341 results about "Test group" patented technology

The invention discloses a curtain wall structural adhesive damage detection method and device based on modal difference and digital twinning, and belongs to the technical field of digital twinning structural adhesive damage detection and evaluation. The problem that in the prior art, a traditional glass curtain wall structural adhesive damage detection and evaluation method based on the first-order inherent frequency is not sensitive to local boundary adhesive failure, and consequently the specific damage position cannot be positioned is solved. The method comprises the following steps: acquiring vibration data of a group of hidden framing glass curtain walls to be detected and a group of hidden framing glass curtain walls in a lossless state to obtain normal acceleration time history data; primarily screening second-order and third-order inherent frequencies, and judging whether the structural adhesive is damaged or not according to a difference constraint condition; further positioning the damage by using the boundary relative curvature modal difference, and judging whether the current measuring point is a damage point or not; and constructing a digital twinborn model and damage early warning, and outputting a parameter report and a visual damage evaluation result. The method effectively improves the boundary damage positioning precision, and can be applied to glass curtain wall structural adhesive damage detection.

The application discloses a curtain wall structure adhesive damage detection method and device based on modal difference and digital twinning, and belongs to the technical field of digital twinning structure adhesive damage detection and evaluation. The application solves the problem that the traditional glass curtain wall structure adhesive damage detection and evaluation method based on the first-order natural frequency cannot locate the specific position of damage due to the insensitivity to local boundary delamination. The application collects vibration data of the test group of hidden frame glass curtain walls and the non-damage state group of hidden frame glass curtain walls to obtain normal acceleration time history data. The second-order and third-order natural frequencies are preliminarily screened, and whether the structure adhesive is damaged is judged through the difference constraint condition. The boundary relative curvature modal difference is used to further locate the damage, and whether the current test point is a damage point is judged. A digital twinning model and damage early warning are constructed, and a parameter report and a visual damage evaluation result are output. The application effectively improves the boundary damage positioning accuracy and can be applied to glass curtain wall structure adhesive damage detection.

The invention discloses a composite limit test control method and device for a source table. The method comprises the following steps: firstly, responding to a digital trigger signal to initialize a source table test system, and setting test working parameters and limit test group parameters; then, the currently obtained measurement data is sequentially compared with each limiting test group parameter to obtain a comparison result; executing a limiting test comparison process according to the enabling starting state identified by the obtained comparison result; and finally, outputting a test result signal corresponding to each limiting test group parameter. Due to the fact that the source meter is changed from a single measuring instrument to an intelligent testing and control node on a production line, real-time data analysis and decision making are achieved through composite limitation, seamless linkage with the production line is achieved through output testing result signals, and finally full-automatic, high-efficiency and high-reliability production testing and sorting are achieved.

The embodiment of the invention provides a method and system for evaluating the health state of power equipment, and belongs to the technical field of artificial intelligence. The method comprises the following steps: acquiring an inspection record of each component of the power equipment; performing quantitative scoring on each inspection record to obtain an inspection record matrix of the power equipment; obtaining a maintenance record of the power equipment; performing quantitative scoring on the maintenance records to obtain a maintenance matrix of the power equipment; matching and comparing the inspection record matrix and the maintenance matrix to obtain a minimum health state assessment period; dividing the inspection record matrix and the maintenance matrix according to the minimum health state evaluation period to obtain associated data of inspection records and health states; randomly splitting a data set formed by the associated data to obtain an iteration group and a test group; generating a weight sequence according to the iteration group by adopting a preset weight iteration algorithm; and testing the weight sequence by adopting the test group to determine whether the weight sequence is qualified or not.

