164results about How to "The test effect is good" patented technology

The embodiment of the invention discloses a gray release method and device for a software upgrading system, equipment and a product. The gray release method comprises the following steps: constructing a first matrix and a second matrix according to user behavior data; elements in the first matrix are used for representing actual operation executed by each user for the function of each initial software system; determining a first target user based on the first matrix, and determining a second target user based on the second matrix and the first target user; determining a pushing parameter and an actual target user according to the target software system and the initial software system; the target software system is a system after the initial software system is upgraded; and transmitting the access request of the actual target user to the target software system by using the micro-service architecture, so that the target software system completes gray release. According to the technical scheme, accurate pushing of the target software system is realized by utilizing the user behavior data, so that the adoption rate of the target software system is improved, and a better test effect is provided.

The invention discloses a torsion tensile testing machine which comprises a rack, a first main shaft, a coupler, a tensile driving assembly and a first torsion driving assembly, the first main shaft is connected with one end of the test piece, the test piece is installed on the rack, the coupler comprises a pulling plate and two bearings, a convex disc is arranged in the middle of the first main shaft, the two bearings are arranged on the first main shaft in a sleeving mode and located on the two sides of the convex disc respectively, and the stretching driving assembly is connected with the pulling plate. The stretching driving assembly applies an axial load to the first main shaft through the pulling plate, and the first torsion driving assembly applies a torsion load to the test piece. The tension and compression load and the torsion load from the tension driving assembly and the first torsion driving assembly are integrated to the first main shaft through the coupler, the first main shaft is utilized to apply the set static or dynamic tension and compression load and torsion load to the test pup joint at the same time, and various complex stresses borne by a drill rod of the top drive drilling machine during working are simulated. Technicians are helped to evaluate and test the performance of the short circuit more truly.

The invention discloses a heterostructure composite material and a preparation method thereof, and a preparation method and application of a composite material positive electrode, the preparation method of the composite material comprises the following steps: sequentially adding a solvent, vanadium pentoxide and a conductive polymer monomer into ball milling equipment for ball milling to obtain conductive polymer intercalated vanadium pentoxide; 2, adding the conductive polymer intercalated vanadium pentoxide obtained in the step 1 into a solvent, uniformly mixing, and sequentially adding a silver nitrate solution and a reducing agent to obtain a composite material with a heterostructure formed by the Ag nanocrystal modified conductive polymer intercalated vanadium pentoxide; according to the manufacturing method of the aqueous zinc ion battery positive electrode, the process is simple, the cost is low, the yield is high, the repeatability is good, the zinc ion battery positive electrode material with good rate / cycle performance and high coulombic efficiency is obtained, and the prepared product is excellent in performance through an electrochemical performance test.

The invention provides a built-in self-test circuit, a built-in self-test method and a memory. The method comprises the following steps: generating initial test data through a data module; receiving a flipping signal through a flipping module, if the flipping signal is in a first state, performing negation processing on the initial test data, and generating and outputting target test data; and if the flip signal is in the second state, directly outputting the initial test data as target test data.

The invention discloses a device and a method for detecting the wear resistance of a textile fabric, belongs to the technical field of wear resistance detection, and aims to solve the problem of poor test effect caused by inaccurate pressure application and incapability of changing the friction direction of the textile fabric when the existing reciprocating flat wear test equipment is used. The motor drives the rotating disc to rotate, the movable rod drives the sliding seat to move up and down in a reciprocating mode, the abrasive rubs the fabric, in the process, the balance weight exerts vertical pressure through the connecting line, it is ensured that the fabric is attached to the abrasive, and the real friction condition is simulated; the friction angle of the fabric is intermittently changed through the intermittent rotation of the first straight gear driven by the tooth position and the action of the subsequent transmission assembly, so that the comprehensiveness of the test is ensured, the applied pressure is accurate, the friction angle of the fabric is changed during the test, the structure is simple, and the test effect is good.

