poles of power supply table are connected respectively P-type contact point and N-type contact point, and after power-on, the light data is collected by the integrating sphere, and the light data is sent to host computer.The application solves the problem that N-type layer and P-type layer cannot be accurately connected in the prior art.
Owner:SUZHOU UVCANTEK CO LTD

A boring machine simulated cutting force loading device and loading method

The present invention discloses a boring machine simulation cutting force loading device and loading method, which relates to the boring machine technical field, including a mounting frame for mounting the device as a whole. The present invention realizes contactless energy transmission through a magnetic coupler, effectively avoiding the test error caused by friction and bolt influence in traditional bolt connection, and improving the accuracy and reliability of the test. Secondly, the flexibility and adjustability of the magnetic coupling component enable the device to easily adapt to boring machines of various models and specifications, enhancing the versatility and applicability. In addition, the high-precision concentricity calibration and stable connection design between the magnetic coupling component and the boring machine spindle not only reduce vibration and wear, but also extend the service life of the equipment. In summary, the magnetic coupling component, with its high-precision, contactless, flexible and adjustable characteristics, provides solid technical support for boring machine simulation cutting force loading test.
Owner:TIANJIN EXCELLENCE INTELLIGENT EQUIP MFG CO LTD

Leather color fastness testing device

The utility model discloses a leather color fastness testing arrangement, include: base, install fixed bolster, and the end of fixed bolster is installed with felt block, sliding seat, along horizontal direction sliding setting in base, the upper surface of sliding seat can place leather, and the felt block is located the top of leather and is in contact with leather, and the upper surface of sliding seat is inclined plane and extends downward to the side of base, fixed subassembly, connect in sliding seat and be used for to leather fixed, drive subassembly, install in base, and drive subassembly are used for drive sliding seat and reciprocate in the horizontal of inclination to the inclined plane upper, to drive the periodic change of friction between felt block and leather. Through the inclined plane sliding seat and drive subassembly cooperation, utilize gravity component force and horizontal reciprocating motion to make felt block and leather friction periodic change, simulate real dynamic friction scene, and then improve test accuracy and the correlation in actual use.
Owner:JIANG MEN SHI LI MING ZHU XIANG BAO PI JU YOU XIAN GONG SI

Underground coal mine flame-retardant cable copper conductor detection device

The utility model relates to the technical field of detection devices, and discloses an underground coal mine flame-retardant cable copper conductor detection device which comprises a base, an air cylinder is installed below the base, a base is installed at the bottom of the interior of the base, a sample tube base is installed above the base, a sample tube is placed on the sample tube base, and the sample tube is connected with the air cylinder. A connecting port is formed in the upper portion of the interior of the base, the connecting port upwards extends out of the base to be connected with a container type pipeline module, a pressure sensor is installed on the surface of the right face of the container type pipeline module, and an air inlet device is installed on the container type pipeline module. According to the underground coal mine flame-retardant cable copper conductor detection device, through the arrangement of the integrated container type pipeline module and the air cylinder, an instrument automatically installs a sample tube to a connecting port, operation is more convenient, meanwhile, test errors caused by manual installation of the sample tube are avoided, through an integrated container type pipeline, no pipeline connector exists between valves, and the detection efficiency is improved. Gas leakage points are reduced and a temperature field is uniform.
Owner:JIANGSU XINHAI HIGH-TECH NEW MATERIAL CO LTD

Part noise testing equipment

The utility model relates to the technical field of acoustic testing, in particular to part noise testing equipment which comprises an equipment table, a sound insulation box is installed at the top end of the equipment table, a base is fixed to the top end of the equipment table and located in the sound insulation box, and a supporting frame is fixed to the center of the surface of the base through bolts. A rotating and pressing module is arranged on one side of the surface of the supporting frame. According to the utility model, a laboratory is replaced by the soundproof box which can be integrally carried, so that mass production testing of a production line is realized; the clamping cylinder is adopted to clamp the hinge to replace manual clamping of the hinge, so that the consistency of the clamping position and the clamping force is ensured; the hinge is driven to rotate by motor rotation instead of manual drive to rotate, different rotation speed test requirements and rotation speed and angle stability can be realized, and the consistency of rotation speed and rotation angle is ensured; the device can be compatible with rotation abnormal sound tests of hinges of different sizes.
Owner:ZHUHAI BOJAY ELECTRONICS

Testing device and testing method compatible with memory alloy wire and air valve

The invention belongs to the technical field of memory alloy testing, and discloses a testing device and a testing method compatible with a memory alloy wire and an air valve. The testing device comprises a constant-temperature box, a control box arranged in the constant-temperature box, a wire testing assembly and an air valve testing platform, wherein a controller is arranged in the control box, and the wire testing assembly and the air valve testing platform are movably arranged with the box body. Wherein the wire material testing assembly comprises a detachable wire material clamping device and a wire material testing platform. At the moment, the wire material testing assembly and the air valve testing platform can be respectively or simultaneously arranged on the box body and are connected with a controller in a wiring manner, so that the performance test of a plurality of memory alloy wire materials and a plurality of / or a plurality of memory alloy air valves can be simultaneously realized through the device. The testing method is carried out based on the testing device. Therefore, the method has the technical advantages of being simple in testing process, low in testing cost and high in accuracy.
Owner:TITANIUM TECH (JIANGSU) CO LTD