41 results about "Puncture tests" patented technology

The present invention relates to the field of pressure testing technology, and in particular to a protective film performance testing device and a testing method thereof. The device comprises: two side panels respectively arranged on both sides of a frame; a partition clamping mechanism, arranged on the side panels, for partition clamping of the test film body; a puncture mechanism, arranged on an assembly plate, and the puncture mechanism comprises a straight rack symmetrically arranged on the front side of the two movable plates. By setting up a partition clamping mechanism and a puncture mechanism, the partition clamping of the test film body is achieved, so that the device can synchronously perform a performance test combining stretching and puncture on the film body, so as to simplify the test process and shorten the test cycle; during the stretching test, the puncture mechanism will be synchronously turned on to perform a real-time puncture test on the film body, and the puncture rods with an upper and lower staggered layout will be used to perform progressive multi-point puncture, so as to perform continuous and accurate puncture tests on different positions of the same section of protective film, thereby enhancing the comprehensiveness and reliability of the test data.

The utility model belongs to the technical field of packaging bag production, and particularly relates to a packaging bag composite film puncture testing device which comprises a testing table, supporting legs are installed at the bottom end of the testing table, two through holes are formed in the upper end of the testing table, a fixing mechanism is arranged on the testing table, a top plate is installed at the upper end of the testing table, and a clamping mechanism is arranged on the top plate. Two rectangular holes are formed in the upper end of the top plate, a protection mechanism is arranged on the top plate, and a shell is installed in the middle of the bottom end of the top plate. According to the utility model, the hydraulic cylinder drives the puncture head to move downwards to carry out a puncture test, the puncture strength of the packaging bag composite film can be known through a pressure value transmitted by the pressure sensor, and the two sides of the packaging bag composite film can be positioned through the arrangement of the fixing mechanism, so that the stability of the test is ensured; and through the arrangement of the protection mechanism, the puncture head can be shielded and protected after the test of the device is completed, so that the sharp end of the puncture head is prevented from damaging foreign objects or personnel and the like, and the safety is improved.

The utility model discloses a puncture test device for a high-strength bursting-resistant food packaging film, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a pressure assembly used for a puncture test, the pressure assembly comprises a vertical working column fixedly connected with the top of the bottom plate, the top end of the vertical working column is fixedly connected with a horizontal top plate, and the horizontal top plate is fixedly connected with the bottom plate. A hydraulic rod penetrates through the surface of the horizontal top plate, the bottom end of the hydraulic rod is fixedly connected with a stabilizing plate, and the bottom of the stabilizing plate is fixedly connected with a dovetail plate. According to the piercing test device for the high-strength breakage-resistant food packaging film, the dovetail groove plate and pressure devices at the bottom of the dovetail groove plate can be directly replaced through the arrangement of the pressure assembly, and piercing tests are conducted on the packaging film through pressure tests of various shapes so that the breakage-resistant capacity of the packaging film can be determined; and the pressure device can be completely limited by the front and rear limiting sleeves, so that the working stability of the device is improved.

1. Name of the Design Product: Electronic Universal Testing Machine. 2. Use of the Design Product: Mainly used for tensile, compression, bending, shear, peeling, flexural strength, punch and puncture tests of new waterproof coiled materials, waterproof coatings, rubber materials, geotextiles, insulation boards, thermal insulation mortars, pipes or other materials, and can also be used for tensile property tests of small metal materials. 3. Design Key Points of the Design Product: Lies in the shape. 4. Picture or Photograph that Best Illustrates the Design Key Points: Perspective view. 5. The bottom surface of the Design Product is a part that is not easily seen or not seen during use, and the bottom view is omitted.

1. Name of this design product: Puncture base puncture plate kit. 2. Purpose of this design: It is used for a multi-fries puncture test and is a fixture for a texture analyzer. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design points: 3D model of Kit 1. 5. Other situations requiring explanation: Kit 1 is the puncture base, and Kit 2 is the puncture plate.

