79results about How to "Improve test reliability" patented technology

The invention relates to the technical field of composite fiber non-woven fabric manufacturing, in particular to a composite fiber non-woven fabric tensile property testing device which comprises a base, and an n-shaped support and a limiting sliding way located under the horizontal section of the n-shaped support are fixedly installed on the upper end face of the base. And a stretching mechanism for stretching the composite fiber non-woven fabric front and back is arranged on the limiting slide way. The tensile property test of the composite fiber non-woven fabric is completed by adopting an integrated operation model of stretching, twisting and extruding, the test reliability is improved by adopting a fixing mode of combining clamping of upper and lower cambered surfaces with matching of a rubber plate, a convex block and a groove, and meanwhile, the tensile property of the composite fiber non-woven fabric is improved through plane stretching, twisting and plane stretching tests after twisting as well as downward extruding and stretching of a middle section. The composite fiber non-woven fabric tensile property testing device can simulate complex stress conditions possibly faced by the composite fiber non-woven fabric in practical application, so that the tensile property of the composite fiber non-woven fabric in multiple stress states is comprehensively evaluated, multiple testing modes are realized on a single device, and the overall testing efficiency is improved.

The invention relates to the technical field of solar cells, and particularly discloses a back contact cell, a back contact cell string, a cell assembly and a photovoltaic system.The back contact cell comprises first grid lines and second grid lines which are alternately arranged in the first direction; the first Pad points and the second Pad points are alternately arranged in the second direction, the first Pad points are connected with the first grid lines, and the second Pad points are connected with the second grid lines; wherein the first grid line comprises a first grid line body and a third grid line, and the first grid line body and the third grid line are connected into an integrated structure; along the first direction, the third grid line is arranged at the corresponding first pad point, and the width of the third grid line is greater than that of the first grid line body. The problem of welding tension in the prior art can be solved, and the connection reliability between the welding strip and the fine grid is improved.

The invention relates to the technical field of network security vulnerability automatic testing, and discloses a curiosity-driven and deep reinforcement learning-based XSS automatic testing method, which comprises the steps of constructing an input environment for injection point exploration, constructing an intelligent agent with an internal reward mechanism, and constructing an XSS automatic testing system. A state flow diagram is constructed to record and manage a state flow path accessed by the intelligent agent in the exploration process, and injection point information is obtained; transmitting the injection point information to an intelligent agent in an attack vector generation model, and constructing a state space, an action space and a reward function in the attack vector generation model; and carrying out attack verification on the response page after the attack vector generation model sends the attack request to the target page, calculating a reward according to a verification result, and feeding back the reward to the attack vector generation model. According to the method, high coverage rate and high accuracy are achieved in the aspect of identifying the XSS injection points in the Web application, meanwhile, manual intervention is not needed in the training and testing process of the intelligent agent, and the testing efficiency and reliability are greatly improved.

The invention relates to the technical field of solar cells, and particularly discloses a back contact cell, a back contact cell string, a cell assembly and a photovoltaic system. The back contact cell is provided with a first area and a second area along a second direction; the first area is internally provided with first grid lines and second grid lines which are alternately arranged in the second direction, and first Pad points and second Pad points which are alternately arranged in the first direction, and the second area is internally provided with third grid lines and fourth grid lines which are alternately arranged in the second direction, and fifth grid lines and sixth grid lines which are alternately arranged in the first direction. The fifth grid line and the sixth grid line extend in the second direction and have discontinuous areas, the fifth grid line is arranged on the extension line of the first main grid in the second direction, and the sixth grid line is arranged on the extension line of the second main grid in the second direction. When the back contact battery is tested, the test difficulty is reduced, and the test reliability and stability are improved.

