166 results about "Compression testing" patented technology

The invention relates to the technical field of test block detection, in particular to a water conservancy dam body concrete pouring test block compression resistance detection device, which comprises an object placing table in a press machine, and the object placing table is provided with a placing cavity; a position correcting mechanism is arranged in the containing cavity and comprises a transverse position correcting assembly and a longitudinal position correcting assembly, the transverse position correcting assembly is connected with two sets of position correcting frames arranged in the length direction of the object containing table, the longitudinal position correcting assembly is connected with two sets of position correcting frames arranged in the width direction of the object containing table, and when the transverse position correcting assembly acts, the longitudinal position correcting assembly synchronously acts; the four groups of position correcting frames can be close to the center of the object placing table; a splash-proof assembly is arranged in the press machine and comprises a splash-proof door, the splash-proof assembly is connected with the transverse position correcting assembly and the pressure applying piece through a closing assembly and an opening assembly, when the transverse position correcting assembly drives the position correcting frame to be away from the center of the storage table, the closing assembly drives the splash-proof assembly to close the splash-proof door, and in the ascending process of the pressure applying piece, the splash-proof door is opened. The opening assembly drives the splash-proof assembly to open the splash-proof door.

The invention discloses a compression test clamping tool, system and method for a variable-thickness beveled laminated plate composite material, and relates to the technical field of aviation composite material mechanical property testing. The first long chuck and the second long chuck are respectively mounted on a variable-thickness side and an equal-thickness side of the beveled laminated plate sample, and the first long chuck mounted on the variable-thickness side is gradually thickened on a conical beveled layer and a thin section of the beveled laminated plate sample. According to the invention, the additional bending moment caused by eccentricity of a neutral shaft is effectively inhibited through the gradually-changed thickening design of the variable-thickness side long chuck in cooperation with gap control, and active inhibition of buckling instability of a beveling area is realized in combination with rigid fixation and surface roughening treatment of the short chuck; the method has the advantages that buckling instability is restrained, a failure area is accurately positioned, and samples of different configurations are adapted.

The invention relates to the technical field of new energy automobile battery box detection, in particular to a new energy automobile battery box compression resistance detection device which comprises a battery box body, a shell bottom testing mechanism arranged outside the battery box body, a shell top pressurizing mechanism arranged over the shell bottom testing mechanism and a control mechanism installed on the shell bottom testing mechanism. And the resonance detection mechanism is arranged in the shell bottom testing mechanism. The shell bottom testing mechanism and the shell top pressurizing mechanism are arranged to serve as an automobile chassis to be simulated, the battery box main body is fixed in the port of the shell bottom testing mechanism, the battery box main body is closed with the shell top pressurizing mechanism and the shell bottom testing mechanism, and the battery box main body separates the inner cavity of the closed device; therefore, the resonance detection mechanism can detect the real compressive strength of the battery box main body in the simulated sealed environment, and meanwhile, the vibration frequency of the resonance detection mechanism is adjusted to simulate the bumpy state of the automobile, so that the real compressive strength of the battery box during the driving period of the automobile can be simulated for testing.

The present invention relates to the field of test block detection technology, and specifically to a test block compression resistance detection device for pouring concrete for a water conservancy dam body, comprising: a storage platform in a press, a storage cavity being provided on the storage platform; a positioning mechanism being provided in the storage cavity, the positioning mechanism comprising a transverse positioning component and a longitudinal positioning component, the transverse positioning component being connected to two groups of positioning frames arranged in the length direction of the storage platform, and the longitudinal positioning component being connected to two groups of positioning frames arranged in the width direction of the storage platform, and when the transverse positioning component is actuated, the longitudinal positioning component is actuated synchronously to enable the four groups of positioning frames to approach the center of the storage platform; a splash-proof component being provided in the press, the splash-proof component comprising a splash-proof door, the splash-proof component being connected to the transverse positioning component and a pressure member respectively through a closing component and an opening component, when the transverse positioning component drives the positioning frame away from the center of the storage platform, the closing component drives the splash-proof component to close the splash-proof door, and during the rising process of the pressure member, the opening component drives the splash-proof component to open the splash-proof door.

