1713 results about "Tensile testing" patented technology

The invention relates to the technical field of composite fiber non-woven fabric manufacturing, in particular to a composite fiber non-woven fabric tensile property testing device which comprises a base, and an n-shaped support and a limiting sliding way located under the horizontal section of the n-shaped support are fixedly installed on the upper end face of the base. And a stretching mechanism for stretching the composite fiber non-woven fabric front and back is arranged on the limiting slide way. The tensile property test of the composite fiber non-woven fabric is completed by adopting an integrated operation model of stretching, twisting and extruding, the test reliability is improved by adopting a fixing mode of combining clamping of upper and lower cambered surfaces with matching of a rubber plate, a convex block and a groove, and meanwhile, the tensile property of the composite fiber non-woven fabric is improved through plane stretching, twisting and plane stretching tests after twisting as well as downward extruding and stretching of a middle section. The composite fiber non-woven fabric tensile property testing device can simulate complex stress conditions possibly faced by the composite fiber non-woven fabric in practical application, so that the tensile property of the composite fiber non-woven fabric in multiple stress states is comprehensively evaluated, multiple testing modes are realized on a single device, and the overall testing efficiency is improved.

The invention discloses a tensile test device for a PE protective film, and relates to the technical field of protective film test.The tensile test device comprises a main machine table, a feeding mechanism is fixedly installed on the upper surface of the left end of the main machine table and used for feeding and discharging, and a detection mechanism is fixedly installed on the upper surface of the right end of the main machine table and used for conducting tensile detection on a sample. A recycling box is fixedly connected to the middle position of the upper surface of the main machine table, and a control box is fixedly installed on the right front portion of the lower surface of the main machine table. Firstly, a left air cylinder is controlled to be started to drive a left clamping plate to downwards extrude a PE protective film into an anti-falling groove I, at the moment, clamping of the left ends of a plurality of samples is effectively completed, and then a right air cylinder is controlled to be started to drive a right clamping plate to downwards extrude the samples into an anti-falling groove II; at the moment, clamping of the right ends of a plurality of samples is effectively completed, and the stability of the clamped samples can be effectively improved through cooperative use of the first anti-disengaging groove and the second anti-disengaging groove.

The invention discloses an automatic single-yarn strength tester and a test method, and relates to the technical field of textile detection equipment, the automatic single-yarn strength tester comprises a single-yarn strength tester used for testing breaking strength, breaking elongation and breaking strength indexes of a single yarn and fiber pure spinning or blended yarn; and the translation mechanism is used for translating a plurality of distributed yarns and carrying out continuous high-efficiency test operation. According to the automatic single-yarn strength tester, a connecting piece is pulled through a tension spring, then a fastening piece and a limiting block are driven to conduct limiting installation on a limiting groove in a rubber pad, the rubber pad can be rapidly replaced after being abraded, the yarn clamping stability is ensured, and the testing accuracy is ensured; the good friction force of the clamping face can be recovered by replacing the rubber pad, it is ensured that the single yarn is tightly fixed in the clamping mechanism, the single yarn cannot move due to unstable clamping in the tensile test process, it is ensured that the test can be conducted smoothly, and the result is accurate.

The invention belongs to the technical field of film tensile testing devices, and particularly relates to a plastic film tensile testing device, which comprises a detection bottom plate, the upper end of the detection bottom plate is slidably connected with two moving plates along the horizontal direction; the stretching mechanism is arranged at the upper end of the detection bottom plate and is used for driving the two moving plates to move oppositely; and the two clamping mechanisms are symmetrically arranged on the opposite sides of the two moving plates and used for clamping and fixing the plastic film, and each clamping mechanism comprises a fixing block fixedly connected to the side wall of the corresponding moving plate. By arranging the length adjusting mechanism, in the clamping process, for plastic films with different thicknesses, the downward sliding distances of the pressing block are different, so that the pressure borne by the piezoresistor below the pressing block is different, the stretching parameters of the piezoresistor can be adaptively adjusted according to the thicknesses of the films, and the clamping efficiency is improved. And the detected tensile strength of the plastic film is more consistent with the actual performance.

