35results about How to "Improve testing capabilities" patented technology

The invention discloses a mouse cochlea radiotherapy device and a radioactive sensorineural hearing impairment animal model, and belongs to the technical field of radiotherapy hearing impairment animal models.The mouse cochlea radiotherapy device comprises a base and radiotherapy equipment arranged above the base, a lead plate is arranged below the radiotherapy equipment, a plurality of mounting boxes are fixed to the bottom end of the base, and the mounting boxes are connected with the lead plate. A mounting box is arranged on the base, a plurality of sliding grooves penetrating through the mounting box are formed in the top end of the base, a head fixing belt and two sets of limb fixing belts are arranged between the two sliding grooves on the same side, positioning teeth are arranged at the bottom ends of the head fixing belt and the limb fixing belts, and a toothed plate clamped with the positioning teeth is elastically arranged in the mounting box. According to the mouse cochlea radiotherapy device and the radioactive sensorineural hearing injury animal model, a test mouse can be conveniently fixed, and the accuracy of radioactive rays and the test effect are improved.

The invention discloses a heterogeneous unmanned platform test method and system based on virtuality and reality combination, and solves the interconnection, interworking and interoperation problems of various heterogeneous test objects through an LVC integrated joint simulation technology, and further utilizes a virtuality and reality interaction method on the basis of the interconnection, interworking and interoperation problems. The method comprises the following steps of: fusing simulation elements in a test process of a real physical test, adding a physical test link in a virtual simulation test process, performing a virtual simulation test by utilizing data from the real physical test, and broadening and expanding test verification contents by utilizing virtual simulation; and a set of virtual-real combined test environment system is constructed for intelligent unmanned platform integration test verification, and system-level heterogeneous unmanned platform test verification based on a specific scene can be completed. According to the invention, interconnection, intercommunication and interoperation of various heterogeneous test objects are realized, the accuracy and credibility of the test are improved, and the test cost is reduced.

The invention discloses an oil reservoir grade carbon dioxide burying stock calculation method and system, and relates to the technical field of oil and gas field development, and the method comprises the steps: carrying out a core waterflooding-CO2 flooding pore scale fluid characterization experiment based on a micro-nano core CT online scanning technology, and calculating CO2 burying efficiency ES; measuring a core oil-gas phase permeability curve and oil displacement efficiency ED, and judging whether a semi-logarithmic relation curve of kro / krg and Sg in the CO2 displacement stage meets a binomial change relation or not; obtaining target oil reservoir static parameters and production dynamic indexes, describing a gas-oil ratio and cumulative oil production change relation in a gas seeing stage, establishing a CO2 flooding characteristic curve, and performing data point fitting, oil reservoir recovery rate ER prediction and oil reservoir swept volume V calculation through a binomial expression; and calculating the reservoir-level CO2 burying amount VS according to the reservoir swept volume V and the CO2 burying efficiency ES. According to the method disclosed by the invention, the required data are few in types and high in availability, and the CO2 burying amount can be accurately calculated simply, conveniently and quickly only by the basic physical properties of crude oil and rock and the production dynamic data of an oil well.

The utility model provides a simulated loading test device for a main bearing of a heading machine, and relates to the technical field of heading machine detection equipment. The tunnel boring machine main bearing simulation loading test device comprises a frame body and a connecting flange located in the frame body, the connecting flange is used for installing a main bearing of a tunnel boring machine, the tunnel boring machine main bearing simulation loading test device further comprises a driving device, a radial loading device, an axial loading device and an impact loading device, and the driving device is used for driving the main bearing to rotate relative to the connecting flange; the radial loading device is used for acting on the connecting flange in the radial direction so as to provide radial loading for the main bearing, the axial loading device is used for acting on the connecting flange in the axial direction so as to provide axial loading for the main bearing, and the impact loading device is used for impacting an inner ring of the connecting flange so as to apply impact load to the main bearing. According to the simulated loading test device for the main bearing of the heading machine, the diversity of simulated loading tests of the main bearing of the heading machine is improved.

