313 results about "Friction test" patented technology

The invention provides a shoe sole wear resistance testing device and method.The testing device comprises a horizontal transmission assembly, an inclined transmission assembly, a vertical transmission assembly, a shoe body fixing assembly and a friction testing platform, and the horizontal transmission assembly is linearly connected to a main body support in the first direction; the inclined transmission assembly is rotationally connected to the horizontal transmission assembly in the first direction and the second direction, the vertical transmission assembly is linearly connected to the inclined transmission assembly in the third direction, the shoe body fixing assembly is arranged on the vertical transmission assembly, and the friction testing platform is linearly connected to the main body support in the third direction. Through three-dimensional motion coupling of the horizontal transmission assembly, the inclined transmission assembly and the vertical transmission assembly, a multi-degree-of-freedom motion construction of a test shoe body is constructed, then limitation of a single rotation plane of traditional equipment is broken through, continuous dynamic adjustment of a contact angle between a shoe sole and the ground is achieved, the authenticity of a test working condition is remarkably improved, and the test efficiency is improved. And the reliability of a test result is improved.

The embodiment of the invention provides a seat leather testing method and device, electronic equipment and a storage medium, and the method comprises the steps: determining a seat leather material, an opponent material, a seat foaming material and a profiling structure used by a vehicle in response to a vehicle design demand; then carrying out corresponding bonding connection treatment on the seat leather material, the opponent material, the seat foaming material and the profiling structure, and starting a friction abnormal sound tester to carry out a friction test on the seat leather material so as to determine a friction loudness value of the seat leather material; according to the method, the friction loudness value of the seat leather material is calculated, and the durability result of the seat leather material is determined according to the friction loudness value, so that the use condition of the seat leather in the whole life cycle of the whole vehicle is simulated on the friction abnormal sound tester in advance, and the possible abnormal sound problem can be accurately identified in the early stage of seat development; the situation that temporary measures with limited effects are taken in the mass production stage is avoided, the research and development cost of the whole vehicle is reduced, and the overall quality and market competitiveness of products are improved.

The invention discloses a friction testing machine and a friction testing method for an elevator traction sheave under a micro-motion working condition, and relates to the technical field of elevator traction sheave tests.The friction testing machine comprises a workbench, a traction motor and a plurality of steel wire ropes, and an output shaft of the traction motor is coaxially provided with the traction sheave; a guide wheel is rotatably arranged on the workbench, a tensioning wheel is slidably arranged on the workbench, the moving direction of the tensioning wheel is parallel to the Z-axis direction, and the central axis of the tensioning wheel, the central axis of the guide wheel and the central axis of the traction wheel are parallel to one another; a plurality of steel wire ropes are wound on the tensioning wheel, the guide wheel and the traction wheel; the tensioning wheel is further in transmission connection with a telescopic mechanism enabling the tensioning wheel to move in the Z-axis direction. A control mechanism used for controlling the traction motor to slightly move on the workbench in the Y-axis direction is further arranged on the workbench. Through a simulation test, the stress state of the traction sheave in the test process can be controlled in combination with controllable temperature, controllable stress and controllable oil supply under the micro-motion state of the traction sheave, and the abrasion state of the traction sheave is researched.

The invention relates to the technical field of steel wire rope detection, in particular to a deep sea exploration steel wire rope bending friction fatigue test device and method, a steering wheel is located at the upper end of a gap between a long wheel belt and an inner rail, a steel wire rope is attached to the arc outer wall of the steering wheel to smoothly extend, and a detection box is filled with seawater with the liquid level not higher than the lower end face of a cross beam; the long wheel belt and the inner rail are respectively provided with a wire groove, the outer diameter of the wire groove is larger than that of the steel wire rope, and a coral rock simulation layer or a rubber water belt is arranged in the wire groove. Friction is simulated through contact between the steel wire rope and the coral rock, and then bending and friction tests of the steel wire rope in a deep sea environment are simulated through reciprocating traction of the steel wire rope, so that the accuracy of simulation detection is improved, and the use safety of the steel wire rope is ensured.

