34 results about "Compression testing" patented technology

The utility model discloses a kind of compressive strength testing devices for building materials, belong to building material inspection technical field, including support platform, electric push rod is provided on support platform, the output end of electric push rod is arranged with pressing plate, further include the blocking and protecting structure for blocking the building material fragments of splashing arranged on support platform, blocking and protecting structure includes the blocking and protecting box arranged on support platform and slidingly sleeved on the output end of electric push rod. The utility model, when building material is crushed under pressure, the setting of blocking and protecting box can block the splashing residue, avoid residue leakage, when residue needs to be cleaned, only need to pull mounting plate, make support slide plate from the below of material placing flap disengagement, at this time material placing flap will be turned down, make residue fall into the material receiving box below, to clean and recycle residue, by setting the turnover of material placing flap, residue in blocking and protecting box can be cleaned more thoroughly, to carry out subsequent compressive strength test quickly.

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.

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.

The application provides a verification method and device for compression function in an SOC system, and relates to the chip detection technical field. The method comprises the following steps: determining a master device and a corresponding slave device in the SOC system; calling a test case of the SOC system; performing multiple access operations on the master device and the slave device based on a write / read data path between the master device and the slave device to perform compression / decompression test and obtain bandwidth data corresponding to each access operation, wherein the access operation comprises a write operation and a read operation; determining a compression efficiency corresponding to each write data path based on first bandwidth data corresponding to the write operation on the write data path; and determining a decompression efficiency corresponding to each read data path based on second bandwidth data corresponding to the read operation on the read data path. The application has the advantages of high working principle efficiency, fast simulation speed, and accurate SOC system compression efficiency and decompression efficiency.

A kind of automatic feeding mechanism of compression testing block, including positioning mechanism, transposition mechanism, push mechanism and lifting mechanism, positioning mechanism is fixedly arranged on pedestal, and positioning mechanism has positioning cavity inside;Transposition mechanism is fixedly arranged on pedestal and is located at the front end of positioning mechanism, and transposition mechanism has transfer mechanism and cleaning mechanism on it;Push mechanism is fixedly arranged on fixed column, and push mechanism has push plate on it;Lifting mechanism is fixedly arranged on the rear end of push mechanism;Two cement test blocks are placed in transfer mechanism, under the action of push plate, the previous cement test block is located in lifting mechanism and is lifted upward under the action of lifting mechanism, the following cement test block enters positioning cavity and carries out compression strength test, the following cement test block is cleaned after compression strength test by cleaning mechanism, then, the previous cement test block enters positioning cavity and carries out compression strength test under the action of lifting mechanism, the utility model discloses higher degree of automation, can quickly handle batch cement test block's compression strength test.

The utility model discloses a kind of durable corrugated box compression testing device, including bottom plate, the top side of bottom plate is equipped with long slot, long slot is cross-shaped, fixedly installed with placing plate in long slot, through the collaborative design of driving assembly, transmission assembly and clamping assembly, effectively solve the carton side fixed problem, motor as driving source, drive first bidirectional screw rod rotation, through the multistage transmission of first synchronous wheel, synchronous belt, second synchronous wheel, transmission rod, first bevel gear and second bevel gear, make first bidirectional screw rod and second bidirectional screw rod reverse rotation, since the thread rotation direction of two screw rods is opposite, the slider of its outside drives fixed rod and clamping plate synchronous to carton four sides and adhere, after clamping plate and carton side contact, limit the displacement of carton when testing, inclination, ensure that vertical pressure evenly conducts to carton surface, avoid the test force value deviation caused by side no constraint, improve the accuracy and reliability of test data.

This utility model discloses a filter cartridge testing device that facilitates input pressure adjustment, including a placement and locking structure. An adjusting compression testing structure is fixedly installed above the placement and locking structure. The placement and locking structure includes a mounting frame with a through groove, and a collection box with a through-hole shape at the front and top is fixedly installed below the mounting frame. A recessed frame slides inside the collection box. A connecting plate is fixedly installed above the through groove, and a hollow recessed frame with a locking groove is installed above the connecting plate. The adjusting compression testing structure includes a fixing frame fixed above the mounting frame, and a controller for controlling and driving the adjustment of components is fixedly installed above the fixing frame. A through frame is fixedly installed below the fixing frame, and a drive motor with an output end extending inside the through frame is fixedly installed at one end of the through frame. This filter cartridge testing device, which facilitates input pressure adjustment, uses the locking groove to achieve locking and limiting.

