327 results about "Test frame" patented technology

The invention relates to the technical field of fire reason investigation, and particularly discloses a heat radiation test device with an adjustable test rack, which comprises a heat radiation rack and a test rack, a radiation source is mounted on the heat radiation frame; the test rack is in a portal shape, the left end and the right end of the test rack are sleeved with sliding supports with the adjustable height respectively, and locking assemblies are installed on the sliding supports. The device further comprises a horizontally-arranged rotating rod, the two ends of the rotating rod are connected to the two rotating rods correspondingly, and a rotating assembly is installed on the rotating rod and rotates in the circumferential direction of the rotating rod. A fixing frame is installed on the rotating assembly and used for fixing a sample. The effect of adjusting the overall height of the fixing frame is achieved by adjusting the height of the sliding support, the angle of the fixing frame is adjusted through the upper rotating assembly, a sample can face a radiation source at different angles to conduct a heat radiation test, and an operator can more accurately simulate the state of the sample to test data according to post-disaster data.

The invention provides a method for testing an Internet of Vehicles protocol, and the method comprises the steps: obtaining a test parameter configured by a user through a user interaction layer, and converting the test parameter into structured configuration data; the protocol definition model analyzes the structured configuration data based on a predefined protocol specification to generate a test case definition file; the message simulator generates simulation message data according to the message template in the test case definition file; the automatic test framework executes the simulation message data to obtain a test result; and the user interaction layer formats the test result into a readable report and outputs the readable report. According to the invention, test automation and hardware removal are realized, and the test efficiency, accuracy and protocol adaptability are greatly improved.

The invention discloses a multi-source information driven self-adaptive interface test script generation method. The method comprises the steps that S1, multi-source input fusion is carried out, one or more kinds of test information are obtained from multiple data sources, cross validation and intention alignment are carried out on the basis of semantic understanding, and multi-source test information is generated; s2, unified protocol conversion: converting the multi-source test information into framework-independent standardized intermediate representation through a general protocol conversion layer, and dynamically generating executable scripts of different test frameworks; s3, intelligent scheduling and execution: executing in a local or distributed cluster according to the task scale intelligent scheduling script, and collecting an execution data set; and S4, performing exception attribution and feedback, analyzing an execution result, performing three-dimensional analysis through a multi-source fusion exception attribution engine if the execution result fails, accurately judging that a failure reason is interface update or system Bug, and triggering a corresponding closed-loop response. According to the invention, intelligent generation, cross-framework multiplexing and adaptive maintenance of the test script are realized.

The utility model discloses a waterproof performance testing device for double sealing gaskets of a shield tunnel joint, which relates to the technical field of shield tunnel equipment and comprises a base, supports are fixed on the base, two butted testing pipelines are mounted on the supports, an air blowing part is arranged on the side surface of one support, a plugging part is arranged on the side surface of the other support, and the testing pipelines are connected with the air blowing part. The air blowing part and the blocking part slide along the base, a sliding groove is formed in the base for the air blowing part and the blocking part to slide, a testing frame is fixed to the pipe seam of the two testing pipelines, a testing part is fixed to the interior of the testing frame, and a pressure gauge is fixed to the side face of each testing pipeline; the testing device is convenient to adjust and suitable for testing pipelines or sealing gaskets of different sizes, testing points can be set according to actual needs, sealing testing results of different positions of the sealing gaskets can be obtained, and testing precision is improved.

The invention discloses a matching device for fire resistance testing and an operation method. The matching device comprises a fire resistance testing furnace, a fire resistance testing frame and a moving trolley used for transferring the fire resistance testing frame. The fire-resistant test frame is used for setting a tested sample; a plurality of supporting columns are arranged on the fire resistance test frame; a supporting piece is arranged on the fire-resistant test furnace and is used for conveniently fixing or separating the fire-resistant test frame supporting column; the mobile vehicle comprises a vehicle body device, a wheel device, a supporting structure and a fixed bracket device; the wheel device is arranged below the vehicle body device and used for transferring the position of the vehicle body device; the supporting structure is arranged on the vehicle body device and is used for supporting the fire resistance test frame; the fixed bracket device is arranged on the vehicle body device and comprises a fixed bracket, and the fixed bracket is used for supporting a supporting column of the fire resistance test frame. According to the matching device and the operation method, the safety and the high efficiency of the fire resistance testing process of the tested sample can be improved.