The invention relates to the field of load switch production, and discloses a high-voltage load switch and a testing device thereof.The high-voltage load switch comprises a base, a vertical frame is fixed to the base, an energy storage mechanism is rotationally arranged on the base, the testing device comprises a bottom frame, a material conveying table is fixed to the bottom frame, and penetrating grooves are symmetrically formed in the material conveying table; a material supporting plate used for fixing the base is arranged in the penetrating groove in a sliding mode, an opening groove is formed in the material supporting plate, first sliding tables which are symmetrically distributed are fixedly arranged on the bottom frame, second sliding tables are fixed to the first sliding tables, lifting blocks are arranged on the second sliding tables in a sliding mode, and second motors are fixed to the lifting blocks. The height of the high-voltage load switch is increased by the retainer plate, so that the internal structure of the shell of the high-voltage load switch is suspended, the internal operation condition of the high-voltage load switch is convenient to observe, the stability of the high-voltage load switch in the transferring and lifting process is high, and the safety of the high-voltage load switch is ensured; and carrying out dynamic and static balance test on the high-voltage load switch, and testing the operating lever strength and the operating smoothness of the high-voltage load switch.

The utility model discloses a strength testing device for hydraulic pipe fitting production, relates to the technical field of hydraulic pipe fitting testing, solves the problem that strength testing on the surface of a hydraulic pipe fitting is inconvenient, and comprises a workbench, a testing box is fixedly mounted at the top of the workbench, and a moving mechanism is arranged at the top of an inner cavity of the testing box. By arranging the positioning cylinder, the first electric air cylinder and the first clamping plate, the hydraulic pipe fitting which is vertically placed can be clamped and fixed, so that the end face strength of the hydraulic pipe fitting can be conveniently tested, and by arranging the positioning frame, the second electric air cylinder and the second clamping plate, the hydraulic pipe fitting which is horizontally placed can be clamped and fixed; by means of the scheme, not only can the vertically-placed hydraulic pipe fitting be subjected to a fixed test, but also the horizontally-placed hydraulic pipe fitting can be subjected to a fixed test, the test range is wide, and the test effect is good.

The invention discloses a parameter identification method of a lithium battery electrochemical model based on a machine learning classifier and a heuristic algorithm, relates to the parameter identification method of the lithium battery electrochemical model, and aims to solve the technical problem that the existing parameter identification method of the lithium battery electrochemical model is low in identification efficiency. The method comprises the following steps: carrying out sensitivity analysis on parameters of an electrochemical model, classifying the parameters, and selecting high-sensitivity parameters as identification objects; initializing a heuristic algorithm, collecting parameter set data used for classifier training and corresponding convergence labels, and calculating correlation between each parameter in the parameter set and the convergence of the electrochemical model; constructing a classifier based on a machine learning algorithm, training the classifier by using the parameter set data with high correlation, and then finely adjusting the classifier by using the parameter set data with low correlation; and the heuristic algorithm is initialized again, iteration is carried out until the set times or the precision meets the condition, and accurate parameter identification is completed. The method can be used in electrochemical field.

The invention provides a harmonic enhancement type load traction system. The harmonic enhancement type load traction system comprises a circulator, an impedance tuner, a high-pass filter, a radio frequency power amplifier and a non-reflection duplexer which are connected end to end to form a closed-loop structure, the input end of the circulator is connected with a bias structure of a to-be-tested device, and the non-reflection duplexer is connected with a fundamental wave signal to form an open-loop structure; the active closed-loop load traction structure is used at the harmonic wave position, the active open-loop load traction structure is used at the fundamental wave position, tuning of the fundamental wave and tuning of the second harmonic wave are effectively compatible, the integration level is high, and impedance tuning of the harmonic wave can be achieved under the condition that other equipment such as a signal source is not introduced.

The invention belongs to the technical field of oil seal leakproofness test, and particularly relates to a high-low pressure gas spring oil seal leakproofness test box for an automobile suspension system, the high-low pressure gas spring oil seal leakproofness test box comprises a seal test device and a pressure balance system, the seal test device comprises a box body, a partition plate, an upper cover plate, a lower sleeve and a reinforcing mechanism; a box plate is in shaft connection with the upper portion of the box body, a display screen and a plurality of buttons are fixed to one side of the box body, the partition plate is fixedly installed on the inner wall of the box body, the lower sleeve is fixedly installed in the middle of the partition plate, the inner wall of the partition plate is slidably connected with an air pressure plate, an air pressure rod is fixed to the lower portion of the air pressure plate, and a hole is formed in the middle of the partition plate. According to the device, the problems that the test quality is influenced by a gap generated between an oil seal and a simulated gas spring due to the inaccurate simulation environment of the gas spring oil seal during the current oil seal tightness test, and the accuracy of a test result is greatly influenced by looseness caused by the fact that the simulated gas spring cannot be reinforced in the process are solved.