This invention discloses a disc spring tension and compression testing device, relating to the technical field of spring testing equipment. The invention includes a base frame, with a first and second receiving boxes placed on opposite sides of the base frame. Supports and bases are installed at the front and rear ends of the base frame, respectively, and abutments are installed on both sides of the rear end of the supports. It also includes a protective assembly comprising a fixed ring mounted on the upper surface of the support and a protective sleeve connected to the rear end face of the fixed ring. The other end of the protective sleeve is located on the front end face of a moving ring. A cylinder is mounted on the top of the front end face of the moving ring. An air port on the outer wall of the cylinder is connected to two connecting pipes via a three-way pipe. The other end of the connecting pipe is connected to an air outlet pipe via a pipe joint. The other end of the air outlet pipe is located on the top of the outer wall of the air cylinder. A rubber pad is slidably installed inside the air cylinder. This disc spring tension and compression testing device provides good protection for workers, has a wide range of applications, and improves material feeding efficiency.

This invention relates to the field of packaging testing technology, specifically disclosing a multi-station packaging structure performance testing machine tooling, including a frame, a worktable mounted on the frame, a conveyor belt for transporting packaging boxes running through the worktable, and compression testing mechanisms and sealing testing mechanisms arranged sequentially and movably on the worktable to cooperate with the packaging boxes on the conveyor belt. This invention overcomes the problems of single function, poor coordination, and low testing efficiency in existing packaging testing equipment, achieving continuous integrated testing of the compression and sealing performance of packaging boxes, strengthening the synergistic linkage between various mechanisms, enriching testing functions, improving testing accuracy and efficiency, adapting to the testing needs of diverse packaging box specifications, reducing labor costs, and ensuring the overall reliability of packaging structures.

This utility model discloses a plug compression testing device, relating to the technical field of testing devices, including a mounting plate and a compression assembly; the mounting plate has four corresponding legs fixed to its lower side, and a base plate fixed to the lower end of the four legs. A clamping assembly is installed in the middle of the mounting plate, and a fixing assembly and a rotating assembly are installed on the upper side of the clamping assembly. The left side of the rotating assembly is connected to the fixing assembly; the compression assembly includes a fixing strip, a first hydraulic rod, a connecting strip, a connecting plate, and a pressure sensor. A fixing hole is provided on the upper side of the mounting plate, and a fixing strip is fixed inside the fixing hole. Two corresponding first hydraulic rods are installed on the lower side of the fixing strip. A connecting strip is fixed on the telescopic arm of the first hydraulic rod, and a connecting plate is fixed between the two connecting strips. A groove is provided in the middle of the connecting plate, which can quickly adjust the pressure angle of the plug according to the requirements.

The utility model relates to test device technical field, and disclose a kind of ship titanium alloy welded joint high-precision compression test device, solve the existing welded joint compression test device after detection needs worker to intervene and carries out blanking collection, manual operation increases the labor, affects the processing continuity problem, it includes workstation, the inside of the workstation is equipped with collecting barrel, workstation top fixed mounting has support frame, support frame top fixed mounting has hydraulic cylinder, the transmission end of hydraulic cylinder is downwardly penetrated to the inside of support frame and fixedly installed with pressure head, pressure head bottom fixed mounting has pressure sensor, and pressure sensor is electrically connected with external control panel by soft wire, workstation upper middle fixed mounting has support seat;The welded joint compression test device of the utility model can quickly and conveniently complete blanking collection after detection, reduce the labor of manual operation, ensure the continuity of processing.

The utility model discloses a kind of composite material compression test fixtures of synchronous pressure application, including chassis and clamping block;Chassis includes bottom plate that can be installed on test table and the back plate and two side plates connected with bottom plate;Two pairs of clamping block are symmetrically arranged, and each pair of clamping block is symmetrically arranged;The upper and lower clamping block of one side is slidably installed on the same movable plate by first vertical guide structure, movable plate side portion is slidably installed on back plate by horizontal guide structure, movable plate is installed with clamping power component in the side away from clamping block, clamping power component is towards one side side plate, clamping power component is used to resist on side plate and promote the clamping of clamping block in the side;The upper and lower clamping block of the other side is slidably installed on the same fixed plate by second vertical guide structure, and fixed plate is installed on the other side plate;Clamping block is close to the end of effective test area and is equipped with extension and arc chamfer.This fixture can slow down the stress concentration of clamping block end in sample effective test area, and left and right clamping block load distribution is uniform.