The utility model relates to the technical field of color fastness testers, in particular to a dry and wet rubbing color fastness tester which comprises an equipment box body, a supporting rod is fixedly connected to the position, close to the upper side, of the front surface of the equipment box body, a friction assembly is arranged at the front end of the supporting rod, and the friction assembly comprises a first electric cylinder and an equipment shell. An electric motor is fixedly mounted in the equipment shell, a friction head is fixedly connected to the output end of the electric motor, a first connecting rod is fixedly connected to the position, close to the lower side, of the front surface of the equipment box body, a fixing table is fixedly connected to the front end of the first connecting rod, and a fixing mechanism is arranged on the surface of the fixing table; the fixing mechanism comprises a first fixing frame, a second electric cylinder and a second fixing frame; the fixing table, the first fixing frame and the second fixing frame are matched to fix the fabric, meanwhile, the first fixing frame is lifted upwards through the second electric cylinder, the fabric is supported upwards, the elasticity of the fabric in the friction process is reduced, the friction test is effectively conducted on the fabric, and the detection precision is improved.

The invention relates to the technical field of wear resistance testing, in particular to a wear resistance testing device for a wear-resistant coating, which comprises a testing box, a mounting groove is formed in the top of the testing box, a protective cover is hinged to the top of the mounting groove, and a reciprocating rotating mechanism for a rotating friction test and a reciprocating friction test is arranged on the right side of the top of the mounting groove. A swing impact mechanism used for swing impact friction is arranged on the left side of the top of the mounting groove, supporting legs are fixedly connected to the four corners of the bottom of the test box correspondingly, and a control panel is fixedly mounted on the left side of the top of the test box. According to the device, reciprocating rotary friction testing and reciprocating linear friction testing are carried out on coatings of a plurality of substrates at the same time, the abrasion resistance of the coatings in different friction states can be tested, the detection accuracy is improved, reciprocating rolling friction testing and impact testing on the coatings are achieved through the swing impact mechanism, and the testing efficiency is improved. The wear resistance of the coating in various environments can be conveniently simulated, the detection can be performed without replacing equipment, and the test efficiency is high.

The utility model discloses a rock sample friction test device which comprises a bottom plate, a first movable seat, a second movable seat, a first force sensor and a second force sensor, the first movable seat is connected to the bottom plate in a sliding mode, the first force sensor is arranged between the bottom plate and the first movable seat, and the second force sensor is arranged between the bottom plate and the second movable seat. The force sensor is used for measuring the stress of the first movable seat and the bottom plate in the relative sliding direction; the second movable seat is connected to the first movable seat in a sliding mode, the relative sliding direction of the second movable seat and the first movable seat is perpendicular to the relative sliding direction of the first movable seat and the bottom plate, and the second force sensor is arranged between the first movable seat and the second movable seat. And the force sensor is used for measuring the stress of the second movable seat and the first movable seat in the relative sliding direction. The friction test device can be used for stably and conveniently carrying out friction test on the rock sample.

The invention provides a friction and wear test device suitable for shaft seats of multiple specifications and a use method. The device comprises a test table board, an assembly type clamp, a crank-link mechanism and an oil cylinder loading system, the assembly type clamp is arranged on the test bench surface and is used for clamping the dual shaft; the dual shaft is used for mounting a shaft seat tested piece; the assembly type clamp comprises an inner side bearing base and an outer side bearing base which are both movably installed on the test bench surface. The dual shaft is rotationally connected with the crank connecting rod mechanism, so that the swing friction test of the dual shaft in the shaft seat tested piece is realized; and the oil cylinder loading system is arranged below the shaft seat tested piece and is used for providing radial pressure for the shaft seat tested piece. The distance between the inner bearing base and the outer bearing base can be adjusted through the inner bearing base and the outer bearing base which are movably mounted on the test bench surface, so that the device adapts to shaft seats with different lengths and is used for friction and wear tests of shaft seats with multiple specifications.