The puncture resistance test device comprises a supporting table, a supporting frame is mounted at the upper end of the supporting table, a mounting disc is rotationally connected to the inner side of the upper end of the supporting frame, and a hydraulic rod is mounted at the upper end of the mounting disc; a positioning plate is mounted at the upper end of the annular groove piece; a through groove structure is formed in the inner side of the positioning plate, a mounting plate is arranged on the upper side of the positioning plate, and a plurality of positioning needles are evenly fixed to the lower end of the mounting plate. The inner side of the mounting plate is provided with hole-shaped structures corresponding to spikes on the lower side of the puncturing mechanism. According to the puncture resistance test device provided by the invention, the puncture conditions with different densities can be simulated by arranging the positioning needles with different distribution densities, so that the puncture resistance of the fire protection clothing under different conditions can be comprehensively tested. In addition, an annular mounting groove piece in the device is matched with a filling groove, so that particulate matters can be filled in the testing process, the actual use environment is further simulated, and the testing authenticity is improved.

The invention discloses vehicle debris puncture test equipment, and relates to the technical field related to vehicle puncture. To solve the problem; the device specifically comprises a vertical track; the lifting piece slides on the vertical rail and is driven to slide through a telescopic rod I on the vertical rail; the deflection assembly is connected to the lifting piece, a puncture piece is arranged on the deflection assembly, and the deflection assembly is used for adjusting the inclination angle between the end of the puncture piece and the horizontal plane; and the fixing mechanism is positioned below the puncturing piece and is used for fixing the material to be detected. The puncture piece can be longitudinally moved through the vertical track, the puncture piece is installed and fixed through the deflection assembly, rotation of the puncture piece is achieved, then under the action of the fixing mechanism, a to-be-detected material can be fixed, and in the process, the angle between the puncture piece and the to-be-detected material can be adjusted, so that the detection accuracy is improved. Therefore, the material can be punctured from different angles, and the accuracy of the vehicle debris puncture experiment test is improved.

The puncture testing machine comprises a frame body, the bottom of the inner wall of the frame body is fixedly connected with a placing seat, the top of the frame body is fixedly connected with an electric cylinder, and the output end of the electric cylinder penetrates into the frame body. The electric cylinder drives the puncture needle to move downwards, the puncture needle drives the spring, the lifting frame and the pressing disc to move downwards, the pressing disc firstly makes contact with the working gloves, then the pressing disc stops descending, the puncture needle continues to move downwards, the puncture needle compresses the spring, elastic force generated by the spring pushes the pressing disc, and the pressing disc has downward clamping force. And after the pressing disc is matched with the placement seat to fix the labor protection gloves, the continuously descending puncture needle punctures and tests the labor protection gloves, so that the device has the advantage of rapid puncture test, the labor protection gloves are directly placed on the clamp, workers do not need to manually fix and disassemble the labor protection gloves, and the puncture test efficiency of the labor protection gloves is improved.

The invention belongs to the technical field of puncture testing, and particularly discloses a puncture testing machine for helmet processing, which comprises a guide frame body and sliding guide rods inserted into two sides of the guide frame body, a puncture column penetrates through the guide frame body, a protective base is distributed below the guide frame body, a clamping structure is arranged on the protective base, and the clamping structure is arranged on the guide frame body. The puncture column is always opposite to the clamping structure, the sliding guide rod is fixedly connected to the protective base, the guide frame is connected with a lifting structure, the upper portion of the puncture column is fixedly connected with a magnetic tube, the portion, opposite to the magnetic tube, of the guide frame is fixedly connected with an annular electromagnet, and the portion, close to the sliding guide rod, of the guide frame is provided with a clamping structure. And the lower part of the guide frame body is fixedly connected with an acoustic sensor and a distance sensor. The guide frame body in the puncture testing machine can drive the puncture column to move upwards to a proper position through the annular electromagnet, then the puncture column can do free falling motion, the puncture column can rapidly fall into the helmet, and then the puncture protection performance of the helmet is detected.