The present invention relates to a battery test device configured to perform various types of tests, such as a compression test, a drop test, a penetration test, a fire test, and a collision test, guarantee a stable battery test, and prevent the spread of a fire.

This utility model relates to the field of automotive seat testing technology, specifically an automotive seat compression resistance testing mechanism. It includes a base, a connecting frame fixedly mounted on the top of the base, a top plate fixedly mounted on the top of the connecting frame, a telescopic mechanism mounted on the top of the top plate, and a pressure plate mounted on the bottom of the telescopic mechanism via a telescopic rod. A fixed seat is fixedly mounted on the top of the base, and a guide groove is provided on the side of the fixed seat, with a clamping assembly slidably connected within the guide groove. The advantages are: through the cooperation of the positioning plate, rotating motor, pulley, and active rod structure, the pulley structure reduces friction between the seat and the placement plate, preventing wear on the seat during installation and replacement, and making replacement easier and reducing workload. Driven by the rotating motor and the active rod, the slider slides, which not only actively adapts to different types of seats, increasing the equipment's applicability, but also prevents seat displacement and vibration during compression testing, improving the accuracy of the test results.

This application relates to the field of midsole material compression testing, and discloses a device for testing the compression recovery performance of midsole materials. The device includes a worktable with a testing component, comprising an optical rangefinder and a fixed platform. It also includes a clamping component, comprising a base plate, a pressure plate, a limiting screw, and a limiting screw plate, used for compressing the midsole material; and a locking component at the end of the clamping component, comprising a locking rod rotatably disposed at one end of the limiting screw. This invention, by setting an adjustment component, adapts to the position of the adjustment frame by varying the distance the adjustment frame is pushed according to the position of the base plate, thereby controlling the engagement time of the driving blade and the driven blade, and rotating the driving rod to the required angle. Ultimately, when compressing materials of different thicknesses, it can automatically select the appropriate contact rod to effectively fix the base plate.

The utility model relates to a kind of nanometer heat insulation board compression resistance performance detection device of nanometer heat insulation board compression resistance test technical field, including compression testing machine main part, the workpiece placement area of compression testing machine main part is equipped with replaceable material placing table and the slag receiving tray around the circumferential side of replaceable material placing table, the outer edge of the slag receiving tray is equipped with upper edge;The lower pressing column bottom of compression testing machine main part is equipped with replaceable pressure head;The setting of the utility model replaceable material placing table and replaceable pressure head, when the operation surface thereof appears pit, it is replaced, guarantee the accuracy of test result;While replaceable material placing table reaches quick fixing by the combination design of annular magnetic attraction piece and jack seat;Replaceable pressure head is adjusted axially by the cooperation of threaded sleeve and inner conical flange plate, reaches quick replacement.

The invention discloses electrical safety performance detection equipment for rail transit and a detection method. The electrical safety performance detection equipment comprises a bracket, a vibration mechanism, a rotating mechanism, a clamping seat, a tension and compression test mechanism and a camera, the vibration mechanism is used for carrying out vibration simulation in the vertical direction, the horizontal transverse direction and the horizontal longitudinal direction; the rotating mechanism is used for rotating the connector clamped by the clamping seat; the tension and compression testing mechanism is used for performing tension and compression detection on the connector; the camera is used for shooting the connector; the operation table is in signal connection with a visual identification module and a tension and compression analysis module; the visual identification module is used for identifying and analyzing the condition of the connector; and the tension and compression analysis module is used for acquiring and analyzing the pressure conditions of the male head and the female head of the connector during connection and separation before detection and the pressure conditions of the male head and the female head during connection and separation after detection. According to the invention, electrical safety performance detection can be carried out on the rail transit connector in multiple modes, and good connection of the rail transit connector is ensured.

The utility model relates to a kind of carton compression testing machine in carton compression testing technical field, including bottom plate, the upper end both sides of bottom plate are fixed with stand by screw, the upper end inboard of stand is fixed with top strip by screw, the inboard of stand is equipped with second sliding slot, the inside lower end of second sliding slot is equipped with second servo motor by inner frame, the inside upper end of bottom plate is equipped with first sliding slot being cross distribution, the inside of four first sliding slots is equipped with first servo motor by inner frame, the output of first servo motor is fixed with first ball screw, the outside transmission of first ball screw is connected with first sliding block, the upper end of first sliding block is fixed with side frame by screw, the inboard of side frame is installed with side plate.The utility model places four auxiliary cartons around measured carton by side plate control, to simulate transport stress environment.