The invention provides a method and a device for testing the wear resistance of a self-lubricating gasket and a method for optimizing the assembly stress of a self-lubricating knuckle bearing. The method for testing the wear resistance of the self-lubricating gasket comprises the following steps: attaching the self-lubricating gasket to the surface of a substrate; a pressure load is applied to the surface of the base body attached with the self-lubricating gasket, the pressure load is determined based on preset pressure stress and the area of the surface of the base body attached with the self-lubricating gasket, and the preset pressure stress is set according to the assembly stress of the self-lubricating knuckle bearing installed on the bearing seat; and carrying out friction test on the self-lubricating gasket after the pressure load is applied, and evaluating the wear resistance of the self-lubricating gasket. According to the method, the stress condition of the self-lubricating gasket in the actual service process after the self-lubricating joint bearing is mounted on the bearing race in an interference manner can be simulated without using a finished bearing, and the influence of the assembly stress of the self-lubricating joint bearing on the wear resistance of the self-lubricating gasket can be accurately evaluated; and guidance is provided for optimization of installation and fixing process parameters and service parameters of the self-lubricating bearing.

The invention discloses a wide-temperature-range self-lubricating coating friction and wear performance evaluation method and a test system. The method comprises the following steps: preparing a sample of a self-lubricating coating on the surface of a matrix, cleaning the matrix sample and a counter-abrasion sample, carrying out friction test at multiple temperature points by adopting set parameters, recording change data of friction coefficients along with time in real time, calculating stable friction coefficients at each temperature point according to the data of the friction coefficients, and calculating the abrasion rate according to the abrasion crack condition. Therefore, accurate, reliable and repeatable coating tribological performance data can be obtained. According to the method, the change rule of the coating performance along with the temperature can be comprehensively represented, the problems that an existing test method is large in data fluctuation and cannot truly reflect the wide-temperature-range service performance are solved, and a key test basis is provided for research, development, screening and application of the high-performance self-lubricating coating.

The invention relates to the technical field of detection equipment, in particular to a textile fabric wear resistance testing device which comprises a base, a multi-unit friction mechanism and an auxiliary mechanism are arranged on the base, each unit friction mechanism comprises a pressing block inserted into the inner wall of the base in a sliding mode, and the pressing blocks are used for pressing cloth. And a mounting frame for driving the friction unit to rotate is mounted on the inner wall of the top of the pressing block. Through the arranged multi-unit friction mechanism, in the process that a mounting frame drives a grinding block and a grinding disc to revolve, the grinding block slides in a reciprocating mode in the radial direction, meanwhile, an impact rod continuously impacts cloth at the circle center, and a second gear drives the grinding disc to rotate; therefore, friction tests in different forms can be carried out on circumferential areas with different radiuses of the cloth, the test effect is greatly improved, the contingency of a detection result is prevented, and the conditions that the friction form of a detection mode in the prior art is relatively single, the detection mode is difficult to adapt to different types of cloth, and the detection effect is relatively poor are avoided.

The invention discloses an electronic component wear resistance testing machine, and relates to the technical field of electronic component testing. By arranging the abrasion testing head quick-changing mechanism, a rubber friction testing assembly, a steel wool friction testing assembly, an alcohol friction testing assembly and a standby testing assembly which are high in use frequency in the abrasion resistance testing process can be preset in advance, and the friction testing assemblies of the corresponding types can be quickly selected according to testing requirements before abrasion resistance testing is conducted on electronic elements; the positions of different types of wear-resistant test heads at different positions can be switched, compared with a traditional wear-resistant test head dismounting and replacing mode, the wear-resistant test head replacing speed is higher, the service time is shorter, operation is easy, the test piece efficiency of electronic elements can be improved, and the test efficiency of the electronic elements can be improved. The cleaning mechanism can utilize the suction power assembly to suck external air and purge high-speed flowing air to the electronic element in the test through the air nozzle, so that the effect of cleaning chippings falling off from the wear-resistant test surface of the electronic element is achieved.

The invention discloses a high-frequency reciprocating friction testing machine for simulating a high-temperature gas environment atmosphere and a testing method, and relates to the technical field of basic tribology testing of kinematic pairs under complex working conditions. The high-frequency reciprocating friction testing machine comprises a weight loading and force measuring module, a high-frequency reciprocating motion and temperature control module and a gas environment adjusting module, the weight loading and force measuring module comprises a loading mechanism lifting platform, a loading mechanism and a quick-release clamp; the loading mechanism lifting platform is connected with a loading mechanism, and a quick-release clamp is connected below the loading mechanism; the high-frequency reciprocating motion and temperature control module comprises a lower sample mounting container and a high-frequency voice coil motor module; the sample mounting container is driven by the high-frequency voice coil motor module to reciprocate; the gas environment adjusting module comprises a gas environment box and a gas tank. Multiple influence factors such as the temperature, the motion frequency, the motion stroke, the loading force and the environment atmosphere are comprehensively considered, and a reliable basic tribology test system is established for the kinematic pair under the complex working condition.