The utility model belongs to the technical field of detection equipment, and particularly relates to a waterproof coiled material puncture resistance testing device which comprises a machine case, an interaction terminal is arranged on the front face of the machine case, a testing bin is arranged in the machine case, and a bin door is arranged on the front face of the machine case. When the clamping block is separated from the inclined face of the lock frame, the second spring enables the lock frame to reset, the lock frame is clamped on the clamping block to achieve positioning of the vertical rod, and after the hemisphere at the bottom of the bottom pad is attached to the surface of the coiled material and fixes the coiled material, pressing of the pressing plate can be stopped to achieve positioning of the coiled material. When the coiled material is taken down, the ejector rod enables the lock frame to rotate and to be separated from the clamping block, at the moment, the first springs push the sliding rod upwards, so that the bottom pad is separated from the coiled material, finally, the coiled material can be taken out, a traditional positioning mode is replaced, the operation steps of fixing the coiled material and taking down the coiled material are simplified, the operation time is shortened, and the working efficiency of equipment is improved.

The utility model belongs to the field of puncture resistance of plastic films, and relates to a puncture resistance testing device of a plastic film, which comprises a bottom plate, an L-shaped support frame fixedly connected to the rear side of the upper part of the bottom plate, an electric cylinder fixedly connected to the upper part of the L-shaped support frame, a puncture testing device body fixedly connected to an output shaft of the electric cylinder, and a moving assembly arranged on the upper part of the bottom plate, a moving assembly is arranged on the base plate, a positioning assembly is arranged on the moving assembly, an environment adjusting device is fixedly connected to the upper portion of the base plate, the moving assembly comprises a moving box, the lower portion of the moving box is fixedly connected with the upper portion of the base plate, and a lead screw is movably connected to the front side of an inner cavity of the moving box through a rotating pair. When the equipment is used, the position of a plastic film can be randomly adjusted, so that multiple positions of the plastic film can be tested, and when the equipment is used for testing the plastic film, the plastic film can be positioned.

The invention provides a puncture test device for PE protective film production, and relates to the technical field of puncture test.The puncture test device comprises a support mechanism, a positioning mechanism is installed on the support mechanism, a puncture mechanism is further installed on the support mechanism, and the positioning mechanism is in driving connection with the puncture mechanism; the support mechanism comprises four supporting legs and a fixed support, through the technical scheme, the purpose is that the protruding handle is pulled to drive the sliding support to ascend and descend in the four supporting legs, the upper connecting block and the side supporting rod can be pushed to rotate with the rotating base as the center through the inclined limiting blocks on the two sides, and then the side pressing block at the upper end of the upper connecting block is driven; sliding rings are rotatably mounted on the fixing seats on the upper surfaces of the two side pressing blocks through rotating parts, so that a transverse rod can be mounted in the two sliding rings in a sliding manner, and the mounting bracket can be driven to descend through the transverse rod; and the side puncture needle on the lower surface of the mounting bracket can be used for carrying out puncture test on the edge of the PE film.

The chip puncture test equipment comprises a hoisting crown block, the hoisting crown block comprises sliding rails on the two sides, a supporting beam is connected between the sliding rails, and the supporting beam is slidably connected with a first electric hoist for hoisting puncture equipment and a second electric hoist for hoisting a frame; the puncturing equipment comprises an equipment frame, the equipment frame is connected with the first electric hoist in a matched mode, a linear motor is installed in an inner cavity of the equipment frame, and an impact hammer used for puncturing testing is installed at one end of the linear motor; the pulley drives the supporting beam to longitudinally move in the sliding rail and drives the first electric hoist and the second electric hoist to laterally move on the supporting beam, so that the longitudinal and lateral positions of the impact hammer can be freely adjusted, a to-be-tested frame can be moved, and the lifting of the impact hammer is accurately controlled through the linear motor.

