93results about How to "Rich experimental data" patented technology

The invention discloses a testing system for a gas explosion characteristic size effect and relates to a testing system which studies on the gas explosion characteristic size effect. The device comprises a gas distribution device, an ignition device, an explosion device, a data collecting and processing device and a high-speed digital camera, wherein the gas distribution device comprises a combustible gas source, a distribution gas source and a gas distribution tank; the ignition device comprises a igniter, and the igniter is installed on the explosion device; the data collecting and processing device comprises a pressure sensor, a flame propagation rate sensor, a temperature sensor, a signal amplification circuit, a data collecting circuit and a computer, and the pressure sensor, the flame propagation rate sensor and the temperature sensor are installed on a spherical container, a cylindrical container and a pipeline; the explosion device is installed between the gas distribution device and the data collecting and processing device, and the explosion device comprises the spherical container, the cylindrical container and the pipeline; and the high-speed digital camera is used for shooting flames during explosion of the combustible gas inside the containers and the pipeline, and an output end of the high-speed digital camera is connected with the computer.

The invention provides an offshore wind turbine simulation experiment device. The offshore wind turbine simulation experiment device comprises a wind wheel, a power mechanism used for driving the wind wheel to rotate and a transmission mechanism used for transmitting power, wherein the transmission mechanism drives the wind wheel to rotate through a rotating shaft, and the rotating shaft is installed on a base through a supporting seat. The offshore wind turbine simulation experiment device further comprises a vibration excitation mechanism used for simulating generated environmental stress, a data collection mechanism used for collecting experimental data of each component and a data analysis mechanism used for processing the experimental data, wherein the vibration excitation mechanism comprises a horizontal vibration exciter capable of adjusting the contact distance in all directions and a vertical vibration exciter controlled by excitation signal equipment. The offshore wind turbine simulation experiment device is formed by overall decreasing an actual size according to a certain proportion, and the working state of an actual offshore wind turbine can be accurately restored. An experimental environment obtained after the combination of the horizontal vibration exciter and the vertical vibration exciter is more in accord with the complex experimental environment on the sea, and the experimental data obtained after excitation simulation are more in accord with the actual working condition of the offshore wind turbine.

A vacuum cavity chamber capable of rapidly changing gas-homogenizing mode is a cavity comprising a cavity cylinder, a top cover (20), and a low cover. An air inlet nozzle (10) is arranged on the top cover (20), the air inlet nozzle is connected to a first cavity, which is arranged below the air inlet nozzle, to form a first air distribution chamber (160), the outer wall of the first air distribution chamber and the inner wall of the vacuum cavity form a second air distribution chamber (170), the cavity wall of the first air distribution chamber is provided with an air-distribution hole, which is used for communicating the first air distribution chamber and the second air distribution chamber; the cavity wall of the second air distribution chamber is provided with an air outlet, which is connected to a pipeline of a vacuum pump; the first cavity, which forms the first air distribution chamber, and the vacuum cavity form a detachable structure, the vacuum cavity is provided with a plurality of connecting structures, which are used for connecting to various sizes of connecting structures in the first air distribution chamber to construct a detachable structure. The vacuum cavity chamber can detect pressure parameters of inner space of lower cavity and every gas circuit in different air intake modes, researches the influencing rule of air flow parameters on technology during the production process of integrated circuit, and prominently improves the credibility of optimization design of air distribution components of IC equipment cavity.

The invention provides a tire hydroplaning performance dynamic test experiment table and experiment method, and belongs to the field of tire mechanical property test. The experiment table comprises a base table which is provided with a combined framework, a tire contact disc, a camera and data and image acquisition equipment. The combined framework is provided with a motor and a pressurization water container. The pressurization water container is provided with a water film ejector. The tire contact disc is arranged below a tested tire. The camera is arranged exactly below the contact position of the tested tire and the tire contact disc. The data and image acquisition equipment and the camera are connected via a data line. The experiment method comprises performance tests of the tested tire under the normal state and the side inclination and side deflection states and the state of combination of side inclination and side deflection. Various working conditions of the tire in high-speed operation on dry and wet pavements under the vertical or side inclination state can be simulated, and the tire hydroplaning performance dynamic test experiment table and experiment method are used for testing the mechanical property of the tire so that improved experiment data can be provided for research and development and performance analysis of the tire.