The utility model discloses a kind of unhooking system automation testing device, it is related to testing device technical field.The utility model includes: test frame;Unhooking device;Towing device, towing device is installed in the top of test frame, and the traction end of towing device is fixedly connected with unhooking device;Impact device, impact device is slidably fitted in test frame, and impact device is matched with unhooking device;Protective device, protective device includes telescopic baffle and restraint component;Wherein, restraint component includes shell, shell is installed in the side of test frame, and baffle lever is slidably fitted in shell.The utility model is rolled up traction rope by the motor drive winding roller of towing device, realizes the automation of unhooking device and impact device lifting.Compared with artificial lifting, the lifting height of this structure can be controlled Impact device, make the initial condition of multiple tests consistent, improve the repeatability of test data;While reducing labor cost, improve test efficiency.

The invention provides a thermal shock test device and a test method, and belongs to the technical field of aero-engine hot end component detection. The test device comprises a test rack body, a heating assembly, a displacement control assembly and a cooling assembly, the test rack body is provided with a placing space for the heating assembly, the displacement control assembly and the cooling assembly; the heating assembly is provided with a channel opening; the displacement control assembly is arranged on the test rack body and is used for moving a test piece into the heating assembly through the channel opening or moving the test piece out of the heating assembly; and the cooling assembly is arranged on the test rack body and is used for cooling the test piece pulled out of the heating assembly. The test device can be used for carrying out thermal shock test on a test piece.

Some examples described herein provide for display image data reliability and safety, for example end-to-end safety methods, apparatuses, and systems for display systems. One example includes a method, including replacing video frames from input video streams with a set of test frames. The method further includes generating an alpha-blended video stream based on the set of test frames and the input video streams. The method further includes generating and inserting cyclic redundancy check (CRC) information for the set of test frames into secondary data packets associated with the alpha-blended video stream. The method further includes processing the set of test frames and video frames by a display controller to generate an output video stream. The method further includes performing an error detection procedure for the set of test frames using the CRC information to detect an error associated with the set of video frames.

The utility model relates to test box technical field discloses a test frame and test box. Test frame sets up in the box body of test box, and test frame includes bracket and grating disc, and bracket includes crossbeam and guide portion, and crossbeam fixedly connects in the left and right sides in the box body and is used for supporting the edge of grating disc, and guide portion is fixedly connected on the crossbeam, and the guide portion is equipped with guide inclined plane, and grating disc can fall into the preset position of crossbeam along guide inclined plane. The utility model provides test frame, and when placing grating disc, through the guiding effect of guide portion, can place grating disc on the correct position of crossbeam of forklift quickly and accurately, improves operation efficiency.

The utility model discloses a new energy automobile car light's testing arrangement, including test frame, the test frame is provided with roof, bottom plate, the roof, bottom plate evenly is provided with four sets of support board between, be provided with the positioning assembly of clamping car light on the bottom plate, four sets of support board are provided with the sliding plate between, the one end surface of positioning assembly of sliding plate orientation is provided with counterweight, makes the sliding plate under the gravity effect to the bottom plate direction and goes down the frame to the car light on the positioning assembly and carries out the collision test, the utility model has the advantageous effects that: through the positioning assembly that sets up on the bottom plate can realize the reliable positioning and clamping of new energy automobile car light, can effectively limit the displacement or sway of car light during the collision test, ensure the attitude of car light, the force position in each test and keep consistent, guarantee the repeatability of test working condition, the credibility and availability of collision test result are improved significantly.

The utility model discloses a kind of unmanned aerial vehicle degree of freedom testing device, belong to unmanned aerial vehicle technical field, including support frame and the testing mechanism for the degree of freedom test of unmanned aerial vehicle, the testing mechanism is rotationally connected on the support frame, the testing mechanism includes first test frame, second test frame and third test frame, the first test frame, second test frame and third test frame are all movably nested type connection in the support frame inner side, the utility model is by setting first test frame, second test frame and third test frame, under the cooperation of first rotating mechanism, second rotating mechanism and third rotating mechanism, unmanned aerial vehicle can be carried out accurate angle's pitch, roll, yaw degree of freedom test, compared with manual rotation precision is higher, test result is more accurate.