The invention provides an automatic concrete compression resistance detection system based on visual identification, and relates to the technical field of compression resistance detection.The system comprises a detection table, a top frame is fixed to the top of the detection table, a bottom plate is fixed to the bottom of the detection table, two sets of air cylinders are fixed in the top frame, and extrusion plates are fixed to the extension ends of the air cylinders; conveying tables are arranged at the two ends of the detection table, concrete blocks are conveyed on the conveying tables, and a certain distance exists between the outlet ends of the conveying tables and the detection table. Compared with the prior art, the conveying tables are arranged on the two sides of the detection table to convey the concrete blocks, and the two clamping stations of the clamping assembly respectively clamp the soil blocks on the two conveying tables; in the process that the soil blocks are moved from the conveying table to the detection table through the clamping assembly, the soil blocks are driven to rotate, the scanning assembly at the bottom keeps moving synchronously with the clamping assembly and the soil blocks, multiple surfaces of the soil blocks are scanned till information is input, and the overall detection efficiency is improved.

The utility model discloses a lightweight packaging carton strength detection device, which comprises a compression testing machine main body, an upper pressing plate and a lower pressing plate, the output end of the compression testing machine main body is fixedly connected with the upper pressing plate, and the lower pressing plate is placed at the bottom of the upper pressing plate. Through the cooperative use of the compression testing machine main body, the upper pressing plate, the lower pressing plate, the accommodating groove, the auxiliary assembly, a through groove, a sliding block, a limiting plate, a rack, a screw rod, a motor, a stabilizing groove, an isolation plate and anti-skid grains, the problems that the existing equipment is often lack of effective clamping measures; the problems that paper boxes with different sizes and shapes are difficult to stably and properly fix when the strength of the paper boxes is tested due to the fact that the paper boxes are difficult to fix, the paper boxes are prone to displacement or inclination in the testing process, the stress is uneven, the testing result is distorted, and the operation complexity is obviously increased are solved.

A replacement structure for a hold-down head of a pressure testing machine comprises a pressure testing machine body, a hydraulic cylinder, a fixing cover, a worm gear, a worm, a fastening clamping sleeve, a center shaft sleeve and the hold-down head, the hydraulic cylinder is provided with a fixing plate, the fixing plate is connected with the pressure testing machine body, the hydraulic cylinder is provided with a piston rod, the piston rod penetrates through the pressure testing machine body and is connected with a mounting sleeve, and the mounting sleeve is connected with the worm gear. The right side of the worm gear is provided with an outer supporting plate, the outer supporting plate is provided with a bearing plate, the outer supporting plate is attached to the worm gear, the worm gear is provided with a position control rod, the position control rod is sequentially connected with the outer supporting plate, the fixing cover and the central shaft sleeve, and position control protruding blocks are arranged on the two sides of the central shaft sleeve. The position control rod is provided with a position control groove, the position control protruding block is matched with the position control groove, the position control protruding block is connected with the position control groove, the position control rod is provided with a fastening supporting rod, the fastening supporting rod is connected with the inner side of a fastening supporting sleeve, and the outer portion of the fastening supporting sleeve is connected with a fastening clamping sleeve.

This invention relates to a comprehensive mechanical performance testing platform for articulated bogies of trackless loaders, encompassing the field of mechanical performance testing technology. It includes an integrated platform with tensile / compression and torsional testing components. The tensile / compression testing components include a support frame with mounting side plates fixed to its upper surface. Tension / compression loading modules are telescopically mounted on the mounting side plates. Each loading module includes a compression top support head with a pressure sensor mounted on its side end face. A tension chuck is fixed to the outer peripheral wall of the compression top support head near its end, and four tension jaws with sliding and telescopic movement are mounted on the chuck, each equipped with a tension sensor. This testing platform solves the problems of dispersed testing, low efficiency, reliance on manual labor, insufficient accuracy, platform instability, and poor versatility inherent in traditional technologies for comprehensive mechanical performance testing of articulated bogies of trackless loaders.