The invention discloses an inner blowout prevention tool nonmetal part tensile test tool and a test method thereof, and belongs to the technical field of tensile tests.The inner blowout prevention tool nonmetal part tensile test tool drives two test assemblies to conduct position exchange by switching a feeding assembly, so that a clamped sample can be smoothly located in an arc-shaped cover to conduct side tensile test operation, and the test efficiency is improved. Double-station switching type feeding operation is adopted, continuous feeding operation can be achieved in a reciprocating mode, the sample testing efficiency can be greatly improved through double-station switching type feeding, secondly, a protection plate in a switching feeding assembly can be matched with an arc-shaped cover to keep a closed machining area, the stretching safety is guaranteed, and in the rotating process of the testing assembly, the machining efficiency is greatly improved. And a rolling ball in a limiting assembly is driven to extrude the side edge of an arc-shaped cover, so that the rolling ball can push an upper second piston rod to move, the upper second piston rod can drive a third piston rod to move through hydraulic pressure, a clamping tooth plate is meshed with a third gear, the position of a stud can be locked, and therefore the clamping firmness of the sample can be effectively improved.

The present invention belongs to the field of tensile testing technology, and in particular, is a tensile strength testing device for textile fabrics, comprising a bottom plate, a support plate fixed on the top of the bottom plate, a mounting plate fixed on the top of the support plate, a stretching mechanism arranged on the mounting plate for stretching the fabric, a water tank arranged above the mounting plate, the water tank being fixed on the mounting plate through a pair of support frames, a plurality of evenly distributed water outlet pipes arranged at the bottom of the water tank, a pressing plate arranged in the water tank, a pressing rod fixed on the top of the pressing plate, a gathering groove arranged on the top of the mounting plate, and a drainage port penetrating the mounting plate arranged on the bottom wall of the gathering groove. In the present invention, the pressing plate is pushed downward by pressing the pressing rod, and the water in the water tank flows onto the fabric through the water outlet pipe, the water penetrates the fabric and drips into the gathering groove, and then flows down through the drainage port, and the water flow at the drainage port is observed. If a large water flow appears at a certain point, it means that the fabric has been torn at the corresponding position above the water flow.

The invention relates to the technical field of yarn tensile strength testing devices, and discloses a textile yarn tensile strength testing device which comprises a rack, a yarn positioning assembly is fixedly mounted on the inner side of the middle of the rack, tensile testing assemblies are slidably mounted in the two sides of the rack, and a first threaded shaft is rotatably mounted between the two opposite side walls of the rack; moving blocks matched with the stretching test assembly are installed on the two sides of the exterior of the first threaded shaft in a threaded mode, and a middle supporting pile matched with the yarn positioning assembly is rotationally arranged on the outer side of the middle of the first threaded shaft in a sleeving mode. After the structure is adopted, the device has the following advantages that a plurality of groups of yarns can be correspondingly mounted between the stretching test assembly and the yarn positioning assembly, the yarns can be stretched and subjected to strength test at the same time, the strength of the yarns is detected through the plurality of groups of tension force sensors, and data in the plurality of groups of tension force sensors are obtained at the same time; the tensile strength of the yarn can be quickly judged, and the testing efficiency is improved.

The invention provides a tension testing device for an automobile fastener wire material, and relates to the field of tension testing devices.The tension testing device comprises an indicating assembly, the indicating assembly is composed of a conversion mechanism and a displacement sensor, the testing assembly can achieve tension testing of the automobile fastener wire material, and the displacement sensor can detect the tension of the automobile fastener wire material while the tension of the material is tested; the indicating assembly can monitor the deformation degree of the material in real time, test data are comprehensive and efficient, the indicating assembly can automatically control starting and stopping of the deformation monitoring function according to the test state, and the problems that an existing tension test device for the automobile fastener wire material is single in test effect, and the tensile strength of the automobile fastener wire material is poor due to ductility of the automobile fastener wire material are solved. The problems that an existing tension testing device cannot record and monitor deformation generated by a material during testing, and testing data are not comprehensive enough are solved.

