280 results about "Compression testing" patented technology

Methods and systems for calibrating a model are provided herein. In some embodiments, the methods include receiving, via a control circuit, test data for an operational parameter of a real-world system, such as an engine, from operational tests. The control circuit also receives model data for the operational parameter from simulations performed via a model of the engine. The control circuit then compresses the test data and the model data to generate compressed test data and compressed model data and fusing the compressed test data with the compressed model data to generate fused data. The control circuit performs parallel Bayesian inference simulations using the fused data to identify at least one value for a tuning parameter of the model. The control circuit may identify and select tuning parameters to match the model data with test data, the model data may be one or more model outputs (i.e., output parameters).

The invention relates to the technical field of spring performance testing, in particular to an air spring shock absorber performance testing device which comprises an L-shaped mounting base, a limiting mounting plate, a clamping mechanism and a compression assembly, the limiting mounting plate is arranged on the horizontal section of the L-shaped mounting base, and the clamping mechanism is mounted on the front end face of the limiting mounting plate; according to the air spring shock absorber compression device, multiple positions of an air spring shock absorber are limited, clamped and fixed from bottom to top through the clamping mechanism, and the upper portion of the air spring shock absorber can be clamped and limited in a sliding mode all the time in the compression process through cooperation of a limiting clamping piece and a limiting sliding piece; the stability of the air spring shock absorber is greatly improved, the rotating motor, the limiting mounting plate and the locking assembly are matched to drive the air spring shock absorber to adjust the placement angle and then stably lock the air spring shock absorber, so that compression tests can be performed on the air spring shock absorbers arranged at different angles, and the comprehensiveness of the compression tests is improved.

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

The invention 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 cement mortar test piece strength automatic test system and an automatic test method, and belongs to the technical field of cement mortar test piece fracture resistance and compression resistance tests, the cement mortar test piece strength automatic test system comprises a test piece storage device, a fracture resistance testing machine, a compression resistance testing machine, a fracture resistance cleaning mechanism, a compression resistance cleaning mechanism, a mechanical arm and an upper computer; the mechanical arm can grab the cement mortar test piece on the test piece storage device according to a preset program and place the cement mortar test piece on an objective table of the anti-bending testing machine for carrying out an anti-bending strength test, and the mechanical arm can also grab the cement mortar test piece which is folded into two sections after the anti-bending strength test is completed to the anti-compression testing machine for carrying out a compressive strength test; the upper computer is in signal connection with the anti-bending testing machine and the anti-compression testing machine, and can record the anti-bending strength and compressive strength data of the cement mortar test piece. The full-automatic operation for testing the fracture resistance and the compressive strength of the cement mortar test piece is realized, the productivity is improved, and the problem that the accuracy of a test result is influenced by traditional manual operation is avoided.

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 compression resistance testing device for power distribution cabinet production, comprising a compression resistance testing assembly, the compression resistance testing assembly is composed of a vertical testing mechanism and two horizontal testing mechanisms, the vertical testing mechanism is vertically and fixedly installed on a support plate at the top of a detection box and is used for testing the compression resistance capability of a power distribution cabinet in the vertical direction, and the horizontal testing mechanism is used for testing the compression resistance capability of the power distribution cabinet in the horizontal direction; and the two horizontal testing mechanisms are arranged in parallel and correspondingly arranged at two sides of the detection box, and are used for clamping and fixing the power distribution cabinet in the horizontal direction and testing the anti-pressure capability. A compression resistance testing assembly is arranged on a compression resistance testing device, so that a vertical testing mechanism on the compression resistance testing assembly performs a compression resistance test on the power distribution cabinet in the vertical direction, and meanwhile, two horizontal testing mechanisms on the compression resistance testing assembly clamp and fix the power distribution cabinet in the vertical compression resistance test; and the horizontal testing mechanism performs horizontal compression resistance testing on the power distribution cabinet, so that the compression resistance testing efficiency of the compression resistance testing device on the power distribution cabinet is improved.