The utility model relates to the technical field of medical instruments, in particular to a test tube clamping and positioning device which comprises a lead screw motor, a motor seat, a guide rail seat, a driving part A, a driving part B, a clamping jaw fixing plate A, a clamping jaw fixing plate B, a clamping jaw A and a clamping jaw B. Through a simple mechanical transmission structure, accurate clamping and positioning of a test tube are achieved, and the clamping and positioning mode is bidirectional flexible clamping. Therefore, it can be ensured that the test tube clamping and positioning device is compatible with test tubes of different sizes and clamps and positions the test tubes of different sizes, the centers of the test tubes of different sizes can be kept consistent in the front, back, left and right directions, and the test tube clamping and positioning device is simple in structure, reliable, high in repeated precision and high in practicability. The test tube clamping and positioning device can be used for clamping and positioning test tubes with different sizes, so that the application range of the test tube clamping and positioning device is widened.

The utility model relates to the technical field of polyolefin shrink film production, in particular to a polyolefin shrink film strength testing device which comprises a base, an installation roller is arranged at one end of the base, the end of the installation roller is rotatably installed on a first fixing seat, the first fixing seat is installed on the base, and a wind-up roller is arranged at the other end of the base. The ends of the winding rollers are rotationally installed on a second fixing base, the second fixing base is installed on the base, and a driving motor is further installed at one end of each winding roller and installed on the second fixing base. And a placing table is mounted at the top of the base. When the puncture strength testing device for the polyolefin shrink film is used, the two compression rollers are rotationally mounted on the two sides of the puncture needle, so that when the puncture needle falls to puncture, the compression rollers push the polyolefin shrink film to be unfolded towards the two ends by taking the through hole as the center, and the puncture needle can vertically fall on the polyolefin shrink film to carry out a puncture test; and the test precision is improved.

The vehicle debris puncture test equipment comprises a portal frame, the portal frame comprises a cross beam and stand columns on the two sides, each stand column is provided with a first containing groove and a second containing groove, a first guide rail is installed in each first containing groove, and a transversely-arranged second guide rail is connected between the first guide rails on the two sides; the impact hammer is connected with a guide rod, and the guide rod is connected with the second guide rail in a matched mode; the base is used for supporting the portal frame; the position of the impact hammer moving in the vertical direction or the transverse direction can be freely adjusted through sliding fit between the first guide rail and the second guide rail, the ascending distance of the impact hammer can be accurately controlled through the moving motor, and it is guaranteed that the impact hammer is always kept in the vertical state through the guide rod.

The utility model belongs to the technical field of test tool clamps, and particularly relates to a multi-station artificial skin puncture test tool clamp structure. According to the utility model, the cover plate, the locker and the multi-station clamp body are matched, so that the artificial skin to be tested can be stably clamped; a plurality of circular hole stations are uniformly arranged on the cover plate, and are matched with a rotating mechanism and an X-Y moving platform below the clamp table, so that a multi-station artificial skin puncture test and a puncture test at a plurality of positions of the same station can be realized. Through reasonable arrangement of the needle head fixer, the multi-station clamp body and the X-Y mobile platform, the whole structure is compact, the operation is convenient, and the test efficiency of an artificial skin puncture test can be greatly improved.

This utility model discloses a capacitor fuse puncture test device, relating to the field of electrical technology. It includes a support frame, a clamping mechanism, and a puncture mechanism. The clamping mechanism comprises a sliding plate and a clamping plate. A horizontal groove is formed on the side of the support frame. One end of the sliding plate is slidably disposed within the groove, and the clamping plate is fixedly disposed at the bottom of the other end of the sliding plate. The puncture mechanism includes a slide rail, a slide base, an air hammer, an iron nail, and an air compressor. The slide rail is horizontally fixedly connected to the support frame. The slide base is slidably connected to the slide rail. The air hammer is fixedly connected to the slide base. The iron nail is fixedly connected to the output end of the air hammer. The air compressor is connected to the input end of the air hammer. The sliding plate and clamping plate of the clamping mechanism allow for flexible adjustment according to the thickness and dimensions of the capacitor casing, eliminating limitations imposed by the casing material. Whether the capacitor casing is made of ferromagnetic metal or non-ferromagnetic metal such as aluminum, the clamping mechanism enables stable installation.