The invention discloses a hydraulic fracturing crack model and a pulverized coal migration test device. The hydraulic fracturing fracture model comprises a model body and a model body, the model body is installed on a main body, a main fracture and a plurality of secondary fractures are arranged in the model body, the main fracture is communicated with the secondary fractures, the secondary fractures are arranged on the two sides of the main fracture at intervals, in addition, the model body is provided with a main injection port, a secondary injection port and a production port, and the main injection port is communicated with the secondary injection port. The main injection port is communicated with one end of the main crack, the output port is communicated with the other end of the main crack, and the secondary injection port is communicated with the secondary crack. The device can simulate the actual migration condition of the pulverized coal in the hydrofracture crack, so that the test effect of the device for testing the migration of the pulverized coal in the hydrofracture crack is improved.

The invention relates to a passenger car steering gear muddy water spraying durability test bench, which comprises a test bench base, a spraying test box and a muddy water tank, and is characterized in that the test bench base is used for supporting a power system, the spraying test box is installed on the test bench base and is used for installing a steering gear, and the muddy water tank is communicated with a spraying assembly. The spraying assembly is installed in the spraying test box and used for spraying muddy water towards the steering gear. The technical problems that an existing steering gear durability test mode cannot simulate a rainy day test effect and the test efficiency is low can be solved.

The invention discloses a ground test hydrogen-oxygen rocket engine mixing ratio control system which comprises a liquid hydrogen storage tank, a hydrogen cavitation pipe, a liquid oxygen storage tank, an oxygen cavitation pipe, a combustion device, a gas nozzle, a liquid hydrogen storage tank pressure control system and a liquid oxygen storage tank pressure control system. Wherein the liquid hydrogen storage tank is connected with the liquid hydrogen storage tank pressure control system through a pipeline; the liquid oxygen storage tank is connected with the liquid oxygen storage tank pressure control system through a pipeline; the liquid hydrogen storage tank is connected with an inlet of the hydrogen cavitation pipe through a pipeline, and an outlet of the hydrogen cavitation pipe is connected with a hydrogen inlet of the combustion device through a pipeline; the liquid oxygen storage box is connected with an inlet of the oxygen cavitation pipe through a pipeline, and an outlet of the oxygen cavitation pipe is connected with an oxygen inlet of the combustion device through a pipeline. An outlet of the combustion device is connected with an inlet of the gas nozzle through a pipeline, and an outlet of the gas nozzle directly discharges gas outwards. The purposes of controlling the mixing ratio and prolonging the test duration are achieved, meanwhile, the safety of the engine and the test device is guaranteed, and the test cost is reduced.

The invention discloses a test device for multi-field coupling maintenance of a filling body, and relates to the technical field of underground filling, the test device comprises an upper box body and a lower box body, the upper box body is fixedly installed at the top of the lower box body, the upper box body is communicated with the lower box body, and a uniform mixing mechanism for mixing the filling body is installed in the upper box body. During use, a lifting motor is started, two screws are driven to rotate synchronously under the meshing action of two first chain wheels and a first chain, so that two lifting blocks and a mounting box are driven to move downwards synchronously under the action of threads, when the mounting box moves downwards to a proper position, a stirring shaft is in contact with a filling body, and at the moment, a driving gear is meshed with a fixed rack; therefore, when the mounting box continues to move downwards, the driving shaft is driven to rotate through the meshing effect of the mounting box, the stirring shaft and the multiple stirring rods are driven to rotate through transmission of the driving bevel gear and the driven bevel gear, the filling bodies are stirred, and the mixing degree of the filling bodies is improved.