The invention discloses a bed screen hardness test device and method, and the device comprises a test frame which is used for placing a bed screen to be tested; a plurality of test points are preset on the bed screen; the test pressure head is used for testing the hardness of each test point of the bed screen; the loading device is mounted on the test frame and connected with the test pressure head so as to drive and adjust the test position of the test pressure head and collect load-displacement data of each test point; and the control unit is respectively connected with the test framework, the test pressure head and the loading device. The test frame, the test pressure head and the loading device are reasonably arranged, so that the load-displacement data of each test point of the bed screen can be accurately acquired, and the hardness of the bed screen can be evaluated according to the load-displacement data, so that the hardness test effect of the bed screen can be improved, and the test efficiency is improved. The problems that in the prior art, a testing method is not standard, subjectivity is high, real working conditions cannot be reflected, and testing equipment is poor in positioning precision and repeatability are solved.

The invention discloses a near-seabed explosive explosion simulation test device and test method. The device comprises an explosion water tank system, a seabed simulation device, an optical measurement system, an electric measurement system, a fixed test frame component and an illumination system. The explosion water tank system comprises an explosion water tank arranged on the ground; the seabed simulation device comprises a medium box body which is filled with a seabed medium; the optical measurement system comprises a high-speed camera and a computer; the electric measurement system comprises a sensor and a data acquisition instrument arranged outside the explosion water tank; the fixed test frame component comprises a cross beam fixedly arranged at the upper part in the explosion water tank, an explosive column is connected below the middle part of the cross beam through a fixed grain rod, and a sensor is connected below the cross beam at each of the two sides of the fixed grain rod through a fixed sensor rod; the explosive column and the sensor are positioned right above the medium box body; the sensor is connected with a data acquisition instrument. The method is low in cost, easy to operate, efficient, safe, accurate and reliable in result and suitable for near-seabed explosive explosion simulation tests, and the similarity between the obtained parameters and the actual parameters is high.

The utility model discloses an automatic T-shaped product anti-reflux valve performance test frame, which comprises a test frame, a cylinder frame is fixedly arranged at the center position of the top of the test frame, a pressing cylinder is fixedly arranged on one side of the cylinder frame, a rear cylinder fixedly arranged at the top of the test frame is arranged on the rear side of the cylinder frame, and a pressing cylinder is fixedly arranged on the other side of the cylinder frame. Side cylinders fixedly mounted at the top of the test frame are arranged on two sides of the cylinder frame; a lower pressing plate is fixedly installed at the output end of the lower pressing air cylinder, a rear baffle is fixedly installed at the output end of the rear air cylinder, side baffles are fixedly installed at the output ends of the side air cylinders, and products to be tested are arranged among the lower pressing plate, the rear baffle and the two side baffles. According to the utility model, the product to be tested can be conveniently limited and fixed, the channel of the T-shaped product to be tested can be conveniently positioned and sealed, the test accuracy is improved, the automation degree is high, the operation is simple, the situation that the performance of the damaged anti-reflux valve cannot be found in manual assembly is avoided, and the unqualified product is prevented from reaching the hand of a terminal user.

The invention relates to the technical field of cloth detection, in particular to bio-based lining cloth tensile testing equipment which comprises a testing table, a first testing frame and a second testing frame and further comprises a clamping assembly, a flattening assembly, an air pipe and a stretching assembly. The two motors are connected with the corresponding sleeves respectively, the two clamping assemblies are arranged on the corresponding sleeves respectively, the flattening assembly is arranged between the first testing frame and the second testing frame and connected with the two clamping assemblies, and the flattening assembly comprises a flattening roller. The air pipe is arranged on the flattening assembly, used for conveying airflow and communicated with the flattening roller. According to the invention, through the arrangement of the clamping assembly and the flattening assembly, the effect of horizontally clamping the end part of the tested lining cloth can be realized, the conditions of slipping, loosening and breaking of the end part of the lining cloth during testing are avoided, and the accuracy of a test result is effectively ensured.

The utility model relates to the technical field of electric push rod testing, in particular to an electric push rod thrust testing device which comprises a testing frame, the top of the testing frame is fixedly connected with two fixing frames, the two fixing frames are symmetrically distributed at the top of the testing frame, one side of each fixing frame is fixedly connected with a connecting roller, and the other side of each fixing frame is fixedly connected with a connecting roller. The side surface of each connecting roller is provided with an annular groove, the interiors of the annular grooves are movably connected with hinge pieces in a sleeved mode, the clamping blocks correspond to the middle through pipes, the top of the testing frame is fixedly connected with two weight increasing rollers, and the two weight increasing rollers are symmetrically distributed at the top of the testing frame. According to the electric push rod thrust testing device, a high-strength material and a reasonable mechanical structure design are adopted, it is ensured that the testing device has enough stability and rigidity when bearing thrust and load of an electric push rod, the influence of structural deformation or vibration on a testing result is reduced, and the reliability of testing data is ensured.