The utility model belongs to the technical field of composite bone defect repair materials, and particularly relates to an osteogenic activity nHA / SF composite bone defect repair material compression resistance detection device which comprises a detection frame, and the bottom end of the inner side of the detection frame is fixedly connected with a detection base; a stretching assembly; the pressure sensor is arranged at a position on one side of the pressure detection seat; the stretching assembly is used in cooperation with the detection base and the detection pressure base. A positioning assembly; the detection assembly is arranged at one end of the detection pressure seat and corresponds to the stretching assembly; through the structural matching design of the detection base, the detection pressure base and the stretching assembly, after the bottom end of the bone repair material is fixed to the detection base, the stretching assembly is adjusted to the position below the detection pressure base, and then the stretching assembly is fixed to the top end of the bone repair material; and the detection pressure seat is moved upwards, so that the detection of the stretchability of the bone repair material is facilitated, and the detection diversity of the device is improved.

The application provides an edge compression testing device and an operating method. The edge compression testing device comprises a base, a positioning part arranged on the base and used for positioning a to-be-tested plate, and a testing part comprising a limiting structure and a movable structure. The limiting structure limits the movable structure on the base with a set force matching a required edge compression. In operation, the to-be-tested plate is moved to make an edge part of the to-be-tested plate press the movable structure. If the movable structure moves and the to-be-tested plate is not deformed, it is determined that the edge compression of the to-be-tested plate meets the requirement. If the to-be-tested plate is deformed, it is determined that the edge compression of the to-be-tested plate does not meet the requirement. In this way, the plate is not damaged, the consumption of the plate is avoided, and the testing method is simple. Compared with the existing edge compression tester, the edge compression testing device has relatively simple structures, is convenient to move and carry, has flexible application scenarios, and is suitable for wide use.

The utility model discloses a shell compression resistance testing device which comprises a base, vertical frames are symmetrically and fixedly connected to the base, second limiting sliding grooves are formed in the vertical frames, a transverse frame is arranged between the two vertical frames, second limiting sliding blocks are fixedly connected to the two ends of the transverse frame, and the second limiting sliding blocks are in sliding fit with the second limiting sliding grooves. A sliding rod is installed in the transverse frame in a sliding mode, a connecting threaded hole is formed in the lower end of the sliding rod, a connecting stud is installed in the connecting threaded hole in a threaded mode, a testing head is fixedly connected to the lower end of the connecting stud, an installation base is fixedly connected to the upper end of the sliding rod, and a limiting screw rod is fixedly connected to the upper face of the installation base. By starting the driving motor, the testing head can be driven to move upwards and then move downwards quickly to hit the equipment shell to carry out dynamic pressure bearing capacity testing, the testing head can also press the equipment shell in a static state directly to carry out static pressure testing on the equipment shell, and the anti-pressure capacity of the equipment shell can be detected more effectively and comprehensively.

The present application relates to the technical field of shield muck treatment, and discloses a method and system for predicting the resource utilization of shield muck, which comprises collecting samples and pretreating, measuring quality and particle size distribution, obtaining initial parameters through initial pressure compression testing, obtaining parameters under different pressures through step-by-step pressure testing, inputting data into a prediction model to determine the availability and determine the optimal utilization mode, and generating a report for storage. The system comprises sample selection and pretreatment, fixation and measurement, initial parameter collection, test parameter collection, and resource utilization prediction modules. The method and system can accurately predict the resource utilization potential of shield muck, determine the optimal utilization mode, improve the resource utilization efficiency, and have good economic and environmental benefits.

The invention relates to a metal material strain rate effect measurement method based on multiple stress relaxation, which comprises the following steps: carrying out a standard quasi-static stretching or compression test on a material sample at a constant strain rate to obtain a stress-strain curve; analyzing a strain range according to a stress-strain curve, and determining a stress relaxation frequency N to be developed and a corresponding relaxation strain value sequence epsilon i, i = 1... N; a material sample is taken to be subjected to a tensile or compression test at a set strain rate, stress relaxation lasts for relaxation time delta t when the strain sequentially reaches values in each relaxation strain value sequence, and after each stress relaxation, the tensile or compression test is performed according to the set strain rate; obtaining a stress-plastic strain rate curve corresponding to each relaxation strain epsilon i; and obtaining a stress-strain curve corresponding to each strain rate. Stress-strain curves corresponding to different plastic strain rates in a quasi-static range can be obtained through a single sample.