A high-speed roller screw testing device comprises a lathe bed, a power assembly for providing power for a roller screw is arranged on the lathe bed, the end portion of the roller screw is connected with a screw nut, the end portion of the screw nut is connected with a loading mechanism for providing load for the roller screw, and a connecting mechanism is arranged between the roller screw and the loading mechanism. The power assembly comprises a power motor and a diaphragm coupling arranged on a roller screw. Compared with the prior art, the brake and the loading roller screw in the loading mechanism are used for providing load for the roller screw, and the pneumatic control system is used for adjusting the air pressure of the brake, so that the accurate control of the loading torque is realized, the roller screw realizes passive loading, the response speed is high, and the loading precision is high. According to the utility model, positive and negative rotation loading force loading of the roller screw can be rapidly realized, and meanwhile, the diaphragm coupling can provide gapless transmission and is gapless and impact-free during reverse loading, so that continuous positive and negative rotation testing is realized, the testing efficiency is improved, and the labor cost is reduced.

The invention provides an aircraft flight control system comprehensive automatic test platform and method based on a network architecture. The platform comprises automatic test software, test control software, test control simulation equipment and a flight control subsystem airborne finished product to be tested. The test control simulation device comprises a comprehensive test control simulation device and a plurality of flight control subsystem test control simulation devices. Each flight control subsystem test control simulation device is connected with the corresponding flight control subsystem airborne finished product and is used for sending configuration information to the flight control subsystem airborne finished product and receiving acquisition information provided by the flight control subsystem airborne finished product; the test control software comprises ground maintenance data acquisition software, comprehensive test control software and flight control subsystem test control software; the test control software is connected with the test control simulation equipment, sends a control instruction to the test control simulation equipment, and receives response information of the control instruction sent by the test control simulation equipment; the ground maintenance data acquisition software is connected with the comprehensive test control simulation equipment and the plurality of flight control subsystem test control simulation equipment and is used for receiving acquired information; and the automatic test software is connected with the test control software, sends a control instruction to the comprehensive test control software and the flight control subsystem test control software, obtains a response, and obtains acquisition information sent by the ground maintenance data acquisition software. The comprehensive test technology of multi-bus acquisition and lumped control is combined, the establishment of the comprehensive test platform of the aircraft flight control system is optimized and completed, and the automatic comprehensive control and detection of the aircraft flight control system are realized.

An ink testing machine relates to the technical field of ink testing equipment and comprises a rack, a first linear module, a second linear module and a jet printing assembly, a testing platform is arranged in the middle of the top of the rack, and an ink receiving groove is formed in one side of the testing platform. The first linear module comprises first linear rails fixed on the rack on the two sides of the test platform and first linear sliding blocks on the first linear rails, the end part of one first linear rail is provided with a first linear driving motor, and a connecting shaft is arranged between the end parts of the two first linear rails; the second linear module comprises a second linear rail and a second linear sliding block on the second linear rail, a second linear driving motor is arranged at the end of the second linear rail, and the jet printing assembly comprises a jet printing support fixed to the second linear sliding block and a nozzle on the jet printing support. According to the utility model, the jet-printed ink is collected and then treated in a centralized manner, so that the use of a large amount of paper or cloth for testing is avoided, the consumption of resources is reduced, the generation of waste paper or waste cloth or waste water is reduced, and the environmental protection is facilitated.

The invention discloses a dynamic characteristic multi-parameter characterization system and method of a power field effect transistor, and relates to the technical field of electrical variable measurement. Comprising the following steps: automatically adjusting input voltage, current and frequency according to the type and application scene of a power FET to be tested, and ensuring that a test system adapts to dynamic characteristics of different FETs; activating a high-frequency optimization mode and applying a broadband signal compensation algorithm, a bandwidth enhancement algorithm and a signal denoising algorithm to enable the signals to keep accuracy and definition in a high-frequency range; on the premise of ensuring the test precision, a low-power consumption mode is started, and power consumption is adjusted through dynamic power consumption management; comprehensive analysis of data is carried out, and parameter feedback optimization is carried out. According to the invention, high-precision, high-efficiency and multi-dimensional optimized dynamic performance test of the power FET is realized, and the test reliability and applicability are remarkably improved.

