26 results about "Spring Test" patented technology

This invention relates to the field of disc spring testing technology, and provides a disc spring testing device and method, comprising a frame; a pressure platform mounted on the frame for placing the disc spring to be tested; a pressure member mounted on the frame, positioned above the pressure platform, for applying axial pressure to the disc spring, the pressure member having a mounting groove with an opening facing the pressure platform; and an inner support mechanism disposed within the mounting groove, extending beyond the pressure member, capable of penetrating the inner hole of the disc spring under the influence of the pressure member, for centering support within the inner hole of the disc spring. This invention achieves coaxial positioning of the disc spring and the pressure member through the coaxial arrangement of the inner support mechanism and the centering support of the inner support member on the disc spring, solving the technical problem of positioning deviation of the positioning cylinder due to wear after long-term use in the prior art where the positioning cylinder is used to position the spring.

The utility model relates to the technical field of spring detection, and discloses a precision spring length detection device comprising a spring testing machine, the spring testing machine comprises a machine body, the machine body is slidably provided with an electric sliding seat, and the electric sliding seat and the machine body are both provided with positioning assemblies; the positioning assembly comprises a positioning disc fixedly connected with the machine body or the electric sliding base. According to the precise spring length detection device, the positioning assemblies are arranged on the movable module and the fixed module of the spring testing machine respectively, the axes of the two positioning assemblies coincide, when the spring is placed, the stop strip is inserted into the end of the spring, then the end of the spring can be temporarily limited on the stop strip, and then the spring can be fixed through mutual matching of the screw and the threaded hole in the stop strip. When the spring is fixed, the spring can be fixed, so that the two ends of the spring can be aligned in the fixing process of the spring, the whole spring is kept in a vertical state, and the accuracy degree of a subsequent length detection result is ensured.

The utility model discloses nitrogen spring pressure testing equipment, which relates to the technical field of nitrogen spring testing and comprises a testing fixing mechanism, a spring testing fixing plate is fixedly arranged on one side of the testing fixing mechanism, lateral clamping pieces are arranged on two sides of the spring testing fixing plate in a clamping manner, and the lateral clamping pieces are arranged on the testing fixing mechanism. According to the nitrogen spring testing machine, the problems that the fixing efficiency is low and the testing efficiency is low due to the fact that an existing nitrogen spring testing machine is tedious to fix the nitrogen spring are solved, the spring testing fixing plate is arranged, the guide block provides clamping guide for the sliding block, guide insertion of the nitrogen spring is achieved, and the nitrogen spring testing efficiency is improved. Through the arrangement of the lateral clamping piece, when the round frame clamping block is opened under the control of the air cylinder assembly, the inserting rod rises, the sliding block can be detached at the moment, when the round frame clamping block achieves clamping under the control of the air cylinder assembly, the inserting rod descends to clamp the sliding block, synchronous fixing is achieved, the fixing efficiency is high, and it can be guaranteed that the round frame clamping block is fixed in the center.

The invention particularly relates to a C-shaped spring axial friction force detection device and method, and belongs to the technical field of spring compression mechanical property detection. The device comprises a fixed base, the upper part of which is provided with a C-shaped spring test position; the fixed cladding tube is detachably arranged in the C-shaped spring test position and is used for accommodating the C-shaped spring and shrinking an opening of the C-shaped spring; and the upper pressing rod is used for being inserted into the fixed cladding tube and applying axial pressure to the C-shaped spring. According to the method, the device is used for detecting the axial friction force of the C-shaped spring. According to the invention, stable, reliable and effective fixation of the C-shaped spring is realized, and the C-shaped spring is ensured to be restrained to an approximately closed state at an opening position so as to simulate an actual working state of the C-shaped spring in a cladding tube, thereby realizing axial friction force detection of the C-shaped spring.