The utility model relates to the technical field of powder coating, in particular to a spraying device for film forming detection of powder coating, which comprises a spraying box chamber, a partition plate is arranged in the spraying box chamber, an inner cavity of the spraying box chamber is divided into an installation cavity and a spraying cavity by the partition plate, a spray gun component is installed in the installation cavity, and a test plate is installed in the spraying cavity. The spray gun assembly comprises a nozzle, and the nozzle penetrates through the partition plate and communicates with the spray head cavity. The test plate is of a flat plate-shaped structure, the test plate is vertically arranged in the spraying cavity, the side face of the test plate is right opposite to the nozzle, a material spraying face is arranged on the face, facing the nozzle, of the test plate in a protruding mode, and the material spraying face is right opposite to the nozzle; according to the utility model, a plurality of groups of spray gun assemblies are arranged in the spraying box chamber, different powder coatings are sprayed at the same time, various parameters of the powder coatings can be adaptively adjusted, the test range is widened, and the test effect is convenient to observe.

The invention discloses a coating method of a high-strength fastener, which comprises a pre-process and a post-process, the pre-process comprises cleaning, shot blasting, alkaline cyanide-free galvanizing, washing, passivating, washing, sealing and spin-drying, and the post-process comprises cleaning, shot blasting, alkaline cyanide-free galvanizing, washing, passivating, washing, sealing and spin-drying; the post-process comprises the steps of coating, pre-drying, sintering, secondary coating, pre-drying, sintering and blanking. The method has the advantage that the corrosion resistance is improved.

The utility model discloses an electronic water pump positioning mechanism for electronic water pump performance tests, which relates to the technical field of electronic water pump performance tests and comprises a water storage tank and an electronic water pump, threads are arranged on the outer walls of a water inlet pipe and a water outlet pipe of the electronic water pump, and a U-shaped frame plate is arranged at the top of the outer wall of the water storage tank. An electric telescopic rod is fixedly connected to the top of the fixing plate, a positioning plate is fixedly connected to the right side, close to the electronic water pump, of the top of the transverse face of the U-shaped frame plate, a positioning mechanism is arranged on the left side, close to the U-shaped frame plate, of the top of the transverse face of the U-shaped frame plate, and a first connecting mechanism is arranged on the side, close to a water inlet pipe of the electronic water pump, of the right end of the water storage tank; a second connecting mechanism is arranged on the side, close to the electronic water pump water outlet pipe, of the front end of the water storage tank. One end of the electronic water pump is positioned through the positioning plate, and then the other end of the U-shaped frame plate is clamped and fixed by operating the positioning mechanism, so that the electronic water pump is positioned and fixed on the U-shaped frame plate.

This invention discloses a salt spray testing device and method for curtain wall profiles, belonging to the field of curtain wall profile testing. The salt spray testing device for curtain wall profiles includes an annular platform and an annular groove disposed at the upper end of the annular platform. An annular plate is rotatably connected to the upper end of the annular groove. A salt spray generator is fixedly installed at the upper end of the annular plate, and the output end of the salt spray generator extends into the annular groove. A driving part for driving the annular plate to rotate is provided on the annular platform. Multiple circumferentially distributed circular holes are disposed at the upper end of the annular plate, and a turntable is rotatably connected to each of the multiple circular holes. Each of the multiple turntables has an inclined insertion hole. This invention allows the gas in the salt spray environment to fully contact the surface of the curtain wall profile, ensuring the test effect. Furthermore, it allows the curtain wall profile to simulate being subjected to salt spray blowing from different directions, thus making the test process more accurate.

The utility model discloses a testing device for a fireproof thermal insulation material, which relates to the field of thermal insulation material testing and comprises a water tank, a plurality of groups of connecting frames are mounted on the water tank and are symmetrically distributed, a through groove is formed in each group of connecting frames, a supporting plate is arranged in each through groove, and a plurality of through holes are formed in the supporting plates. One end of the supporting plate is fixedly connected with a rotating shaft, the rotating shaft is rotationally connected with the connecting frame, a thermal insulation material body is arranged at the position, close to the supporting plate, of the outer side of the connecting frame, a pressing plate is arranged above the thermal insulation material body, a connecting piece is arranged on the pressing plate, and the pressing plate is connected with a telescopic shaft through the connecting piece; a driving air cylinder is installed at the end, away from the connecting piece, of the telescopic shaft, a mounting plate is fixedly connected to the end, away from the water tank, of the connecting frame, and the driving air cylinder is connected with the mounting plate. According to the flame extinguishing device, flames on individual inferior thermal insulation material bodies in the test process can be quickly extinguished, and test accidents are avoided.

