105 results about "Torsion test" patented technology

The utility model provides a torsion test device for a damper spring of a clutch driven plate. The device specifically comprises a first rack, a second rack, a torsion loading mechanism, a transmission mechanism and a clamping mechanism. The first rack and the second rack are oppositely arranged; the torsion loading mechanism is connected with the first rack; one end of the transmission mechanism is connected with the torsion loading mechanism, and the other end of the transmission mechanism is connected with a driven disc to be detected; the clamping mechanism is connected with the second rack, a clamping space is formed in the side, facing the transmission mechanism, of the clamping mechanism and used for clamping the driven disc, and the transmission mechanism is provided with a clamping position which moves towards the side of the clamping mechanism so as to clamp the driven disc; when the transmission mechanism is located at the clamping position, the torsion loading mechanism applies torque to the driven disc through the transmission mechanism to rotate so as to carry out reliability test on the driven disc and the damper spring located on the driven disc. The problem that the reliability of the clutch driven disc, especially the pre-damping spring, is not verified in the prior art is solved.

The invention discloses an insulator quality detection device with an intelligent clamping function, and relates to the technical field of electric power equipment detection.The insulator quality detection device comprises a detection box, a driving unit, an anti-movement unit, an intelligent clamping unit and a composite insulator, and the detection box is used for installing and fixing the driving unit, the anti-movement unit, the intelligent clamping unit and the composite insulator; the driving unit is used for providing torsional force, the anti-movement unit is used for preventing axial movement of the composite insulator in the test process, the intelligent clamping unit is used for clamping the composite insulator, and after the composite insulator is clamped and fixed through the intelligent clamping unit, the torsional force is provided through the driving unit for torsion test. Through the anti-play unit, the composite insulator is prevented from axial play in the rotation process, and the situation that the axial play introduces extra friction force and changes the stress state, and consequently the measured torque value is not pure, and the test result is not accurate is avoided.

The utility model relates to the technical field of calibration tools, and discloses a calibration tool suitable for a tensile torsion test platform, the tensile torsion test platform comprises a tensile testing machine and a torsion testing machine, and the calibration tool comprises a tensile calibration tool and a torsion calibration tool. The tensile calibration tool comprises a tension bar, a tensile sensor, a first connecting flange and a second connecting flange, the torsion calibration tool comprises a torsion bar, a torque sensor, a third connecting flange and a fourth connecting flange, and the two ends of the tensile calibration tool or the two ends of the torsion calibration tool are connected with the driving end of the tensile testing machine and the driving end of the torsion testing machine respectively. Preset loads are loaded through the tensile testing machine and the torsion testing machine, detection values obtained by the tensile sensor and the torque sensor are compared with load values loaded by the tensile testing machine and the torsion testing machine, and finally the preset load value loaded by the tensile and torsion testing platform is calibrated. The method has the characteristics of accurate calibration result and convenience in operation.

A comprehensive mechanical property test board for a hinged bogie of a trackless carry-scraper relates to the technical field of mechanical property test and comprises an integrated platform which is respectively provided with a tensile compression test assembly and a torsion test assembly; the tension and compression test assembly comprises a supporting rack, a mounting side plate is fixed on the upper surface of the supporting rack, and a tension and compression loading module is telescopically arranged on the mounting side plate; the tension and compression loading module comprises a compression jacking head, and a pressure sensor is arranged on the side end face of the compression jacking head; a stretching chuck is fixed to the peripheral wall, close to the tail end, of the compression jacking head, four stretching clamping jaws are arranged on the stretching chuck in a sliding and telescopic mode, and tension sensors are arranged on the stretching clamping jaws. The test board solves the problems of dispersed test, low efficiency, manual dependence, insufficient precision, unstable platform, poor universality and the like when comprehensive mechanical property test is carried out on the hinged bogie of the trackless carry-scraper in the prior art.

The application discloses a bidirectional hydraulic feedback type tension-torsion static pressure bearing mechanism, relates to the tension-torsion test technical field, and oil is supplied to two symmetrical static pressure oil cavities through a bidirectional hydraulic feedback type throttler; during work, oil flows to the liquid inlet of two liquid inlet guide columns, and part of oil from one liquid inlet guide column flows to the oil cavity through a liquid inlet throttling hole to form pressure oil, and the other part of oil flows to the oil cavity through a liquid outlet gap to release pressure; when the bearing rotating shaft approaches a certain static pressure oil cavity, the oil pressure of the corresponding oil cavity rises, the elastic diaphragm is pushed up to the other side to be elastically deformed, the distance between the elastic diaphragm and the other liquid inlet guide column is reduced, more oil flows to the liquid inlet throttling hole, the oil pressure of the other oil cavity is raised, the elastic diaphragm is reversely pushed back, and then the bearing rotating shaft is reversely pushed back, so that the bearing rotating shaft is in a balanced state, the deviation correction operation can be automatically completed, friction is reduced, the real modal response of the measured object can be truly reflected, and the service life is prolonged.