The invention discloses a disc spring high-temperature compression fatigue testing device in the field of spring testing, and the device comprises a testing machine table which comprises a testing table and supporting legs arranged at the corners of the testing table; the heating box is fixedly arranged on the test bed; the test piece fixing assembly is arranged in the heating box; the compression assembly is arranged on the test bed and penetrates through the top of the heating box, the compression assembly achieves cyclic compression on the test piece fixing assembly through a motor and a gear shifting drum structure, and the gear shifting drum structure rotates one circle to compress the test piece fixing assembly at least twice; the invention also provides a test method. The disc spring compression fatigue test device has the beneficial effects that the drum body and the compression rod are arranged, the vertical reciprocating motion of the compression rod is achieved through the guide grooves in the circumferential surface of the drum body and the guide columns on the compression rod, then the compression fatigue test of the disc spring is achieved, and compared with cam or eccentric wheel structure pressing, the compression frequency is higher, and the compression stroke is longer at the same motor rotating speed; and the disc spring is more convenient to disassemble and assemble.

The utility model relates to the technical field of spring testing, in particular to spring tensile strength detection equipment which comprises a base, a controller and an air cylinder, the controller is arranged on one side of the base, the air cylinder is arranged above the base, and a protection mechanism comprises two protection shells rotationally connected to the base. A push rod connected with the air cylinder is arranged in the protective shell, and an adjusting rod is arranged between the push rod and the protective shell. By arranging the protective shell capable of being opened and closed, when the air cylinder drives the push rod to ascend to stretch the spring, the connecting block synchronously drives the adjusting rod to close the protective shell, and when the air cylinder drives the push rod to descend to compress or reset the spring, the protective shell is driven by the adjusting rod to unfold so that workers can conveniently and rapidly install the spring, and the working efficiency is improved; the tempered glass is arranged on the surface of the protective shell, so that when the protective shell is closed, a worker can still observe the change of the spring in the protective shell, and the worker can judge the strength of the spring conveniently.

The utility model discloses an automobile steel plate spring rigidity testing device, which relates to the technical field of steel plate spring testing and comprises a base, the top end of the base is fixedly connected with a detection mechanism, the detection mechanism comprises two groups of hydraulic rods, and the top ends of the two groups of hydraulic rods are respectively and fixedly connected with a group of pressure sensors. The top ends of the two groups of pressure sensors are respectively and fixedly connected with a group of cross beams, the tail ends of the two groups of cross beams are respectively and rotatably connected with a group of rotating shafts, a rotating seat is fixedly connected between the two groups of rotating shafts, and the outer wall of the rotating seat is slidably sleeved with a pressing block. According to the utility model, by turning over the cross beam and matching with the telescopic effect of the hydraulic rod, upward pushing or downward pulling force is applied to the steel plate spring, and the performance of the steel plate spring under the condition of different installation modes of a wheel bridge is simulated through different connection positions between the pressing block and the rotating seat; therefore, the detection process and the detection result better fit the state of the steel plate spring under the actual use condition, and the detection data are richer.

The utility model relates to the technical field of spring detection, and discloses a protection device for spring manufacturing, which comprises a testboard, a guide mechanism arranged on the testboard, support legs fixedly arranged at four corners of the lower end of the testboard, a protection mechanism arranged on the testboard, the guide mechanism comprising a support column and a guide plate, the number of the supporting columns is multiple, the multiple supporting columns are fixed to the four corners of the upper end of the testing table, guide rods are fixedly arranged at the upper ends of the multiple supporting columns, the guide plate slides up and down at the upper end of the testing table, and a top plate is fixedly arranged at the upper ends of the multiple guide rods. According to the utility model, the device is simple in operation and accurate in positioning, can rapidly switch the spring test mode to ensure the later use effect of the spring, and has the protection test performance to ensure the safety of an operator, thereby improving the practicability and safety of the device.

The utility model discloses a high-voltage cable accessory spring pressure test tool at different temperatures, which belongs to the field of spring test tools and comprises a support, a force measurement assembly and an adjusting assembly, the support comprises a base and a beam which are arranged at intervals, the force measurement assembly is mounted on the base and provided with a pressure bearing portion for placing one end of a spring, and the adjusting assembly is mounted on the base. The force measuring assembly is used for displaying pressure borne by the pressure bearing part at different temperatures, the adjusting assembly comprises an adjusting screw rod and a first adjusting nut, the adjusting screw rod is installed on the cross beam, one end of the adjusting screw rod is close to the pressure bearing part and used for being sleeved with a spring, and the first adjusting nut is in threaded connection with the adjusting screw rod; when the first adjusting nut rotates relative to the adjusting screw rod, the distance between the first adjusting nut and the force measuring assembly can be changed so as to adjust the compression amount of the spring. The elastic force of different spring compression amounts can be measured, the change condition of the elastic force of the spring can be observed at different temperatures, the overall structure is simple, disassembly and assembly are convenient, and the cost is low.