The invention relates to an experiment device for pretreatment on samples, and in particular to a functional pipetting head with double purification functions of ultra-filtration and solid extraction, and application of the functional pipetting head in pretreatment and quantitative analysis on a biological sample in the medicine analysis process. The functional pipetting head comprises a pipetting head body, a solid-phase extraction material and a hollow fiber membrane, wherein the hollow fiber membrane is arranged at the sharp end of the pipetting head body; an adhesive is uniformly applied at the cross part of the sharp end of the pipetting head and the hollow fiber membrane; an upper end opening and a lower end opening are formed in the hollow fiber membrane; the upper end opening is sealed; the lower end opening is kept in an opened state; the solid-phase extraction material is arranged inside the pipetting head body. The functional pipetting head is simple, convenient and controllable in manufacturing process, flexible in extraction condition adjustment, scientific and reasonable in method, convenient in obtaining materials, and good in application prospect.

The invention relates to an experimental device and method suitable for researching the ignition combustion process of modified aluminum powder, the device comprises a combustion chamber, an ignitiondevice, a gas conveying device and a detection device, the combustion chamber comprises a cover body arranged on an experimental platform, and the cover body and the experimental platform form the combustion chamber; an ignition window is formed in the upper side surface of the cover body; the ignition device comprises a laser igniter and a laser light outlet, the laser light outlet directly facesthe ignition window, and the laser igniter ignites a sample in the combustion chamber through the laser light outlet; the gas conveying device comprises a high-pressure gas tank and a gas conveying pipe, and the gas conveying pipe conveys gas in the high-pressure gas tank into the combustion chamber; the detection device comprises an optical fiber spectrometer and a temperature acquisition device, the device or the method can react in real time and record the combustion temperature in the experiment process, and the time points of ignition starting and combustion ending of the modified aluminum powder are accurately defined.

The invention discloses a high-grade biosafety protection type air propagation experimental device for pathogens of medium and small animals. The high-grade biosafety protection type air propagation experimental device can be used for carrying out a droplet propagation experiment on the medium and small animals such as rats, mice, martens and rabbits. The high-grade biosafety protection type air propagation experimental device comprises a biosafety cabinet, wherein the biosafety cabinet comprises an exposure cavity for accommodating healthy animals and bacteria-carrying animals; a sealed experimental box is arranged in the exposure cavity; the healthy animals and the bacteria-carrying animals are placed in the experimental box; the biosafety cabinet is provided with an air supply filteringdevice and an air exhaust filtering device; the air supply filtering device is used for supplying air into the exposure cavity; the air exhaust filtering device is used for purifying air in the exposure cavity and exhausting the air; the experimental box comprises an air inlet and an air outlet; the air inlet communicates with the air supply filtering device; and the air outlet communicates withthe air exhaust filtering device. According to the technical key points, the experimental animals are placed in the experimental box and the propagation experiment is not directly carried out in the biosafety cabinet, so that the pollutant diffusion range is reduced and the experiment is safer; and the section of the droplet propagation experimental box is small and an accurate experimental resultis easy to obtain.

The present invention relates to a Chinese medicine preparation for curing woman menopausal syndrome. Said Chinese medicine preparation is made by using the Chinese meterials of curculigo root and epimedium as main material and other four auxiliary materials. Said invention features good therapeutic effect and small side effect. Said invention also provides its preparation method.

The invention discloses a heavy gas leakage diffusion and control study experiment method. The method comprises the steps of executing control technologies via orthogonal experiments to obtain key factors influencing properties and influence degrees; performing fine control experiments according to the obtained key factors to confirm a quantitative relation between the key factors and the influence degrees; performing heavy gas leakage diffusion and control experiments via orthogonal experiments to determine key factors influencing the concentration and distribution of heavy gas cloud under different conditions and influence degrees, tracing the direction of mass energy, disclosing a control mechanism, and seeking an acting relation among the control technologies; and establishing a mathematical model according to the obtained acting relation among the control technologies, key factors and influence degrees, and predicting evaporation rates and down-wind LFL (Lower Flame Limit) longest distance under different environmental conditions, leakage conditions and corresponding control technologies. The method has a very good effect on controlling LNG (Liquefied Natural Gas) leakage harm by studying various control technologies.

The invention discloses a tire-pattern-water-draining-performance experiment table and an experiment method. The tire-pattern-water-draining-performance experiment table comprises a bottom frame, a rotating belt device for simulating the road surface is installed on the bottom frame, a hub is installed on the rotating belt device, a tire is installed on the hub, the hub is driven by a motor to rotate, and the motor is fixed through a hanging arm; a water storage device is also installed on the bottom frame, and a water pipe joint, an air pipe joint and a water discharging pipe are installed on the water storage device; the water pipe joint is connected with a water feeding pipe, the air pipe joint is connected with an air pump, and a water outlet of the water discharging pipe is right opposite to the circumference face of the tire; when the certain water amount exists in the water storage, the output air pressure of the air pump is adjusted for being capable of changing the water spraying amount; a camera is installed on one side of the tire, and a floodlight is installed on the other side opposite to one side.