The embodiment of the invention discloses a current detection circuit and current detection equipment, the current detection circuit comprises a power supply input interface, a power supply output interface and a detection circuit, and the power supply output interface is connected with a circuit to be detected; the detection circuit comprises a shunt unit, a first connecting end, a second connecting end and a third connecting end, the shunt unit is connected between the first pole of the power input interface and the second connecting end, a first ampere meter is connected between the first connecting end and the second connecting end, and a second ampere meter is connected between the second connecting end and the third connecting end; when the current of the to-be-tested circuit is greater than a preset threshold value, the shunting unit is conducted, and the current drives the second ammeter to generate pointer deflection through the shunting unit; when the current of the to-be-tested circuit is smaller than a preset threshold value, the shunting unit is switched off, and the current drives the first ammeter to generate pointer deflection; wherein the first ampere meter and the second ampere meter are different in measuring range. The test efficiency and reliability can be improved.

The application provides a kind of virtual marshalling under global optimization curve test method, device, equipment and medium, it is related to rail transit technical field, the method comprises: extracting the third speed information corresponding to the car after marshalling from the first speed information, extracting the fourth speed information corresponding to the car after marshalling from the second speed information;According to fourth speed information and third speed information, determine the speed difference mean of the car after marshalling;According to the speed difference mean and preset speed, output the test result of virtual marshalling train global optimization curve.The application combines the speed corresponding to different time when virtual marshalling train runs according to preset recommended speed and the preset limit speed corresponding to different time to prevent virtual marshalling train from triggering emergency brake, realizes accurate verification to marshalling train running global optimization curve, has higher real-time and accuracy, improves the test efficiency and reliability of virtual marshalling, guarantees the operation safety of virtual marshalling train.

The invention relates to the technical field of battery safety testing, in particular to a battery thermal runaway testing method, device and equipment, a medium and a program product, and the method comprises the steps: obtaining battery state parameters of a to-be-tested battery, and determining heating parameters of corresponding electromagnetic induction equipment; generating an expected temperature rise rate according to the heating parameters and the battery state parameters, and detecting an actual temperature rise rate of the to-be-detected battery at the current moment; and calculating an adjustment value of the heating parameter according to a difference value between the expected temperature rise rate and the actual temperature rise rate, and heating the to-be-tested battery until the to-be-tested battery meets a certain thermal runaway condition, thereby obtaining a thermal runaway test result. Therefore, the problems that in the prior art, needling can damage the structure of the battery and repeatability is poor; extra energy needs to be input during overcharging, and a real thermal runaway scene cannot be reflected; the problems that in the prior art, external heating efficiency is low, heat distribution uniformity is poor, accurate control and uniform heating of the interior of the battery are difficult to achieve, and universality is not achieved are solved.

The utility model discloses an airplane wheel rotation driving device, which belongs to the technical field of rotation driving devices, and comprises a rotation driving equipment table and a friction wheel, the friction wheel is arranged on one side of the rotation driving equipment table, a turnover adjusting mechanism is arranged between the rotation driving equipment table and the friction wheel, and the turnover adjusting mechanism comprises a turnover angle adjusting frame, a rotating shaft and an adjusting assembly. The rotating shaft is rotationally connected to the interior of the belt rotating equipment table, and the overturning angle adjusting frames are fixed to the two ends of the rotating shaft; according to the utility model, through the arrangement of the overturning adjusting mechanism, the lifting toothed plate is driven by the lifting air cylinder to be in meshing transmission with the driven gear, so that the friction wheel is automatically overturned and moved out, reset and stored, the use state and the idle state are freely switched, the operation is simple, convenient and efficient, and the friction wheel can be completely stored in the accommodating groove of the belt rotating equipment table when being idle; the device is flush with the surface of the equipment table, so that the occupied space is greatly reduced, avoiding space is provided for airplane wheel falling, interference to airplane traction and other testing operations is avoided, and the smooth testing process is guaranteed.

