3755 results about "Testing equipment" patented technology

The invention belongs to the technical field of network test equipment, and discloses network response test equipment and a test method thereof, and is characterized in that the network response test equipment comprises the following modules: a distributed multi-mode dynamic sensing probe used for capturing service flow characteristics and microsecond-level performance indexes of a network link in real time; the extensible data middle table is in data connection with the probe and is used for establishing a unified spatio-temporal index for cross-level performance data from a physical layer to an application layer; and the causal atlas analysis engine based on artificial intelligence is used for positioning a network fault root cause according to the cross-level performance data. According to the invention, an evaluation standard is automatically calibrated according to historical business load characteristics through an extensible data-in-station dynamic baseline threshold mechanism, so that a test environment completely fits complex scenes such as video burst frame transmission, database synchronization ACK, high-frequency transaction chain and the like, the simulation distortion of a traditional tool to business traffic burst and multi-protocol mixed characteristics is eliminated, and the test efficiency is improved. And the test result is ensured to accurately map the long-term stability requirement.

The invention provides an automatic chip aging test method and system and a medium, and relates to the technical field of semiconductors, and the method comprises the steps: after a type identifier of a to-be-tested chip is identified, calling an aging test parameter group corresponding to the type identifier, and carrying out the aging test of the to-be-tested chip through the aging test parameter group, after the key electrical parameters of the to-be-tested chip in the aging test process are collected, comparison is carried out to obtain a comparison result, when the comparison result exceeds a preset threshold range, abnormal recording operation is automatically carried out, and the current aging test link of the to-be-tested chip is terminated. By automatically recording abnormal information and terminating the aging process, full-automatic closed-loop processing from data acquisition and analysis to decision and control is realized, the test efficiency is improved, test equipment and samples are effectively protected, resource waste and misjudgment risks are reduced, and the problems of low aging trend identification precision and slow response speed are solved.

The invention relates to the technical field of resistance test equipment, in particular to a portable loop resistance tester, which comprises a test and acquisition module used for acquiring current and voltage signal data of a tested product, analyzing a loop contact state and calculating a loop resistance value and impedance characteristic parameters; the control and output module is used for performing high-precision constant-current output and self-adaptive adjustment; the interaction and printing module is used for receiving a user operation instruction and displaying current and voltage signal data and a resistance value of a tested product, and meanwhile, printing is performed through a built-in thermal printer according to the user instruction; the power supply module is used for stably supplying power to equipment; and the intelligent diagnosis module is in butt joint with the cloud case library, automatically diagnoses related defect types influencing the loop resistance test, and generates a health assessment report. Therefore, the problems of small current output, insufficient sampling precision, single operation mode and the like in the prior art are solved.

This invention belongs to the technical field of photovoltaic panel testing equipment, specifically a photovoltaic panel impact resistance testing device, including multiple testing frames. Each testing frame has an internal flipping mechanism and a displacement mechanism. A top cover is provided on the top of each testing frame, and an operating box is installed between the outer walls of the testing frames. A puck storage box is installed on the outer wall of the top cover, and a limiting component is provided on the inner wall of the testing frame. By changing the rotational speed of the longitudinal gear, the movement trajectory of the puck launcher is altered. The teeth of the second gear mesh with those of the first gear, and their circumferences differ significantly. Therefore, the rotational speeds of the first and second gears are different. When the first gear rotates one revolution, the second gear has already rotated many revolutions. When the puck launcher is controlled to move, the lateral and longitudinal movement speeds differ, and its movement trajectory changes accordingly, thus increasing the randomness of the puck launch position.