The application discloses an industrial cable surface defect detection device, which comprises an industrial cable and a torsion detection support matched and installed outside the industrial cable, and cable storage racks are matched and placed at the left and right ends of the torsion detection support; the torsion detection support comprises a rectangular frame and a first rotating assembly fixedly installed outside the rectangular frame. The application provides an industrial cable surface defect detection device, through the arrangement of a cable surface detection assembly, after the torsion test of the industrial cable, the wear condition of the industrial cable surface can be detected through the cable surface detection assembly, and the wear condition of the industrial cable surface can be fed back in time; through the arrangement of the cable surface detection assembly, the industrial cable surface defects can also be detected, and since two detectors and the first rotating assembly are arranged, the industrial cable surface can be detected in all directions, and the industrial cable surface defect detection device is suitable for use.

The invention discloses a gear shaft static torsion test device and method, and belongs to the technical field of torque test equipment, and the gear shaft static torsion test device comprises a mounting part and a loading part; a mounting space is arranged on the mounting part and is used for mounting an accessory transmission casing; a loading disc is arranged on the loading part and is in transmission connection with a gear shaft of the accessory transmission casing; the loading part is also provided with a first pull rope and a second pull rope; one end of the first pull rope is wound on the loading disc in the circumferential direction of the loading disc, and the other end of the first pull rope extends towards one side of the loading disc in the horizontal direction; one end of the second pull rope is wound on the loading disc in the circumferential direction of the loading disc, and the other end of the first pull rope extends towards the other side of the loading disc in the horizontal direction. The gear shaft of the accessory transmission casing can be prevented from generating additional shearing force, the accuracy and reliability of the examination result of the static torsion test are ensured, and the torque loading range during the examination of the static torsion test is expanded.

The utility model discloses a steering wheel rim torsion test fixture which comprises a support frame and at least two clamping structures, the clamping structures are arranged in a central symmetry mode, one end of each clamping structure is detachably installed on the support frame, and the other end of each clamping structure can abut against a steering wheel rim and is used for clamping and fixing the steering wheel rim. The connecting structure is mounted on one of the clamping structures and is used for being connected with an external force application device so as to test the torsional strength of the steering wheel rim; through the clamping structure, the steering wheel rim is efficiently and stably clamped and fixed, the overall universality and adaptability of the clamp are improved, the working efficiency is high, the adaptability is high, and the connecting structure provides a stable and reliable torque transmission path for the torsional strength test of the steering wheel rim; the accuracy and consistency of torque application in the test process are ensured, and the accuracy and repeatability of test data can be improved.

The utility model relates to the technical field of torsion testing, in particular to a torsion testing machine for parts, which comprises a workbench, a loading box is fixedly arranged on one side of the top of the workbench, a sliding table is slidably mounted on one side, far away from the loading box, of the top of the workbench, a screw rod is rotatably mounted at a position, corresponding to the sliding table, of the workbench, and the screw rod is movably mounted on the workbench. One end of the screw rod is provided with a moving motor, and the sliding table is fixedly provided with a force measuring box. By arranging the lifting assembly, the bearing assembly and the driving assembly, a sample shaft is fixed and supported through the supporting rollers, the height of the sample shaft is adjusted through the lifting assembly, the installation process is easier, the position of the sample shaft is conveniently adjusted in a rolling mode during clamping through the arrangement of rolling supporting of the supporting rollers, and the installation efficiency is greatly improved; meanwhile, when the height of the sample shaft is adjusted, the scales on the ruler plate can assist in adjustment, the accuracy of the position of the sample shaft is ensured, and a reliable basis is provided for subsequent torsion tests.