The utility model relates to the technical field of stator testing, in particular to a brushless stator puncture testing tool which comprises a main electric push rod, a clamping plate is fixedly installed at the output end of the main electric push rod, a limiting block is further arranged on the main electric push rod, a tool table is fixedly installed on one side of the clamping plate, and a main puncture mechanism is fixedly installed on one side of the tool table. The two ends of one side of the tool table are each fixedly provided with two sets of auxiliary puncturing mechanisms, and a front clamping cutter and a side clamping cutter are arranged in the main puncturing mechanism and the auxiliary puncturing mechanisms correspondingly. A main electric push rod drives a tool table to move downwards and stop at a designated position through a limiting block, then a main puncturing mechanism on the tool table moves downwards, an inclined rod makes contact with a stress rod, a clamping cutter on the inner side of an auxiliary puncturing mechanism is driven to move inwards, and therefore a positive clamping cutter and two sets of side clamping cutters are driven to be combined to fixed positions. The three varnished wires of the stator are punctured at the same time, and it is guaranteed that the paint film puncturing degree is consistent and the puncturing efficiency is improved.

The invention relates to the technical field of rubber puncture resistance, and discloses a rubber material puncture resistance testing device and evaluation method based on pavement simulation, and the evaluation method comprises the following steps: S1, sample preparation; s2, performing a puncture test; s3, extracting parameters; s4, calculating a motion state correction coefficient of the rubber sample, and performing primary correction on the puncturing energy consumption by using the motion state correction coefficient; s5, calculating a puncture speed correction coefficient of the to-be-detected probe, and performing secondary correction on puncture energy consumption by using the puncture speed correction coefficient; and S6, replacing the to-be-tested probe or the rubber sample, and repeating the steps S2 to S5 to obtain performance data under different temperatures and different puncture forms. Therefore, the puncturing energy consumption is continuously corrected twice based on the motion state correction coefficient and the puncturing speed correction coefficient of the rubber sample, the actual working condition mapping and the rate dependence are considered, the actual working condition of the tire is simulated as much as possible, and the prediction capability of a laboratory test result on the real use performance is further effectively improved.

The invention belongs to the technical field of test and measurement. The integrated film thickness, air permeability and puncture performance measurement system comprises a test platform assembly, a driving roller assembly, a driven roller assembly, a puncture test assembly, an air permeability test assembly and a thickness test assembly, and integrates three functions. The concentrated presentation of the thickness data, the air permeability and the puncture performance of the diaphragm sample is realized; through cooperation of the test platform assembly, the driving roller assembly and the driven roller assembly, automatic sample injection and sample pressing are realized, so that the flatness of a sample when the sample is pressed and lifted is ensured, the flatness of the sample is effectively ensured, and the test reliability is enhanced; a scanning function is added, bar codes of the samples can be automatically scanned, relevant information of the contained diaphragm samples is fed back to a control terminal, and test results are classified and counted.

The utility model relates to the technical field of automobile film testing, in particular to an automobile film puncture resistance testing device which comprises a supporting frame, a lifting assembly, a supporting assembly and an adjusting assembly. The lifting assembly is installed on the top of the supporting frame and extends towards the bottom end of the supporting frame, and conveying assemblies used for pressing, fixing and transporting the automobile film in the puncture test state are arranged on the two sides of the bottom end of the lifting assembly and the two sides of the bottom end of the supporting frame. The adjusting assembly is arranged in the middle of the bottom end of the lifting assembly. Pressure is applied to the automobile film through the conveying assembly, the automobile film is fixed below the puncture needle, meanwhile, the adjusting assembly drives the puncture needle to move downwards to puncture the automobile film, after a puncture test, the conveying assembly drives the automobile film to be conveyed, a puncture point moves towards one side of the puncture needle, and the automobile film is fixed. The puncture needle is prevented from repeatedly puncturing and testing the puncture stretching position, and the accuracy and reliability of the puncture resistance test of the automobile film are improved.