The invention relates to the technical field of composite film strength detection, and discloses a composite film peel strength testing device which comprises a testing platform, two pulling sliding plates slidably mounted in the two extending parts respectively and capable of being synchronously and mutually close to or away from each other for adjustment, and the two pulling sliding plates are arranged on the testing platform. The opposite ends of the two pulling sliding plates are each provided with a clamp used for clamping a single-layer film of a composite film separation section. The clamping assembly is arranged in the test platform and is used for clamping and limiting the fitting section of the composite membrane and enabling the separation section and the fitting section of the composite membrane to form a Y-shaped state; and two groups of test assemblies. Through the Y-shaped constant-angle stripping design, the stripping surface of the composite film is uniquely locked, the stripping angle is kept unchanged in the whole testing process, and the effects that stripping cracks are stably limited to a specified unique interface, crack initiation is controllable and deviation is avoided are achieved.

The invention is suitable for the technical field of traveling block hook testing, and provides a testing device for a traveling block hook and a testing method thereof.The testing device comprises a mounting assembly used for providing rigid support for the whole device and a testing assembly arranged on the mounting assembly, the test assembly is used for applying a simulation load to the hook assembly of the traveling block, the detection assembly is arranged on the mounting assembly and is used for carrying out image acquisition on the hook assembly of the traveling block, and the test assembly comprises a clamping unit and a load simulation unit which are oppositely arranged from top to bottom. The clamping unit comprises a suspension oil cylinder, a first hinge structure and a fixing seat, the load simulation unit comprises a load oil cylinder and a second hinge structure, a friction effect equivalent load is introduced through an equivalent load model, the defect that the friction force of a drilling tool is neglected in an existing test is overcome, the test load better fits the actual drilling working condition, and the test efficiency is improved. The accuracy of a detection result is improved.

The invention provides a double-station radio frequency chip high-low temperature high-speed test sorting machine which comprises a test assembly, and the test assembly comprises a shell, a workbench, a preprocessor, a first air inlet pipe, a first exhaust pipe, a placing device and a detection table; the inner side wall of the shell is fixedly connected with a workbench, two preprocessors are symmetrically installed on the top of the workbench, the outer side walls of the preprocessors communicate with an air inlet pipe and an exhaust pipe, and the top of the workbench is symmetrically and fixedly connected with two detection tables. The chip is preprocessed through the preprocessor, it is ensured that the chip reaches the required test temperature before entering the detection table, and therefore the overall test time is shortened. The test cover slidably connected to the test bench facilitates rapid replacement of the test chip, and further improves the test speed. By adding the double testing stations, testing can be carried out alternately, two groups of chips can be tested at the same time, the waiting time is shortened, and the testing efficiency is improved.

The invention relates to the technical field of low-temperature testing, in particular to module power supply low-temperature testing equipment which comprises a machine body, a mechanical arm feeding set, a testing set, a first translation power mechanism and an air inlet mechanism are installed on the machine body, a plurality of testing bins which are separated in a sealed mode are arranged on the testing set, and at least one testing jig is arranged in each testing bin. The test fixture is arranged to position and place a to-be-tested product, the to-be-tested product is placed on the test fixture through the manipulator feeding group, and the test fixture is electrically connected with the positioned and placed to-be-tested product; the modular splitting of the bin cover, the test group main body and the air inlet mechanism is realized, namely the modular splitting of a sealing function, a positioning test function and a low-temperature air supply function is realized; when a test fixture or a circuit needs to be replaced, only the main body part of the test group needs to be replaced, and the bin cover and the air inlet mechanism do not need to be changed; similarly, the bin cover and the air inlet mechanism can be independently replaced or maintained, so that the operation and maintenance flexibility and convenience of the equipment are improved.

The invention discloses a gas film flow field pressure testing device, and particularly relates to the technical field of gas bearing detection, the gas film flow field pressure testing device comprises a rack, a testing assembly is arranged on the rack, the testing assembly comprises a testing table arranged on the rack, and two bases are arranged at the bottom of an inner cavity of the testing table; and two ends of each base are respectively provided with a pressurizing block for testing a test piece. According to the invention, the deflection angle of the articulation piece is adjusted through the screw rod, and the arc-shaped constraint groove and the self-weight resetting structure of the pressurizing block are matched, so that gas bearing test pieces with different outer diameters and different groove type parameters can be flexibly adapted; the adaptability depends on standardized test logic formed by collaborative research and development, and on the contrary, the test capability of accurate data and panoramic working conditions covers more application scenes, so that an accurate, comprehensive, efficient and practical closed-loop advantage is formed, and the industrial application value of the device is remarkably improved.