The utility model provides a compression resistance detection device for a notebook computer. The compression resistance detection device comprises a supporting frame, a bearing plate fixed to the top of the supporting frame, a supporting and positioning mechanism fixed to the supporting frame and penetrating through the bearing plate, and a compression resistance detection mechanism arranged above the bearing plate. At least two guide grooves are formed in the bearing plate; the supporting and positioning mechanism comprises a fixed sleeve, a sliding piston plate, a pushing spring, a longitudinal sliding guide rod, a fixed ring frame, a notebook computer placing plate, a guide rod, a sliding guide seat and a clamping and positioning structure; the fixed sleeve is fixed to the supporting frame, and the sliding piston plate can slide along the inner wall of the fixed sleeve and is fixed to one end of the longitudinal sliding guide rod. One end of the push spring is propped against the sliding piston plate, and the other end of the push spring is propped against the support frame; the fixing ring frame is installed on the longitudinal sliding guide rod, and the other end of the longitudinal sliding guide rod penetrates through the bearing plate to be connected with the notebook computer containing plate. One end of the guide rod is hinged to the fixed ring frame, and the other end of the guide rod extends into the guide groove and is hinged to the sliding guide seat; the sliding guide seat can be installed on the inner wall of the guide groove in a sliding mode, and the clamping and positioning structure is arranged above the bearing plate and fixed to the sliding guide seat.

The utility model discloses an elastic member suspension tension and compression testing device, which relates to the technical field of tension and compression testing devices and comprises a base, a fixed seat is fixedly connected to the left side of the top of the base, a central controller is fixedly connected to the rear side wall of the fixed seat, and fixed frames are fixedly connected to the tops of the fixed seat and a movable sliding seat. Pressure compensation clamping assemblies are arranged in the two fixing frames, and a testing assembly is arranged on the right side of the top of the base. According to the utility model, through the arranged pressure compensation clamping assembly, pressure adjustment can be carried out according to a pressure signal fed back by a pressure sensor, and the clamping force of the elastic member suspension is ensured to be within a proper range, so that the reliability of test data is improved; the device can accurately control and adjust the magnitude of the applied tension or pressure to meet different test requirements, so that the performance of the elastic part suspension under different tension and pressure conditions is accurately evaluated.

The invention discloses a point load and compression testing device and method. The invention provides a device for a point load and compression test and a method for carrying out the point load and / or compression test by using the device. The device comprises; a first plate; a reconfigurable second plate having a first configuration 5 and a second configuration wherein the spacing between the first plate and the second plate is adjustable; a test region between the first plate and the second plate; the centering mechanism is used for placing the sample in the center of the test area; wherein the first plate and the second plate are arranged, in use, such that when the spacing between the first plate and the second plate is adjusted to reduce the spacing, the compression test is performed if the second plate is in the first configuration; if the second plate is in the second configuration, a point load test is performed.

The utility model relates to the technical field of corrugated cartons, in particular to a novel corrugated carton compression resistance testing machine which comprises a supporting table, the top end of the supporting table is fixedly connected with a supporting frame, the top end of the supporting frame is fixedly connected with a telescopic air cylinder, and the telescopic air cylinder is connected with a data panel through a testing structure. A guiding device is arranged on the left side of the top end of the supporting table, a conveying belt is arranged on the outer wall of the supporting table, an inclined sliding plate is fixedly connected to the outer wall of the right side of the supporting table, and a flow dividing device is arranged on the inclined sliding plate. According to the utility model, through the combination of the pressure sensor and the data panel, the value observed by the test board during the test is more accurate, and through the infrared sensor, the test can be more effectively carried out in time when a carton enters a test position, so that through the timely data feedback, the test data is more accurate, and the test efficiency is improved. And the testing efficiency is greatly improved under the action of the infrared sensor.