The invention provides a gas compressor blade titanium fire friction test device and test method. The gas compressor blade titanium fire friction test device is used for testing the flame retardant property of a blade sample piece of a gas compressor, and is characterized by comprising a first rotating piece, a second rotating piece and a friction piece, wherein the friction piece is arranged on the first rotating piece; the blade sample piece is assembled on the second rotating piece, and the blade sample piece and the friction piece are arranged to be opposite to each other; the first rotating part can rotate in a first direction, and the second rotating part can rotate in a second direction opposite to the first direction; in the rotating process of the first rotating piece and the second rotating piece, the friction piece makes contact with the blade sample piece, and then the blade sample piece is rubbed. The test device can better simulate the working environment of the high-pressure compressor.

The present application provides a sole wear resistance testing device and a testing method, the testing device includes a horizontal transmission assembly, an inclined transmission assembly, a vertical transmission assembly, a shoe body fixing assembly and a friction testing platform, the horizontal transmission assembly is linearly connected to the main bracket along a first direction, the inclined transmission assembly is rotatably connected to the horizontal transmission assembly around the first direction and the second direction respectively, the vertical transmission assembly is linearly connected to the inclined transmission assembly along a third direction, the shoe body fixing assembly is arranged on the vertical transmission assembly, and the friction testing platform is linearly connected to the main bracket along the third direction. Through the three-dimensional motion coupling of the horizontal transmission assembly, the inclined transmission assembly and the vertical transmission assembly, a multi-degree-of-freedom motion structure of the test shoe body is constructed, thereby breaking through the single rotation plane limitation of traditional equipment, realizing continuous dynamic adjustment of the contact angle between the sole and the ground, and significantly improving the authenticity of the test conditions and the reliability of the test results.

The utility model relates to the technical field of aircraft tire tread rubber friction test, in particular to aircraft tire multi-angle friction force detection equipment, which is provided with an angle adjusting mechanism and a friction mechanism, so that in the aircraft tire tread rubber friction test process, the material friction force can be tested in a multi-angle manner; and the detection accuracy is improved. The device comprises a lifting mechanism, the device further comprises an angle adjusting mechanism, a rotating mechanism, a rotating mechanism and multiple sets of friction mechanisms, the angle adjusting mechanism is installed on the lifting mechanism, the rotating mechanism is installed on the angle adjusting mechanism, the rotating mechanism is installed on the lifting mechanism, and the multiple sets of friction mechanisms are installed on the rotating mechanism. The lifting mechanism is used for lifting, the angle adjusting mechanism is used for adjusting angles, the rotating mechanism is used for rotating, and the friction mechanism is used for detecting.

The utility model relates to the technical field of ink friction tests, and discloses an ink abrasion resistance tester which comprises a main machine, a placing plate is fixedly installed on the outer wall of the main machine, a moving rod is fixedly assembled on the outer wall of the main machine, a fixing block is movably connected to the outer wall of the moving rod in a sleeved mode, and a weight is fixedly assembled on the top of the fixing block. And a fixed shell is fixedly mounted at the top of the placement plate, and an extension shell is fixedly mounted on the outer wall of the fixed shell. By rotating a second threaded rod, the second threaded rod drives a telescopic plate to move towards the bottom of an inclined block through a transverse plate, the inclined block is jacked up through attachment of the inclined block and the telescopic plate, then the inclined block drives a first magnet to move upwards, and at the moment, an ink sample is placed on the top of a second magnet; a telescopic plate is retracted by rotating a second threaded rod, then a first magnet is pressed downwards through a spring, the first magnet is attached to the top of the ink sample, and then the ink sample is fixed through attraction force of the first magnet and the second magnet.