The application belongs to the technical field of circuit board detection, and discloses a traceless spring test needle and a gold surface traceless test method. The traceless spring test needle comprises a needle tube, a needle head and a first spring. A first sliding groove is formed in the inner wall of the needle tube. A sliding assembly is arranged in the first sliding groove. The sliding assembly is located between the needle head and the first spring. A helical first sliding groove is arranged on the inner wall of the needle tube. The sliding assembly is embedded in the first sliding groove. The sliding assembly obtains circumferential rotation force while moving in the axial direction, and drives the needle head to rotate synchronously. The needle head rotates in a "erasing" mode when contacting the gold surface, effectively removing the surface oxidation layer or insulating stains. Compared with the traditional vertical pressing mode, the rotation mechanism can greatly reduce the contact pressure on the unit area, reduce the damage to the small welding points and wire bonding structure, and avoid the structural damage caused by local stress concentration.

The utility model discloses wave spring fatigue performance testing equipment, which relates to the technical field of wave spring fatigue performance testing and comprises a bottom box body, two longitudinal driving assemblies are symmetrically and fixedly mounted at the upper end of the bottom box body, and a transverse supporting plate is fixedly mounted at the upper ends of the two longitudinal driving assemblies. A transverse supporting plate is installed on the two longitudinal driving assemblies, a moving plate is installed on the two longitudinal driving assemblies and located below the transverse supporting plate, two connecting assemblies are installed on the transverse supporting plate in a sliding mode, and each connecting assembly is composed of an installation base plate, a first L-shaped connecting rod and a fixed magnet. According to the wave spring testing device, the tested wave spring can be blocked and protected, so that the wave spring can be prevented from being touched by an external object or sundries are prevented from falling into a gap of the wave spring when the wave spring is tested, the probability that the wave spring is accidentally influenced in the testing process is further reduced, and finally the accuracy of a wave spring testing result can be guaranteed.

The utility model relates to the technical field of spring testing, and discloses a spring fatigue testing device which comprises a working box, an observation box is arranged at the top of the working box, and a testing mechanism is arranged in the working box. According to the spring fatigue testing device, by arranging the testing mechanism, when a spring fatigue test needs to be carried out, a cover plate is unscrewed through threads, a spring is placed outside a square limiting rod, and the bottom end of the spring is rotated by several circles to enter two fixing rings, so that the bottom of the spring is fixedly mounted on the two fixing rings; then a cover plate is screwed into the top of a square limiting rod, the top of the spring is clamped into a groove in the top of a clamping plate, the top of the spring is clamped by rotating a small threaded rod, then a servo motor is started, repeated rotation is conducted through a set program, and the spring can be tested; and the maximum compression times of the spring can be tested.

The utility model relates to the technical field of spring tests, and discloses an electric large spring press-fitting testing machine which comprises a base, limiting grooves are formed in the front side and the rear side of the upper portion of the base, sliding grooves are formed in the upper portions of the limiting grooves, and protection assemblies are arranged in the limiting grooves and used for protecting a press-fitting test. A mounting frame is fixedly connected to the upper middle of the base, a display panel is fixedly connected to the front side of the upper portion of the mounting frame, a mounting block is slidably connected to the inner side of the middle of the mounting frame, mounting shafts are fixedly connected to the opposite sides of the upper portion of the mounting block, and hooks are fixedly connected to the opposite sides of the mounting shafts. An adjusting assembly is arranged at the upper middle part of the mounting frame and is used for adjusting the test tension. According to the utility model, through cooperation of the electric telescopic rod, the protective cover, the slide block, the limiting block and other structures, protection can be realized when the press-fitting testing machine carries out a press-fitting test on an electric power large spring, and the electric power large spring is prevented from being broken in the test and hurting a tester.