The present application relates to the technical field of torsion test, and discloses a camshaft torsion test device, which comprises an exhaust cam, an intake cam, a fixing base, a camshaft segment, an adapter, a first limiting piece, a second limiting piece, a connecting bolt and a nut, the camshaft segment comprises a body and a sleeve protruding from one end of the body, the exhaust cam and the intake cam are sleeved on the sleeve, the adapter is installed on the other end of the camshaft segment, the first limiting piece is used for limiting the rotation of the exhaust cam relative to the body, and the second limiting piece is used for limiting the rotation of the intake cam relative to the fixing base; the connecting bolt is threaded through the fixing base and the sleeve and is screwed with the body; the nut is screwed with the connecting bolt and is used for giving the fixing base a pre-tightening force, so that the fixing base, the intake cam, the exhaust cam and the body are tightly abutted in sequence, the adapter is connected with a torque wrench to provide a set torque value, and whether the exhaust cam and the intake cam have relatively rotated is observed to determine whether there is a use risk after installation.

The utility model relates to a clamping device for a box-shaped piece torsion test, the clamping device comprises a first clamp body, a second clamp body and a base, the first clamp body is jointed to the base at the top of the base, the first clamp body is provided with a first accommodating groove, and the second clamp body is provided with a second accommodating groove. By means of the first clamp body and the second clamp body, the two ends of the box-shaped piece to be tested can be detachably clamped in the first containing groove and the second containing groove respectively, so that the box-shaped piece can be stably and firmly fixed, the accuracy of test data of a torsion test is guaranteed, and the test efficiency is improved. And such a configuration of the clamping device contributes to rapid installation and removal of the box.

The application belongs to the technical field of cable test, and particularly relates to a cable torsion test device, which comprises a machine body, a door plate symmetrically connected to the outer wall of the machine body, a fixed lock box one and a fixed lock box two oppositely arranged in the machine body, an ultrasonic detector fixedly installed on the inner wall of the machine body, the ultrasonic detector arranged on one side of the fixed lock box one and the fixed lock box two, and a shaft block arranged between the fixed lock box one and the fixed lock box two. One end of the cable is inserted into the fixed lock box one through the block, the blocks in the groove box are pushed and extruded to move on the limited slide rod, when the one end of the cable is fixed in the fixed lock box one, the blocks are always adhered to the outer wall of the cable through the elastic pushing of the reset spring, then the shaft block is pushed to move to the fixed lock box two outside the cable, the blocks in the shaft block are elastically pushed to perform the smoothing operation on the surface of the cable, so that the surface of the cable is smoothed.

The utility model discloses a sheet metal cover mounting production line of a linear motor stator, which is characterized by comprising a material basket lifting assembly, a feeding device, a torsion test device, a wiping device, a dispensing device, a sheet metal mounting device, a height detection device and a discharging device, the feeding device, the torsion testing device, the wiping device, the dispensing device, the sheet metal pasting device, the height detecting device and the discharging device are sequentially arranged in the first direction, and the bottoms of the devices are each provided with a machine table. The torsion test equipment, the wiping equipment, the dispensing equipment, the sheet metal pasting equipment and the height detection equipment are all provided with corresponding assembly lines and are used for transferring magnetic plates; a plurality of procedures such as feeding, torsion testing, wiping, dispensing, mounting, height detecting and discharging are integrated into a whole, a complete automatic production line is formed, manual intervention is reduced due to the integrated design, the production efficiency and the stability of product quality are improved, and the problems of errors and low efficiency caused by manual operation are solved.

The utility model relates to screw torsion test technical field discloses a kind of fall-resistant screw torsion testing devices, including bottom plate, the top of the bottom plate is equipped with the screw torque tester that can carry out torsion test to fall-resistant screw, the top of the bottom plate is equipped with the substrate that can assist fall-resistant screw to carry out torsion test, the top of the substrate is equipped with the thread hole that is compatible with fall-resistant screw, the four corners of the substrate are equipped with the limiting plate for limiting substrate position, each the limiting plate is fixedly installed with bottom plate;By setting positioning assembly and drive component, can accurately position substrate each time, improve the accuracy of test result, while drive component can simultaneously drive all positioning assembly, convenient to operate, improve test efficiency;The setting of limiting rod and spring can make positioning assembly stable sliding and automatic reset, ensure normal use of device.

The application relates to the technical field of test fixtures, in particular to a torsion test fixture and a torsion test device. The torsion test fixture comprises a base, a pressing block and a torsion bar. The base is used for placing a to-be-tested piece. The pressing block is fixed to the base to press a first component of the to-be-tested piece against the base. The pressing block is provided with a first opening to expose a second component of the to-be-tested piece. One end of the torsion bar is used for being fixed to a rotating shaft of a torsion machine. When the torsion test fixture is in operation, the other end of the torsion bar extends into the first opening and is sleeved on the second component. Under the driving of the rotating shaft, the torsion bar drives the second component to rotate relative to the first component. The torsion test fixture can assist riveting products in adapting to general torsion machines, and can improve the convenience, precision and efficiency of general torsion machines in testing riveting products.