The invention discloses a high-temperature friction testing device for a hydraulic slide valve. The device is composed of a valve element clamping module, a valve body mounting module, a vertical force applying module, a high-temperature heating module and a friction force applying module. The valve element clamping module is composed of a valve element, a valve element centering fixing column, a valve element fixing clamp, a valve element mounting rod and a mounting rod fixing shell. The valve body mounting module consists of an oil storage tank, an oil storage tank fixing plate and a valve body; the vertical force applying module comprises X, Y and Z three-axis guide rails driven by a motor, and pressure and friction force sensors; the high-temperature heating module surrounds the whole valve body and the valve core mounting part; the friction force applying module is driven by a motor to drive the oil storage tank to achieve axial movement of the valve body, and relative friction between the valve element and the valve body is achieved. The device can carry out friction tests of the hydraulic slide valve at different temperatures, realizes friction wear simulation of the hydraulic slide valve under multiple working conditions of oil environment, high temperature, pollution and the like, and provides data support for wear and degradation tests of the hydraulic slide valve.

The invention relates to the technical field of generator energy storage, and discloses a reduced scale test bench for testing wind friction consumption and temperature of a flywheel vacuum-pumping system, which comprises a five-axis machine tool, a flywheel reduced scale system, a vacuum-pumping device, a temperature measuring device and a force measuring device, the force measuring device is connected with the machine tool spindle and the machine tool rotary table, the flywheel reduced scale system is connected with the force measuring device, and the vacuumizing device and the temperature measuring device are both arranged on the flywheel reduced scale system. Power input and system support are provided through the machine tool spindle, and the rotating speed of the flywheel is convenient to adjust; the input torque and the bearing stress can be directly read through the rotary dynamometer at the input end and the three-way dynamometer on the base, and the wind friction test experiment principle is simple; the temperature of the cavity of the flywheel is measured through the thermocouple, the infrared thermal imager and the short-wave infrared thermometer measure the temperature of the surface of the flywheel in the rotating process through the glass window on the surface of the flywheel stator, and the temperature measurement mode is comprehensive.

The utility model discloses a copper pipe friction testing device, and relates to the technical field of copper pipe processing. The device comprises a bottom plate, electric push rods, a clamping seat and a side plate, the electric push rods are symmetrically fixed to the top of the bottom plate along the transverse center line, pressure sensors are fixed to the telescopic ends of the two electric push rods, the clamping seat is fixed to the top ends of the two pressure sensors, and a movable groove is formed in the middle of one side of the clamping seat; a matched pressing plate is movably connected into the movable groove, a side plate is fixed to the side, close to the movable groove, of the clamping base, and a pushing plate is movably connected into the movable groove between the side plate and the matched pressing plate. According to the copper pipe friction testing device, the bottom plate, the electric push rod, the clamping seat and the side plate are arranged, so that the problems that when the copper pipe friction testing device works, the copper pipe easily rotates in the radial direction to influence the testing accuracy, and the friction force of the copper pipe is inconvenient to test under different pressures are solved.

The invention relates to the technical field of fabric detection, in particular to a batch sampling detection device for children's garment fabric and a detection method thereof.The batch sampling detection device comprises a base and a control case, a friction assembly is arranged on the control case and comprises a driving motor, a rotating shaft, a balance disc and a friction head, and an output shaft is sleeved with the rotating shaft in a limiting mode; a friction head is connected to the bottom end of the rotating shaft, a supporting pipe is arranged at the lower end of the balance disc, a driven shaft is mounted in the supporting pipe, a mounting base is arranged under the friction head, an operation hole and a material assembling cavity are formed in the mounting base, and a spraying assembly is arranged on the material assembling cavity and used for driving a spray head to spray and wet the friction position of the fabric to be detected regularly; through the arrangement of the electric rotating friction testing assembly, more consistent friction force and speed can be provided, manual operation errors are reduced, through the arrangement of the spraying assembly, anti-static treatment can be carried out to a certain degree, and interference of circuits and assemblies in the instrument can be reduced.