The utility model provides a kind of cord fabric pressure test device, the lower part of the clamp is provided with compression testing machine platform, the upper part of the clamp is provided with down device, the clamp includes clamp main body, the lower part of the clamp main body is provided with connecting flange, connecting pin passes from the inside of connecting flange, the clamp main body is surrounded with cord fabric, large clamp piece is installed in the both sides of the cord fabric, the large clamp piece is fixed in the clamp main body with cord fabric, small clamp piece is installed in the both sides of the upper side of the cord fabric, the small clamp piece is compacted in the upper side of cord fabric, spring is installed between the large clamp piece and clamp main body, the top of the clamp main body is provided with pressure head, connecting pin passes from the top of pressure head;The utility model can make contrastive analysis to data by a series of standardization test to cord fabric, prevent the risk of structural failure in advance, to reduce the risk of tire burst.

The utility model discloses a carton compression tester capable of fast loading and unloading, which relates to the technical field of carton compression tests and comprises a pressure measuring box, a hydraulic push rod and a pressure measuring plate, the hydraulic push rod is arranged at the top of the pressure measuring box in a penetrating manner, and a mounting plate is arranged at the bottom of the hydraulic push rod. According to the carton compression tester capable of achieving rapid feeding and discharging, rapid feeding and discharging of cartons can be achieved through stretching and retracting of an electric telescopic rod, convenience and time saving are achieved, the working efficiency of the carton compression tester can be effectively improved, the bottom of a hydraulic push rod is connected with a mounting plate through a pressure equalizing rod, the cartons can be evenly extruded, and the working efficiency of the carton compression tester is improved. According to the carton compression tester capable of rapidly loading and unloading, the stress of each part of the carton can be better monitored, and the compression simulation effect is better, so that the carton compression tester capable of rapidly loading and unloading solves the problems that after the carton compression tester completes pressure measurement, an operator needs to manually clean a carton body and chippings on the upper side of the supporting platform, and the working efficiency of the carton compression tester is reduced.

A simulation method of battery mechanical impact test, comprising: respectively performing tensile test on a sample of a preset positive plate, a sample of a preset negative plate, a sample of a preset separator and a sample of a preset shell to obtain corresponding mechanical data; and / or, respectively performing compression test to obtain corresponding mechanical data; constructing a battery model according to the corresponding material parameters and mechanical data of the preset positive plate, the preset negative plate, the preset separator and the preset shell; constructing an impact process model according to a preset impact condition, and using the impact process model to perform impact simulation test on the battery model corresponding to the preset battery to obtain a simulation test result, which includes energy data corresponding to the preset positive plate, the preset negative plate, the preset separator and the preset shell. The impact simulation test of the battery model by the impact process model makes the energy change of the preset positive plate, the preset negative plate, the preset separator and the preset shell in the impact process quantifiable.

The invention discloses a polystyrene panel compression resistance testing device and method based on air conditioner panel processing, and relates to the technical field of compression resistance detection.The polystyrene panel compression resistance testing device comprises an operation table, a supporting frame fixedly connected to the top of the operation table and a fixing module arranged at the top of the operation table and used for fixing a panel, and further comprises a fixing frame arranged at the bottom of the supporting frame, the top of the supporting frame is fixedly connected with a hydraulic telescopic rod, the telescopic end of the hydraulic telescopic rod is fixedly connected with the fixing frame, the bottom of the fixing rod is fixedly connected with a storage disc, and the bottom of the storage disc is fixedly connected with a bottom plate. The second contact bag is completely attached to the contact face of the panel, after a third coil is powered on, the second contact bag is electromagnetically cured, the pressure resistance of the panel can be accurately detected, and the situation that the pressure resistance effect of the panel cannot be accurately detected due to the fact that the concave-convex portion of the panel cannot be evenly stressed in the extrusion process is avoided; the problem of stress concentration caused by curvature or concave-convex of a panel of a traditional rigid pressure head is solved.

