13835 results about "Test rig" patented technology

The invention discloses a vibration table test device and a test method for seismic dynamic response of a fault-crossing mountain tunnel. The test device comprises an earthquake simulation vibration table, a laminated shear model box, surrounding rock, a fault fracture zone, a tunnel model and a monitoring and measuring system. Wherein the earthquake simulation vibration table inputs earthquake waves and provides earthquake power; the bottom of the laminated shear model box is fixed on the earthquake simulation vibration table, and the laminated shear model box is filled with surrounding rocks and fault fracture zones; the fault dip angle is 90 degrees, and left and right surrounding rock elevations are inconsistent; the tunnel model comprises a non-shock-absorption layer and a shock-absorption layer which are buried in the surrounding rock in the model box in parallel and perpendicularly intersect with a fault fracture zone. The monitoring and measuring system is used for measuring tunnel acceleration and strain, surrounding rock acceleration, fault acceleration and the like in the seismic oscillation process. The test device can simulate the dynamic response process of the fault-crossing mountain tunnel under the action of an earthquake, and time evolution and spatial distribution characteristics of tunnel earthquake response are determined.

The invention is suitable for the technical field of reliability test of numerical control machine tools, and provides a ball screw pair comprehensive performance test device and method for simulating real working conditions. The device comprises a ball screw pair, a test device base, a rolling guide rail pair, a grating ruler integrated installation unit, two sets of support driving units, a loading workbench, an axial force simulation loading unit, a tested workbench and a comprehensive performance detection unit. The two sets of supporting and driving units are distributed on the test device base in a staggered alignment manner and are respectively connected with the loading workbench and the tested workbench, and synchronous driving of the loading workbench and the tested workbench is realized through synchronous control; and the axial force simulation loading unit realizes static and dynamic simulation loading of the axial force through electro-hydraulic servo control. According to the invention, a test device and technical support are provided for carrying out the reliable comprehensive performance bench test of the ball screw pair, and the problems of the ball screw pair in the aspects of high-frequency dynamic load simulation loading, comprehensive performance test and motion tracking loading are solved.

The invention relates to the field of glass testing, and discloses a glass plate cold bending test device, which comprises a mounting platform, a cold bending test device, a cold bending test device, a cold bending test device, a cold bending test device and a cold bending test device, and is characterized in that the mounting platform comprises a loading position and at least two diagonally arranged clamping positions; the testing mechanism is arranged at the loading position, a bearing piece of the testing mechanism is used for supporting the plate corner of the to-be-tested glass plate in the descending process of the bearing piece, and a loading assembly is used for applying pressure to the plate corner of the to-be-tested glass plate when the bearing piece is in a non-pressure state; the clamping mechanism is arranged at the clamping position and used for clamping the plate corner of the glass plate to be detected. The problem that the influence of dead weight on glass cold roll forming is ignored in a glass plate test is solved. And by reducing the height of the bearing piece, the deflection of the plate corner is increased under the action of gravity until the bearing piece cannot detect the pressure of the plate corner. The plate corner is subjected to a pressurization test through the loading assembly to complete a plate corner bending test, so that the performance evaluation of the cold-bent glass is more accurate, and the use risk after the cold-bent glass is formed is reduced.

The invention provides a dynamic-fluid coupling effect induced earthquake simulation test device and a test method. The test device comprises a dynamic true triaxial electromagnetic Hopkinson bar system, a sealed loading system and a data monitoring and control system, wherein the dynamic true triaxial electromagnetic Hopkinson bar system is used for acting on a simulated fault sample and simulating a true triaxial stress state and multi-axis and multi-direction power disturbance of an underground fault; the sealed loading system is used for pressurizing and injecting fluid into the simulated fault sample and sealing the fluid under dynamic and static combined loading of the simulated fault sample; the sealed loading system is matched with the dynamic true triaxial electromagnetic Hopkinson bar system to load dynamic disturbance to a simulated fault sample containing fluid, simulate a fault stress state in an underground engineering project involving fluid activity and perform a dynamic-fluid coupling effect induced earthquake simulation test. According to the invention, the true triaxial stress state and the multi-axis and multi-direction power disturbance of the underground fluid-containing fault can be simulated.