The present invention relates to the technical field of testing equipment, and specifically discloses a prestressed steel strand performance testing device, comprising a machine body and an adjustable test bench mounted on the top of the machine body via an inclination adjustment unit. The top of the adjustable test bench is also provided with a continuous impact unit, a guide unit, and two left-right symmetrical multi-stage clamping units, wherein the multi-stage clamping units include a primary bending clamping assembly, a bending control assembly, and a secondary circumferential clamping assembly. The present invention can perform tensile strength testing and fatigue strength performance testing on the steel strand in a horizontal state, and can also perform tensile strength testing and fatigue strength performance testing on the steel strand in an inclined state; the present invention performs multi-stage clamping and fixing of the steel strand by cooperating with the primary bending clamping assembly and the secondary circumferential clamping assembly, thereby achieving multi-point and multi-directional clamping, ensuring that the steel strand is subjected to uniform clamping force in multiple directions, and preventing the steel strand from sliding during the tensile strength test.

The invention relates to a conveying device and detection equipment, the conveying device comprises a conveying assembly, a flow guide frame and a detection module, the conveying assembly comprises a first material conveying part, and the first material conveying part is used for conveying a material storage cup; the flow guide frame is erected on the first material conveying component and comprises a first flow guide plate and a second flow guide plate, the first flow guide plate and the second flow guide plate are located above the first material conveying component in a suspended mode, the first flow guide plate and the second flow guide plate are clamped in a spaced mode to form a flow guide channel, and the flow guide channel extends in the material conveying direction of the first material conveying component. A limiting edge strip of the material storage cup penetrates through the flow guide channel; and a detection medium of the detection module is injected into the material storage cup through a gap between the adjacent limiting edge strips. The flow guide channel can achieve the purpose of limiting circumferential rotation of the material storage cup by limiting the circumferential position of the limiting edge strip. In this way, the storage cup can be conveyed in the expected posture, and the stacking amount of the workpieces in the storage cup can be conveniently detected. The detection equipment comprises the conveying device, and the stacking amount of the workpieces in the material storage cup can be conveniently detected.

The utility model provides a test device for a ceiling clothes airing machine. The test device comprises a rack; the left test pull rope is used as a test pull rope for providing vertical upward pulling force for the first airing rod steel wire rope; the right test pull rope is used as a test pull rope for providing vertical upward pulling force for the second airing rod steel wire rope; the two ends of the cross rod are detachably connected with the wire outlet tail end of the first airing rod steel wire rope and the wire outlet tail end of the second airing rod steel wire rope respectively during testing; the two end parts of the cross rod are fixedly connected with one end part of the left test pull rope and one end part of the right test pull rope respectively; the pre-mounting piece device is used for providing vertically upward pulling force for the cross rod through the gravity of the pre-mounting piece device; the weighted mounting piece device is used for carrying out load pressing on the pre-mounting piece device during testing; and the lifting assembly is used for lifting and lifting the weight-increasing mounting piece device. According to the utility model, the steel wire rope of the suspended ceiling clothes airing machine can be accurately and efficiently detected in a load-bearing state in a manpower-saving manner.

The invention discloses a production line test construction system based on an MES system, and relates to the technical field of intelligent manufacturing and production line testing, and the production line test construction system comprises a test configuration module, a test execution module, a data integration module, a visual interface module and an authority management module. The test configuration module is used for automatically obtaining a test process template from the MES system according to the product model information and completing process customization in a graphical mode; the test execution module identifies a to-be-tested product and calls a process file, and controls the test equipment to execute a test and perform data acquisition and judgment; the data integration module binds the test result with the unique identifier of the product, and uploads the test result to the MES system to realize full-process tracing; the visual interface module is used for displaying a process state and a test result; the authority management module is used for performing hierarchical control and version conflict detection on the operation authority; according to the system, the construction efficiency and execution reliability of the test process are improved, and closed-loop and intelligent management of data in the test process is realized.

The invention provides a performance testing device and method for relay protection, belongs to the technical field of circuit testing equipment, and solves the technical problems that the working intensity of operation and maintenance personnel is high due to the fact that an existing road is rugged and equipment is heavy, the temperature is high in summer, and mechanical equipment and the maintenance personnel are overheated due to the too high temperature. The performance testing device for relay protection comprises a moving box and an equipment cavity formed in the moving box, a mounting frame is rotationally connected in the equipment cavity, a relay protection tester is arranged on the mounting frame, a limiting plate is slidably connected to the mounting frame, and a regulation and control assembly for controlling the limiting plate to move is arranged on the mounting frame. And the limiting plate and the inner wall of the mounting frame clamp and fix the relay protection tester, and the bottom of the moving box is slidably connected with a driving box. The device has the advantages that the mobility of the device is achieved, the damping effect is achieved during moving, vibration to the device is reduced, and wind power can be generated to cool the device when the device is transferred and advances.