The application discloses a kind of friction plate product grade anti-sliding performance torsion test equipment, it is related to wind power generation technical field;Friction plate product grade anti-sliding performance torsion test equipment second clamping piece is rotatable relative to first clamping piece around vertical direction axis;Pressing device is used to apply vertical downward pressing force to second clamping piece;Loading device is used to apply push-pull force to second clamping piece;Detection device is used to detect the pressure information, push-pull force information and displacement information of second clamping piece;Data processing device is used for data processing according to received information.The friction plate product grade anti-sliding performance torsion test equipment provided by the application can be used to simulate the pressure and torsion force suffered by the to-be-tested product under actual use state, and the product application level performance parameters can be obtained to better guide the design optimization related to the to-be-tested product.

The invention provides a surveying and mapping method for a critical shear stress-temperature phase diagram of a tubular NiTi shape memory alloy, which comprises the following steps: heating a NiTi thin tube to a temperature above an austenite phase change end temperature Af to realize complete austenitizing, and keeping constant temperature under a plurality of temperature gradients to enable the NiTi thin tube to be in a hyperelastic state; under each constant temperature condition, carrying out a torsion test on the NiTi thin tube, and loading the NiTi thin tube to a predetermined unified maximum shear strain at each temperature to obtain a corresponding hyperelastic shear stress-shear strain curve at each temperature; reversely determining martensite start, martensite end, austenite start and austenite end critical shear stress at each temperature based on the geometrical characteristics and differential characteristics of each shear stress-shear strain curve; linear fitting is conducted on the four critical shear stresses corresponding to all the temperatures and the test temperature, the linear relation between the critical phase change shear stress of the NiTi thin tube and the environment temperature is constructed, and a critical shear stress-temperature phase diagram is generated.

This invention discloses a textile toughness testing device, relating to the field of textile equipment technology. The invention includes a testing platform with a positioning mechanism on its top. The positioning mechanism includes a rotating column on the top of the testing platform, a fixed plate mounted on one side of the rotating column, and a telescopic tube mounted on one side of the fixed plate. The invention uses a drive motor to rotate the rotating column, and with the sliding guide of the convex groove and the moving shaft, achieves horizontal displacement of the moving shell, completing the horizontal tensile test of the fabric. Simultaneously, the contact between the arc-shaped toothed plate and the baffle pushes the first gear to drive the rotating shaft and the second clamping plate to rotate, achieving the fabric torsion test. The entire process requires no additional power source; both tensile and torsional tests can be completed using only the same drive component, simplifying the equipment structure, reducing manufacturing costs, and enabling sequential horizontal and torsional tensile tests on the same fabric, resulting in more comprehensive test data.

The utility model discloses a high-precision torsion testing machine, and relates to the technical field of torsion machines. The device comprises a workbench, a fixing frame is fixedly connected to the top end of the workbench close to the center of one side, a sliding groove is formed in the top end of the workbench close to the center of the other side, and a sliding block is slidably connected to the top end of the workbench and located at the sliding groove. A scale ring is fixedly connected to the center of the side end, close to the sliding block, of the fixing frame, a rotating disc is rotationally connected to the side end, located in the center of the scale ring, of the fixing frame, and clamps are symmetrically and fixedly connected to the opposite ends of the rotating disc and the sliding block. According to the utility model, the torsion angle data of the sample can be intuitively obtained by starting the electric cylinder and the motor and under the mutual cooperation of the rotating disc, the clamp, the pointer and the scale ring, and compared with a high-precision measuring instrument, the torsion angle measuring device is relatively low in maintenance difficulty.

The utility model provides a sealing cover torsion test auxiliary device which comprises a base, an installation cavity with an upward opening is formed in the base, a sealing cover can be installed in the installation cavity, a positioning structure is arranged in the installation cavity, and when the sealing cover is installed in the installation cavity through the opening, the sealing cover can be installed in the installation cavity through the positioning structure. And the positioning structure is matched with the sealing cover, so that the rotation of the sealing cover in the mounting cavity is limited through the positioning structure. The sealing cover is placed in the mounting cavity of the base, and the sealing cover is positioned through the positioning structure of the base, so that the situation that the sealing cover is clamped in the torsion testing device to cause deformation and influence the testing result can be avoided, and the situation that the detection efficiency is influenced by repeatedly fixing the sealing cover when the cover loosening force is relatively large is also avoided; and the accuracy of the tightness test result of the sealing cover is ensured.