The utility model discloses a device for testing the friction coefficient of air bag cloth. The device comprises a test board, a movable arm, a friction block and a clamping block, supporting rods are vertically arranged at the two ends of one side of the top of the testing table and penetrate through guide holes in the two sides of the clamping block, the clamping block is installed on one side of the top of the testing table in a liftable mode through sliding fit between the guide holes and the supporting rods, and a first sliding groove extending in the horizontal direction is formed in the rear side of the testing table. The bottom end of the movable arm is movably installed in the first sliding groove through a sliding connection structure, a second sliding groove extending in the vertical direction is formed in the upper portion of the front wall of the movable arm, a sliding block is slidably installed in the second sliding groove, and a lifting arm is fixedly installed at the front end of the sliding block. According to the utility model, by controlling the motion trails of the movable arm, the lifting arm and the friction block, seamless switching between precise positioning and bidirectional friction testing of a test part can be realized, operation errors and efficiency loss caused by manual adjustment are avoided, and the test efficiency and the data reliability are remarkably improved.

This invention relates to a piston ring-cylinder liner friction testing system, comprising a piston ring, a cylinder liner, a piston ring-cylinder liner fixing assembly, a piston ring-cylinder liner heating assembly, a lubricating oil supply assembly, and a power assembly. The piston ring-cylinder liner fixing assembly includes a housing, an elastic thrust rod, steel balls, a tension / compression sensor, a bracket, and a piston ring clamp. The bracket is located on the single-cylinder engine of the power assembly, and the housing is located on the bracket. An annular oil groove is provided on the inner wall of the bottom of the housing, and an oil outlet communicating with the annular oil groove is provided at the bottom of the housing. The cylinder liner is located inside the housing, with its sidewall facing the annular oil groove. The lubricating oil supply assembly includes an oil supply passage and an oil supply cap. The cap is located inside the cylinder liner, with its perimeter edges close to the inner wall of the cylinder liner. The cap has an oil supply port, providing circumferential oil supply to the cylinder liner. The testing system is located outside the single-cylinder engine, eliminating the need to modify the internal structure of the engine, thus saving costs and simplifying experimental operation.

The invention belongs to the technical field of oil and gas exploitation, and particularly relates to a performance testing device and method of an oil pipe and cable assembly for an oil and gas well, and the device achieves the active, accurate and repeatable simulation of the sag of an oil pipe through the cooperation of a first lifting mechanism, a second lifting mechanism and a self-adaptive displacement assembly. Uncontrollability caused by natural droop depending on gravity in a traditional method is overcome; through cooperation of the first displacement assembly and the adjusting assembly, rapid and accurate alignment of a friction test point and a maximum droop point and stepless accurate regulation and control of test pressure are realized, so that a cable wear resistance test result is more scientific and has higher comparability; and the measurement mechanism is combined with the second displacement assembly, so that automatic and high-precision scanning measurement of the overall deflection curve of the oil pipe is realized, and low-efficiency and inaccurate manual measurement is replaced. The whole device is highly integrated and automatic, and the test efficiency, the data consistency and the reliability are remarkably improved.

This utility model discloses a carbon brush friction test bench fixture structure, including a clamping seat for clamping carbon brushes and a fixing seat. The fixing seat includes a base plate and two side plates fixed to the upper side of the base plate. Each of the two side plates has a first through hole, and the clamping seat has a second through hole. The clamping seat is inserted between the two side plates. A clamping nut is screwed onto the threaded end of a clamping bolt after passing through the first and second through holes. The clamping seat of this utility model is rotatably and adjustablely mounted on the fixing seat via the clamping bolt, allowing for convenient adjustment of the carbon brush angle. Once the angle is adjusted, the clamping bolt is tightened, thereby fixing the clamping seat and the fixing seat.

The invention provides a plastic film wear resistance detection device, and relates to the technical field of plastic film detection, the plastic film wear resistance detection device comprises a bottom frame, a tooth pressing mechanism, a fixing mechanism, a lifting table, a friction mechanism and an adsorption mechanism, the bottom frame is provided with an unwinding piece and a winding piece, and the tooth pressing mechanism is used for pressing tooth mark lines on a plastic film roll; and the fixing mechanism is used for separating the part enclosed by the tooth mark lines from the plastic film roll and fixing the sample. The lifting table is installed on one side of the fixing frame, the friction mechanism and the adsorption mechanism are located on the two opposite sides of the lifting table respectively and can switch the relative positions, when the friction mechanism is located on the upper portion of a plastic film, a friction test is conducted on the plastic film, and the positions of the adsorption mechanism and the friction mechanism are switched after the test is completed. And the sample is adsorbed through the adsorption mechanism to judge whether the sample meets the wear-resistant requirement. According to the invention, the continuous test of the whole roll of plastic film can be realized, each sample can be conveniently detected after the test is finished, and the detection result can be conveniently and quickly obtained after the detection is finished.