The invention relates to the technical field of cable direct-current resistance testing, and provides a polymorphic direct-current resistance testing device which comprises a main frame, a to-be-tested cable is arranged above the main frame, a spring clamp is arranged on the side face of the to-be-tested cable, and an electric lifting table is fixedly connected to the side face of the spring clamp. The side surface of the electric lifting platform is slidably connected with a vertical guide rail, and one end of the to-be-tested cable is provided with a test frame. Through arrangement of a cooperative structure of the spiral frame, the adjusting column, the quantitative sliding rail and the electric sliding table, the contact point of the spiral frame and the to-be-tested cable rotates along with sliding of the adjusting column, continuous adjustment of the bending radius is achieved, the problem that in the prior art, the bending form is single due to the fact that the radius of a bending wheel is fixed is solved, and the bending accuracy is improved. Various bending radius requirements in actual working conditions can be simulated, and the authenticity and comprehensiveness of bending testing are improved.

This invention relates to a waveform generation device and method for simulating landing impact. The device includes a base plate with a test frame mounted on it. An electromagnetic release hook and a laser displacement sensor are mounted on the top of the test frame. A housing is mounted on the top of the base plate, with a first inflation port at the bottom of the housing connected to an inflation solenoid valve. A rupture diaphragm or a sealing bottom cover is mounted on the bottom of the housing. A pressure sensor is housed inside the housing, with a sealing top cover at its top. A piston rod is slidably fitted onto the sealing top cover. A piston is located inside the housing and slidably fitted onto the inner wall of the housing at the bottom of the piston rod. A collision buffer layer abuts against an impact platform at the top of the piston rod. An overload sensor is mounted on the impact platform and slidably fitted onto the test frame. A support platform, flush with the lowest point of the impact platform's descent, is also mounted on the top of the base plate. The electromagnetic release hook, laser displacement sensor, inflation solenoid valve, pressure sensor, and overload sensor are all communicatively connected to a timing control system. This invention enables simulated landing impact tests on large-mass test products.

The utility model relates to the field of battery cell testing, and discloses battery cell charging and discharging testing equipment which comprises a supporting plate, a testing frame, a testing head, a heat dissipation frame and a heat dissipation assembly. The testing frame is fixedly arranged above the supporting plate, the testing heads are symmetrically arranged at the left end and the right end of the testing frame, the two testing heads can move close to or away from each other, and the heat dissipation frame is slidably installed at the bottom end of the testing frame. The utility model has the following advantages and effects: the battery is quickly mounted in the frame body through the mounting groove, a tester can quickly contact or separate the test electrode with or from the battery cell through the pressing plate, so as to realize the charge and discharge test on the battery cell, and after the charge and discharge test is finished, the heat dissipation cylinder can be driven to move through the pulling plate to quickly take out the battery cell, and meanwhile, the test efficiency is greatly improved. And the temperature generated by the battery cell can be quickly concentrated through the heat dissipation barrel, and is quickly cooled by the fan, so that relative normal temperature in the frame body can be kept in multi-batch measurement, and shutdown or influence on test data caused by over-high temperature is avoided.

The invention discloses a landslide simulation device with multi-size adaptive bidirectional coupling load application. Comprising three horizontal vibration conduction assemblies, a bidirectional telescopic bearing support connected with the horizontal vibration conduction assemblies, a vertical oil pressure action element connected with the bidirectional telescopic bearing support, and a landslide model box connected with the vertical oil pressure action element. And the vertical telescopic fixing bracket is detachably connected with the landslide model box and the bidirectional telescopic bearing bracket. The sizes of the bidirectional telescopic bearing support and the horizontal vibration conduction assembly can be flexibly adjusted according to the landslide model box, and the vertical telescopic fixing support is adapted to the height of the box body and the distance between the vertical telescopic fixing support and the support to form an integrated test frame; the size limitation of a traditional fixed table top is broken through, the universality, flexibility and economical efficiency of the device are remarkably improved, through overall connection of the telescopic fixing assemblies, the integrity of a force transmission path and the shear resistance of the system are enhanced, and the hidden danger that the model box slips off under strong shock is thoroughly eliminated.