The utility model relates to the technical field of model tests, and discloses a landslide damage simulation test device which comprises a model test box, a rainfall frame, a hydraulic assembly, a plurality of spraying assemblies, a water tank assembly and a constant temperature system. The angle of the landslide model box can be adjusted through the hydraulic machine so as to change the slope of a model test landslide soil body; the multiple spraying assemblies are arranged at the top of the rainfall frame and located over the model test box, the output ends of the spraying assemblies aim at a test soil body in the model test box, the influence of rainfall on landslide slippage is simulated by adjusting the spraying size, and the constant temperature system is arranged at the top of the model test box and used for regulating and controlling the temperature of the test soil body. The constant temperature system is used for measuring the influence of the dry-wet cycle effect on the landslide soil body.

The invention belongs to the technical field of wind tunnel tests, and particularly relates to a precession simulation device for a spiral flutter wind tunnel test. According to the invention, the design problem of the rotor craft spiral flutter wind tunnel test device is solved, and the key influence parameters and influence rules of the spiral flutter of the aircraft are researched by designing the precession motion simulation device of the rotor craft. Rotation of the rotor wings can be realized in the wind tunnel, and the rotating speed of the rotor wings is adjusted through the motor. Meanwhile, pitching and deflection modal decoupling of the rotating shaft of the rotating system is achieved, and pitching and deflection modal frequencies are independently adjustable; meanwhile, the axis of the pitch axis and the axis of the yaw axis coincide, so that pitching and yaw freedom degree coupling precession motion can be achieved under the effect of gyroscopic moment. Meanwhile, nacelle rotating mass rotational inertia, nacelle weight and mass center position adjustment can be achieved; and finally, the rotating speed of the rotating mass such as the rotor wing and the propeller hub can be adjusted through a speed adjusting motor, matching of the rotating speed and the incoming flow speed is guaranteed, and the spiral flutter state is achieved.

The invention belongs to the technical field of robot testing, and discloses a mobile robot slope dynamic and static stability test system and method, and the system comprises a ramp test device which is used for providing a horizontal slope and a slope surface which is connected with the horizontal slope and can adjust different slope values; the motion capture system is used for monitoring the motion state of the mobile robot on the ramp test device in real time; and the control system is electrically connected with the ramp test device and the motion capture system, and is used for controlling the slope value of the ramp test device in real time, receiving the detection result of the motion capture system, and judging whether to adjust and control the next slope value according to the detection result. According to the invention, the climbing and slope holding capabilities and the stability of the mobile robot can be tested.

The invention discloses a reciprocating sealing test device of an aviation hydraulic actuator and a verification method, and belongs to the field of aviation airborne equipment test and verification. Comprising an end cover, a nut, an outer cylinder, an inner hexagon screw, a pipe joint, a limiting block, a partition baffle, a piston rod, a lining and the like, and all the parts are assembled to form the complete component-level sealing test device. Performing sealing element inspection before and after an experiment on the to-be-tested sealing element, and inspecting the quality of the movable surface of the test device; then the sealing element is assembled on a test device, and installation technology adaptability inspection is carried out; the test device is installed on a test bench, and sealing characteristic tests including a running-in test, a normal-temperature, high-temperature and low-temperature performance test, a low-pressure static test and a high-pressure static test are carried out; performing environment adaptability tests including low-temperature storage, low-temperature work, high-temperature storage, high-temperature work and temperature shock; sealing life durability tests including normal-temperature, high-temperature and low-temperature motion durability tests are completed; and performing decomposition inspection after the test is finished.

The invention discloses a slope stability test device and test method, and relates to the technical field of slope test.The slope stability test device comprises a test frame and further comprises a test adjusting device.A shielding frame is slidably installed on the inner wall of the test frame, a displacement sensor is fixedly installed on the front side of the shielding frame, and a slope model is arranged at the bottom of the inner wall of the test frame; a placing plate is fixedly installed on the inner wall of the test frame, the test adjusting device comprises hydraulic equipment, an L-shaped frame, an adjusting rod, a pressing plate, an adjusting gear, a U-shaped rod, a limiting frame and an elastic telescopic rod, and the pressing plate moves to make contact with the slope model and conducts a stability test on the slope model; meanwhile, the displacement sensor works to detect and record the displacement condition of the slope model in real time, external force mistaken touch is prevented through the elastic telescopic rod, it can be ensured that the angle of the pressing plate is kept stable in the test process, and therefore the real stability of the slope model is correctly reflected.