The invention relates to an adjustable experimental device for thrust testing, and belongs to the technical field of detection experimental equipment. Comprising a positioning base provided with a first positioning hole, a second positioning hole and a third positioning hole; the test fixing seat is detachably mounted on the positioning base through the first positioning hole, and the test fixing seat is provided with an accommodating space for accommodating a test workpiece; the supporting assembly is mounted on the positioning base through the second positioning hole; the first driving seat is provided with an adjusting part in a first preset direction and an adjusting part in a second preset direction; and the testing assembly is mounted in the adjusting part and the accommodating space. The method is used for solving the technical problem that in the prior art, an error is caused by a movable gap in a method that a driving positioning rod drives a driven rod to conduct clamping and positioning.

The invention relates to the technical field of signal testing, and provides a Web-based PCIe signal testing method, device, system, equipment and medium, and the method comprises the steps: receiving a structured test task file uploaded by a user based on a Web front end, analyzing and extracting a to-be-tested combination parameter, and generating a test task queue; for each test task in the test task queue, calculating a target pulse count value required by PCIe preset parameter switching of the to-be-tested device, controlling the signal generator to output a corresponding target pulse signal, and triggering the to-be-tested device to be switched to a target state; for each test task, configuring oscilloscope parameters, loading a matched link loss simulation file, and controlling an oscilloscope to automatically collect and standardly store waveform data; automatically analyzing the waveform data, and extracting key index data; and filling the key index data into the test report template to generate a target test report. Through the technical scheme, the test efficiency is improved, and the accuracy and consistency of the test are ensured.

The utility model provides a drawing test tool, which belongs to the technical field of energy storage battery manufacturing and testing equipment.The drawing test tool comprises a test bench, a clamping assembly, a gantry support, a first locking assembly, a drawing test assembly and a second locking assembly, the clamping assembly is arranged on the test bench, the gantry support is arranged on the gantry support, and the second locking assembly is arranged on the gantry support. The object to be tested only needs to be clamped and positioned on the test rack through the clamping assembly, the gantry support is slidably arranged on the test rack in the first direction, and the drawing test assembly is slidably arranged on the gantry support in the second direction, so that the drawing test assembly can perform two-dimensional movement on the plane parallel to the test plane of the object to be tested; therefore, the drawing test assemblies can be moved to different test positions on the same surface of the to-be-tested object respectively without moving and adjusting the position of the to-be-tested object on the test bench or reloading the to-be-tested object, and the tensile mechanical properties of the to-be-tested object at different test positions can be tested quickly, accurately and efficiently.

The utility model discloses a loudspeaker double-test-position sorting machine which comprises a positioning assembly, the positioning assembly comprises a positioning table, a positioning detection piece and a positioning table driving piece, the positioning table is provided with at least two positioning carrying tables and at least two positioning carrying table driving pieces, and the two positioning carrying tables are both rotatably installed on the positioning table; the at least two positioning carrying tables are arranged at intervals in the Y-axis direction; the positioning detection piece is used for detecting the positioning angle of the positioning carrying table; the testing assembly comprises a testing table, a testing mechanism and a testing driving part, the testing table is provided with at least two testing grooves, and the at least two testing grooves are arranged at intervals in the Y-axis direction; the test mechanism is arranged above the test bench; a feeding assembly; a transfer assembly; and a discharging assembly. According to the utility model, the at least two positioning carrying tables on the positioning table successively rotate and position the at least two loudspeakers, and then the loudspeakers are transferred to the at least two test grooves of the test table for synchronous test, so that the test efficiency is improved.