The present application belongs to the technical field of material environmental adaptability testing, and particularly relates to a multi-field coupling environment simulation test device, which comprises a test box body, the test box body is divided into upper and lower installation spaces by a first partition plate; a sand blasting erosion assembly for simulating a sand blasting erosion environment, a saline-alkali corrosion assembly for simulating a saline-alkali corrosion environment and an ultraviolet aging assembly for simulating a sunlight ultraviolet environment are integrated in the installation spaces; the sand blasting erosion assembly is composed of a sand blasting head, a sand bin mechanism and a sand blasting pump; the sand bin mechanism comprises a sand bin, and a power vane driven by waste sand gravity is arranged on a waste sand falling path in the sand bin. The present application can realize integrated testing of three major environmental factors, ensure that the testing environment is highly consistent with the actual natural environment, improve testing efficiency and data reliability, and reduce equipment purchase and operation and maintenance costs.

This utility model relates to the technical field of aging test equipment, and in particular discloses an automatic feeding multi-layer aging rack, including a frame and an aging line mounted on the frame. The aging line includes an aging station, an aging fixture, a transmission mechanism, a lifting assembly, and a drive motor. The frame has an interface for electrical connection to an external power source at the aging station. The aging fixture carries the test workpiece and performs aging tests on it. The transmission mechanism, mounted on the frame, transports the aging fixture to the aging station. The output shaft of the drive motor is connected to the transmission mechanism to provide power. The transmission mechanism drives the aging fixture, which in turn carries the test workpiece to the aging station. The lifting assembly lifts the aging fixture, causing it to connect the test workpiece to the interface for electrical aging testing. This utility model, by incorporating a lifting assembly, automates the entire process from loading the test workpiece to electrical connection for aging testing, reducing manual intervention and improving work efficiency.

The application provides a transmission high-low temperature cycle endurance test method and system, which comprises the following steps: collecting basic parameters, key parameters and implicit parameters of the transmission at a physical layer through a dual-mode sensing unit, mapping a physical test state through a digital twin model at a virtual layer to generate a virtual sensing feature set, and corresponding integration into a dual-mode sensing feature tensor; calculating a dynamic adaptation degree between a test requirement feature matrix and the dual-mode sensing feature tensor in real time through a preset multi-field coupling feature discriminator, generating a three-dimensional composite feature map based on the dynamic adaptation degree; constructing a virtual-real linkage adaptive test framework according to the three-dimensional composite feature map; extracting target data from the dual-mode sensing data and the test requirement document and filling it into the corresponding analysis sub-column, synchronously passing through the coupling correlation path in the three-dimensional composite feature map to complete the corresponding endurance test. The application can comprehensively and accurately complete the endurance test, and the test efficiency is improved.

The invention discloses a display device and a test system thereof, and a voltage regulation circuit, and the voltage regulation circuit for the display device comprises a power unit which is used for providing a turn-on voltage for a display panel of the display device; the current detection element is connected in series in the turn-on voltage loop and is used for detecting a current signal in the turn-on voltage loop in the display panel and outputting a detection current; and the adjusting unit is used for judging whether the display panel has a voltage drift condition or not according to the detection current, and controlling the power supply unit to adjust the magnitude of the turn-on voltage under the voltage drift condition. According to the invention, display abnormity caused by drifting of the threshold voltage of the thin film transistor is avoided. According to the invention, voltage regulation is automatically triggered when current abnormity is detected, and a good display effect can be ensured while dependence on manual intervention is avoided.