The invention relates to an aircraft nose landing gear taxiing and shimmy simulation test bed. The test bed comprises a test device main body structure, a power execution control mechanism, a vibration excitation mechanism and a vibration detection system. The method solves the problems of determination, contrast evaluation and detection analysis of the shimmy influence factors of the nose landing gear of the aircraft. The torsion steering engine is added, so that the turning condition of a ground plane can be simulated. The height-adjustable supporting cross beam can adapt to undercarriages of different sizes only by replacing the undercarriage clamp instead of replacing the whole frame, so that the use cost is greatly reduced. And more accurate data are provided for the design of the nose landing gear of the aircraft.

A fixed-wing unmanned aerial vehicle large-attack-angle longitudinal aerodynamic characteristic test device and a test method relate to the technical field of aircraft aerodynamic characteristic test, and mainly comprise a wind tunnel simulation device, an unmanned aerial vehicle bearing and motion simulation device, a sensor arranged on an unmanned aerial vehicle or a model, a data acquisition system and the like. The simulation module is used for simulating longitudinal motion states and attitudes of the unmanned aerial vehicle in various pneumatic environments; the device is used for experiments, nonlinear longitudinal aerodynamic characteristics of the unmanned aerial vehicle under various attack angles are obtained, a phase diagram reflecting the attack angle-pitch angle speed change relation of the system state is obtained, a balance point under the normal working condition and the limit working condition is determined, and a basis is provided for flight control of the unmanned aerial vehicle under the large attack angle limit working condition.

The invention relates to the technical field of grouting simulation tests, in particular to a test device and method for simulating dynamic water condition composite stratum tunnel grouting, and the test device for simulating dynamic water condition composite stratum tunnel grouting comprises a model box, a water storage tank, a single-ring duct piece, a dynamic water simulation system, a grouting system and a data acquisition and analysis system; the model box is filled with a permeable medium, the single-ring duct piece is arranged in the permeable medium, the grouting system is connected with the single-ring duct piece, and grouting slurry is colored; the dynamic water simulation system comprises a water supply system and a drainage system, the data acquisition and analysis system is arranged on one side of the model box and used for acquiring and analyzing the state of grouting slurry in the model box, and the problem that grouting and seepage conditions of different seepage fields cannot be visually observed and simulated in a traditional grouting test is solved. The seepage field grouting simulation test is simplified, and the seepage field grouting effect in the pore stratum cannot be effectively researched.

The invention belongs to the technical field of fluid tests, and relates to a water tunnel test device and a test method. The device comprises two water cabins and a water tunnel test section, air bags are arranged in inner cavities of the two water bins, the two air bags are communicated with an external compressed air source through breather pipes respectively, water cavities are formed between the air bags and the inner walls of the water bins where the air bags are located, and the water cavities are filled with water. A water inlet of the water tunnel test section is respectively communicated with the water cavities of the two water cabins through a water inlet three-way valve, and a water outlet of the water tunnel test section is respectively communicated with the water cavities of the two water cabins through a water outlet three-way valve. According to the invention, through inflation and deflation operation of the two air bags and regulation and control of working states of the water inlet three-way valve and the water outlet three-way valve, water circularly flows between the two water cabins and continuously flows through a water tunnel test section, so that closed cycle operation of a water tunnel test is realized through an air pressure loading mode; the problems that due to the fact that an existing closed circulating water tunnel system is directly pressurized through a pump, water flow direction conversion is complex, test stability is poor, and pressure change is difficult to accurately control are solved.