The invention discloses an accurate measurement device and method based on water tunnel flow field resistance, and relates to the technical field of flow field medium measurement. Comprising a working section and a test board. The working section is internally provided with a testing assembly for testing the flow field medium resistance of the testing plate; the test assembly comprises a fixed plate; sensor fixing seats are symmetrically and fixedly connected to the fixing plate, force sensors are fixedly connected to the sensor fixing seats, and the force sensors are used for detecting the force values of a flow field medium in the working section acting on the X-axis direction and the Y-axis direction of the testing plate; the force sensors are fixedly connected with connecting plates. An adjusting assembly used for adjusting the height of the testing plate is arranged between the testing plate and the connecting plates. The force measuring directions of the Y-axis directions of the adjacent force sensors are opposite, and the force value output by the S-shaped force sensor is the resultant force of the X-axis direction and the Y-axis direction; the horizontal resistance of a flow field medium borne by the test plate can be accurately measured, meanwhile, the pressure difference interference force in the vertical direction is effectively counteracted, and the resistance test precision and stability are improved.

The invention provides a thermal resistance model construction method of an LDMOS (Laterally Diffused Metal Oxide Semiconductor) device, which is characterized in that a plurality of N-type doped isolation layers are formed on a substrate, an LDMOS structure is formed on each N-type doped isolation layer, all LDMOS structures are divided into different test groups according to different key sizes, and the key sizes at least comprise a total channel width and a cross index; measuring the thermal resistance of the LDMOS structure in each test group so as to respectively extract a thermal resistance value array of each group, and performing data fitting on the thermal resistance value array of each group so as to obtain a thermal resistance model of the relationship between the thermal resistance value of the LDMOS structure and the critical dimension; according to the method, the thermal resistance model of the full-size LDMOS device can be constructed by only utilizing a limited number of LDMOS structures in a primary tape, so that the thermal resistance of the LDMOS devices with different sizes can be predicted, the self-heating effect of the device can be accurately evaluated in the design stage, the device design is optimized, the development cost of the device is reduced, and the research and development period is shortened.

The invention provides a test model of a soil slope rain wash protection device and a design method, and belongs to the technical field of engineering simulation tests. The test model comprises a test soil slope; each protection test group comprises at least one protection unit, the protection units of different protection test groups are different in at least one of size, number and spacing, each protection unit comprises a protection structure, the protection structure comprises a gabion mesh cage and broken stones located in the gabion mesh cage, and the broken stones are arranged in the gabion mesh cage. The two opposite sides of the protection unit in the width direction are a back plane and a step surface respectively; the pressure sensor group is arranged at the target position of each protection unit; the deformation sensors are arranged on the step surfaces of the protection units; the dust and sand box is arranged on the ground in front of the slope surface of the test soil slope and is used for collecting the amount of muddy water falling from the test soil slope; and the rainfall model is used for simulating a rainfall scene. The slope protection structure meeting the stress requirement can be designed according to a specific soil slope.

The invention discloses a liquid-cooled cabinet and a liquid-cooled cabinet testing method, which are applied to the technical field of electronic equipment testing, and the liquid-cooled cabinet comprises a testing assembly which comprises a testing box body with a testing cavity, and the testing cavity extends in the transverse direction so that electronic equipment can be installed from the transverse first side of the testing cavity to the transverse second side of the testing cavity, the second side of the test box body is provided with a power grid box body joint; the power grid box body joint is used for being connected with a power grid equipment joint of the electronic equipment; the liquid supply assembly is used for conveying the cooling liquid into the test cavity and recycling the cooling liquid from the test cavity; the electric control assembly is connected with the testing assembly and the liquid supply assembly, and the electric control assembly is used for obtaining height information of the electronic equipment in the testing cavity and determining the liquid supply amount of the liquid supply assembly according to the height information. According to the liquid cooling cabinet provided by the invention, the mounting position of the electronic equipment can be automatically obtained, so that the liquid supply amount of the liquid supply assembly is automatically determined, and the electronic equipment is convenient to disassemble and assemble.