The utility model relates to the technical field of spring tension and compression testing machine fixtures, in particular to a spring tension and compression testing machine fixture structure convenient for fixture replacement, which comprises a spring testing machine and a test bed, the test bed is fixedly mounted in the spring testing machine, and a plurality of fixtures are arranged in the spring testing machine; the replacement detection mechanism is used for conveniently replacing the clamp and detecting the installation stability of the clamp after installation, and the replacement detection mechanism is arranged on the outer side of the clamp; wherein the replacement detection mechanism comprises a mounting frame arranged on the outer side of the clamp; when the clamp is used, the clamp can be conveniently and rapidly mounted and dismounted through the dismounting and mounting assembly, so that the clamp is very convenient to replace, the stability between the clamp and the mounting frame can be monitored in real time through the detection assembly when the clamp is mounted and used each time, and it is ensured that the clamp is not loosened or dislocated in the using process; and the test deviation or error caused by the instability of the clamp is avoided.

The invention discloses a disc spring high-temperature compression test device and a use method thereof.The disc spring high-temperature compression test device comprises a fixing mechanism and a heating mechanism, and the fixing mechanism is used for fixing a disc spring; and the heating mechanism sleeves the outer side of the fixing mechanism and provides a high-temperature environment for the fixing mechanism and the disc spring. The fixing mechanism comprises a base, a shaft rod and a top cover which are coaxially arranged; the bottom of the base is connected with a tension tester, an accommodating space is formed in the base, and an opening is formed in the top of the accommodating space; the shaft rod is placed in the accommodating space; the top cover is sleeved on the shaft rod, and the top end of the shaft rod protrudes out of the top cover and is connected with a tension tester; the top cover is detachably connected with the top of the base. Wherein the shaft rod comprises an extension rod, a plurality of disc springs, a plurality of disc springs and a plurality of disc springs, and the extension rod extends in the axial direction of the extension rod and is inserted into the disc springs; a plurality of first grooves are formed in the side wall of the extension rod so that the contact area between the extension rod and the disc spring can be reduced. The device provided by the invention is beneficial to improving the accuracy of disc spring test data.

The utility model relates to the technical field of plate spring testing equipment, and discloses a testing device for testing the fatigue of a plate spring, which comprises a bottom box, a shell fixedly mounted at the top of the bottom box, a testing mechanism arranged on the shell, two fixed seats fixedly mounted at the top of the bottom box, a sliding seat slidably mounted on the fixed seats, two U-shaped grooves and two grooves formed in the top of the sliding seat, and a clamping mechanism arranged on the U-shaped grooves, the groove is located between the two U-shaped grooves, a plate spring is arranged in the groove, and a connecting mechanism is arranged between the plate spring and the U-shaped grooves; a protection mechanism is arranged on the bottom box, and two rotating shafts are rotationally installed on the inner wall of the rear side of the bottom box. Compared with the prior art, the device has the following advantages and effects that by arranging the protection mechanism, when the stamping head descends to conduct fatigue inspection on the plate spring, the protection plate can be driven to extend upwards from the plate hole, the blocking effect can be achieved through the protection plate, and the purposes that fragments generated by fatigue fracture of the plate spring are prevented from splashing to injure people, and the safety of operators is guaranteed can be achieved.

The application relates to a disc spring life detection clamp, which comprises a counterweight base, a mounting seat is arranged on the counterweight base, a driving mechanism and a fixing seat are mounted on the mounting seat, the output end of the driving mechanism faces the fixing seat, a gland is fixedly connected to the output end, a penetrating rod mechanism for penetrating a disc spring is detachably connected to the fixing seat, one end of the penetrating rod mechanism penetrates through the fixing seat and extends into the gland, so that a detection station for accommodating and positioning a disc spring test piece is formed. The driving mechanism is used for driving the gland to perform high-frequency reciprocating motion, manual pressing is replaced, unattended continuous operation can be realized, the detection efficiency is greatly improved, and the labor intensity is reduced; mechanical driving ensures that the stroke, speed and position precision of each compression are highly consistent, human factor interference is eliminated, the test result has excellent repeatability and comparability; mechanical positioning and clamping are adopted, the process is standardized, accidental damage caused by manual operation is avoided, and the integrity of the test piece before the test and the fairness of the test are ensured.