The utility model relates to the technical field of reinforced concrete beam torsion test supports, in particular to a reinforced concrete beam torsion test support which comprises two underframe assemblies, the upper ends of the underframe assemblies are detachably connected with a bearing plate, the upper end of the bearing plate is provided with a ball assembly, the upper end of the ball assembly abuts against a steel plate piece, and the upper end of the steel plate piece abuts against a steel plate. A torsion support abuts against the upper end of the steel plate piece, a clamping mechanism is installed at the upper end of the torsion support, and a rolling shaft is arranged in the clamping mechanism. The vertical load is converted into the torque through a more economical and reasonable method, the size design needs to meet the requirement that the circle center of a rotating arc coincides with the centroid of the beam section, it is guaranteed that the test beam is in a pure torsion state all the time in the loading process, meanwhile, the test piece can freely stretch out and draw back in the long-axis direction, and the test efficiency is improved. The test device can be adjusted according to the size of the beam, is more flexible and portable, and can be installed manually.

The application relates to the technical field of pneumatic detection, and discloses an electrical automation test bench, which comprises a rack, a driving piece for providing test power, and a detection piece for diversified testing of different types of electrical parts; the detection piece comprises a torsion piece, a rotation test piece and a stretching test piece; the torsion piece comprises a fixing frame fixed on the rack, a positioning sheet arranged on the fixing frame, a pressing sheet arranged below the positioning sheet, an electrical torsion test part arranged between the pressing sheet and the positioning sheet, and a swing arm arranged below the pressing sheet and in transmission connection with the driving piece. The electrical automation test bench can uniformly and synchronously detect different types of electrical parts through various test environments, and finally improves the overall applicability of the test rack and the test efficiency of the electrical parts.

This invention discloses a torsion angle measuring device for torsion testing, comprising a specimen and an encoder. The encoder's rotating shaft is coaxially connected to the specimen via a connecting frame, enabling the rotating shaft to rotate coaxially with the specimen. The encoder is configured to acquire the torsion angle signal of the specimen through the rotation of the rotating shaft. This invention, by directly connecting the encoder's rotating shaft coaxially with the specimen, effectively eliminates errors in traditional indirect measurements, facilitating in-situ high-precision measurement of the torsion angle. This direct connection significantly improves the measurement sensitivity for small torsional deformations, accurately capturing minute angular changes in the specimen as it approaches its fatigue limit. Simultaneously, it simplifies the measurement process, avoids signal attenuation and interference during transmission, and ensures that the obtained torsion angle data more accurately reflects the initiation and development of cracks within the specimen.

The utility model discloses an insulating sleeve torsion testing machine, the right side of a torsion assembly is provided with a moving assembly used for moving left and right, and the left side of the moving assembly is provided with a clamping assembly used for cooperating with the torsion assembly to carry out a torsion test on an insulating sleeve. A locking assembly used for locking the protection assembly is arranged on the front side of the protection assembly. Two threaded rods I are used for controlling two clamping blocks I to clamp and fix the left end of the insulating sleeve; meanwhile, two threaded rods II are used for controlling two clamping blocks II to clamp and fix the right end of the insulating sleeve; then the cam is rotated to release the fixation of the disc II; two second sliding blocks at the bottom end of the protective cover are made to move in sliding grooves through a handle, the insulating sleeve can be protected, a locking rod penetrates through a clamping plate, a plug pin penetrates through the locking rod, the protective cover can be fixed, meanwhile, a control panel is used for controlling a rotating shaft to rotate slowly, and the safety of the insulating sleeve is improved. Therefore, the purpose of carrying out the torsion test on the insulating sleeve can be achieved.

The utility model relates to the technical field of steering wheel cam test equipment, in particular to steering wheel cam torsion test equipment, which comprises a torque wrench body and a screwdriver bit, a sleeve is fixed on the surface of a mounting seat, a spring plate is fixed on the inner wall of the sleeve, a connecting rod is movably inserted on the surface of the spring plate, a push plate is fixed at one end of the connecting rod, and the push plate is fixed on the other end of the connecting rod. A button plate is fixed at the other end of the connecting rod; the electric screwdriver has the beneficial effects that a push plate pushes a limiting rod out of a limiting hole, so that the limiting rod completely retracts into a limiting rod mounting groove, then a driving head can be pulled out from a mounting seat fixed on the surface of an old screwdriver head, then the limiting rod is completely pressed into the limiting rod mounting groove by hands again, a limiting spring is compressed, and the driving head is driven to rotate. And then the driving head is inserted into a mounting seat fixed on the surface of a new bit, one end of the limiting rod is pushed into the limiting hole again, replacement of the bit can be completed, a third-party tool is not needed in the whole replacement process, and the replacement is simple and rapid.