The invention discloses a pavement crack double-layer reinforcement CRCP construction test method and construction method.The pavement crack double-layer reinforcement CRCP construction test device comprises a supporting structure, a walking mechanism, a heating device, a cooling device and an infrared thermal imaging device, and the walking mechanism is connected with the supporting structure through a lifting mechanism; the output end of the heating device is arranged towards the road surface, and the output end of the cooling device is arranged towards the road surface. Debugging the test device and adjusting the height; screening a detection range and set properties; the test device heats a target road surface, the cooling device assists in keeping constant temperature or cooling, the infrared thermal imaging device photographs and / or photographs, and the infrared thermal imaging device quantifies temperature distribution data to form a distribution image; and analyzing and judging data, namely determining damage and defect positions and judging the fullness quality of a structural interface.

The utility model relates to the technical field of detection tools, and discloses a new energy automobile power battery pack stiffening beam anti-collision performance detection mechanism which comprises a rack, a tension meter is arranged on an upper cross beam of the rack, a clamping jaw is arranged on each of the tension meter and a bottom plate of the rack, and the two clamping jaws clamp the two ends of an anti-collision beam; a transverse notch, a vertical notch and an inclined notch are respectively formed in a clamping block of the clamping jaw, a strain gauge is pasted on the anti-collision beam, and the strain gauge is connected with a Wheatstone bridge circuit board; the Wheatstone bridge circuit board is installed on the front face of the rack and covered with the protective cover. The Wheatstone bridge circuit board is electrically connected with the voltmeter, and the voltmeter is installed on the rack; an impact structure facing the anti-collision beam is installed on the machine frame. According to the utility model, anti-collision simulation tests of different directions and inclination angles are carried out on the anti-collision beam, the flexibility of the detection mechanism is increased, and the test effect of the anti-collision beam of the battery pack is improved.

The application relates to a classification sampling tool and method suitable for a low-visibility seabed environment, which comprises a sampler for collecting samples, the structure of the sampler comprising a sampling cylinder, one end of the sampling cylinder being closed by a sealing plate, and a matching rod being connected to the sealing plate; a sample barrel provided with a barrel body for containing the collecting sampler; a cover capable of moving along the axial direction of the sample barrel and controllably closing the barrel body; a limiting structure arranged on the sample barrel and capable of controllably limiting the axial movement of the cover on the sample barrel; and a matching hole corresponding to the matching rod being arranged on the cover. Through the above operation, in-situ classification sampling in a low-visibility environment can be completed, the sound and light pollution of the sampling process to the seabed environment is effectively reduced, the cross contamination between different types of sampling samples is effectively reduced, the classification sampling of samples with different requirements for sample treatment is facilitated, the structure is simple, the sampling operation process is simplified, intelligent sampling operation is facilitated, and the application has strong practicability.

The invention discloses a multi-angle adjusting type high-voltage test support. Relates to the technical field of high-pressure test supports and comprises a vertical pipe, the lower end of the vertical pipe is fixedly connected with a positioning shell, the upper end of the vertical pipe is fixedly connected with a leather sheath, the upper end of the leather sheath is provided with a rotating pipe, the lower end of the vertical pipe is provided with an adsorption assembly, and the upper end of the vertical pipe is provided with an installation positioning assembly and a rotating assembly. Through cooperation of the magnetic block and the rubber disc, the reinforcing device can be conveniently adsorbed on the switch cabinet, so that the test effect is improved; through the cooperation of the connecting rod and the adjusting cylinder, the magnetic block can be conveniently controlled to be adsorbed on the switch cabinet, and the device is prevented from being damaged when dismounted; rotation of a connecting shaft is conveniently controlled through cooperation of a spline shaft and a spline groove, excessive angle adjustment is avoided through cooperation of a steel ball and a sliding groove, and therefore the angle adjustment efficiency is improved; through the cooperation of a rotating block and a torsional spring, the rotation of the hook ring is facilitated, so that the possibility that the lead is broken due to overlarge tension of the lead is avoided; the device improves the adsorption efficiency and prevents the lead from being broken.