The invention discloses a buried PE pipeline depth detection method. The method comprises the steps that the basic trend of a pipeline is determined; a plurality of horizontal plane measuring lines are arranged according to the basic trend, each plane measuring line is provided with a plane measuring point, and a plane positioning line of the pipeline is determined according to a signal value obtained by a signal receiving device at the plane measuring point; a vertical point location is arranged according to the plane positioning line of the pipeline, a depth measuring line is downwards arranged at the vertical point location perpendicular to the ground, a depth measuring point is arranged on the depth measuring line, and the depth position of the pipeline is determined according to a signal value obtained by a signal receiving device at the depth measuring point. According to the detection method, the depth position of the buried gas PE pipeline is detected through a direct method, more test environments are met, and the test accuracy can be effectively improved; and a more accurate test result can be provided for actual engineering, so that the safety risk during pipe network transformation is effectively reduced.

The invention discloses a wear resistance testing device for a water-based UV photocuring antibacterial wear-resistant coating plate, and belongs to the technical field of plate wear resistance testing, the wear resistance testing device comprises a main body device, the main body device is used for driving a plate to move and carrying out wear detection on the plate, and a wear device and a powder spraying device are arranged on the main body device; the wear device is used for carrying out wear resistance test on the plate; the powder spraying device is used for spraying fluorescent powder to the surface of the plate; the main body device drives the placing frame to intermittently convey the plate, when the plate is conveyed, the test box and the outer powder spraying box are in a lifting state, and when the plate is stopped being conveyed, the test box and the outer powder spraying box are in a pressing state, so that the automation degree is high, and the continuity is good; after the test box of the wear device is pressed down, the wear resistance test is performed on the surface of the plate through the steel brushes with different sizes and rotating speeds, and the test effect is good; after the outer powder spraying box of the powder spraying device descends, fluorescent powder is sprayed to the surface of the plate, then the surface of the plate sprayed with the fluorescent powder is detected through the camera, and the detection effect is good.

The invention relates to the technical field of diaphragm tests, in particular to a diaphragm life test device which comprises a base, a rectangular groove is formed in the vertical end face of the base, a first telescopic rod is fixed to the transverse end face of the base, and a reciprocating impact mechanism is fixed to the telescopic end of the first telescopic rod. The reciprocating impact mechanism comprises a fixing frame fixed to one telescopic end of the telescopic rod, a rectangular shell is fixed to the end, away from the rectangular groove, of the fixing frame, a supporting block is arranged in the rectangular shell, and an adjusting assembly is fixed in the supporting block. The two-way pumping device can adjust the amount of hydraulic oil in the sealing shell and the hydraulic oil pipe, the moving distance of the rubber block is inversely proportional to the moving distance of the placing plate, and the amount of hydraulic oil in the two cavities is inversely proportional, that is, the two-way pumping device can pump hydraulic oil into the hydraulic oil pipe according to the diameter of the diaphragm; and the device can be adjusted to a corresponding limiting range without being adjusted in sequence, so that the device is relatively convenient to use.

The invention discloses a black box fuzzy testing method and device based on feedback enhancement. According to the method, field boundaries are divided by means of structural feature changes of messages, an automatic semantic inference method is constructed on the basis, abstract relation between field features and semantic categories is learned from a public protocol, and learned knowledge is applied to inference of semantics of all fields in a private protocol; and finally, equipment feedback messages are collected in the fuzzy testing process to establish a new feedback mechanism, and variation types and variation strategies are adjusted according to feedback information. According to the method, the field boundary and semantic information can be automatically identified based on the network communication data of the industrial site, manual participation is not needed, the field boundary and semantic information are used as the basis for establishing a feedback mechanism, and a good test effect is achieved for a complex and private industrial control protocol.

The present invention discloses a prestressed vertical duct grouting pressure seepage test device and test method, wherein the experimental device includes a grouting device, a pressurizing device and a columnar pressure vessel; the pressure vessel includes a closed cylinder and a grouting port, an exhaust port and a seepage discharge port arranged on the closed cylinder; valves and pressure gauges are respectively arranged at the grouting port and the exhaust port; the pressurizing device can inflate and pressurize the columnar pressure vessel through the exhaust port; the grouting device grouts the columnar pressure vessel through the grouting port. The prestressed vertical grouting pressure seepage test device and test method of the present invention can accurately simulate the pressure seepage situation during on-site vertical grouting, so that relevant data can be obtained in advance during formal grouting, effectively reducing the unforeseen pressure seepage situation during formal grouting.