The utility model provides an automatic device for detection by puncturing an insulating layer by a stator, which can be used for automatically realizing alignment and wire arrangement of a motor stator and detection by puncturing the insulating layer by the stator. Automatic equipment for detecting by puncturing an insulating layer of a stator comprises a workbench and a rack, the rack is located at the lower end of the workbench and fixed to the workbench, and a through hole is formed in the workbench; the stator clamping and lifting mechanism is used for driving the stator to lift and is matched with the rack; the lead puncturing testing mechanism is used for puncturing an insulating layer of a stator lead and detecting the lead, and the lead puncturing testing mechanism is arranged on the workbench; the after-test lead cutting mechanism is used for cutting the stator lead, and the after-test lead cutting mechanism is matched with the lead puncture test mechanism; and the lead puncture testing mechanism and the after-test lead cutting mechanism are respectively positioned around the through hole in the workbench.

The present invention relates to the technical field of rock and soil strength testing, and provides a rock and soil strength testing device for geological survey engineering, including a soil puncture test module and an angle adjustment module. The soil puncture test module includes a puncture rod, a puncture head, a hydraulic drive rod, a rotating part, a sampling part and a driving part. The hydraulic drive rod and the driving part are both connected to the puncture rod, one end of the puncture rod is fixedly connected to the rotating part, and a sampling hole and a first through hole are respectively provided at both ends of a sealed cavity inside the puncture head. The rotating part is rotatably connected in the sealed cavity, the puncture rod is fixedly connected to the rotating part, and a release core in the sampling part is located in the sampling cylinder. The first rotating shaft and the push rod in the angle adjustment module are both fixedly connected to the movable frame, the push rod is plugged into the first through hole and the sampling cylinder, the first rotating shaft is connected to the mobile vehicle body, and the hydraulic drive rod and the rotating part are both connected to the movable frame. The device has the characteristics of diverse functions and high sampling efficiency.

This utility model discloses a puncture detection device for processing plastic wrap, including a detection platform. The upper end of the detection platform is slotted, and two sets of sliding blocks are slidably arranged in the slot. A tension driving device is provided in the detection platform, enabling adjustment of the left-right spacing of the sliding blocks. A pressing and fixing device is provided in each sliding block to press and fix the plastic wrap. An adjustable detection device is provided on the top of the detection platform. This utility model belongs to the field of plastic wrap detection technology, specifically solving the problems of low accuracy and inability to determine the force applied when the film is punctured in existing technologies through manual puncture tests on plastic wrap.

The utility model provides a kind of texture analyzer clamp and texture analyzer, it is related to texture analyzer technical field.The texture analyzer clamp includes the puncture plate and base being oppositely arranged, puncture plate can be close to or away from base;The side of base facing puncture plate is equipped with multiple grooves, and groove is used to accommodate food to be measured;The side of puncture plate facing base is equipped with multiple probe groups corresponding to multiple grooves one by one, each probe group includes at least three probes, and the probe in probe group is spaced distribution along the length direction of its corresponding groove;Each probe is detachably connected with puncture plate, and probe is used to puncture or extrude food to be measured in groove when puncture plate is close to base.The texture analyzer clamp can simultaneously carry out puncture test to multiple parts of multiple foods by multiple probe groups, not only can reflect sensory characteristics of at least three parts of food, and can improve the representation accuracy of the same batch food group characteristics, simultaneously probe is easy to assemble and disassemble, and is flexible to use.