The present application provides a program control box circuit switch synchronization test device, which belongs to the technical field of program control boxes, and specifically includes an equipment bracket for providing support; a drive component for providing power; a rotating shaft component connected to the drive component and rotated by the power provided by the drive component; an installation fixture, in which a program control box is arranged, and the program control box is connected to the rotating shaft component, and the program control box circuit is controlled by the rotation of the rotating shaft component; the drive component, the rotating shaft component and the product installation fixture are sequentially arranged on the equipment bracket. Through the processing scheme of the present application, the pulling speed is stable and controllable, which can ensure the consistency of multiple test results of the same product, solve the problem of unsatisfactory results and low product qualification rate caused by uncontrollable manual test speed, and improve the product test stability and test result reliability.

The application discloses a kind of automatic driving test problem diagnosis method, device, equipment and storage medium, method includes: from vector database inquires target document relevant to the description of the test problem of driving system, vector database includes the description document of different functional modules in driving system;According to test problem description and target document, using preset large language model carries out multi-round analysis and obtains diagnostic result.Through inquiring target document relevant to current problem, to obtain necessary effective information while reducing the text amount that large language model needs to process.Because large language model can automatically understand and analyze complex data through natural language processing capability, without relying on predefined rules, this enables large language model to flexibly and intelligently cope with various test problems, and large language model is analyzed through multi-round thinking, the next analysis depends on the output of last time, to obtain accurate diagnostic result, improves the comprehensive diagnosis of test problem.

The invention discloses a high-precision differential transient interruption signal generation system and method, and the system comprises a high-speed pulse light source device which comprises a high-power laser and a low-power laser; the high-power laser and the low-power laser are respectively connected with the optical power distribution device; the dual-channel power meter is connected to the first output ports of the two optical power distribution devices; the high-speed pulse mixer is connected to the second output ports of the two power distribution devices so as to enable the two paths of optical signals output by the two second output ports to be subjected to intensity gradient differential mixing and output analog optical signals; and the lower computer comprises a control module, a self-correction module and a calculation module, the control module is in signal connection with the high-speed pulse light source equipment and the dual-channel power meter, the self-correction module is connected to the control module, and the calculation module is connected to the control module and the self-correction module. The optical fiber transient interruption signal generator solves the problem that an existing optical fiber transient interruption signal generator adopts a single laser source scheme, and the precision of rapid transient signal simulation is insufficient.

The utility model relates to the technical field of engine parts testing, specifically is a valve guide rod surface friction and wear testing machine, including frame and fixed test bench on the frame, be provided with the guide seat on the frame, the guide seat inside slide joint has the cylinder type sliding block, the cylinder type sliding block drives the horizontal reciprocating movement in the guide seat through the first drive mechanism, the end of cylinder type sliding block is provided with the centering clamping mechanism for the valve guide rod circumferential clamping and coaxial positioning, the centering clamping mechanism includes the mandrel rotationally installed in the cylinder type sliding block inside, the mandrel is driven rotation through the second drive mechanism, is provided with the taper external thread head on the mandrel, the utility model discloses through the centering clamping mechanism design, has realized the quick clamping of valve guide rod sample, automatic centering and nondestructive clamping, effectively solved the technical problem that the traditional clamping mode exists and is poor in the centering accuracy, the operation is complicated, and the general property is insufficient, improved test efficiency and accuracy significantly.

Embodiments of the present application provide a short-circuit test circuit, a touch sampling circuit and a display device. The short-circuit test circuit comprises a first switch unit, a second switch unit and a charge conversion unit. The short-circuit test circuit is used for, for two touch points, if the first switch unit and the second switch unit corresponding to one touch point receive a first level, a first voltage signal at an output end of the charge conversion unit corresponding to the touch point becomes smaller, the first switch unit and the second switch unit corresponding to another touch point receive a second level, the first voltage signal at the output end of the charge conversion unit corresponding to the touch point becomes larger, and then the two touch points do not have a short circuit. Embodiments of the present application can realize batch detection of short-circuit conditions of touch points, and realize short-circuit detection of all touch points, so as to shorten the test time and reduce the test cost.