The utility model relates to the field of touch screen detection, in particular to a pressure resistance detection device for a touch screen. The technical problems that according to a traditional device, the test pressure is inconvenient to adjust, tests under different pressures are inconvenient to carry out, a touch screen is inconvenient to clamp, and the test effect is poor are solved. A pressure resistance detection device for a touch screen comprises a bottom frame, a placing groove is formed in the bottom frame, a pressure sensor is fixedly connected to the bottom of the placing groove of the bottom frame, a displayer is fixedly connected to the bottom frame, and the displayer is connected with the pressure sensor through a circuit. A worker rotates the bolt, the bolt does not clamp the movable sleeve any more, the worker pulls the movable sleeve, when the needed gear moves to the position engaged with the first rack, the worker stops pulling the movable sleeve, the bolt rotates reversely, the bolt clamps the movable sleeve again, the test pressure can be adjusted conveniently, and tests of different pressures can be conducted conveniently.

The utility model discloses an automatic testing mechanism, which comprises a conveying mechanism for conveying a carrier, a lifting mechanism arranged on the conveying mechanism, a testing platform arranged on the conveying mechanism, and a grabbing mechanism arranged on the conveying mechanism and used for testing with the testing platform, the conveying mechanism penetrates through the testing platform, and the height difference between the conveying mechanism and the testing platform is larger than the height of the carrier. The lifting mechanism is arranged on the conveying platform and located below the testing platform. The beneficial effects of the utility model are that: grabbed the tray and put into the test platform for positioning and electrifying, can accomplish the test of product target data very well, the degree of artificial participation is low, the work efficiency is high, the test effect is good, the structure is simple, the volume is small, the automatic test is realized, and the manpower cost is saved.

The invention provides a hydrogel material, which is prepared from the following components in parts by weight: 6 to 15 parts of polyvinyl alcohol, 12 to 20 parts of polyhydric alcohol, 40 to 75 parts of water, 2.1 to 11.5 parts of conductive metal salt, 0.001 to 0.01 part of carboxylated cellulose and 5 to 15 parts of polyacrylic acid, the conductive metal salt comprises a first conductive metal salt and a second conductive metal salt, the first conductive metal salt is selected from at least one of zinc salt and magnesium salt, and the second conductive metal salt is selected from at least one of aluminum salt and ferric salt. The ionic conductive PVA hydrogel which is high in mechanical strength, resistant to stretching and capable of achieving self-healing is rapidly prepared, has excellent strain, pressure and temperature sensing capacity and is widely applied to health monitoring.

The utility model relates to a light-emitting diode (LED) support strength testing device, which belongs to the technical field of LED lamp beads and comprises a machine case, a testing table fixedly arranged on the upper surface of the machine case, a strength testing device arranged above the testing table and a control button arranged on the front face of the machine case, and a testing head is detachably arranged at the bottom of the strength testing device. A clamping structure for fixing the LED bracket is arranged on the upper surface of the test board, and a lifting mechanism which extends to the outside of the case and is used for carrying out lifting adjustment on the strength test device is arranged in the case; the clamping structure comprises an upper clamp and a lower clamp which are distributed up and down, and detachable mounting holes are formed in the upper clamp and the lower clamp. The LED support strength testing device is easy to operate and high in efficiency, the testing clamping structure is a movable detachable clamp, when LED supports of different shapes are tested, the LED supports can be installed on the corresponding clamping structures, and therefore the LED support strength testing device has the advantages of being high in practicability, good in testing effect and the like.

The utility model discloses a transformer testing device, which relates to the technical field of transformer testing, and specifically comprises a testing table and a controller, the top of the testing table is provided with an object placing table, the bottom of the object placing table is fixed on the testing table through a plurality of supporting rods, the top of the object placing table is used for placing a transformer, and a heat preservation cover is arranged above the testing table. The storage table and the transformer are both arranged in the heat preservation cover, an exhaust cylinder is arranged on one side of the bottom of the storage table, the side face of the exhaust cylinder is fixed to the supporting rod through a second fixing plate, and a mounting rod is mounted at one end in the exhaust cylinder. The environment temperature in the heat preservation cover can be heated through the heating resistance wire, the temperature is detected through the temperature sensor and transmitted to the controller, the environment temperature in the heat preservation cover can be controlled through the controller, the working states of the transformer at different environment temperatures can be tested, and the testing effect is good.