The invention relates to the technical field of pressure testing, in particular to a protective film performance testing device and a testing method thereof. The device comprises two side plates arranged on the two sides of a rack respectively; the zoning clamping mechanism is arranged on the side plate and is used for zoning clamping of the test membrane body; and the puncturing mechanism is arranged on the assembling plate and comprises first straight racks symmetrically arranged on the front sides of the two moving plates correspondingly. By arranging the partition clamping mechanism and the puncturing mechanism, partition clamping of a tested film body is achieved, the device can synchronously conduct performance testing of stretching and puncturing on the film body, the testing process is simplified, and the testing period is shortened; in the stretching test process, the puncture mechanism can be synchronously started to conduct real-time puncture test on the film body, progressive multi-point puncture is conducted through the puncture rods which are arranged in an up-down staggered mode, therefore, continuous and accurate puncture test is conducted on different positions of the same section of the protective film, and the comprehensiveness and reliability of test data are enhanced.

The invention relates to a hydrogen environment slow tensile testing machine and a control method thereof, and relates to the technical field of material performance testing. A lifting cross beam, a pressure balancing device and a clamp of the hydrogen environment slow tensile testing machine are sequentially arranged from top to bottom, a sample is installed on the clamp, the sample and the clamp are arranged in a test kettle together, an air inlet and an air outlet are formed in the test kettle, the test kettle is filled with hydrogen through the air inlet and the air outlet, and therefore the sample is subjected to a tensile test in the hydrogen environment. According to the hydrogen environment slow tensile testing machine and the control method thereof, the accuracy of a tensile test of a material in a hydrogen environment can be improved, the operation is simple, and the structural safety is high.

The invention discloses a scanning electrochemical microscope in-situ stress corrosion testing device and method, and belongs to the technical field of material stress corrosion testing, and the device comprises a base, a power transmission module, a clamping module, a corrosion module, a signal acquisition module and a scanning electrochemical microscope module. Slow strain rate stretching of a sample is achieved through a servo motor, a planetary gear speed reducer and a transmission mechanism, the clamping module is integrated with a force sensor to monitor loads in real time, the corrosion module provides a temperature-controllable corrosion environment, and the scanning electrochemical microscope module achieves electrochemical scanning of the surface of the sample. The device can synchronously obtain a load-deformation curve, corrosion morphology and microcell electrochemical information under stress-corrosion-temperature multi-field coupling, and provides an effective technical means for deeply researching a stress corrosion mechanism of a material. The method comprises the steps of sample installation, corrosion solution preparation, electrode arrangement, tensile test, electrochemical scanning and the like, and has the advantages of simplicity and convenience in operation, comprehensive data, high precision and the like.

The invention discloses a tensile testing machine for artificial leather processing and a detection process thereof, and belongs to the technical field of artificial leather processing.The tensile testing machine comprises a machine base placed above a workbench, a guide base is fixedly installed at the upper end of the machine base, a sliding way is formed in the guide base, and a motor is fixedly installed on the inner side of the machine base; a threaded rod is fixedly mounted at the output end of the motor; the sliding seat is arranged on the inner side of the sliding way in a sliding mode, a monitor is fixedly installed on the outer side of the sliding seat, and a first clamping assembly is fixedly installed at the detection end of the monitor; the second clamping assembly is fixedly mounted on the upper surface of the machine base; and the two winding pieces are elastically and rotationally mounted on the first clamping assembly and the second clamping assembly correspondingly. According to the tensile testing machine for artificial leather processing and the detection process thereof, the end part of artificial leather can be stably clamped, the detection stroke can be shortened in the detection process, meanwhile, an operator can be prevented from being hurt after the artificial leather is broken, and the use safety is high.

The invention belongs to the technical field of insulator detection equipment, particularly relates to a tension testing device for an electric porcelain insulator, and aims to solve the problem that only a radial tension test is carried out in the existing insulator tension test, and provides the following scheme: the tension testing device comprises a mainframe box, and limiting sliding rods are fixed on two sides of the mainframe box; a bottom tooth plate block is fixed to the bottom of the main machine box, a bottom tooth plate is fixed to the top of the bottom tooth plate block, an annular frame is arranged in the middle of the main machine box, and the annular frame, the limiting sliding rods on the two sides and the bottom tooth plate block at the bottom are installed in a sliding and sleeving mode. According to the invention, the locking claws lock the insulator body, in the testing process, the threaded sleeve driving motors at the two ends drive the threaded sleeve driving gears to rotate, then the tension lead screws at the two sides are driven to stretch and extrude the insulator body in the middle, and different tension tests are applied to the insulator body. The positions of the test end boxes on the two sides are adjusted to enable the insulator body to generate different bending states.