In some implementations, a network test device may obtain a labeled dataset based on a radio access network intelligent controller (RIC) test simulation. The network test device may generate an artificial intelligence or machine learning (AI / ML) model that is trained using the labeled dataset. The network test device may receive, via a user interface, a network configuration associated with a user application deployed on an RIC. The network test device may predict, using the AI / ML model running on the network test device, a key performance indicator (KPI) based on the network configuration. The network test device may provide, via the user interface, an indication of the KPI.

The invention belongs to the technical field of testing equipment, and particularly relates to a multipurpose high-frequency fatigue testing machine which comprises main control equipment and a fatigue testing machine body, the fatigue testing machine body comprises a bottom machine and an electromagnetic high-frequency generating machine body, and a balance weight table is assembled under the electromagnetic high-frequency generating machine body through connecting rod connection; clamp assemblies are assembled on the surface of the bottom machine and the lower surface of the counterweight table; the multiple balance weights are adjustably stacked on the surface of the balance weight table and used for being matched with the resonance points by replacing balance weights; and the plate clamp is detachably assembled with the clamp assembly and is used for detecting cracks generated in the test process of the test sample. The device can replace manpower to flexibly adjust the counterweight, realizes rapid and convenient operation, can timely detect a cracked plate in a test, and is convenient to timely stop the test before the sample is fractured.

The invention relates to the technical field of generator test equipment, and particularly discloses a comprehensive test platform for a generator. The bearing assembly, the hoisting assembly and the testing instrument are installed on the vehicle body, the bearing assembly comprises two bearing arms and a driving mechanism, and weighing sensors are installed on the bearing arms and can be far away from and close to each other; the test instrument can obtain related test data based on weighing data fed back by the weighing sensor. The comprehensive test platform for the generator can move, can automatically complete loading and unloading of the diesel generator, does not need assistance of other equipment, and remarkably reduces the requirements for site conditions; data such as the whole machine weight, the fuel consumption rate and the operation stability can be measured, the test items are rich, and the functions are complete; and the transfer frequency in the comprehensive test process can be effectively reduced. After the test is completed, the diesel generator can be transferred and loaded to another test device, which is efficient and fast; and meanwhile, the method has the technical advantages of good applicability, easiness in implementation, relatively low cost and the like.

The invention relates to a lubricating grease porous material permeability test device, and relates to the technical field of material performance analysis, the device comprises a placing table for placing a sample, the placing table is provided with a driving device and a test seat, and the test seat is provided with a test cavity; the driving device is used for driving the testing seat to move in the direction close to the placing table so as to contain the sample into the testing cavity; a sensing device used for sensing lubricating grease below the sample is arranged on the placing table, a sealing device used for sealing the peripheral wall of the sample is arranged in the testing cavity, a conveying device used for conveying the lubricating grease to the position above the testing cavity is arranged on the placing table, and a pressurizing device used for applying pressure to the lubricating grease above the sample is arranged on the placing table. The multiple steps of sample clamping, sealing, grease injection, pressurization and detection are integrated into a coherent automatic process, the test efficiency is remarkably improved, the consistency of test conditions is ensured through mechanical positioning and automatic control, and high repeatability and high reliability of test results are ensured.