The utility model discloses a vertical clamp capable of simulating engine blade centrifugal force and an engine blade testing machine, the clamp comprises a rack, a clamping device, a rotating device and a lifting assembly, the clamping device comprises a clamping frame, an upper clamping part and a lower clamping part, the upper clamping part and the lower clamping part are used for clamping an engine blade, and the rotating device is used for rotating the engine blade. The rotating device is connected with the lower clamping part and is matched with the upper clamping part to drive the engine blade to rotate, the lifting assembly comprises a lifting driving part and a lifting part, the lifting driving part lifts the lifting part, and the upper clamping part applies pulling force to the engine blade to be tested and simulates the centrifugal force of the engine blade. When the vertical clamp works, the rotating device drives the lower clamping part to rotate and cooperates with the upper clamping part to drive the to-be-tested engine blade to rotate, the lifting driving part drives the lifting part to ascend, the upper clamping part applies pulling force to the engine blade, centrifugal force of the engine blade during high-speed rotation is simulated, the structure is compact, the test effect is good, and the test efficiency is high. And the accuracy of a test result is greatly improved.

The invention provides a multi-specification capacitor reliability test system, and belongs to the technical field of capacitors, and the system comprises an image obtaining module which is configured to obtain the image information of a first to-be-tested capacitor and a second to-be-tested capacitor after obtaining a capacitor test request, the first strategy configuration module is configured to determine a first initial test strategy according to the image information of the first to-be-tested capacitor, and determine a second initial test strategy according to the image information of the second to-be-tested capacitor; the second strategy configuration module is configured to determine a target test strategy according to a multi-dimensional matching result of the first initial test strategy and the second initial test strategy, and the test module is configured to perform parallel test on the first to-be-tested capacitor and the second to-be-tested capacitor according to the target test strategy. Therefore, test data of the first to-be-tested capacitor and the second to-be-tested capacitor are obtained. The objective of the invention is to improve the problem that reliability testing of capacitors of different specifications is tedious and time-consuming.

The application relates to the field of Bluetooth, and provides a testing device and a testing system of a Bluetooth device, which comprise a testing box, an opening penetrating through the testing box, a grid conveyor belt for conveying the Bluetooth device to be tested through the opening, a plurality of testing seats uniformly distributed on the grid conveyor belt, a linear driving assembly installed in the testing box, two tooth rods connected with the linear driving assembly, a movable disc connected with the lower ends of the two tooth rods and moving along with the tooth rods, and a testing system installed on the movable disc; the Bluetooth device is tested, the whole process is automatically carried out, the action is stable, the testing effect is good, the cost can be reduced, and the energy consumption can be saved; during the testing process, the precision of measurement is improved through multiple and multilingual testing.

The application relates to an unlocking test system and an unlocking test method. The unlocking test system comprises a support assembly, a bearing support, an unlocking module and a data processing module. The bearing support is connected with the support assembly. The bearing support is used for mounting an intelligent door lock. The unlocking module is movably connected with the support assembly, and the unlocking module can be telescopically moved relative to the support assembly in a first direction. The data processing module is used for acquiring driving parameters corresponding to unlocking test parameters in a preset mapping relationship. The unlocking module is used for unlocking the unlocking area of the intelligent door lock according to the driving parameters. The unlocking system and the unlocking test method in the application are beneficial to realizing quantitative testing of the unlocking of the intelligent door lock, improving the comprehensiveness of the unlocking test, and better reflecting the unlocking performance of the intelligent door lock.

The invention provides a control method and device for simulating a crevasse blowing process, and relates to the technical field of nuclear reactors, and the control method for simulating the crevasse blowing process comprises the following steps: adjusting the initial state of a valve in a valve set according to initial state information; starting a heating unit in the test body based on the initial power to heat the mixed fluid, and judging whether the heating unit meets a first judgment condition of the temperature or not according to the temperature of the heating unit; when the heating unit meets the first judgment condition, the control strategy is obtained and executed, so that crevasse blow test simulation is achieved, the problem that in the prior art, misoperation is likely to occur in a test for simulating the crevasse blow process in a nuclear reactor through manual operation is solved, and the better test simulation process is achieved while quick response in the test process is improved.

The invention discloses cooling pipe air tightness detection equipment which comprises a cabinet body, a panel is fixed to the top of the cabinet body, a first sliding frame and a second sliding frame are installed on the two sides of the top of the panel, two first sliding blocks are arranged on the first sliding frame in a sliding mode, and a second sliding block is arranged on the second sliding frame in a sliding mode. A first plugging piece and a second plugging piece are installed on the two first sliding blocks respectively, a third plugging piece is installed on the second sliding block, a first height adjusting piece for achieving height adjustment of the first plugging piece and the second plugging piece is installed on the first sliding block, and a second height adjusting piece for achieving height adjustment of the third plugging piece is installed on the second sliding block. And a pressing mechanism is mounted on the panel. According to the invention, two ports of different types of cooling pipes can be plugged tightly, stable air blowing test is realized, the cooling pipes are fixed in an air bag extrusion mode, the cooling pipes are convenient to fix, and the test effect is more stable and better.