The invention relates to the technical field of textile yarn performance detection, in particular to textile yarn tensile property detection equipment and a method thereof.The textile yarn tensile property detection equipment comprises a tensile test board, a first clamping jaw installed on one side of the bottom of the tensile test board and an electric telescopic rod installed on the top of the tensile test board; therefore, when the device is used, the surface of the yarn to be stretched can be automatically cleaned in a reciprocating manner, so that a plurality of floating wool fibers and other types of impurities remaining on the surface of the yarn are automatically cleaned, the apparent diameter of the yarn is ensured, and the accuracy of measured key parameters such as elongation at break or breaking strength is ensured; the device is simple in structure and convenient to operate, accuracy and reliability of detection data are guaranteed, meanwhile, by arranging the adjusting assembly, the device can be adjusted according to the diameter of yarn, and by means of cooperative operation of the driving assembly and the collecting assembly, cleaned floating wool fibers and other types of impurities can be sucked and collected.

The invention relates to the technical field of cable performance detection, and particularly provides a cable tensile property testing device. Comprising a test bench, the test bench is provided with a cable fixing frame, and the test bench is provided with a force application assembly used for applying a vertically downward traction force; and a plurality of stretching execution mechanisms for carrying out stretching tests on the plurality of cables are fixed on the force application assembly. According to the device provided by the invention, a mode that multiple cables in the same batch and multiple test stations uniformly apply force is adopted, accidental random errors of testing are greatly reduced, flexible fitting, pressing and stretching are carried out on the cables through the stretching execution mechanism, the uniformity of stress distribution is improved, stress concentration is avoided, and the testing efficiency is improved. An anti-tilting clamping design is adopted, so that the uniformity of the test direction is enhanced; besides, the electrical performance test can be synchronously carried out while the structural performance test is carried out in the bending and stretching process, so that the test comprehensiveness is ensured.

[Problem] To provide a thermosetting adhesive sheet, the cured product of which exhibits excellent adhesive properties and dielectric properties. [Solution] A thermosetting adhesive sheet having a 10-100 µm-thick adhesive layer composed of an adhesive composition that contains component A and component B, below, wherein the cured product of the adhesive layer exhibits a breaking elongation of 350-700% and a tensile stress of 1.2-6.5 MPa when elongated by 50% in a tensile test, and exhibits a dielectric loss tangent of 0.0001-0.01 and a relative permittivity of 1.0-3.0 at 23°C, 50% RH, and 28 GHz.　Component A: A resin composition containing a styrene elastomer　Component B: An inorganic filler

The invention relates to the technical field of testing devices, and discloses a tension testing device for composite rope production, which comprises a workbench, the top of the workbench is fixedly connected with a fixed rope clamp, the top of the workbench is fixedly provided with a telescopic hydraulic cylinder, and the output end of the telescopic hydraulic cylinder is fixedly connected to a moving plate. The movable plate is fixedly provided with a tension sensor, the other end of the tension sensor is connected with the movable rope clamps, the top of the workbench is fixedly connected with the frame bodies, the number of the fixed rope clamps is three, the number of the movable rope clamps is three, and the three frame bodies are arranged on the top of the workbench in a front-and-back mode. By arranging the three fixed rope clamps and the movable rope clamp, tension detection can be carried out on the three composite ropes at the same time, by comparing tension data of the three composite ropes in different environments, errors of a single test can be effectively reduced, the test result is more representative and reliable, and therefore the accuracy of the tension test is improved.