The invention discloses a mechanical property comprehensive test platform, which belongs to the technical field of power system support equipment testing, and comprises a console, and a test board is arranged on the right side of the console; a clamp is arranged on the back face of the control table, and a bending resistance testing assembly matched with the clamp is arranged on the testing table. One side, close to the console, of the test board is provided with an anti-torsion test assembly I, and the right side of the anti-torsion test assembly I is provided with an anti-torsion test assembly II matched with the anti-torsion test assembly I; a multifunctional test assembly is arranged on the test board and is used for carrying out a cross arm bending resistance test and a fastener friction force test; and a tensile test assembly for testing the composite insulator is arranged on an internal groove of the test board. Different mechanical properties of different parts can be tested through one test platform, the number of test equipment is reduced, the test process is simplified, the test efficiency is improved, and the test platform has positive influences on design, manufacturing and research and development of the parts in a power system.

The utility model relates to the technical field of cloth inspecting machine friction testing, and discloses a cloth rolling and inspecting machine which comprises a cloth inspecting machine rack, one side of the cloth inspecting machine rack is fixedly connected with a discharging roller through a connecting block, the other side of the cloth inspecting machine rack is fixedly connected with two sets of first servo motors, and when a friction testing wheel is installed, the discharging roller is fixedly connected with the two sets of first servo motors. When the friction testing wheel is used, the connecting block needs to be aligned with a connecting hole in the friction testing wheel, then the limiting block is inserted into the connecting hole, the clamping ring is conical and provided with the rounded rectangular groove in the middle, and when the limiting block is inserted into the connecting hole, the diameter of one end of the clamping ring is larger than that of the other end of the clamping ring, and the end with the short diameter enters the connecting hole along with the limiting block. And the top of the rounded rectangular groove and the top of the connecting column are connected together under the action of gravity until the limiting block penetrates through the outer side of the other set of connecting blocks, the clamping ring loses limitation of the connecting hole, the limiting block and the clamping ring are combined and fixed to the other side of the connecting hole, and installation is completed.

The present invention relates to the technical field of friction and wear test, and particularly to a mating method and device for reciprocating friction and wear on a circumferential surface. The connection method of cross - crossed concentric cylinders is adopted to realize the installation of the specimen on the circumferential surface and a conventional testing machine, and then a friction pair is formed with a ring specimen or a disc specimen. When friction occurs, a reciprocating linear relative motion forms friction and wear. In the friction pair, the sample on the circumferential test surface is connected to the pin specimen fixture of the reciprocating friction testing machine through a cross - concentric adapter block and is clamped and fixed by a locking screw. The ring specimen or disc specimen for friction is connected to the testing machine by an installation table with a V - shaped positioning groove. Both the application of load and the reciprocating relative motion adopt the conventional reciprocating test method of the existing testing machine. The friction pair method and device of the present invention can solve the problem of evaluating the circumferential surface in the friction and wear test, ensure the smooth movement of the test process and the reliable contact of the specimen to be tested, and expand the application of the reciprocating friction and wear testing machine.

The invention belongs to the technical field of new material detection, and discloses an orthodontic correction arch wire friction corrosion test system, which comprises a controller, a mechanical excitation device and an electrochemical workstation, and is characterized in that the controller controls the electrochemical workstation to apply polarization pulses to form an ion sheath for neutralizing friction charges; the method comprises the following steps: firstly, carrying out mechanical damage and electrochemical response on the surface of a material, then controlling a mechanical excitation device to apply single instantaneous mechanical scratch, immediately triggering an electrochemical workstation after the scratch is finished, and recording an electrochemical relaxation transient process of spontaneous repassivation of the surface of the material in a static environment without mechanical interference. The technical problem that the dynamic repairing capacity of the material cannot be accurately evaluated due to signal aliasing in an existing continuous friction test is solved, and the obtained data is no longer a fuzzy average value but a clear dynamic fingerprint containing rich physical mechanisms.