The invention relates to the technical field of protective film performance testing, in particular to a protective film performance testing device. Comprising a base; the guide plates are symmetrically connected to the two sides of the base; the lifting plate is connected to the guide plate in a sliding manner; the first hydraulic cylinder is mounted in one guide plate, and a telescopic rod of the first hydraulic cylinder is connected with the lifting plate; the I-shaped frame is connected to the bottom of the lifting plate; the first lifting rod is connected to the I-shaped frame in a sliding manner; the second lifting rod is connected to the I-shaped frame in a sliding mode, and the second lifting rod is located on the outer side of the first lifting rod; the first puncture needles are connected to the bottom of the I-shaped frame at intervals. According to the invention, the tensile testing function and the puncture testing function are integrated, the clamping assembly is matched with the testing assembly, the tensile strength and the ductility of the protective film are accurately measured, and meanwhile, the number and the positions of puncture needles can be flexibly adjusted according to the width of the protective film by adopting the linkage design of the liftable puncture needle group and the lifting assembly; therefore, protection films with different widths can be adapted.

According to the female shoe protection function testing device provided by the utility model, the first adjusting assembly is arranged and can be used for adjusting the sliding assembly and the fixed frame and the clamping assembly which are arranged on the sliding assembly to move back and forth on the fixed seat; the second adjusting assembly can be used for adjusting the fixing frame and the clamping assembly which are slidably connected to the sliding table to move left and right on the sliding table, so that the shoe sole puncture testing device can perform puncture testing on different positions of a shoe sole, the testing is more comprehensive, the clamping assembly can be used for clamping the shoe soles with different thicknesses, the shoe soles can be conveniently clamped and fixed, and the testing efficiency is improved. And meanwhile, the puncture needle cannot be lifted up when the puncture needle punctures the sole and retracts, so that the puncture test device can be used for carrying out multiple puncture tests on the same sole.

The application belongs to the technical field of puncture testing, and specifically discloses a puncture testing machine for helmet processing, which comprises a guide frame body, sliding guide rods inserted into both sides of the guide frame body, a puncture column penetrating through the guide frame body, a protective base distributed below the guide frame body, a clamping structure arranged on the protective base, the puncture column being opposite to the clamping structure at all times, the sliding guide rods being fixedly connected to the protective base, a pulling structure being connected to the guide frame body, a magnetic tube being fixedly connected to the upper part of the puncture column, an annular electromagnet being fixedly connected to the opposite part of the guide frame body and the magnetic tube, a clamping structure being arranged on the part of the guide frame body close to the sliding guide rods, and a sound sensor and a distance sensor being fixedly connected to the lower part of the guide frame body. The guide frame body in the puncture testing machine can drive the puncture column to move upwards to a suitable position through the annular electromagnet, and then the puncture column can make free fall movement, so that the puncture column can quickly fall into the helmet, and the puncture protection performance of the helmet can be detected.

The utility model discloses a puncture test device for motorcycle helmet processing, and relates to the technical field of helmet processing detection, the puncture test device comprises a base station, the base station is provided with a fixing mechanism, the fixing mechanism comprises an inner clamping assembly which is arranged at the upper part of the base station and comprises four groups of L-shaped rods fixedly arranged at the upper end of the base station, and the four groups of L-shaped rods are provided with chutes; a first sliding block is horizontally and slidably installed on the inner side of the sliding groove, a connecting block is fixed to the lower end of the first sliding block, one end of the connecting block is rotationally connected with a connecting rod, and the other end of the connecting rod is rotationally connected with a cross-shaped base block. The driving assembly is arranged in the inner cavity of the base table and used for driving the cross-shaped base block to do up-down lifting motion. The problems that multiple needles of an existing puncture testing machine for helmet machining detect a single set of helmets in real time, after detection is completed, the originally fixed helmets need to be taken down, the efficiency is low, and the overall cost of the device is high due to the fact that the helmets are clamped and fixed through hydraulic push rods are solved.