The utility model discloses an expandable compression testing machine, and relates to the technical field of compression testing machines. The device comprises a bottom plate, a compression mechanism is arranged on the bottom plate, the compression mechanism comprises a [-shaped frame fixedly connected to the top of the bottom plate, an electric push rod is fixedly connected to the top of the [-shaped frame, and an output shaft of the electric push rod extends into the [-shaped frame and is in sliding connection with the [-shaped frame. Accurate control over the moving path of the hold-down device in the compression process can be achieved through the compression mechanism, the possibility that the hold-down device deviates in the operation process is fundamentally eradicated, the accurate control enables the hold-down device to be kept highly stable in the moving process, and therefore when pressure is applied to a sample piece, the sample piece is not prone to deviation. The pressure can be ensured to uniformly and accurately act on the sample piece, the test error caused by non-uniform pressure or deviation is effectively avoided, the reliability and precision of the test result are remarkably improved, and more valuable data support is provided for scientific research and production.

The invention belongs to the field of new material pressure testing, and particularly relates to a bio-based new material compression testing machine which comprises a rack, multiple groups of transverse guide optical shafts are distributed on the rack in a layered mode, multiple stages of pressure amplification mechanisms are arranged on the guide optical shafts, each stage of pressure amplification mechanism comprises a driving sliding block, a fixing seat and a driven sliding block, and the driving sliding block is provided with a driving sliding block and a driven sliding block in the vertical direction. The driven sliding block is located between the driving sliding block and the fixed seat, the driving sliding block and the driven sliding block can move along the guide optical axis, and the fixed seat is fixedly arranged on the guide optical axis; the driven sliding block of the previous stage of pressure amplification mechanism serves as the driving sliding block of the next stage of pressure amplification mechanism to drive the next stage of pressure amplification mechanism stage by stage, the driven sliding block of the last stage is connected with a transverse pressing rod, and the movable pressing plate in the pressure test cabin is pushed through the pressing rod to generate transverse movement relative to the fixed pressing plate. Precise displacement control is achieved through the lead screw mechanism, and small input force can be converted into high-precision output stable pressure in combination with a gear and rack pressure multiplication structure.

The application relates to the technical field of compression resistance testing, and particularly relates to a stress compression resistance testing device of a robot modular fingertip structure and a testing method thereof, which comprises a cabinet body, a placing table arranged in the cabinet body and used for placing a robot hand, a horizontal moving seat movably arranged in the cabinet body and an assembly plate, the horizontal moving seat can be driven by a second linear driving module arranged in the cabinet body to move horizontally, the assembly plate can be driven by a pressure applying driving mechanism arranged in the cabinet body to move away from or close to the horizontal moving seat, so that a pressure applying piece arranged on the side of the assembly plate away from the horizontal moving seat is in contact with the robot finger; the first pressure applying plate and the second pressure applying plate are arranged to form a V-shaped structure, the robot finger can be directly pressed, and the stress condition of the robot finger when a local part of a gripped object enters the finger gap during the working process of the robot can be simulated, so that the diversification of the stress compression resistance mode of the robot during testing is realized.

The application provides a manufacturing method of cement mixing piles of soft soil in coastal areas, and belongs to the field of cement mixing piles. The method determines a plurality of sample parameter groups, creates a plurality of cement mixing pile samples corresponding to the plurality of sample parameter groups, respectively performs impermeability testing and compression testing on the plurality of cement mixing pile samples, and obtains an impermeability parameter group and a compression parameter group of each cement mixing pile sample, determines the impermeability parameter and the compression parameter of each cement mixing pile sample, obtains a comprehensive parameter of each cement mixing pile sample in the plurality of cement mixing pile samples, and the comprehensive parameter is the sum of the compression parameter and the impermeability parameter of the cement mixing pile sample; the sample parameter group corresponding to the cement mixing pile sample with the maximum comprehensive parameter is determined as a target parameter group, and the cement mixing pile is manufactured based on the target parameter group, so that the performance of the manufactured cement mixing pile is improved.