The invention discloses a medical bend-adjusting catheter testing tool and a testing method thereof.The medical bend-adjusting catheter testing tool comprises a workbench, a testing frame is arranged at the top of the workbench and comprises a base, the base is installed in the middle of the top of the workbench, a head plate is installed at one end of the top of the base, and a tail plate is installed at the other end of the top of the base; the end, close to the tail plate, of the top of the base is provided with a body plate, the middle of the head plate, the middle of the tail plate and the middle of the body plate are each provided with a guide sleeve used for allowing a guide pipe to penetrate through, and the three guide sleeves are located on the same central axis. According to the invention, the 360-degree protractor and the 180-degree protractor on the head plate can respectively detect the deformation of the bending section of the catheter in the Y-axis direction and the X-axis direction, and the 180-degree protractor near the body plate is used for detecting the bending degree of the catheter body. The catheter deformation attitude information cannot be comprehensively and accurately obtained, and the test comprehensiveness and accuracy are improved.

The application relates to a construction method of an inner water pressure device of an ultra-large-caliber reinforced concrete pipe jacking pipe section, which comprises the following steps: S00, hoisting a bottom blocking plate; S10, installing a pipeline and a positioning sleeve ring; S20, installing a top blocking plate; S30, performing an inner water pressure test on a single pipe section; S40, installing a pipe section splicing support and hoisting a lower pipe section; S50, installing a pipe section interface splicing device and splicing an upper and lower pipe jacking pipe section; S60, assembling a hoisting type pipe jacking interface inner water pressure test device; S70, installing the hoisting type pipe jacking interface inner water pressure test device; S80, performing an inner water pressure test on a pipe section interface; and S90, installing a pipe jacking interface opening angle positioning device. The application has the advantages that a pipe jacking pipe section interface splicing device and a pipe jacking inner water pressure counter-pulling adjustment test frame are adopted, the structure design is ingenious, assembly is convenient, the positioning sleeve ring can be used for adjusting the perpendicularity of the pipe section, the sealing property of the structure can be maintained, the leakage phenomenon is reduced, the reliability of detection data is improved, and remarkable economic benefits are achieved.

The invention discloses a belt pre-tightening device and an RC car model test platform, the belt pre-tightening device comprises a test frame, a spring pre-pressing adjusting assembly and a pre-pressing lever support assembly, one end of the spring pre-pressing adjusting assembly is installed on the test frame, and the other end of the spring pre-pressing adjusting assembly is rotatably connected with the pre-pressing lever support assembly; the pre-pressing lever supporting assembly is rotatably installed on the testing frame. A pressing wheel is arranged on the pre-pressing lever supporting assembly, the pressing wheel is located at the end, away from the spring pre-pressing adjusting assembly, of the pre-pressing lever supporting assembly, the pressing wheel is used for abutting against a synchronous belt, and when the spring pre-pressing adjusting assembly stretches out and draws back, one end of the pre-pressing lever supporting assembly is driven to move up and down; and a pressing wheel on the prepressing lever supporting assembly also moves up and down along with the prepressing lever supporting assembly, and then the tightness degree of a synchronous belt abutting against the pressing wheel is adjusted. By applying and maintaining proper initial tension force, the belt transmission system can stably, efficiently and enduringly work.

The application provides a dynamic warehouse navigation method and system for single-wave sorting task logic and navigation strategy decoupling, adopts a high-fidelity, strong-random, noise-containing simulation environment as a test framework; adopts a deep reinforcement learning single-target navigation network ColorDynamic pre-trained by an independent bottom motion control layer as a bottom motion control to realize a scheduling strategy between single targets and relative dynamic obstacles; adopts an independent upper task management layer to form an order task queue; in a robot navigation process, the robot is regulated and controlled in motion behavior based on the bottom motion control layer, and continuous execution of tasks is performed based on a multi-target sequence of the upper task management layer, so that seamless continuous navigation of multiple targets is completed.