The utility model discloses a device for permanent magnet motor rack test oil cooling control, including the temperature control component for adjusting oil temperature, the oil inlet component for conveying oil to the motor, the oil outlet component for extracting oil in the motor and the oil storage component for storing oil, the temperature control component, oil inlet component, motor, oil outlet component and oil storage component are connected gradually and form closed loop oil circuit, the oil inlet component includes oil inlet pump, and the oil outlet component includes oil extraction pump, the device for permanent magnet motor rack test oil cooling control of the utility model, can effectively control the oil intake and output of motor through setting two oil pumps, and the oil amount in motor is adjusted conveniently, avoids the oil accumulation effectively, and the motor test efficiency and reliability are improved.

The application is suitable for the technical field of back contact battery, and provides a back contact battery, a battery assembly and a photovoltaic system. In the back contact battery, a first test part and a second test part for contacting probes of different polarities of a testing device are arranged on a silicon substrate. The first test part is in communication with at least part of the second fine grid through a first bus grid line, and the second test part is in communication with at least part of the first fine grid through a second bus grid line. The area of at least one first test part is smaller than the area of a first pad, and the area of at least one second test part is also smaller than the area of the first pad. Thus, due to the arrangement of the first test part and the second test part, the positive and negative probes of the testing device can form stable contact with the first test part and the second test part, respectively.

The utility model relates to the technical field of notebook computer testing, and discloses a notebook computer camera testing tool, which is characterized by comprising a testing platform, a first motor, a second motor, a third motor, a fourth motor and a fourth motor, the plane adjusting mechanism is connected with the base and suitable for adjusting the horizontal position of the base, and the plane adjusting mechanism is provided with a first driving unit suitable for driving the plane adjusting mechanism to move; the height adjusting mechanism is connected with the plane adjusting mechanism and suitable for adjusting the height of the plane adjusting mechanism, the height adjusting mechanism is provided with a second driving unit suitable for driving the height adjusting mechanism to move, and the problems that time and labor are wasted during notebook computer detection, and the reliability degree of detection results is low are solved.

The invention discloses a self-adaptive alignment test fixture for a multi-shape PCBA, and relates to the technical field of PCBA test fixtures, the self-adaptive alignment test fixture comprises a base, a rotary table structure and a positioning adjustment assembly, the rotary table structure is mounted in the base, the positioning adjustment assembly is mounted in the rotary table structure, the rotary table structure comprises a frameless motor, a rotary table and a heat dissipation plate, and the heat dissipation plate is mounted in the rotary table structure. The frameless motor is installed on the inner side wall of the circular groove of the base, the rotating table is installed on the inner side of the frameless motor, and the heat dissipation plate is installed on the top of the frameless motor. According to the self-adaptive alignment test fixture for the multi-shape PCBA, under the condition that the clamping test stability and accuracy of the square PCBA are kept, the mechanism capable of adjusting the coordinates of the characteristic parts of the circular PCBA is arranged, the coordinates of the specific parts of the PCBA to be tested are adjusted to be consistent with preset values, accurate alignment of the circular PCBA can be carried out in a self-adaptive mode, and the accuracy of the test is improved. Therefore, self-adaptive testing of PCBAs in various shapes and sizes is realized, the automation degree and the testing efficiency of the device are improved, and the practicability and the applicability of the device are improved.

The invention provides an engine anti-theft function test method and system, equipment and a storage medium, and belongs to the technical field of vehicle test. The test method comprises the following steps: controlling a key to move in a corresponding three-dimensional test space according to a preset test space range, and triggering an authentication process of an anti-theft function; synchronously acquiring spatial position sampling data of the key and an authentication result of the anti-theft function, and generating a training data set; the training data set is input into a preset machine learning model for training, a prediction model of the triggering probability of the engine anti-theft function is obtained, and the prediction model takes the spatial position information of the key as input and takes the probability that the engine anti-theft function is successfully triggered as output; and based on the prediction model, generating a three-dimensional function boundary representing the reliable triggering area of the anti-theft function of the engine. According to the method, automation of the testing process and comprehensive coverage of the three-dimensional space are achieved, the visual three-dimensional function boundary is generated through the machine learning model, and the testing efficiency and reliability are improved.