The utility model relates to an automobile sealing strip fatigue resistance test device, the test device is used for carrying out fatigue resistance test on a sealing strip on an automobile window assembly, and the automobile sealing strip fatigue resistance test device comprises a test bench; the fixing mechanism is arranged on the test board and is used for fixing the vehicle window assembly; the pressing and releasing mechanism comprises a driving assembly and a profiling part connected with the driving assembly, the driving assembly can drive the profiling part to repeatedly press the sealing strip, and the profiling part is provided with a profiling face matched with the surface of the sealing strip. According to the fatigue resistance test device for the automobile sealing strip, through cooperative arrangement of the test bench, the fixing mechanism and the pressing and releasing mechanism, the fatigue resistance test can be performed on the sealing strip on the automobile window assembly in a low-cost and high-efficiency manner, and the fatigue resistance test device has relatively good universality and compatibility.

The utility model discloses a tensile test device for detecting the toughness and the tensity of a film, and belongs to the field of film detection devices. A tensile test device for detecting toughness and tensity of a film comprises a base, an I-shaped frame, a mounting frame and scale marks are sequentially fixed to the upper side of the base, and a bidirectional driving mechanism is fixed to one end of the mounting frame; according to the utility model, through the cooperation of the bidirectional driving mechanism, the clamping assembly, the reciprocating driving assembly, the pressing roller and the scale marks, the comprehensive detection of the toughness of different parts of the film is realized, the bidirectional driving mechanism can control the opening degree of the film, and the reciprocating driving assembly enables the pressing roller to carry out pressing detection at different positions of the upper surface of the film; in addition, due to the arrangement of the scale marks, a detection part can be accurately positioned conveniently, the tension and pressure sensor is combined to monitor the stress condition of the thin film, the toughness and the tension degree of the thin film can be detected, and diversity of the detection process is achieved.

The invention belongs to the field of rock-soil mechanical test equipment, and particularly discloses a shear slip test device for testing mechanical properties of high-temperature fractured rock mass, which comprises a shear test platform, a shear test box, a sound wave emission system, and a temperature control module and a circulating cooling system integrated in the shear test box. The shear test platform realizes independent control of normal force and shear force through a first loading block and a second loading block; the temperature control module and the circulating cooling system can simulate a high-temperature environment and perform a cold and hot cycle test; the acoustic emission system is used for monitoring acoustic emission signals in the rock sample in real time. The device can accurately simulate a high-temperature and cold-hot cycle environment, has high-precision mechanical loading capacity and a multi-parameter monitoring function, provides an effective experimental means for researching the mechanical property and damage mechanism of a high-temperature fractured rock mass, and can be widely applied to the research fields of deep geothermal resource development and enhanced geothermal systems.

The invention discloses a quality inspection test device for an automobile casting material, and belongs to the technical field of test devices, the quality inspection test device comprises a conveying disc playing a conveying role and a driving motor which is arranged below the conveying disc and plays an intermittent driving role on the conveying disc, the top end of the conveying disc is provided with a plurality of rotary mounting ports which are distributed circumferentially, and the rotary mounting ports are connected with the driving motor. An annular mounting frame used for placing a brake disc to be tested is rotatably arranged in the rotary mounting port, and a clamping mechanism used for clamping the brake disc to be tested is arranged on the inner side of the annular mounting frame. Through the arrangement of the detection needle, the heating ring, the positive electrode power connection sliding rail and the negative electrode power connection sliding rail, the high temperature generated by friction in the actual use process of the brake disc material can be simulated, and the detection needle is used for detecting whether deformation or cracks exist on the surface of the heated brake disc material to be detected or not; the influence of high temperature on the deformation resistance and cracking resistance of the brake disc material is automatically explored, and it is ensured that the brake disc material after high-temperature operation does not deform or crack.