The utility model relates to energy storage equipment detection technical field especially relates to a kind of battery pressure test equipment, including rack, pressure unit and detection unit. Wherein, pressure unit is set in rack, and pressure unit includes stage and pressure piece, stage is used to place the measured piece, and pressure piece can be moved towards measured piece, and with preset pressure pressure measured piece. Detection unit includes displacement sensor, and displacement sensor is set on pressure piece, and displacement sensor is used to detect the depth of measured piece subsidence after pressure piece pressure measured piece. The battery pressure test equipment is set on pressure piece by displacement sensor, the distance of pressure piece movement can be obtained, subtract the distance between pressure piece and measured piece, and the depth of measured piece pressure deformation can be calculated.

The application provides a kind of composite laminate edge impact compression test device after, belong to the technical field of composite material test, specifically includes base, first lower clamping plate, second lower clamping plate, limiting plate, upper clamping assembly and two first side plates;First lower clamping plate and second lower clamping plate are installed on base, for clamping test piece bottom;Limiting plate is installed on base, for limiting test piece side;Upper clamping assembly includes pressing plate, first upper clamping plate and second upper clamping plate, for clamping test piece top and transmitting compression load;Two first side plates are installed on limiting plate and are located on the two sides of test piece respectively, and first side plate is provided with first kerf towards the side of test piece, and first kerf corresponds to the side of test piece away from the edge of impact. Through the processing scheme of the application, the accuracy of the composite laminate edge impact compression test is improved.

This utility model discloses a mold for high-strength material compression testing, including a support module and a guiding compression module. The support module includes a supporting compression mold, a first pad, and a first positioning component. The supporting compression mold has a compression cavity, and the first pad is located within the compression cavity. The first positioning component is used to fix and adjust the radial position of the first pad. The guiding compression module includes a guiding compression mold, a second pad, and a second positioning component. The guiding compression mold has a stamping cavity, and the second pad is located within the stamping cavity. The second positioning component is used to fix and adjust the radial position of the second pad. The second pad and part of the guiding compression mold are located within the compression cavity, forming a motion guiding structure in conjunction with the supporting compression mold. The first pad and the second pad together constitute a sample fixing structure. The supporting compression mold and the guiding compression mold are coaxially arranged, and with the precise positioning component, the pad is accurately positioned, improving the mold structure accuracy and reducing eccentricity error.

The utility model discloses a kind of constant loading pressure testing machines, including rack, adjustable upper pressing plate is equipped in the inside of rack, the bottom wall of rack is equipped with lower pressing plate by support seat, the right side surface of rack is fixedly connected with control box, further including linkage mechanism;Linkage mechanism: it includes limiting rod, adjusting plate, protective cover and adjusting assembly, the inside left side of control box is equipped with adjusting cavity, the front and back of adjusting cavity are equipped with limiting rod, two adjusting plates are slidably connected between two limiting rods, two adjusting plates are linked by adjusting assembly, the lower surface of the adjusting plate of downside is equipped with protective cover, protective cover is right side opening U type, protective cover is located at the outside of rack, after the sample is placed on lower pressing plate, make upper pressing plate by linkage assembly while driving protective cover to rise upward under moving down, avoid sample broken and broken out hurt human body, and simple operation will not affect the placement of sample.

A kind of end face stabilizing device of multi-strand helical compression spring quick compression test, including the core rod of quick compression testing machine, the loading boss is arranged on the core rod, the spring positioning sleeve is sleeved on the core rod, the spring positioning sleeve is gap matched with the core rod, the flange is arranged at one end of the spring positioning sleeve, the flange forms annular groove with the spring positioning sleeve, and the cross-sectional diameter of the annular groove is greater than the cross-sectional diameter of multi-strand helical compression spring cable.

The utility model relates to PCB board detection technical field, concretely is a kind of PCB board compression resistance experimental machine, two the fixed frame is symmetrically distributed at the top of fixed platform, the inside of two the fixed frame is respectively provided with sliding slot, the inside fixed connection of sliding slot has fixed spring, one end fixed connection of fixed spring has connecting sliding block, the both sides fixed connection of connecting sliding block has limit plate. The PCB board compression resistance experimental machine, without being prepared special fixture for each model PCB board alone or spends a lot of time adjusting fixture, operating personnel can quickly install different model PCB board on experimental machine, carries out compression resistance test, significantly shortens the preparation time before testing, improves overall test efficiency, can continuously test multiple different model PCB boards, without frequently changing or adjusting fixture, reduces the downtime of equipment, makes the test work can more smoothly carry out, further improves work efficiency.