The invention relates to the technical field of microbiological detection, in particular to active probiotic component detection equipment which comprises a box body, a microscope is arranged in the box body, a glass slide is arranged below the microscope, a cover glass is placed at the top of the glass slide, a box door is rotationally connected to one side of the box body through a hinge, a placement plate is fixedly mounted in the box body, and sliding grooves are formed in the two sides of the placement plate. A clamping unit is slidably connected in the sliding groove, a glass slide is fixedly connected above the placing plate through the clamping unit, a first mounting groove is formed in one end, close to the glass slide, of the placing plate, a driving unit is fixedly connected in the first mounting groove, a separating unit is arranged above the glass slide, and a heating unit is arranged below the glass slide; the separation unit and the heating unit are both controlled by a driving unit, the bottom end of the clamping unit penetrates through the placing plate to be fixedly connected with a moving unit, a dyeing unit is arranged in the end, away from the clamping unit, of the placing plate, and an angle adjusting unit is arranged below the dyeing unit.

The invention belongs to the technical field of concrete testing, and particularly provides mechanical property testing equipment and a detection method for recycled aggregate concrete. The mechanical property testing equipment for the recycled aggregate concrete comprises a machine body, a reversing unit, a pressure testing unit and two tension testing units, the pressure testing unit is arranged in the vertical direction, and the two tension testing units are arranged in the horizontal direction and do not interfere with each other in spatial position. The reversing unit can clamp a test piece and drive the test piece to move between the vertical direction and the horizontal direction, the placement state of the recycled aggregate concrete test piece is switched and changed in real time, and the flexibility of the equipment during mechanical property testing is improved; the recycled aggregate concrete test piece can meet the requirements of two different test items of compressive strength test and tensile strength test.

The invention relates to the technical field of lithium batteries, in particular to a lithium battery formation and capacity grading test health monitoring and performance diagnosis method and system. Comprising the following steps: acquiring voltage data, and identifying a target single cell according to the voltage data; a bypass current channel is gradually established for the target single battery cell, so that the bypass current is gradually increased from zero or an initial value according to the change speed of the bypass current; acquiring current change data of the bypass current channel in real time during the establishment period of the bypass current channel, and adjusting the establishment slope and / or the segmented switching time sequence of the bypass current according to the current change data; and when the bypass equalization operation is finished, gradually reducing the bypass current according to the corrected bypass current change speed until the bypass current channel is removed. The problems that in the lithium battery formation and capacity grading test process in the prior art, potential accumulative damage is caused by bypass equalization operation, and transient influences are difficult to accurately capture and evaluate by existing test equipment are solved.

According to the noise vibration test equipment and the rotating shuttle calibration method, a rotating shuttle to be tested is installed on a rotating shuttle shaft driven by a driving device to rotate, an outer shuttle frame is fixed through a rotating shuttle positioning device, and the assembly and operation states of the rotating shuttle in a sewing machine are truly simulated; the noise and vibration parameters during high-speed operation are collected in real time by means of the noise and vibration detector, the noise and vibration performance of the rotating shuttle can be quantitatively evaluated before the whole machine is assembled, and interference of other parts of the whole machine is avoided. According to the method, the unqualified rotating shuttle can be recognized and debugged in advance, the situation that the noise and vibration of the whole machine exceed the standard due to the individual gap difference of the rotating shuttle is effectively prevented, front screening and grading management of the rotating shuttle quality are achieved, and the one-time assembly yield of the whole machine is remarkably improved; meanwhile, complex debugging after the whole machine is assembled is omitted, the rework, replacement and labor cost is greatly reduced, and the production efficiency and the product consistency are improved.

The invention relates to the field of pressure resistance detection of a heating pipeline connection leakage-proof structure, in particular to pressure resistance performance testing equipment for a heating pipeline connection leakage-proof structure. The invention provides a heating pipeline connection leakage-proof structure pressure-resistant performance test device which comprises a box body, a valve is installed on the side wall of the box body, a placing frame is fixedly connected to the top of the box body, a water pump is installed on the box body, a water inlet pipe of the water pump extends into the box body, and a water outlet pipe of the water pump penetrates out of the placing frame. The side, close to the water pump, of the containing frame is rotationally connected with symmetrically-distributed rotating shafts. Synchronous action is achieved through the transmission assembly and the self-locking gear set, it is ensured that a pipeline is firmly fixed in a high-pressure test, and leakage or damage caused by infirm fixing is avoided; the position of the pipeline is accurately adjusted, accurate butt joint of water injection nozzles is guaranteed, the problem of poor centering performance of traditional equipment is solved, and personal errors are reduced; the automatic design significantly shortens the preparation time, improves the test efficiency, reduces the labor intensity and maintenance cost, and improves the detection precision and reliability.