The utility model relates to the technical field of steel plate springs, and discloses a steel plate spring testing device which comprises a detection box, a protective door is movably installed at the front end of the detection box, supporting legs are installed at the positions, close to the two sides, in the detection box, and a steel plate spring body is arranged at the top ends of the supporting legs. Pressure sensors are arranged at the joints of the supporting legs and the steel plate spring body, electric push rods are installed in the middles of the two sides of the detection box, and push rods of the two electric push rods penetrate through the detection box and are fixedly connected with limiting blocks. The detection temperature in the detection box can be adjusted as required through a hydraulic push rod and a heating pipe, and the pressure is gradually increased until the steel plate spring body is damaged, so that the ultimate strength of the steel plate spring body is conveniently measured, the steel plate spring body is prevented from being broken and splashed in the testing process, and injury to personnel is avoided; and the hydraulic push rod can be adjusted to different positions of the steel plate spring body to apply force.

The utility model discloses a spring elasticity testing tool, and belongs to the technical field of spring testing. A spring elasticity testing tool comprises a base with a support installed on the top, and further comprises a transverse plate installed on the support, a tension assembly used for stretching a spring is arranged on the transverse plate, and a lifting piece used for driving the transverse plate to do lifting motion is arranged on the support; the two protection plates are installed on the base in a sliding mode, and a driving part is arranged on the base; according to the utility model, through the cooperation of the electric telescopic rod, the transverse plate and the elastic band, the two protection plates can be synchronously driven to define a tubular space for wrapping the spring when the spring is stretched, so that the safety of the spring testing process can be greatly improved, and the damage to surrounding people and objects caused by the fracture of the spring can be avoided; and safe production of enterprises is facilitated.

The present application belongs to the technical field of detection fixture, and specifically discloses a detection fixture for spring parts, which comprises a top rod, a pressing rod arranged above the top rod and matched with the top rod in a gap, an arc clamping piece I connected with the top rod, and an arc clamping piece II connected with the pressing rod. The present application has the characteristics of effective constraint and positioning, reliability, convenient loading and unloading, quick and accurate replacement of test bodies, etc. The present application effectively improves the test reliability by effectively constraining the spring joint surface and the outer cylindrical surface for testing springs of various specifications, and by designing the temperature control section and the limiting section together. As a positioning detection fixture, the present application can quickly position the outer circle, reference surface and radial displacement of the parts, and after quick and convenient testing and replacement of the test body, the subsequent test can be directly performed without complex positioning, thereby effectively reducing the test period and improving the test accuracy and efficiency.

The utility model discloses a spiral steel spring test bed with a protective net, and belongs to the technical field of spring test beds. Comprising a test bench, and a protective net is arranged on the periphery of the test bench. The protective net comprises a connecting fixing frame arranged on the periphery of the test bed, and a net-shaped cover body is fixed to the connecting fixing frame and used for protecting impact force generated when the spiral steel spring on the test bed cracks. And a locking door is arranged on the net-shaped cover body on the front surface of the test bed. The net-shaped cover body is made of a high-strength material, has good toughness and impact resistance, and can effectively prevent impact force generated by cracking. The arrangement of the locking door is convenient for an operator to set or take away the spring, the sealing performance of the protective net in the test process is ensured, and the operation is safer and more convenient. Due to the existence of the protective net, interruption caused by safety problems in the test process is reduced, and the continuity and efficiency of the test are improved.

The utility model relates to the technical field of spring testing, and discloses a metal fitting spring tension and compression life automatic testing device which comprises a fixing plate, an electric cylinder, a programming automatic control testing module and a wire, the electric cylinder is fixedly connected to the bottom of the fixing plate, the programming automatic control testing module is arranged on the outer side of the fixing plate, and the wire is arranged on the fixing plate. The programming automatic control test module and the electric cylinder are electrically connected through a wire, two supporting columns are fixedly connected to the upper surface of the fixing plate, and a hanging plate is fixedly connected to the top ends of the two supporting columns at the same time. According to the utility model, the test spring is hung and sleeved on the rod wall of the installation hanging rod, the programming automatic control test module can carry out driving control on the electric cylinder through the lead, the electric cylinder drives the piston rod to stretch out and draw back according to an instruction, and the first pull plate can be pulled to move downwards through the connecting seat and the fixed seat to carry out stretching out and draw back processing on the test spring. Therefore, the tension and compression life test is performed, and the test effect of the test spring is ensured.