The invention discloses a metal material biaxial load testing device and method, and relates to the field of metal sample tensile testing, the metal material biaxial load testing device comprises a cross fixed slide rail, a temperature control box, a metal sample, a fixed assembly, a tensile assembly and a transmission assembly; wherein the cross-shaped fixed sliding rail comprises two track plates, the temperature control box is arranged at the intersection of the two track plates, and avoiding openings are formed in the surfaces, in the vertical direction, of the temperature control box; the metal sample is arranged in the temperature control box, the ends of the metal sample extend out of the corresponding receding openings respectively, the fixing assembly is connected with the end, extending out of the receding openings, of the metal sample and slides on the cross-shaped fixing sliding rail, and the stretching assembly is connected with the side, away from the metal sample, of the fixing assembly and is arranged on the cross-shaped fixing sliding rail. The stretching assembly has sliding freedom in the length direction of the track plate, the transmission assembly comprises a pressure plate and a telescopic rod, one end of the telescopic rod is hinged to the face, away from the track plate, of the stretching assembly, and the other end of the telescopic rod is hinged to one face of the pressure plate. The scheme has the effect of reducing the biaxial loading cost.

The invention relates to the technical field of tension testing, and discloses an EVA adhesive film tension testing device which comprises a driving motor and a driving lead screw, a supporting plate is arranged between the tops of two stand columns, the driving lead screw is used for driving a cross beam to slide up and down, the driving motor is used for driving the driving lead screw to rotate, a testing cover is arranged on a base, and the testing cover is arranged on the base. The test cover is located below the cross beam, a connecting assembly is arranged at the bottom of the cross beam, the test cover is telescopic, the top of the test cover is detachably connected with the cross beam through the connecting assembly, the test cover is made of a high-temperature-resistant fireproof cloth material, and the test cover is communicated with a heater and an air conditioning unit through pipelines. According to the high-low-temperature tensile testing machine, the gauge length between the upper clamp and the lower clamp can be conveniently observed and adjusted before an EVA adhesive film sample is clamped, so that the testing efficiency is improved, meanwhile, tensile testing can be performed on samples with different lengths in high-temperature and low-temperature environments, and the application range of the high-low-temperature tensile testing machine is expanded.

The invention relates to the technical field of Teflon high-temperature cloth production, in particular to a detection device for Teflon high-temperature cloth production. A Teflon high-temperature cloth conveying structure for continuously conveying the Teflon high-temperature cloth is assembled on the machine body; the device has a flexible detection mode to adapt to multiple requirements, a Teflon high-temperature cloth detection structure flexibly switches a sealing pipe passage through an electromagnetic valve, medium conveying is accurately regulated and controlled according to the requirements of detection items, rapid conversion of waterproof, windproof and high-temperature-resistant detection is achieved, the same device efficiently completes multi-performance detection, stretching puncture detection is accurate and effective, and the detection efficiency is improved. The tensile test simulates real working conditions to comprehensively evaluate performance: the bidirectional screw rod is linked with the detection turntable to drive the tensile test assembly to perform multi-dimensional tensile on the high-temperature cloth. The two-way screw rod accurately regulates and controls the test distance to simulate different stress distributions, detects the annular stretching of the turntable to reproduce the stress state of a complex use scene, excites the mechanical response of the material in an omnibearing manner, accurately obtains the tensile property parameters, and deeply evaluates the applicability and durability of the material.

The invention relates to the technical field of new energy automobile tension spring testing, and discloses a new energy automobile tension spring stability detection device, which comprises a mounting bracket arranged at the top of a supporting bottom plate, a tensile test mechanism arranged on one side of the mounting bracket, and a compression test mechanism arranged on the other side of the mounting bracket. According to the new energy automobile tension spring stability detection device, a transmission gear drives a transmission rack to perform lifting adjustment, a tension spring is conveniently and stably stretched, the tensile strength of the tension spring is further tested, and a hand and a forward and backward lead screw conveniently drive four spring clamping plates to perform telescopic movement through a nut seat; the clamping diameter of a spring clamping plate is flexibly adjusted, an electric air cylinder drives a spring top plate to press downwards, the spring top plate is connected with a spring sleeve rod through a limiting round hole, the tensioning spring is conveniently limited in the spring clamping plate to be compressed, the compression deformation degree of the tensioning spring is conveniently observed, and the compression strength of the tensioning spring is conveniently tested.