The invention provides a fast-response low-impact large-bearing seeker displacement device. The fast-response low-impact large-bearing seeker displacement device comprises a high-pressure energy storage device. The high-pressure energy storage device is fixed to one side of the body frame and sequentially connected with the initial locking mechanism and the jacking air cylinder, the initial locking mechanism is arranged between the high-pressure energy storage device and the jacking air cylinder, the jacking air cylinder is hinged to the guide head mechanism, and the guide head mechanism is installed and fixed to the other side of the body frame through a large-bearing-capacity rolling guide rail pair. The motion starting point position of the guide head mechanism is fixed by the initial locking mechanism, and a push rod of the jacking air cylinder is connected with the guide head mechanism. When the high-pressure energy accumulator releases energy, the initial locking mechanism is quickly unlocked, so that the jacking air cylinder jacks the seeker mechanism to be pushed out to a set position, sequential control over all-directional locking, unlocking, pushing-out and in-place locking of the seeker mechanism can be achieved, the pushing-out process is high in logicality, and good protectiveness is achieved; and the functions of quick in-place, low impact and large load bearing of the seeker mechanism in an air and space complex environment can be realized.

The invention discloses a special vehicle instrument board cross beam structure and a modal recognition method.The special vehicle instrument board cross beam structure comprises a cross beam body, the cross beam body comprises a first cross beam bent pipe, a second cross beam bent pipe and a third cross beam bent pipe which are connected in sequence, and fixing supports are arranged at the two ends of the cross beam body; a pipe column installation support is arranged on the first cross beam bent pipe, a lower bent part is arranged on the middle section of the second cross beam bent pipe, a center reinforcing support is arranged on the lower bent part, two short installation stand columns are integrally arranged at the bottom of the lower bent part, and a stand column reinforcing cross beam is arranged between the two short installation stand columns. A U-shaped air conditioner mounting bracket is arranged at the bottom of the third cross beam bent pipe; the device has the advantages of being high in inherent frequency, convenient to install and good in testing effect.

The invention belongs to the technical field of aircraft ground tests, and discloses a test device and method for measuring a dynamic load in a static strain load calibration mode, the device comprises four strain gauges, and the four strain gauges are respectively pasted on four centrosymmetric point positions of the same cross section of a rod piece; wherein every two strain gauges with symmetrical point positions form a group, the strain gauges in the same group are pasted in the same direction, the strain gauges in different groups are pasted in different directions, and the pasting directions are divided into the axial direction of the rod piece and the normal direction of the rod piece; the four strain gauges are connected in pairs to form a full-bridge circuit. According to the method, full-bridge strain measurement is adopted, and strain measurement errors caused by bending, temperature change and noise vibration are counteracted according to the principle that adjacent arms of a full-bridge circuit are subtracted and opposite arms are added. According to the arrangement mode of the load calibration strain gauges disclosed by the invention, errors caused by various interferences in the dynamic test process can be effectively eliminated, the measurement precision is greatly improved, the dynamic load can be accurately measured through a strain-load static calibration method, a good test effect can be achieved, and the test purpose is achieved.

A proximity sensor sensing distance testing jig is composed of a bottom plate, a testing structure, a testing fixing structure and a fixing structure to be tested, a positioning ruler, a long sliding block and a short sliding block are arranged on a fixing plate in the testing fixing structure, the position of a micrometer of a testing instrument is fixed, and position scales on the positioning ruler at the moment are read in the using process; a tested sensor placing groove and a push plate are arranged, the push plate is pushed through a telescopic push rod to adjust a to-be-tested sensor, the position of the sensor reaches the corresponding position scale of a positioning ruler on a sensor blocking fixing block, the push plate pushes the tested sensor to reach the corresponding position, and a pressing fixing clamp is pressed down to fix the tested sensor. The method can reduce the deviation of the to-be-tested sensor, improves the accuracy of the test effect, enables the relative positions of the test instrument and the to-be-tested sensor to be in the same straight line, guarantees the stability of the relative positions, guarantees the precise reading, and optimizes the test effect.