The application discloses a kind of based on orthogonal test optimization coriolis flowmeter and its structural design method.The optimization design solves the deficiency of many structure optimization experiment numbers and low optimization efficiency caused by the optimal selection of the structure of measuring tube under the condition of limited installation space.The design method comprises the following steps: 1) determining the total length of measuring tube;2) selecting the optimization variable of measuring tube;3) establishing the orthogonal test combination with interaction;4) screening the established orthogonal test combination with interaction, merging repeated test groups and calculating the actual size of each optimization variable;5) constructing fluid-structure coupling numerical model based on orthogonal test group, solving the flow coefficient of each test group;6) analyzing the results of orthogonal test, obtaining the optimal measuring tube type.The optimization design structure of the coriolis flowmeter disclosed in the application enables the measuring tube to have a larger flow coefficient under the condition of fixed length, improves the measurement accuracy and sensitivity of the coriolis flowmeter, and provides an efficient and convenient optimization design process for the structure optimization of the measuring tube of the coriolis flowmeter.

The invention provides a large-scale load test device and test method for a crane, and relates to the technical field of nuclear power hoisting equipment, and the device comprises a cross beam, a shoulder beam, a supporting leg group, a pedestal, a pressure test assembly, a cushion block, and a tested piece. The supporting leg group is connected with the base and the shoulder beam to form a supporting frame; the pressure testing assembly is arranged on the upper plane of the shoulder beam. The cushion blocks are placed on the shoulder beam and located on the two sides of the hydraulic cylinder. And the cross beam is arranged above the shoulder beam and is positioned through a guide structure. During testing, the cross beam is jacked through the pressure testing assembly, and a load is applied to a tested piece connected between the cross beam and the base. According to the invention, hydraulic loading is used for replacing the traditional mode of'lifting equipment + balancing weight ', the device has the advantages of simple structure, simplified process flow, high load applying precision, safe and reliable operation and the like, and the problems of large occupied area, long period and high cost of the traditional test method are effectively solved.

The utility model discloses equipment for testing the tensile stress-strain performance of a rubber combined narrow V-shaped belt, and relates to the technical field of rubber testing, the equipment comprises a bottom plate, and the top end of the bottom plate is respectively provided with a testing assembly and a protection assembly; the protection assembly comprises a protection shell, and a transparent observation plate is slidably arranged on one side of the outer wall of the protection shell. The testing assembly comprises an electric sliding rail and two movable sliding blocks, a C-shaped plate and a machine shell are fixedly installed at the top ends of the movable sliding blocks respectively, a first screw rod is rotatably installed on the inner wall of the machine shell, the top end of the first screw rod penetrates through the top end of the machine shell, and a first bevel gear is fixedly installed at the top end of the first screw rod. According to the V-belt stretching test device, the V-belt fixing and clamping efficiency is improved, the stretching test speed of the V-belt is effectively improved, the automatic opening and closing design of the transparent observation plate facilitates preparation work before the test, the protection effect is ensured in the test process, and the safety of the test process is improved.

The utility model provides automatic detection equipment for a laser distance measuring sensor, and belongs to the technical field of laser detection equipment, the automatic detection equipment specifically comprises a test assembly and a shielding assembly, the test assembly comprises a rotary test motor, and the driving end of the rotary test motor is vertically arranged upwards; the test shell is a cylindrical hollow shell, two rows of test holes are uniformly formed in the side wall of the test shell at intervals, and the bottom surface of the test shell is fixedly connected with the driving end of the rotary test motor; the distance measuring track is arranged along any radius extension line of the bottom edge of the testing shell, and distance scales are marked on the distance measuring track; the light reflecting plate is connected to the distance measuring track in a sliding manner; the shielding assembly is used for shielding an optical signal emitted by a sensor to be tested in the test shell. Through the processing scheme provided by the invention, the automation degree is improved.