The invention provides equipment and a method for testing the emission amount of harmful gas in a tunnel, and relates to the technical field of tunnel construction. Comprising a sleeve, a gas parameter testing unit installed on the sleeve, a water tank communicated with the interior of the sleeve and a gassing module installed on the water tank, and the gassing module is connected with the gas parameter testing unit; one end of the sleeve can be dynamically sealed with the drill rod, and the other end of the sleeve is of an opening structure; the gassing module is used for separating out gas in water and conveying the gas to the gas parameter testing unit; and the gas parameter testing unit is used for detecting the concentration and flow velocity of harmful gas in the sleeve and the concentration of harmful gas separated out from water. A gas parameter testing unit is arranged to monitor the data change of gas gushing out of the drill hole in real time; the gassing module can separate out gas in water in real time and convey the gas to the gas parameter testing unit to measure the concentration of dissolvable gas, so that the calculation of the emission amount is more comprehensive and accurate.

The present invention discloses an edge banding quality inspection device, comprising a detection component, a rotating component disposed within the detection component, a detection device comprising a chassis, a detection table fixedly mounted within the chassis near a feed port, a robotic arm disposed within the chassis, an industrial camera disposed at one end of the robotic arm, a ring light source disposed on the outer surface of the industrial camera, a PLC controller disposed within the chassis, and an in-place sensor disposed on the outer surface of the robotic arm. When the present invention is used, the industrial camera photographs the corners of a plate, the PLC controller compares the photographed image of the edge banding portion with a pre-stored image of a defect-free standard edge banding, the ring light source provides uniform and stable lighting conditions, the robotic arm flexibly adjusts the position and angle of the industrial camera and the ring light source, and the in-place sensor monitors the motion state of the robotic arm in real time; under the action of the rotating component, the effect of automatic rotation is achieved, and the different angle states of the plate are automatically adjusted, without the need for frequent removal, adjustment, and re-insertion, thereby saving time and improving inspection efficiency.

The utility model discloses a rice huller, particularly discloses an experimental rice huller, and belongs to the technical field of design and manufacture of grain and oil detection equipment. According to the experimental rice huller, the grinding and extruding roller gap can be accurately adjusted. The experimental rice huller comprises a machine frame, a fixed rubber roller, a movable rubber roller and a rice hulling driving system, the fixed rubber roller and the movable rubber roller which are arranged on the machine frame in a mutually-adaptive mode are driven by the rice hulling driving system to rotate, and the experimental rice huller further comprises a grinding gap automatic quantitative adjusting system. And a grinding gap between the fixed rubber roller and the movable rubber roller is adjusted by driving the movable rubber roller to move by a specified distance in a corresponding direction through an automatic quantitative grinding gap adjusting system.

The invention discloses a dye extraction device for textile detection and an extraction method thereof, and relates to the technical field of textile detection equipment. Comprising a supporting seat, an outer barrel is clamped at the top end of the supporting seat, a lower pressing seat for placing a textile sample is arranged at the bottom end in the outer barrel, a driving part is arranged on the outer barrel, an upper pressing seat is arranged on the driving part, and the driving part can drive the upper pressing seat to move downwards to extrude and rub the textile sample on the lower pressing seat; the squeezing table of the upper pressing seat is matched with the W-shaped containing groove, samples are evenly rubbed during rotation, it is ensured that dye is fully separated out, the reagent box and the balls are in linkage design, the reagent is released according to needs and evenly smeared, waste and manual intervention are avoided, the sealing cylinder automatically plugs or opens the drainage groove through the rubber sealing ring, and the liquid drainage time is controlled. The environment stability in the soaking stage is guaranteed, and the compatibility and the operation convenience of the device to different samples are enhanced in cooperation with a quickly assembled and disassembled medicament box structure.