The utility model discloses a plastic pipe drop hammer impact test device and equipment. The plastic pipe drop hammer impact test device comprises a base; the guide part is arranged on the base and is provided with a vertical cavity; the test mechanism comprises a test board part, an impact part and a driving part, the test board part is arranged on the base and corresponds to the cavity, the driving part comprises a pulley assembly, a traction rope and a driving part, the pulley assembly is arranged on the guide part, and one end of the traction rope is connected with the driving part; the impact part comprises a release electromagnet assembly and an impact head assembly, the release electromagnet assembly is connected with the traction rope, the release electromagnet assembly is used for arranging the impact head assembly, and the release electromagnet assembly is suitable for adsorbing or loosening the impact head assembly. A test sample is loaded through the test board part, the pulley assembly ensures that the impact part moves vertically, the driving part controls the impact part to rise to the to-be-tested height, and the electromagnet assembly is controlled to be released, so that the impact head assembly freely falls, and the device is simple in structure, easy and convenient to operate and low in cost.

The invention discloses an underwater explosion impact equivalent loading test device and method, and belongs to the technical field of dynamic impact test mechanics, the underwater explosion impact equivalent loading test device comprises a light gas gun system, a combined water shock tube system and a measurement control system, the light gas gun system is a shock wave load loading system of a water shock tube, and the combined water shock tube system is connected with the measurement control system. Comprising a piston, a working table support, a steel pipe, a pressure sensor, a connecting flange, a connecting assembly, a transparent pipe, a double-thread screw assembly, a front panel, a test sample, a rear panel, a working table fixing support and a working table top, and a measurement control system comprises a light gas gun pressurization and emission controller, a high-speed acquisition instrument, a first high-speed camera and a second high-speed camera. The underwater explosion impact equivalent loading test device and the underwater explosion impact equivalent loading test method are compact in structure, convenient to use and suitable for researching underwater dynamic impact protection performance and fluid-solid coupling mechanism of materials or structures in laboratories.

The invention belongs to the technical field of wind tunnel tests, and discloses a test device and a test method for measuring aerodynamic characteristics of an aircraft by simulating air inlet flow. A ventilation model of the test device is installed on the upper portion of a tail boom support through a balance corrugated pipe and a ventilation supporting rod, a variable sideslip angle device is installed between the rear section of the tail boom support and an installation platform, a flowmeter, an ejector and other measuring devices are fixed to the installation platform, and the rear end of the installation platform is fixedly connected with a bent knife mechanism of a wind tunnel. The sideslip angle changing device changes the sideslip angle of the ventilation model. The test method comprises the steps of wind tunnel test preparation; performing a wind tunnel test; and processing test data. According to the invention, a supporting mode of'tail boom + lifting 'is adopted, so that perfect combination of a test system and a supporting system is realized; the hollow telescopic sleeve with the spherical hinges at the two ends is adopted, compensation of airflow pipeline length and angle changes caused by sideslip angle deflection is achieved, a solution is provided for accurate simulation of large continuous high-speed wind tunnel air inlet flow, and engineering practical value is achieved.

The invention discloses a three-dimensional fracture network rock mass dynamic water environment thermal-fluid-solid coupling grouting test device and a corresponding test method. The device comprises a grouting system and a high-temperature flowing water simulation system, and the grouting system is used for conducting simulation grouting on the three-dimensional fracture network rock mass model in the grouting test process; and the high-temperature dynamic water simulation system is used for providing a dynamic water source with a set temperature for the grouting test. The high-temperature flowing water simulation system comprises a constant-temperature water source (4), a flowing water pipe (5) and an electric heating wire (22). The device and the method can be used for high-temperature dynamic water grouting and triaxial loading tests, so that the three-dimensional fracture network rock mass model is in a high-temperature dynamic water and triaxial compression environment, and therefore, a heat-fluid-solid multi-field coupling environment in an actual underground rock mass can be effectively simulated.

The invention discloses a submarine floating icebreaking load measurement test device and a submarine floating icebreaking load measurement test method. The submarine floating icebreaking load measurement test device comprises a test box, an ice block clamp, a moving assembly, a lifting assembly, an angle adjusting assembly and an observation assembly. Wherein the ice block clamp, the moving assembly, the lifting assembly and the angle adjusting assembly are all arranged in the test box, the ice block clamp is used for fixing ice blocks, the moving assembly is used for driving the submarine model to move in the horizontal direction, the lifting assembly is used for driving the submarine model to move in the vertical direction, and the angle adjusting assembly is used for adjusting the pitch angle of the submarine model. The observation assembly is used for recording the stress condition and the water outlet posture of the submarine model. According to the test device, the position and posture of the submarine model can be adjusted through the moving assembly, the lifting assembly and the angle adjusting assembly, so that different icebreaking conditions are simulated; and the icebreaking process of the submarine model is recorded through a force sensor and a camera. The invention relates to the field of submarine icebreaking test research.