Test arrangement, which includes test components interconnected via a data bus safer, and method of operating the test arrangement. Test components of the test devices are connected according to a specified test configuration; at least one test device having a functional-test unit is defined as an initiator device; all test components connected to the data bus are determined and stored as a test-component list in the initiator device; the test-component list is transmitted to a verification unit connected to the initiator device and displayed; the displayed test-component list is checked; the displayed test-component list is confirmed when it corresponds to the specified test configuration, and the test-component list is transmitted as a user configuration list to the initiator device and compared with the test-component list; and the test arrangement is brought into a ready-for-operation state when the user configuration list received corresponds to the stored test-component list.

The invention relates to a positioning device for testing. The positioning device comprises a bottom plate; the supporting assembly comprises a mounting plate and a circuit board, the mounting plate is connected with the bottom plate, and the circuit board is located on the mounting plate; the test assembly comprises a mounting seat and a test piece, the mounting seat is connected with the mounting plate, the circuit board is clamped between the mounting seat and the mounting plate, the test piece is clamped with the mounting seat, and one end of the test piece abuts against the circuit board; the positioning assembly comprises a connecting base, a first elastic piece, a movable plate, a cover plate, a first positioning piece and a second positioning piece, the connecting base is connected with the bottom plate, the movable plate is slidably connected with the connecting base, the first elastic piece is located between the movable plate and the bottom plate, the cover plate is hinged to the movable plate and can move towards the mounting base, and the first positioning piece is hinged to the cover plate; the second positioning piece is connected with the bottom plate, and the first positioning piece can be connected with the second positioning piece in a clamped mode. According to the positioning device for testing, the precision of alignment of the camera and the test piece during testing can be improved.

The utility model discloses a testing device for a piezoresistor, which belongs to the technical field of resistance testing, and comprises a detection table and a direct current parameter tester, the top of the detection table is provided with a mounting groove, the interior of the mounting groove is provided with a conveying assembly, the conveying assembly is used for conveying the piezoresistor to be detected, and the direct current parameter tester is connected with the detection table. A fixing frame is fixedly connected to the top of the detection table, a test assembly is installed on the fixing frame, and the test assembly is used in cooperation with a direct-current parameter tester to test a piezoresistor to be detected. The piezoresistor testing device does not need to manually test the piezoresistor, is convenient and efficient in testing, is convenient for workers to quickly know the testing result, and is suitable for being popularized and applied by enterprises.

The invention discloses a high-altitude anti-falling comprehensive test platform, and belongs to the field of detection equipment. Comprising a bearing device and a fatigue test assembly which is arranged between two groups of supporting parts; the first static and dynamic test assembly comprises a static test part and a dynamic test part; the static and dynamic test assembly II is connected and arranged among the multiple groups of support parts; the single hanging point test assembly is arranged on the bearing rod piece I; the third static and dynamic test assembly is arranged on the supporting rod piece; and the trial installation testing assembly is arranged on the supporting rod piece. According to the high-altitude anti-falling comprehensive test platform, samples are tested from multiple dimensions through multiple assemblies, specific scene testing is completed, test dimensions are enriched, equipment dependence is reduced through comprehensive design, cost and land are reduced, the process is simplified, efficiency is improved, the requirements for batch and rapid inspection are met, test comprehensiveness and efficiency are improved, and the test efficiency is improved. The problems of single function and insufficient scene coverage of similar equipment are solved, and diversified test requirements can be met.