The invention relates to the technical field of cable testing equipment, and discloses a cable protection tube axial tensile strength testing device and a testing method.The cable protection tube axial tensile strength testing device comprises a mounting base, the top of the mounting base is fixedly connected with a rack, the inner side of the rack is provided with a movable cross beam, the movable cross beam can move on the inner side of the rack, and the movable cross beam can move on the inner side of the rack. Mounting and fixing mechanisms are arranged on one side of the mounting base and one side of the movable cross beam, a flexible clamping mechanism is arranged on one side of each mounting and fixing mechanism, the mounting and fixing mechanisms facilitate replacement of the flexible clamping mechanisms, and the flexible clamping mechanisms are used for flexibly clamping a cable protection pipe. Air pressure is provided through the air pressure supply mechanism, flexible clamping is achieved through the flexible clamping mechanism, the clamping end is prevented from being damaged, clamping stability can be improved through the air pressure supply mechanism by means of internal and external extrusion air bags, slippage of a cable protection tube sample is avoided, meanwhile, the end of a cable protection tube is protected against damage, and therefore an accurate numerical value can be tested; the test precision is improved.

The invention discloses a bench static load pressure test device, which comprises a support seat, a guide rail assembly arranged on the support seat, and column assemblies symmetrically arranged on two sides of the guide rail assembly, the top of each column assembly is provided with a vertical lifting mechanism, and the driving end of each vertical lifting mechanism is connected with a transverse moving platform; the transverse moving platform is provided with a bionic pressure applying assembly, and the bionic pressure applying assembly comprises a hydraulic servo assembly, a multi-axis linkage joint and a bearing plate; wherein the lower end face of the bearing plate is provided with a bionic pressing body, and the bionic pressing body is provided with a deformable contact array and an embedded thin film pressure sensor; a spoke type force sensing unit is arranged between the hydraulic servo unit and the multi-axis linkage joint, a scanning module is arranged on the transverse moving platform and used for scanning the deformation amount of the step stool in real time and feeding back the deformation amount to a control system to form a force-deformation data closed loop, a static load loading force field of the step stool in a real foot contact state is accurately simulated, and the detection accuracy is improved.

The invention provides a wafer feeding and discharging machine, chip testing equipment and a control method thereof, and relates to the technical field of wafer testing. A conveying mechanism comprises a conveying disc used for conveying among a wafer feeding mechanism, a wafer discharging mechanism and a testing machine, the conveying disc is provided with a feeding area and a discharging area, the feeding area is used for placing a to-be-tested chip, and the discharging area is used for placing a tested chip. A first adsorption assembly of the loading and unloading carrying mechanism is used for carrying a tested chip on the wafer loading mechanism to the loading area, and a second adsorption assembly is used for carrying a tested chip in the unloading area to the wafer unloading mechanism. According to the technical scheme, the same conveying disc is adopted to carry the to-be-tested chips and the tested chips, discharging can be carried out while feeding is carried out, the conveying frequency can be reduced, and therefore the testing efficiency of the chips is improved.

The invention provides a large-scale constellation network semi-physical simulation test system and method, the system comprises a constellation simulator, a satellite-borne router, ground detection equipment and a protocol conversion network bridge, a Mininet simulation platform is deployed, and dynamic topology adjustment, an OSPF dynamic routing protocol and a multi-scene test function are supported; a user can observe network topology change, route updating time and key performance indexes in real time. A semi-physical simulation architecture is realized through unified IP subnet interconnection and the same routing protocol, a space-time synchronization engine ensures that virtual and real node routing tables take effect at an appointed moment, and in combination with a protocol consistency sandbox, hidden faults caused by inconsistent behaviors of hardware and software protocol stacks are solved, and the service life of the virtual and real node routing tables is prolonged. A plurality of real nodes are accessed in a large-scale network environment, and end-to-end data transmission test, security policy verification and protocol compatibility analysis are carried out; the invention provides an efficient, flexible and reliable solution for the design, verification and optimization of the satellite network, and has a wide application prospect.