The utility model discloses a thermal testing tool for multi-heat source detection, which relates to the technical field of testing tools, and comprises a frame body, a fan, a positioning stud and a heat source heating mechanism, the fan is fixedly arranged at the rear part of the frame body, the positioning stud is fixedly arranged at the inner bottom end of the frame body, the positioning stud is a brass component, and the heat source heating mechanism is arranged in the frame body. And the heat source heating mechanism is fixedly installed at the bottom end of the interior of the frame body. The heat test tool is a tool capable of testing radiator products with multiple heat sources at the same time, each heat source can be independently heated at different power, the heat performance test requirement of the products with the multiple heat sources is met, and the requirement that the heat sources and each heating area on the products are heated at different power is met; meanwhile, it is guaranteed that each heating heat source is tightly attached to the corresponding heating area of the product, the product testing reliability and accuracy are improved, and meanwhile the reject ratio of product deformation is reduced.

The invention discloses an indentation testing method and system suitable for a complex curved surface part, and relates to the technical field of material mechanical property tests.The method comprises the steps that an initial space coordinate system is confirmed; scanning the surface of the to-be-measured part through a three-dimensional contourgraph to obtain three-dimensional shape data and a curved surface equation, and calculating a tangent plane equation at a target measuring point on the to-be-measured part; determining an included angle between a plane intersection line between a tangent plane and the initial space coordinate system and a horizontal plane, and calculating and controlling the two telescopic rods to move according to the included angle and a preset interval between the telescopic rods; and calculating a central point coordinate of the spherical hinge moving assembly and a projection point coordinate of vertical projection on the plane where the positioning table is located so as to calculate a coordinate of the center of the positioning table, and calculating a coordinate difference between the projection point coordinate and the central coordinate so as to carry out indentation testing on the target measuring point. According to the invention, the indentation test can be rapidly, accurately and non-destructively carried out on the complex curved surface part.

The utility model discloses an adjustable slide rail impact performance test device, which comprises a bracket, and a group of parallel guide shafts and a measuring scale are arranged on the bracket along the height direction of the bracket; a sliding block stretches across the guide shaft and moves along the arrangement direction of the guide shaft; the front face of the sliding block is connected with the telescopic sliding rail through a bolt, and the back face of the sliding block is connected with the support through a plunger piece. The mounting height of the plunger part is adjustable; in the initial state, the tail end of the plunger part penetrates through the support and extends into the sliding block so as to limit the testing height of the sliding block. The slide rail is in an extending state; in a termination state, the tail end of the plunger part penetrates through the bracket and is separated from the slide block, and the slide block falls off from the test height under the action of self weight; and the slide rail is in a contracted state. The beneficial effects of the utility model are that the slide rail is driven by the slide block to move to any height on the steel ruler, the performance parameters of the slide rail after being impacted at a determined height are simulated, and the test precision and reliability are improved.

This invention relates to a highly reliable satellite-rocket docking and separation test method based on satellite-rocket separation elements, comprising: refining satellite-rocket separation elements; designing various unlocking and separation test conditions according to different combinations of satellite-rocket separation elements, causing the satellite-rocket separation elements to be pulled to their limits in a direction unfavorable to normal separation, thus completing a satellite-rocket separation unlocking margin test; comparing and determining the influence weight of each satellite-rocket separation element on the separation result based on the test results and the state of the satellite-rocket separation elements; optimizing the satellite-rocket docking and separation test according to the influence weight of each satellite-rocket separation element on the separation result, setting satellite-rocket separation elements with influence weights higher than a preset threshold to a state favorable to normal separation. This invention solves the problem of high probability of test anomalies caused by the designer system and optimizes and improves the satellite-rocket docking and separation test method, thereby improving test reliability.