The invention discloses a dynamic characteristic testing mechanism for a heavy buffer assembly, and belongs to the field of dynamic characteristic testing of buffers. A heavy buffer assembly dynamic characteristic testing mechanism comprises a bottom plate and further comprises a positioning frame fixedly connected to the bottom plate, a drop hammer is slidably connected into the positioning frame and composed of a plurality of mass blocks and a mounting plate, and the mass blocks are fixedly connected with the mounting plate; the mounting bracket is connected to the bottom of the mounting plate, and a buffer assembly body is connected in the mounting bracket; the collision plate is fixedly connected to the bottom of the mounting bracket, and the bottom of the collision plate is fixedly connected with a collision anvil head; the fixing plate is fixedly connected to the bottom plate, and a collision cushion block is fixedly connected to the fixing plate; the fixing frame is fixedly connected to the top of the positioning frame, a detacher is connected to the fixing frame in a sliding mode, and the detacher can grab and release the drop hammer; the method has remarkable advantages in the aspects of collision poses, test precision improvement, test capability expansion and the like.

The invention discloses a grid-connected test system and method for asynchronous generators with different capacities, and belongs to the field of asynchronous generators, the grid-connected test system comprises a speed regulation dragging source, an asynchronous generator and a magnetizing loop alternating current switch, the input end of the speed regulation dragging source is electrically connected with the input end of the asynchronous generator; the output end of the asynchronous generator is connected with one end of the magnetizing loop alternating current switch and one end of the grid-connected switch KM at the same time, and the other end of the magnetizing loop alternating current switch and the other end of the grid-connected switch KM are both connected with a three-phase alternating current power grid terminal. According to the grid-connected test system and method for the asynchronous generators with different capacities, the test investment is greatly reduced, the economic value is great, and the large test capacity can be achieved. The impulse current amplitude during grid connection of asynchronous generators with different capacities is greatly improved, and the test capability is effectively improved.

The utility model relates to the technical field of tempered glass production, in particular to a tempered glass impact resistance test device which comprises a test frame, a movable motor is installed on the front face of the test frame, an adjusting groove and a test groove are formed in the top of the test frame, and the top of the test frame is movably connected with a sliding frame through the adjusting groove. A lifting frame is fixedly connected to the top of the sliding frame, a lifting motor is installed at the top of the lifting frame, a lifting groove is formed in one side of the sliding frame, a lifting sliding frame is movably connected to the outer side of the sliding frame through the lifting groove, an adjusting frame is fixedly connected to the front face of the lifting sliding frame, and an adjusting motor is installed in the adjusting frame. An adjusting gear is fixedly connected to the driving end of the adjusting motor, a movable groove is formed in one side of the adjusting frame, and an adjusting arm is movably connected to the inner side of the movable groove. According to the utility model, the flexibility of the toughened glass impact resistance test device is improved, so that the test device can adjust the test position according to the detection requirement, thereby improving the test effect.

This utility model relates to a perfluorohexanone fire extinguishing device test platform applied in the field of materials testing technology. It includes a workbench with a cross-shaped receiving groove carved into its upper end. A positioning plate is fixedly connected to the middle of the receiving groove, and adjusting seats are fixedly connected to all four ends of the positioning plate. Adjusting plates are rotatably connected to the adjusting seats. Four adjusting holes are carved into the inner bottom wall of the receiving groove. Four support legs are fixedly connected to the lower end of the workbench, and cylinders are rotatably connected to the support legs. The end of the cylinder furthest from the support leg passes through one of the adjusting holes and is rotatably connected to one of the adjusting plates. A fireproof pad is fixedly connected to the upper ends of the positioning plate and the multiple adjusting plates. Through the coordinated operation of the hinged adjusting plates and the lifting sealing cover, the test space can be flexibly switched between closed, semi-closed, and fully open states, enabling the fire extinguishing test to simulate more diverse actual fire scenarios, thereby effectively improving the test results and obtaining more comprehensive test results.