The utility model relates to the technical field of battery safety testing, in particular to a compression resistance testing tool which comprises a supporting assembly and an extruding assembly. The supporting assembly is provided with a containing cavity used for containing a to-be-detected battery cell, and the pole and shoulder height positions of the to-be-detected battery cell protrude out of the supporting assembly. The extrusion assembly is arranged corresponding to the supporting assembly, comprises an extrusion part and is connected to the pressure applying equipment, so that the pressure applying equipment can drive the extrusion part to move in the first direction to extrude the pole or shoulder height position of the to-be-detected battery cell. By using the compression resistance test tool, the actual battery cell can be used as a test object, whether the positive and negative tabs are in lap joint and short circuit, the deformation condition of the side wall of the battery cell and the like after the pole and the shoulder position of the battery cell are pressed can be detected, and the compression resistance characteristics of the pole and the shoulder position of the battery cell can be known more comprehensively. The utility model further provides a compression resistance testing system which comprises pressure applying equipment and the compression resistance testing tool, and the pressure applying end of the pressure applying equipment is connected to the extrusion part.

The simulation method for the mechanical impact test of the battery comprises the following steps: respectively carrying out tensile test on a sample piece of a preset positive plate, a sample piece of a preset negative plate, a sample piece of a preset diaphragm and a sample piece of a preset shell to obtain corresponding mechanical data; and / or respectively carrying out compression test on the components to obtain corresponding mechanical data; according to the material parameters and the mechanical data corresponding to the preset positive plate, the preset negative plate, the preset diaphragm and the preset shell, constructing a battery model; an impact process model is constructed according to the preset impact condition, an impact simulation test is conducted on a battery model corresponding to the preset battery through the impact process model, a simulation test result is obtained, and the simulation test result comprises energy data corresponding to the preset positive plate, the preset negative plate, the preset diaphragm and the preset shell. And performing an impact simulation test on the battery model by using the impact process model, so that the energy change of the preset positive and negative plates, the diaphragm and the shell in the impact process can be quantified.

The invention relates to the technical field of data acquisition assistance, in particular to a data acquisition assisting device which comprises a compression testing machine body, a transmission mechanism is rotationally connected to the inner wall of one side of the compression testing machine body, an auxiliary protective cover is arranged on the compression testing machine body in a sliding fit mode, and a waste seat is fixedly connected to the bottom end of the compression testing machine body. An adjusting mechanism is arranged in the waste material seat, a placing seat is rotatably connected to the adjusting mechanism, two connecting rod groups are rotatably connected to the inner wall of one side of the waste material seat, and an auxiliary material pushing plate is rotatably connected between the two connecting rod groups. According to the glass insulator compression resistance testing device, broken fragments in the testing process can be effectively blocked and protected, potential safety hazards and cleaning difficulty in a glass insulator compression resistance test can be effectively reduced, an auxiliary effect is achieved when compression resistance data detection is conducted on a glass insulator, and therefore the testing efficiency and the personnel safety are improved.

The utility model discloses regenerated carton compression resistance detection equipment, which comprises a base, the top of the base is in bolted connection with a carrier plate, the front side of the top of the carrier plate is provided with a moving structure, and through the arrangement of the base, the carrier plate, the moving structure, a carton placing plate, a limiting assembly, an electric control bracket and a pressure measuring structure, when compression resistance detection is carried out on a regenerated carton, firstly, the pressure measuring structure is used for measuring the compression resistance of the regenerated carton; a to-be-detected carton is placed on a carton placing plate, at the moment, a bidirectional electric push rod in a limiting assembly is started, the telescopic end of the rear side of the bidirectional electric push rod pushes a rear clamping frame, the telescopic end of the front side of the bidirectional electric push rod pushes a front clamping frame, the front clamping frame and the rear clamping frame move towards the middle from the front side and the rear side at the same time, and the carton is rapidly and accurately clamped and positioned; due to the effect of the two-way electric push rod, the carton placing device can adapt to cartons of different sizes, it is ensured that the cartons can be firmly fixed to the specific positions of the carton placing plates regardless of the sizes and the shapes of the cartons, complex position adjustment and judgment by operators are not needed, and the working efficiency is greatly improved.

The invention relates to the technical field of PVC pipe detection, in particular to a PVC pipe compression resistance detection device which comprises a detection machine table, a lifting plate is slidably connected to the detection machine table, a pressure applying plate is installed on the lifting plate, a trigger plate is installed on the lower side of the pressure applying plate, and a bearing table used for bearing a plastic pipe is fixedly arranged on the detection machine table. A supporting rod is fixedly connected to the detection machine table, a contraction plate is connected to the supporting rod in a sliding mode, a lower spring is further arranged on the supporting rod in a sleeving mode, a positioning seat is fixedly connected to the contraction plate, the positioning seat upwards penetrates through a contraction hole in the bearing table, and a positioning rod used for limiting the plastic pipe is installed on the positioning seat. According to the device, the plastic pipe can be limited before detection, the plastic pipe is prevented from rolling during placement, the plastic pipe can be accurately placed in the middle position, the limiting of the plastic pipe can be canceled in time when detection is started, the natural change rule of the plastic pipe in the radial compression state is prevented from being influenced, and the detection accuracy is improved. And the accuracy of detection data is ensured.