The invention provides a spinning product elongation at break detection method. The spinning product elongation at break detection method comprises the following steps: a sample preparation and pretreatment step, a sample form measurement step and a mathematical modeling step; a step of calibrating tensile test equipment and setting parameters; a stretching test execution and data acquisition step; calculating and preliminarily analyzing the elongation at break; a stress and strain relation analysis step; a step of data stability analysis; an abnormal value detection and processing step; a step of result comprehensive analysis and report generation; according to the method, accurate analysis of the relationship between the yarn form and the stress and strain is realized, and the accuracy of a test result is improved; stability and abnormal value detection analysis is carried out on the data, so that the reliability and stability of the test data are ensured; and powerful support is provided for performance evaluation and improvement of the yarn. The method has feasibility and practicability, and the efficiency and accuracy of detecting the elongation at break of the spinning product can be remarkably improved.

The invention discloses a clamp for stretching of a testing machine and the testing machine, and relates to the technical field of material stretching testing. According to the technical scheme, the device is characterized by comprising two clamping blocks which are mounted in a jaw of a testing machine and are used for clamping a sample; main anti-skid teeth and auxiliary anti-skid teeth are respectively arranged on the clamping surfaces of the clamping blocks; the tooth tops of the main anti-skid teeth are provided with main biting tip ends, the tooth tops of the auxiliary anti-skid teeth are provided with auxiliary biting tip ends, and the tooth height of the main anti-skid teeth is larger than that of the auxiliary anti-skid teeth. Compared with the mode that only one kind of anti-skid teeth is arranged on the clamping face, the main anti-skid teeth and the auxiliary anti-skid teeth which are different in tooth height are combined, the biting tip ends of the main anti-skid teeth and the biting tip ends of the auxiliary anti-skid teeth are sequentially bitten into the sample, and therefore the maximum stress borne by the main anti-skid teeth can be reduced while the biting depth of the main anti-skid teeth is increased; therefore, the anti-slip teeth can be prevented from being broken and slipping, the service life is prolonged, and the anti-slip teeth can be suitable for tensile testing of a sample with the tensile strength of 1250-2200 MPa.

The invention relates to the technical field of material mechanical property testing, in particular to a modularized rubber stress relaxation testing device and method.The modularized rubber stress relaxation testing device comprises a base, a stretching assembly, a compression assembly and a force sensor, and the stretching assembly and the base are detachably connected to form a stretching testing module; according to the invention, the common base and the detachable and replaceable stretching assembly and compression assembly are adopted, so that the same set of device can be flexibly assembled into a stretching test module or a compression test module according to test requirements, and therefore, the test efficiency is improved, and the test cost is reduced. Compared with the prior art that special equipment needs to be prepared for different test modes respectively, the universality and the use flexibility of the device are improved, and the scientific research and test cost is effectively reduced.

The invention discloses a twisting device and a twisting method for testing the tensile property of a fiber multifilament, and relates to the technical field of performance testing of the fiber multifilament, the twisting device comprises a bottom plate, the upper end of the bottom plate is fixedly provided with a first side plate and a second side plate; the twisting mechanism is arranged on the first side plate and used for twisting the fiber multifilaments; the angle reference mechanism is arranged on the first side plate and connected with the twisting mechanism, and the angle reference mechanism is used for referring to the twisting turns when the twisting mechanism twists the fiber multifilaments; the fixing mechanism is arranged on the first side plate and used for fixing the clamping mechanism; the traction mechanism is arranged on the second side plate and is used for pulling the fiber multifilaments; the invention discloses a twisting method for testing the tensile property of fiber multifilaments. According to the invention, convenient twisting and tensile testing of the fiber multifilament can be realized, the testing efficiency is higher, the stability of the testing process is good, and the accuracy of the tensile strength result can be ensured.

The invention belongs to the technical field of fire extinguishing adhesive tape testing, and particularly relates to a self-induction fire extinguishing adhesive tape tensile testing mechanism which comprises a testing box, a testing table is fixedly arranged in the testing box, a movable stretching assembly is arranged on the testing table, and the movable stretching assembly is connected with a first clamping mechanism through a tension displayer; a second clamping mechanism is arranged on the test bench, the second clamping mechanism corresponds to the first clamping mechanism, a winding frame is arranged on one side of the second clamping mechanism, and a wound fire extinguishing adhesive tape is placed on the winding frame; a cutting and taking mechanism is arranged on the back of the test box and is used for cutting and taking down the tested fire extinguishing adhesive tape from the first clamping mechanism and the second clamping mechanism; according to the invention, an operator does not need to manually replace and clamp a plurality of to-be-tested fire extinguishing adhesive tape samples, so that the accuracy and the high efficiency of the tensile test of the fire extinguishing adhesive tape can be improved, and the test safety can be improved.