The utility model discloses a kind of pre-tightening devices for conical roller bearing testing machine shafting installation, the outer part of right side stepped of main shaft is successively sleeved with spacer sleeve one and spacer sleeve two, the outer periphery of spacer sleeve one is sleeved with conical roller bearing one, the outer periphery of spacer sleeve two is sleeved with conical roller bearing two, the outer part of conical roller bearing one is equipped with loading wheel one, the outer part of conical roller bearing two is equipped with loading wheel two;Along the circumferential end surface between loading wheel one and loading wheel two, pre-tightening mechanism is evenly arranged;The pre-tightening device is simple and compact in structure, the trend of loading wheel one and loading wheel two sliding to inside is avoided by the support of pre-tightening mechanism, using screw rod, screw sleeve and pressure sensor, the pre-tightening force between loading wheel one and loading wheel two is accurately adjusted, position state of a pair of conical roller bearing inner and outer rings is adjusted simultaneously, satisfy the test requirement of large-scale various specifications bearing, improve bearing test installation efficiency and the overall test performance of testing machine.

The utility model relates to the field of seed germination detection and discloses a corn seed germination detection test device which comprises test equipment, a plurality of culture cavities are formed in the middle of one side of the test equipment, light supplementing lamps are fixedly installed in the middles of the top ends of the inner walls of the culture cavities, and temperature adjusting devices are symmetrically installed on the edges of the top ends of the inner walls of the culture cavities. A heat dissipation opening is formed in the middle of one end of the inner wall of the culture cavity, a plurality of fixing grooves are formed in the position, close to an opening of the culture cavity, of one side of the test equipment, movable rods are movably installed in the fixing grooves, a connecting plate is welded to one side of each movable rod, and a plurality of supporting frames are welded to the position, corresponding to the culture cavity, of the middle of one side of each connecting plate; the corn seeds are classified and placed in the culture cavities in different environments, so that the effect of conveniently adjusting the growth environment of the corn seeds is achieved, the overall test effect of the corn seeds is improved, the problem that people cannot conveniently adjust the outdoor environment for corn seed growth detection is solved, and the overall detection effect of the corn seeds is improved.

The present invention belongs to the field of mechanism dynamics modeling, and discloses a linear elastic mechanism posture transfer modeling method of a dual-degree-of-freedom dynamic derivative test device. The method is based on an existing dual-degree-of-freedom dynamic derivative test device mechanism, analyzes the mechanism motion chain; solves the rigid body posture transfer matrix of the mechanism according to the motion chain, and obtains the input-output relationship of the mechanism posture; corrects the elastic contraction and bending of the component after being stressed by establishing an elastic unit on the kinematic pair; corrects the elastic amount of the component to the posture transfer model of the mechanism, and obtains the mechanism posture transfer matrix taking into account the elastic deformation; thereby obtaining the linear elastic mechanism posture transfer model of the dual-degree-of-freedom dynamic derivative test device under complex aerodynamic loads; the invention has good description performance for the elastic deformation of the device mechanism caused by time-varying aerodynamic loads, the calculation formula is concise and reliable, and the solution is simple, which not only clarifies the posture transfer characteristics of the linear elastic mechanism, but also meets the timeliness requirements of motion feedback control.

This invention discloses an elevator control method based on duty cycle, comprising the following steps: the elevator initiates random operation according to a set number of runs and a duty cycle; after the elevator completes one running cycle, the actual duty cycle of the elevator is calculated and compared with a set value. If the actual duty cycle is not greater than the set value, the next running cycle is directly initiated; if the actual duty cycle is greater than the set value, the elevator's delay time is calculated and the elevator is controlled to standby for the specified delay time before the next running cycle is initiated. After completing the set number of running cycles according to the above steps, the random operation ends. This invention can adjust the duty cycle of the elevator during random operation, thereby improving the testing effect of the elevator and preventing abnormal wear and tear.