The invention relates to the technical field of underground engineering groove wall stability physical simulation, and discloses a model test device and method for stratum excavation and grouting reinforcement, and the model test device comprises a grooving construction module, a grouting support module and a dynamic monitoring module. The device adopts a pressing plate method to simulate a grooving excavation process, so that the device conforms to an actual excavation working condition from top to bottom; a servo motor drives a power lead screw to drive a model groove to move downwards, so that a free face is formed in a sand layer, and the actual excavation working condition is simulated; a water tank for storing fresh slurry is pressurized by using an air compressor, so that the slurry overflows from the hollow model groove section, and the permeation and invasion process of the slurry is simulated; and a water and soil pressure gauge and a matched acquisition device are arranged in the sand layer, and a soil displacement field is obtained by utilizing a particle image velocity measurement system, so that the visualization of the whole process of excavation-grouting-invasion is realized. It is ensured that simulation results are highly matched with actual working conditions, and accuracy and reliability are improved.

The invention discloses a fracturing sealing device and method based on injecting supercritical CO2 into basalt. The fracturing and sealing device comprises: a test main body module comprising a basalt sample; the injection module is used for injecting required gas, liquid or gas-liquid mixture into the test main body module; the pressure loading module is communicated with the test main body and is used for applying axial pressure and / or confining pressure to the test main body module; wherein the injection module and the pressure loading module are configured to realize the fracturing of the basalt sample, the radial permeability of the fractured basalt sample and the storage of CO2 by the fractured basalt sample. The use limitation that a traditional indoor test device is single in function can be overcome, and comprehensive understanding of the fracturing sealing process under the complex stratum environment condition can be achieved; and the formation rule of the crack net caused by basalt can be analyzed conveniently, the permeability of the crack net can be evaluated, and the feasibility and effectiveness of mineralizing and sealing CO2 by basalt in different injection modes can be compared.

The present invention relates to the technical field of fatigue testing of rubber elastic elements, specifically to a large-tonnage radial-axial bidirectional fatigue loading test device for elastic support joints, comprising a radial loading component, an axial loading component, a fixed component and a loading platform, wherein the fixed component is placed above the loading platform, the radial loading component applies a radial loading force to the elastic support joint in the fixed component from the bottom of the loading platform upward, the axial loading component applies an axial loading force perpendicular to the radial loading force to the elastic support joint in the fixed component from the upper side of the loading platform, and the power output rod of the axial loading component and the radial loading component are in a linkage state of the same upper and lower. The present invention can perform fatigue loading tests on elastic support joints in radial and axial directions at the same time, with a large loading load, and can meet the large-tonnage loading requirements of fan equipment.

The invention discloses a device and a method for a low-speed wind tunnel gust or flutter half-mode test, belongs to the field of wind tunnel tests, and aims to solve the problems that an existing gust or flutter half-mode test device cannot realize complete release of heaving and pitching degrees of freedom and is difficult to share the two tests. The device comprises an overall frame, the overall frame is installed in a wind tunnel test section, two sliding rails are vertically arranged on the front end face of the overall frame, two sliding block sets are arranged on the left side and the right side of the rear end face of a tackle, the two sliding block sets are in sliding fit with the two sliding rails in a one-to-one correspondence mode, two spring seats are arranged at the top end of the overall frame, and horizontal shafts are arranged on the spring seats. The inner ring ends of the two clockwork springs are connected with the horizontal shafts of the two spring seats in a one-to-one correspondence manner, the outer ring ends of the two clockwork springs respectively droop to be connected with the pulley, and the model mounting seat is cylindrical and is in running fit with the pulley; the device can be used for a gust load retarding test and a body degree of freedom flutter test, and can be shared by the two tests.