The utility model relates to the technical field of spring testing, in particular to a pneumatic valve spring high-temperature-resistant testing device which comprises a high-temperature cabinet main body, a rotating disc is rotatably arranged at the bottom end in the high-temperature cabinet main body through a rotating driving mechanism, a placing seat is fixed at the top end of the rotating disc, and a plurality of positioning rods are vertically fixed at the top end of the placing seat. A pressing plate is arranged above the placing seat in an up-and-down sliding mode through a linear driving part, a plurality of sliding holes corresponding to the positioning rods one to one are formed in the pressing plate in a penetrating mode, and by arranging the placing seat and the positioning rods, positioning of a plurality of pneumatic valve springs can be achieved; the compression test of the spring can be carried out in the high-temperature cabinet main body, whether the spring is deformed and fractured due to compression in a high-temperature environment is detected, and the detection precision is high.

The present invention relates to an all-in-one flexural and compressive testing machine, comprising a base, an flexural frame, a compressive frame and a display screen provided at the upper end of the base, a second hydraulic pump provided at the inner top of the flexural frame, an upper clamp driven by the second hydraulic pump provided on the side of the second hydraulic pump close to the base, a support seat provided on the side of the base close to the upper clamp, a rotating shaft provided on the side of the support seat close to the upper clamp, a lower clamp installed on the rotating shaft, the lower clamp installed on the rotating shaft, a motor driving the rotating shaft to rotate provided in the base, a first hydraulic pump provided on the side of the compressive frame close to the base, a pressure plate provided on the side of the first hydraulic pump close to the base, and a bearing seat provided on the side of the base close to the pressure plate. Since the flexural frame and the compressive frame are integrally cast and then processed, the present invention minimizes the accumulation of processing errors between parts, and has higher rigidity and strength; and has a beautiful appearance.

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.

The present invention provides a metal plate through-hole compression test device, which relates to the technical field of compression test, and comprises a mounting frame, wherein the bottom of the mounting frame is fixedly connected to a bottom plate, the top of the bottom plate is fixedly connected to a top platform, a hydraulic device is installed on the surface of the top platform, and the mounting frame comprises a support platform arranged inside, a plurality of constraint rods are arranged on the surface of the support platform in a ring array, a plurality of U-shaped support blocks are arranged on the surface of the support platform in a ring array, an auxiliary cover is arranged on the outside of the support platform, a first adjustment block and a second adjustment block are arranged inside the U-shaped support block, a plurality of first springs are arranged between the first adjustment block and the second adjustment block, and a third screw rod is threadedly connected to a first threaded hole opened on the surface of the U-shaped support block; the present invention synchronously adjusts the distance that the U-shaped support block of the support assembly moves toward the center, and can change the size of the support surface of the metal plate to simulate the support conditions in different actual use scenarios.

Provided are composite particles having low electrical resistance. The composite particles contain an electrode active material, a conductive material, and a binder material. When the composite particles are compressed at a load rate of 0.04 mN / sec by a minute compression testing machine, the test force at the failure point is 0.40 mN or more and 1.60 mN or less.

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 invention discloses a small-size hydrate sample forming and shear and compression resistance testing device and method.The device comprises a sample forming assembly, a humidity control unit and a testing assembly, and the sample forming assembly comprises a sample concave table, a hydrate synthesis kettle, a heat conduction block, a temperature control unit and a gas source; the hydrate synthesis kettle is flush with or higher than a groove opening of the concave sample table, the heat conduction block is arranged in the concave sample table and can move in the vertical direction relative to the concave sample table, the temperature control unit controls the environment temperature, and deionized water is injected into a throat of the hydrate synthesis kettle; the humidity control unit controls the environment humidity; the test assembly comprises a loading unit and a detection unit, the detection unit comprises a test probe, a mechanical sensor and a displacement sensor, the loading unit exerts pressure on the test probe in the horizontal direction and / or the vertical direction to act on the small-size hydrate sample, and the mechanical sensor and the displacement sensor detect pressurization load and displacement parameters; therefore, high-purity and small-size hydrate samples can be efficiently prepared and tested.

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.