The invention discloses hardware detection equipment for electronic information engineering, and relates to the technical field of electronic hardware detection. The device comprises a detection table, a fixing mechanism is arranged above the detection table, the fixing mechanism comprises a clamping plate slidably connected to the upper portion of the detection table, the lower portion of the clamping plate is in threaded connection with a bidirectional threaded rod, the bidirectional threaded rod is fixedly provided with a first transmission wheel, and the first transmission wheel is in transmission connection with a second transmission wheel through a transmission belt; the second transmission wheel is fixedly installed on a threaded cylinder, the threaded cylinder is in threaded connection with an air rod, the air rod is fixedly provided with a piston, and the piston is slidably connected into the air cylinder. Through rotation of the bidirectional threaded rod, displacement of the clamping plate is controlled, the threaded cylinder is driven to rotate through the transmission wheel and the transmission belt, rotary motion is converted into linear motion of the air rod, the piston is pushed to reciprocate in the air cylinder to generate air flow, the air flow is sprayed out of the air spraying pipe through the splitter plate, and linkage of clamping and cleaning is achieved; dust or chippings on the surface of the electronic hardware are effectively removed, and the detection precision is ensured.

The invention discloses a device and method for testing the cross-medium water entry of a navigation body under the wave condition, and relates to the technical field of missile body water entry testing equipment.The device for testing the cross-medium water entry of the navigation body under the wave condition comprises an experimental water tank, and a wave maker is arranged in the experimental water tank; the adjusting module comprises a launching platform capable of adjusting the inclination angle; the emission module comprises an emitter and a driving source, the emitter is arranged on the emission platform, the driving source is in butt joint with one end of the emitter, the other end of the emitter is provided with a rectification structure, and high-pressure gas provided by the driving source enables a carbon body loaded on the emitter to be released at a certain initial speed; the rectification structure is used for reducing interference generated by gas turbulence in the radial direction of the launcher when the projectile body leaves the launcher. According to the invention, a stable wave page is generated through the cooperation of the motion phases of the two wave generators, the process that a projectile body enters water under a real sea condition is simulated, and more accurate experimental data is provided for the design and optimization of a cross-medium motion body.

The invention discloses a novel motor shell material compression resistance test bench, which comprises a base, a bottom plate is fixed on the top of the base, and a radial shrinkage extrusion test mechanism is arranged on the bottom plate and is used for testing the compression resistance of the side surface of the motor shell material; the radial shrinkage and extrusion testing mechanism comprises a disc fixed to the top of the bottom plate. The invention relates to the technical field of material testing equipment. According to the novel compression resistance test bench for the motor shell material, through the arrangement of the radial shrinkage extrusion test mechanism, the motor shell material is radially shrunk and extruded by utilizing four extrusion arc plates, so that the multi-directional pressure test on the side surface of the motor shell material is realized; compared with a traditional pressure testing device which can only conduct pressure testing on the motor shell material in the vertical direction, the testing device does not need to frequently adjust the position of the motor shell material, the testing efficiency is greatly improved, and errors generated by manual operation are also avoided.

The invention discloses a full-automatic test device and method for a main control board, and belongs to the technical field of circuit board detection. The left end of the base frame is provided with a continuous feeding mechanism used for continuously conveying the center control plate to the tool plate. The tool plate is provided with an automatic positioning mechanism, the rear side of the upper end of the base frame is provided with a continuous detection mechanism, and the continuous detection mechanism comprises a rotary horizontal maintaining and supporting mechanism and a detection mechanism. A central control plate on a tool plate is clamped and positioned through an automatic positioning mechanism, the central control plate is photographed and detected through a visual detection device, and a rotary horizontal keeping and supporting mechanism controls a detection mechanism to do circular motion while keeping a horizontal posture. The detection mechanism can detect the central control board on the tool plate in the moving process of the tool plate, and continuous and efficient detection operation of the central control board is achieved.