The application relates to the technical field of concrete detection, and discloses a pressure testing machine which comprises a rack, an upper pressing mechanism, a lower pressing mechanism and a cleaning material component. The upper pressing mechanism comprises a first driving piece, an upper pressing piece and the cleaning material component. The first driving piece is drivingly connected with the upper pressing piece, and the first driving piece is connected with the rack. The upper pressing piece is provided with a groove, and the cleaning material component is movably connected with the groove. The lower pressing mechanism comprises a lower pressing piece and a material collecting component. The lower pressing piece is oppositely arranged with the upper pressing piece, and the material collecting component is arranged around the edge of the lower pressing piece and used for collecting the broken slag. The pressure testing machine is provided with the structure design that the cleaning material component is embedded for pressing and rotating for cleaning during the test, and the material collecting component is used for automatically collecting the broken slag. The technical problem of low cleaning efficiency of manual cleaning is solved, the cleaning efficiency is improved, time and labor are saved, the cleaning automation degree is effectively improved, and the test environment is ensured to be clean.

The utility model relates to a kind of automobile leg support compression resistance testing device, including frame, disc body, limit mould, extruder and station switching mechanism, according to corresponding automobile leg support selects suitable limit mould, first pull pull rod and drive to move and resist touch column, resist touch column extrusion spring, resist touch column one end and the clamping groove of disc body edge are separated from clamping, can realize the rotation adjustment of disc body, the limit mould required is rotated to the extruder below, disc body rotates on several support ball, the rotation of disc body reduces friction, and column body follows rotation, column body can only rotate, cannot move in vertical direction, under the action of spring, resist touch column arc end is extruded into clamping groove, realize the positioning of disc body, i.

This invention belongs to the field of compressive strength testing technology and discloses a compression test method and apparatus for the chamfered zone of a sandwich structure. The compression test method includes the following steps: obtaining characteristic parameters of the chamfered zone of the sandwich structure to be tested; preliminarily determining the configuration dimensions of the test piece based on the characteristic parameters; preliminarily determining the boundary constraints for loading the test piece; conducting simulation analysis of the compression test on the test piece according to the preliminarily determined configuration dimensions and boundary constraints; adjusting and determining the final configuration dimensions and boundary constraints of the test piece according to the simulation analysis; manufacturing the test piece and test fixture according to the final configuration dimensions and boundary constraints; clamping and fixing the test piece to the test fixture, performing a compression test on the test piece, and obtaining test data of the chamfered zone of the test piece. This invention can accurately obtain the destructive strength and failure risk points of the chamfered zone of the test piece under compressive load.

This invention provides a spring compression testing device, belonging to the technical field of spring testing equipment. The device includes a compression fixture body, a guide and limiting assembly, and at least one radial limiting member. The compression fixture body is mounted on the lower clamp of the testing equipment and has an axial compression space inside. The top of the compression space has a limiting structure for compressing the spring. One end of the limiting assembly is fixedly connected to the upper clamp of the testing equipment, and the other end extends through the limiting structure into the compression space to limit the deformation of the spring under test radially. The radial limiting member is detachably mounted on the compression fixture body and extends into or through the compression space. The portion extending into the compression space is arranged on one side of the guide and limiting assembly to limit the swaying of the spring under test placed on the guide and limiting assembly radially. This invention primarily addresses the technical problems in the prior art where clamping is difficult, stability is poor, and spring bending is easily caused during compression testing of small-diameter, long springs.

This application relates to a method and apparatus for predicting the service life of plastic sealing fillers, specifically in the field of hydraulic engineering seepage prevention and water sealing. The method includes the preparation of a test sample. The test sample undergoes periodic tensile-compression tests at a set ambient temperature (-60℃ to +80℃). Tensile testing involves applying opposing forces to two cement blocks, stretching the plastic sealing filler by a set deformation. Compression testing involves applying opposing forces to the two cement blocks, compressing the plastic sealing filler by a set deformation. One tensile and one compression test is recorded as one cycle. The number of periodic tensile-compression tests on the test sample is statistically analyzed. The service life of the test sample is estimated as T = n × t, where t is the time t elapsed for one cycle in the operating environment. This application is effective in predicting the service life of plastic sealing fillers under high-frequency dynamic tensile and compression conditions.