The invention belongs to the technical field of underwater vehicle testing, and particularly relates to a testing device for simulating an actual ocean service environment and a using method of the testing device. The experimental device comprises a box body, a bottom plate detachably installed on the box body, a plurality of simulation areas arranged on the bottom plate or the side wall of the box body, a wave making mechanism and a water depth pressure simulation mechanism installed on the side wall of the box body, a sea wind simulation mechanism installed on the box body, a first illumination module and a plurality of first visual capture modules. The wave making mechanism, the water depth pressure simulation mechanism and the sea wind simulation mechanism are arranged to form an ocean service environment, a plurality of simulation areas are arranged on the bottom plate or the side wall of the box body, and the height of the multiple three-dimensional lifting columns relative to the polygonal sinking surface is adjusted through the corresponding telescopic driving mechanisms to simulate the ocean seabed landform. Different working environments are provided for a test object, and the problems that in the prior art, due to the fact that the difference between the simulated marine environment and the actual environment is large, appearance optimization design cannot be carried out, and service performance cannot be comprehensively evaluated are solved.

The invention provides a reproduction lifting and diving test device, and belongs to the technical field of mechanical control. The problems that a guide rail needs to bear large lateral force for achieving the working conditions of large load mass, large reproduction acceleration and long stroke of existing equipment, and particularly when the stroke is large, the lateral force enables the guide rail to deform greatly are solved. The device comprises lifting actuator assemblies, a cross beam assembly, a motion platform, stand columns, a base and a moment balance assembly, the stand columns are installed at the four corners of the lower end face of the cross beam assembly, the bottoms of the stand columns are connected with the base, the motion platform is installed on the stand columns in a sliding mode, and the four lifting actuator assemblies penetrate through the cross beam assembly to be connected with the motion platform; a moment balance assembly is installed at the joint of the motion platform and the stand column, and an energy accumulator assembly used for supplying energy to the lifting actuator assembly is installed on the cross beam assembly. The device is mainly used for testing the working conditions of large load mass, large reproduction acceleration and long stroke.

The invention discloses a compressed air energy storage indoor simulation test device and method, and relates to the technical field of compressed air energy storage. The device comprises a triaxial pressure servo control system, a temperature control system, an air pressure control system and a multi-parameter measurement system, and can cooperatively simulate the real working environment of the underground gas storage. The triaxial system comprises a high-pressure tank body and a loading device and is used for applying triaxial stress to the rock sample; the temperature control system adjusts the temperature of the rock sample; the air pressure system comprises a high-pressure destructive experiment mode and a low-pressure precise simulation mode, the high-pressure destructive experiment mode is used for carrying out a high-pressure test and verifying the critical burial depth under different geological conditions, and the low-pressure precise simulation mode is used for researching the mechanical behavior, the damage mechanism and the leakage mechanism of the gas storage by regulating and controlling the air pressure and the flow and simulating the inflation and deflation process; the multi-parameter measurement system collects rock sample physical response data in real time. Through cooperative work of multiple systems, response characteristics of multiple support sealing systems under different conditions can be accurately reflected, and the system has remarkable simulation precision, experiment efficiency and cost advantages.

The invention discloses a truck hub maintenance-free bearing all-condition simulation testing machine, which comprises a tool table, a servo driving system, a servo hydraulic system and a temperature control simulation system, and is characterized in that the tool table is provided with a tool seat and a main shaft movably arranged on the tool seat, and a to-be-tested bearing is detachably connected between the main shaft and the tool seat; the servo driving system is in linkage fit with the main shaft to simulate the actual operation condition of the bearing, the tool table is provided with a special-shaped load plate and a mandrel, the special-shaped load plate is in linkage fit with the mandrel, and the mandrel is inserted into an inner ring shaft hole of the bearing to be tested and is detachably connected with the inner ring shaft hole of the bearing to be tested. The servo driving system is in linkage cooperation with the special-shaped load plate to simulate the load working condition of the bearing during actual operation, and the temperature control simulation system is in linkage cooperation with the bearing to be tested to simulate the actual temperature working condition of the bearing. According to the invention, the problem that a test device for carrying out a multi-working-condition simulation test on a truck hub bearing is lacked in the prior art is solved.