The invention discloses cable strength detection equipment, and belongs to the technical field of cable processing and testing, and the cable strength detection equipment comprises a base, a control host is fixedly arranged on one side above the exterior of the base, a display is arranged in the control host, a stretching mechanism is arranged at the headquarter above the exterior of the base, and the stretching mechanism carries out a tension test on a cable. A bending mechanism is arranged on the side, away from the control host, of the upper portion of the exterior of the base, the bending mechanism conducts a bending test on a cable, cable fixing frames are arranged on the upper portion of the exterior of the base, and the cable is arranged between the cable fixing frames. According to the invention, a stretching test can be carried out on a cable through the arrangement of the stretching mechanism, automatic protection can be carried out during the test, a repeated bending test or a fixed bending test can be carried out on the cable through the arrangement of the bending mechanism, the applicability of the device is improved, the cable can be tightly fixed through the arrangement of the fixed cable rack, and the test efficiency is improved. Therefore, during the testing process, the device is not easy to fall off.

The invention relates to the technical field of adhesives, in particular to a tensile test system for a structural adhesive, which is characterized in that a first sample group and a second sample group are prepared through a sample preparation unit; aiming at a plurality of sample subgroups in the sample group, standard tension test, dynamic tension test and cyclic tension test are respectively carried out through the standard test unit, the dynamic test unit and the cyclic test unit, and the data acquisition unit acquires test data in the tension test process in real time; in addition, the intelligent control unit controls the tension testing machine in the corresponding tension test through the standard tension increasing rate, the dynamic tension increasing rate and the circulating tension increasing rate; the intelligent control unit also controls the temperature of a test environment, and tension tests are carried out under different temperature conditions; the data analysis unit analyzes the tension test data to obtain a tension test result; the intelligent tension test system provided by the invention has high flexibility and adaptability, and can obtain a more accurate tension test result.

The invention discloses a protective film tensile strength detection device and method, and relates to the technical field of protective film strength detection, the protective film tensile strength detection device comprises a transverse moving mechanism and a vertical moving mechanism; an outer side mounting seat is mounted on one side of the vertical moving mechanism in a matched manner, and a laser cutter is arranged in the outer side mounting seat; according to the laser cutting device, when a cylinder rod of the double-rod air cylinder contracts, the lifting base drives the laser cutter to move upwards, in the upward moving process, an ejector rod can eject a ball in a U-shaped groove to roll, the ball generates downward pressing force on a downward pressing rod, and a transverse pressing rod arranged at the end of the downward pressing rod is pressed on a pressing cam; due to the arrangement of the rubber plate, a certain deflection allowance is formed when the buckle and the clamping column are clamped and fixed, so that the clamping of the protective film can be ensured, and the protective film is prevented from falling off during a tensile test; after the tensile test is finished, the clamping column is manually pulled towards one side, so that the clamping between the buckle and the clamping column can be released, the broken protective film can be detached, the structure is simple, and the operation is convenient.

The invention discloses a broken sample anti-adhesion and waste taking device and method under an automatic mode of a tensile testing machine, and relates to the technical field of tensile testing machines. The clamp comprises a clamp body, a horizontal pushing type driving mechanism, a clearance, a gas spring ejection mechanism, a manipulator and a control system. A gap (delta = 30mm) is reserved to form a manipulator operation window, so that the problem of failure in grabbing of the fractured sample is solved; the gas spring ejection mechanism pushes the ejection head to extend out by 3mm with the thrust of 20N, and the adhered sample is forcibly separated; the clamping force of the horizontal pushing type driving mechanism reaches 30 MPa, and the maximum opening stroke exceeds 100 mm. All the components are coordinated through a PLC, the processes of sample feeding, tensile sample breaking treatment and separation and recovery are completed, the clamping face state is detected in real time through a laser obstacle avoidance sensor, and operation safety is guaranteed. Manual intervention is eliminated, the automatic compatible defect is overcome, and the automatic testing efficiency of the tensile testing machine is improved.