The utility model discloses a compression resistance testing device for an automobile charger. The compression resistance testing device comprises a U-shaped rack at the top of a base, an air cylinder installed on the inner side of the top end of the U-shaped rack, a lifting platform slidably installed on the inner side of the U-shaped rack and connected with the free end of the air cylinder, and an extrusion testing head installed at the bottom of the lifting platform. The rotary testboard is rotatably mounted on the top surface of the base, and the two clamp assemblies are arranged at the top of the rotary testboard; according to the utility model, through improvement and optimization of an automobile charger compression resistance test device in the prior art, the rotary test bench is adopted and the rapid limiting structure is matched, so that an operator can rapidly change the direction of the charger through direct rotation of the test bench under the condition of not interrupting the test in the process of testing the automobile charger, and the test efficiency is improved. Therefore, continuous and efficient extrusion testing on different positions of the surface of the charger is achieved, the testing steps are simplified, and the operation difficulty is lowered.

The utility model discloses a device for a wave spring compression test, which relates to the technical field of wave spring compression tests and comprises a bottom support, a longitudinal driving portal frame fixedly mounted at the upper end of the bottom support, a moving plate mounted on the longitudinal driving portal frame, and an extrusion component fixedly mounted on the moving plate. The extrusion assembly is composed of a connecting rod and an extrusion plate, three notch grooves are formed in the extrusion plate, the limiting measurement assembly, the adjusting assembly and the supporting assembly are arranged, wave springs of different diameters can be limited and blocked, and therefore when the wave springs of different diameters are tested, horizontal movement of the wave springs can be avoided, and the test accuracy is improved. Therefore, the smooth operation of the compression test of the wave spring can be ensured, and meanwhile, when the recovery capability of the wave spring under different compression degrees is measured, the recovery capability of the wave spring can be directly observed through the scales on the baffle without the help of external equipment, so that the measurement efficiency can be improved.

The utility model discloses a pressure resistance testing device for a buffer air bubble film for packaging, which relates to the technical field of production and detection of the buffer air bubble film and comprises a counterweight base and a frame, a fixed die holder is fixedly connected to a lower table top of the frame, a movable die sleeve is detachably sleeved on the fixed die holder, and a pressure resistance testing device for the buffer air bubble film for packaging is arranged on the movable die sleeve. The upper table top of the rack is movably connected with a test rod which is vertically distributed, the bottom of the test rod is detachably provided with a tip, the middle part of the test rod is provided with a circular truncated cone, a long spiral spring which is sleeved on the test rod is arranged between the circular truncated cone and the bottom of the upper table top, and a support spring which is sleeved on the test rod is arranged between the test rod and the top of the upper table top. According to the utility model, an air bubble film sample is fixed and positioned after being unfolded by buckling the fixed die holder and the movable die sleeve, the test rod releases downward pressure to impact the air bubble film sample under the elasticity of the long spiral spring after being manually lifted, and the tip can be mounted on the test rod, so that the impact resistance and puncture resistance of the air bubble film can be detected.

This invention provides a compression testing device for corrugated cardboard box production, belonging to the field of corrugated cardboard box technology. The device includes a base, a testing platform and a controller on the upper end of the base, a square frame above the testing platform, and a lifting mechanism on the base to drive the square frame to rise and fall. The square frame is equipped with a guide rail, a moving trolley and a scanning imager, and a feeding mechanism on one side. The scanning imager can perform all-round real-time scanning of the initial state and compression process of the cardboard box. The top pressing mechanism can complete accurate pressure testing of empty box compression resistance, holding pressure and stacking simulation, and simultaneously realize synchronous monitoring of pressure and deformation. Through the ingenious linkage and cooperation of various components, the entire process of corrugated cardboard box testing is automated, the stacking test has strong stability, and the pressure and deformation detection is accurate and comprehensive, greatly improving the testing efficiency. Moreover, the device has strong versatility and convenient maintenance, and can meet the compression testing needs of corrugated cardboard boxes in large-scale production lines.