The utility model relates to a split type live aging test device, which comprises a test box and a test frame, and is characterized in that the test box comprises a test cavity and an air duct assembly which is communicated with the test cavity and forms circulating air; the air duct assembly comprises a circulating air duct arranged on the periphery of the test cavity, an air outlet formed in the first inner wall of the test cavity and connected with one end of the circulating air duct, and an air return port formed in the second inner wall, opposite to the first inner wall, of the test cavity; the test frame comprises a frame body, a plurality of hollow laminates arranged on the frame body up and down, and test stations arranged on the hollow laminates and used for loading tested products, one end of each hollow laminate is provided with an air inlet, the other end of each hollow laminate is closed, and the bottom surface of each hollow laminate is provided with a first air blowing port at a position corresponding to the test station below the hollow laminate. According to the utility model, the test frame and the test box are arranged to be of a split structure, so that a worker can disassemble and assemble a product conveniently, time and labor are saved, and the test efficiency is prevented from being influenced by the disassembly and assembly process. And the split type testing frame can meet the production requirements of an automatic workshop.

The invention belongs to the technical field of SSD (Solid State Disk) testing, and particularly relates to a test framework implementation system and method with modularized test steps, and the test framework implementation system with modularized test steps compiles functions required by testing into a function by realizing modularization of related test functions on an SSD test platform. Then calling is performed through a common function test calling module, so that when the whole test script is compiled, only the test calling module and the error result checking module are needed, and different function units are called by setting parameters in the test calling module to compile the test script; the test script writing time of an engineer can be effectively saved, and the test efficiency is improved; the scripts can be more logical and readable; the test personnel do not need to have python writing ability, and only need to add the function units in the test function module according to the steps of the test case, so that the use is simpler and more convenient.

The utility model discloses a sealing rubber ring stretching test device, which relates to the technical field of rubber ring stretching and comprises a workbench. Two sets of symmetrical sliding rails are fixedly installed on the workbench. A sliding frame is mounted on the sliding rail in a sliding manner; a tensile test assembly is mounted on the sliding frame in a matched manner; the tensile test assembly comprises a plurality of test frames which are fixedly mounted with the sliding frame; lower buckles are fixedly installed at the bottoms of the inner sides of the testing frames. An upper buckle is cooperatively mounted at the top of the lower buckle; the upper buckle and the bottom of the pull rod are fixedly mounted; one end, away from the upper buckle, of the pull rod penetrates through the top of the test frame and is opened and closed with a matching groove; a plurality of to-be-tested sealing rubber rings are placed on the two corresponding upper buckles and the lower buckles, after placement is completed, the tension sensors are driven by the electric push cylinders to enable the hooks to pull the upper buckles upwards, and in the pulling process, numerical values detected on the tension sensors are effectively displayed through the corresponding displays, so that the testing accuracy is improved. Therefore, the tensile value of the sealing rubber ring can be observed visually.

The utility model discloses a solid state disk test frame, which comprises a plug-in assembly, a base, a frame body, a fixed part, a movable part, a limiting part, a release part, a guide part and a detection part, the base is arranged at the bottom of the frame body, one side of the frame body is provided with a plurality of cavities, the fixed part is positioned at the top of the frame body, and the movable part is positioned at the bottom of the frame body. A plurality of cavities are formed in the base, the moving part is located in the cavities, the limiting part is fixedly connected to the bottom of the frame body, the releasing part is arranged on one side of the base and matched with the limiting part, and the guiding parts are fixedly connected to the two sides of the frame body. In this way, poor contact or fatigue damage of the plug and the socket caused by inaccurate alignment during manual plug-in mounting is avoided, damage possibly caused by manual plug-in and plug-out can be avoided through the pull-out assembly, and hard disk damage or data loss caused by improper pull-out can be avoided.

The utility model discloses a durability test bench convenient to adjust, which relates to the technical field of hinge durability tests and comprises a test frame, one side of a hinge is connected onto the test frame, the other side of the hinge is connected with a door frame, a rotating plate is rotatably connected onto the test frame, a guide rod is arranged on the rotating plate, and the door frame is connected with a door frame. A connecting block is arranged on the guide rod in a penetrating and sliding mode, the connecting block is connected with the door frame through a movable connecting piece, a reciprocating structure for driving the connecting block to move in a reciprocating mode is arranged on the rotating plate, and a balance weight adjusting structure is arranged on the door frame. According to the utility model, the long-stroke reciprocating structure taking the stepping motor as a power source is arranged to drive the connecting block to reciprocate, the door frame is pulled through the movable connecting piece and the connecting block, the hinge is tested within a specified opening and closing angle range, and the adjustment is flexible.