The utility model discloses a spring torsion testing machine in the field of testing machine, including the case, the frame, the controller and drive mechanism, the frame perpendicularly sets in the top of case, the controller sets up in the top of case, the top of frame is fixed with upper clamping plate, the side of frame is provided with movable lower clamping plate, upper clamping plate and lower clamping plate all are provided with the clamping assembly for clamping fixed spring, the clamping assembly includes fixed link and clamping base, one end of clamping base with fixed link is connected, one end of clamping base sets up movable clamping link, clamping base is provided with movable connecting rod, the utility model discloses a spring torsion testing machine, the V -shaped groove and the clamping tooth of clamping block inner wall setting, can effectively prevent the spring from sliding in the testing process, ensure the reliability of clamping and the accuracy of testing, be applicable to the spring test of multiple specifications, and the clamping stability is stronger.

The invention relates to the technical field of mechanical engineering and extreme environment testing, in particular to a low-temperature environment spring support hanger below-40 DEG C, a low-temperature testing device and a low-temperature testing method. The low-temperature environment spring support hanger comprises a spring testing machine and a low-temperature environment box, and a support base is fixedly installed in the low-temperature environment box; a low-temperature medium supply unit used for refrigerating the interior of the low-temperature environment box is arranged on one side of the low-temperature environment box. The spring testing machine comprises a testing rack, a pressing rod capable of moving up and down is arranged on the inner side of the testing rack, an actuating head is arranged at the end of the pressing rod, and the pressing rod is driven by a first driving mechanism to move up and down; a force and displacement sensor is integrally mounted on the actuating head; a temperature sensor is integrally mounted in the low-temperature environment box; according to the invention, a low-temperature service environment of the spring support hanger in a stress state can be truly simulated, and continuous and accurate comparison test of normal-temperature and low-temperature performance of the spring support hanger can be realized, so that the low-temperature adaptability and reliability of the spring support hanger can be scientifically evaluated.

The utility model discloses a brake spring testing device, and belongs to the field of spring testing. A brake spring testing device comprises a working table, a driving device is fixed on the upper side of the working table, a placing table is arranged on the upper side of the driving device, a first testing assembly is arranged on the inner side of the placing table, and a second testing assembly is arranged on the inner side of the placing table. The three-plate type pressure sensing module can detect and record the pressure change of the stress point at the end of the spring body in the process from being pressed to reaching the maximum compression amount or from the connecting plate to the preset position in real time, a reliable data basis is provided for analyzing key performance parameters of the spring rigidity, and the actual pressure bearing condition of the spring can be accurately judged in an assisting mode. Meanwhile, in the aspect of deformation monitoring, the overall deformation of the spring when the spring is pressed is monitored in real time by means of a visual detector, the test accuracy is ensured from different dimensions, and the problem that in the prior art, testing is not comprehensive, and consequently the braking effect is affected is solved.

The utility model discloses a spring buffer fixing structure and an impact test device, and relates to the technical field of spring test.The spring buffer fixing structure comprises a base, a plurality of abutting portions, a synchronous piece and a driving piece, the abutting portions are arranged at intervals in the circumferential direction of the base, and the synchronous piece is arranged on the base. Each abutting part is provided with an inner end facing the middle of the base and an outer end opposite to the inner end, a clamping space is defined between the inner ends of the abutting parts and used for clamping the spring buffer, the abutting parts are linearly and movably installed on the base in the inward-outward direction, and at least one of the abutting parts is arranged to be a driving abutting part. According to the technical scheme, the linkage structure is adopted, and in the actual operation process, the good fixing effect on various different types of elevator volute spiral spring buffers can be achieved. And therefore, the convenience and the safety of fixing the volute spiral spring buffer of the elevator are improved to a certain extent.