The utility model discloses a kind of torsion automatic testing machines, specifically related to torsion test technical field, including workbench, the top of the workbench both ends is equipped with connecting ring, the side of connecting ring is equipped with multiple extruding blocks, extruding block is equipped with extruding ring away from the side of connecting ring, the inside of accommodating groove is slidably connected with sliding plate, the top of the workbench one end is equipped with driving assembly, the top of the workbench both sides is equipped with connecting rod;The edge of the end of extruding block close to accommodating groove is fixedly connected with sliding block, the side of sliding block close to sliding plate is equipped with the tooth corresponding with the side of sliding plate;The top of the workbench side close to driving assembly is fixedly connected with mounting plate.The utility model has the advantages of convenient clamping and fixing, avoiding loose disengagement, convenient adjustment to different cable clamping and fixing.

The utility model discloses a motor gear torsion test mechanism relates to motor gear test technical field, including equipment cabinet and install torsion detection module in its inside. Torsion detection module contains frame, rotation drive motor, torsion sensor, driven pulley, torsion transmission rod and gear seat. Frame top rotation connects driven pulley, its bottom end is connected torsion sensor, and the top is through gear seat tooth groove and engages motor gear, and torsion transmission rod top second clamping groove and motor gear key groove engage and realize double positioning. Rotation drive motor is driven driven pulley and motor gear rotation through belt drive, and torsion is passed through torsion transmission rod and is detected to torsion sensor. The equipment integrated automatic feeding, shift and classification structure, has promoted test efficiency and precision, is suitable for batch motor gear torsion detection.

The invention discloses torsion testing equipment and a control method of the torsion testing equipment, and relates to the technical field of intelligent wearable equipment, the torsion testing equipment comprises a mounting rack, a positioning weighing device and a rotation testing device, the positioning weighing device comprises a positioning structure and a weighing sensor, the weighing sensor and the mounting rack are relatively fixed, and the rotation testing device is connected with the positioning structure; the positioning structure is movably installed in the vertical direction and located above the weighing sensor, the positioning structure is used for placing a to-be-detected smart watch, and in the moving stroke of the positioning structure, the positioning structure has an assembling position spaced from the weighing sensor and a weighing position making contact with the weighing sensor; the rotation testing device comprises a clamping structure and a rotation driving mechanism, the rotation driving mechanism is in driving connection with the clamping structure, the rotation driving mechanism is connected with the dynamic torsion sensor, when the positioning structure is located at the weighing position, the clamping structure clamps a knob key of the smart watch, and the clamping structure is connected with the counterweight piece. Therefore, more accurate data can be obtained based on a specific load condition.

The utility model relates to the field of testing the strength characteristic of a solid material by applying stable torsion, in particular to a torsion test tool for a three-post insulator. The three-post insulator test tool comprises a workbench, the workbench is provided with a fixing structure used for fixing a three-post insulator and keeping the axis of the three-post insulator horizontal, the workbench is further provided with a fixed pulley, and the test tool further comprises a torsion bar used for being installed in a center through hole of the three-post insulator in a rotation stopping and penetrating mode. A torsion bar is vertically installed on the torsion bar, one end of the torsion bar is used for hanging a weight, and the other end of the torsion bar is connected with a hanging rope which bypasses the fixed pulley and is used for hanging the weight. The torsion test tool can be used for applying a couple, the torsion test tool is simple and easy to implement, the couple applied by the tool is stable and can be kept for a certain time, and the detection structure can be more accurate.

The utility model relates to an automobile automatic gear shifter connecting rod torsion test mechanism, including the product fixed frock for placing product, the output end of speed reducer bottom is connected with the bottom of main shaft through synchronous belt assembly, is installed with torque sensor on the top of main shaft, torque sensor is connected with the left side bottom of the connecting block of upper side, is installed with connecting rod poking block on the right side top of connecting block, is installed with the pressure joint assembly on the top plate of product fixed frock left side. The utility model discloses through the rotation mechanism and pulls the connecting rod, can guarantee the force of pulling in the process of rotating always and the connecting rod keep perpendicular, thereby the accurate test of the size of torsion through the torsion sensor in the rotation mechanism.