The present application relates to the technical field of experimental aerodynamics, and specifically discloses a support system for large maneuver simulation of buried weapon trajectory capture test, including a missile model, a strain balance placed inside the missile model, and a tail support mechanism and a head support mechanism connected to both ends of the strain balance for different segmented attack angle ranges; the tail support is used for the attack angle range of 0 to 90 degrees, and the head support is used for the attack angle range of 90 degrees to 180 degrees; the tail support mechanism is connected to one end of the strain balance facing the tail of the missile model, and extends from the tail of the missile model; the head support mechanism is connected to one end of the strain balance facing the head of the missile model, and extends from the head of the missile model; an auxiliary abdominal support and an abdominal support + a fake head support are used to connect the strain balance to correct the interference of the head support. The wind tunnel simulation of the 0 to 180 degree flipping of the missile during the over-stall over-shoulder launch is realized by relaying.

The invention relates to the technical field of corrosion resistance test devices, and particularly discloses a fan tower anti-corrosion coating corrosion resistance test device, which comprises a test mechanism arranged in a test machine and used for carrying out a corrosion resistance test on an anti-corrosion coating, and the test mechanism comprises a lower shell and an upper shell, connecting assemblies used for connecting the lower shell and the upper shell are arranged at the end corners between the lower shell and the upper shell, placing assemblies arranged at intervals are arranged in the lower shell, the test plates are annularly distributed, and the lower surfaces and the upper surfaces of the test plates are horizontally aligned, so that corrosive gas is prevented from being blocked, and the test efficiency is improved. According to the test panel, the corrosion-resistant coating is arranged on the upper surface and the lower surface of the test panel, so that corrosive gas is in full contact with the corrosion-resistant coating on the upper surface and the lower surface of the test panel, the condition that the supported surface of the test panel is in poor contact with the corrosive gas during a traditional test is avoided, and the test accuracy is prevented from being influenced by different contact degrees of the corrosion-resistant coating and the corrosive gas, so that the test accuracy is improved.

This invention discloses a large off-axis maneuvering separation CTS test system. The front / rear end of the strain balance is connected to the belly support assembly, which is connected to a six-degree-of-freedom motion mechanism via a rolling motion mechanism. One end of the L-shaped front belly support rod of the belly support assembly is detachably connected to a connecting section, and the connecting section is detachably connected to the rear belly support rod. The other end of the L-shaped front belly support rod extends into the belly of the suspended object model and is connected to the front / rear end of the strain balance. The rear belly support rod is connected to the six-degree-of-freedom motion mechanism via a rolling motion mechanism. By changing and adjusting the connecting section, the CTS test system can be configured as a belly support system without pre-biasing and a belly support system with pre-biasing. The belly support system without pre-biasing is used for CTS tests in the angle-of-attack range of 0° to -60° or -120° to -180°. In the belly support system with pre-biasing, the suspended object model is first set to a pre-biased angle of attack during the CTS test, and the belly support system with pre-biasing is used for CTS tests in the angle-of-attack range of -60° to -120°. This invention provides a test method for capturing the separation trajectory of a suspended object during large off-axis maneuvers from 0 to -180°.

The invention relates to an explosion pressure vessel protection device and an operation method, the protection device comprises five layers of stacked rubber plates, the first layer of rubber plate, the second layer of rubber plate, the third layer of rubber plate and the third layer of rubber plate are filled with steel balls, the diameters of the steel balls are different, the steel balls are divided into large steel balls and small steel balls, the rubber plates of the fourth layer and the fifth layer are pure rubber layers; the protection device is adhered to the inner surface of the explosion pressure vessel through glue, and the pure rubber layer is in contact with and fixed to the inner surface of the explosion pressure vessel; the device is compact and reasonable in structure and convenient to operate, has the characteristics of gradient stiffness and gradient impedance through the design of the protection device and the combined design of the rubber plate and the steel ball, can effectively weaken wall surface reflected waves when a deep-water explosion test is implemented, can effectively carry out a large-dose deep-water explosion test, improves the test capability of a pressure vessel, and is suitable for popularization and application. Technical support can be provided for safely, systematically and deeply developing deepwater explosion test research.