This invention discloses a sample loading fixture for stress testing, relating to the field of stress testing technology. The invention includes a base plate with several support components mounted on its bottom surface. A slide rail mechanism is fixed to the top of the base plate, and a support assembly and a testing assembly are connected to the top of the slide rail mechanism. The support assembly and the testing assembly are interconnected. A positioning seat is mounted at one end of the top surface of the base plate. A positioning component is provided on one side of the support assembly, and a pressure plate mechanism is provided on the other side. An adjustment mechanism is provided between the testing assembly and the base plate. A position counting component is provided on one side of the slide rail mechanism. This invention, through a stepped planning of the distance the support assembly is pulled, and by comparing the tensile force display of the force gauge and the tensile stress reading of the stress sensor, forms multiple regular test control groups. Coupled with a high-precision testing environment, this enables comprehensive measurement of tensile stress data and completes a comprehensive and accurate recording of the tensile strength of the substrate glass.

The utility model discloses a combination line product test tool which comprises a workbench, a test box is fixed on the rear side of the top wall of the workbench, an air cylinder is fixed on the top wall of the test box, and a movable end at the bottom of the air cylinder penetrates through the top wall of the test box in a sliding mode and is fixedly provided with a pressing mechanism. The fixing mechanisms are symmetrically fixed on the box walls on the two sides in the test box, and the fixing mechanisms are matched with the pressing mechanism to be used for fixing a to-be-tested combination wire; the slide rheostat is arranged in the working table, and the utility model relates to the technical field of combination wire test equipment. According to the utility model, the pressing mechanism is controlled to move downwards through the arranged cylinder, so that the pressing mechanism is matched with the fixing mechanism to fix the combined wire, voltage and current tests of the combined wire are carried out, and the combined wire can be kept in a stable fixed state in the whole test process; and test errors caused by looseness or unstable position of the combination line in a traditional test method are avoided.

The utility model relates to the field of chip testing, in particular to a pressure-adjustable testing module, and adopts the technical scheme that the pressure-adjustable testing module comprises a testing seat, a plurality of placement tables which are arranged on the testing seat and are used for loading chips, a testing assembly which is arranged on the testing seat and is used for detecting the chips, and a driving device which is used for driving the testing assembly to move up and down, the pressure proportional valve is electrically connected with the controller, the pressure adjusting air cylinder is electrically connected with the pressure proportional valve, and the piston end of the pressure adjusting air cylinder is connected with the testing assembly. According to the invention, the test pressure can be adjusted according to the pressure required by chip detection, and the practicability and adaptability of the test module are improved.

This utility model discloses a high-performance concrete impermeability testing device, including a testing box and a test block. The test block is slidably connected inside the testing box, and a testing component is movably connected above the test block inside the testing box. The advantages are: by installing a pressure plate inside the testing cylinder and the pressure cylinder, and configuring an electric push rod for driving the pressure plate to adjust its displacement, this utility model achieves flexible and precise adjustment of the water pressure inside the testing cylinder and the pressure cylinder. Therefore, the testing device can perform more accurate testing on the concrete test block. Furthermore, it can control the pressure plate to increase the water pressure at an appropriate time and decrease it after an appropriate time, thus achieving a more comprehensive testing effect on the concrete test block. Alternatively, it can control the pressure plate to continuously increase the water pressure at a certain speed and gradually decrease it after reaching a set value, thereby achieving a linear testing effect.

The application discloses a detachable modular test platform, which comprises a gantry, a control box and a jig box, the jig box is installed at the bottom of the gantry, the control box is installed on one side of the gantry, the jig box is provided with a test area, the gantry is provided with a cylinder opposite to the test area, the control box is provided with a control assembly, and the jig box is provided with a test assembly; the control box is connected with an upper computer through the control assembly, the control assembly is connected with the test assembly to realize signal transmission, during testing, a sample to be tested is placed on the test area of the jig box, the upper computer sends a command to control the cylinder to extend a driving rod to the sample to be tested; the upper computer sends a command to the control assembly in the control box, different test conditions are provided, the test of the sample is completed, test data are output and uploaded to a server and saved. The application adopts a modular structure, reduces the volume, is convenient for detection and is suitable for various applications.