The invention belongs to the field of laser welding, and particularly discloses a multifunctional laser welding experiment platform. The experimental platform comprises a base, a first moving unit, asecond moving unit and a supporting unit, wherein the first moving unit and the second moving unit are arranged on the left side and the right side of the base respectively, the first moving unit comprises a first moving machine frame and a first transmission mechanism driving the first moving machine frame to move, the second moving unit comprises a second moving machine frame and a second transmission mechanism driving the second moving machine frame to move, one end of a hydraulic lifting rod in the supporting unit is connected with the base, the first moving machine frame or the second moving machine frame, the other end of the hydraulic lifting rod is connected with a combined platform block, and is used for clamping a to-be-machined welding piece or a monitoring device, and the hydraulic lifting rod is used for driving the combined platform block to move up and down. According to the multifunctional laser welding experiment platform, the combined platform block can move up and down and move left and right so that a working board formed by the combined platform block can be flexibly adjusted according to the shape of the welding piece, and a welding experiment of a large-scalethin-wall curved surface welding piece and a welding piece with the length greater than that of the platform is completed.

The invention relates to a calibrating device for an automatic red light running recording system, in particular to a calibrating device and method for the automatic red light running recording system. The device comprises a main testing machine, a display module and an analog trigger. The display module receives instructions sent by the main testing machine and displays corresponding information such as current time, the vehicle speed and positional information, and meanwhile the main testing machine can control a trigger module to send a trigger signal of a ground sense coil to replace the function that a motor vehicle triggers the ground sense coil to trigger the photographing function of the automatic red light running recording system, so that the safety coefficient is high; in the calibrating process, the analog trigger is directly placed above the road surface ground sense coil, the main testing machine sends the trigger instructions to the analog trigger, the trigger module sends the trigger signal to trigger the photographing function of the automatic red light running recording system, and corresponding errors are calculated after measurement is conducted multiple times. The calibrating device is simple in structure, convenient to use, high in adaptability, and capable of guaranteeing detection and recording uniqueness of a red light running recorder.

The invention relates to a structural member temperature rise experiment device and an application method. The application method comprises the steps of confirming measure points, and arranging a thermoelectric couple; lifting a test specimen to a specified height through the device, wherein a fire source device is located under the test specimen, and cooling water is at a circulating state; switching off a valve I and a water pump, switching on a valve II and an oil pump at the same time, and injecting oil fuels into a water oil transfusion box and a funnel-shaped combustor; igniting the oil fuels, starting the valve II and the oil pump at the same time, monitoring a fluid level condition of the oil fuels through a fluid level gauge, and keeping a fluid level of the oil fuels in the funnel-shaped combustor to be constant basically; when an experiment is about to finish, switching off the valve II and the oil pump, switching on the valve I and the water pump at the same time, and injecting water into the water oil transfusion box until the oil fuels are burned out, wherein after the experiment is finished, a temperature data acquisition device is used for storing time-temperature data of each measuring point. The structural member temperature rise experiment device is simple in structure, flexible in component arrangement, high in integral security, simple and convenient to experimentally operate, good in reutilization, high in applicability for the experiment test specimen, and rich in acquired experimental data.

The invention provides an oil-gas trace lubricating oil film formation and flow experiment measuring device, which relates to the technical field of oil film measurement, and comprises an experiment base, a wall surface inclination angle adjusting device, a heating device, an oil-gas supply device, an excitation generating device, an oil film generating device, a bracket device, an oil liquid collecting device and a data acquisition and processing system. According to the oil-gas trace lubricating oil film formation and flow experiment measuring device, the steady-state flowing oil film of a nozzle under different spraying distances and different spraying angles can be obtained, the flowing properties of different oil film temperatures on different inclined vibration wall surfaces are studied, and a CCD camera of high-precision online observation equipment is adopted to observe the form of the flowing oil film, a spectral confocal displacement sensor is adopted to measure the thicknessof the oil film on the experimental wall surface, a reliable experimental device and an advanced measurement method are provided for researching the flow properties of the oil film, the operation issimple, and tedious steps are not needed, so that experimental data is richer, and the accuracy of an experimental result is improved.

The invention belongs to the technical field of a mathematics teaching aid and particularly relates to a probability theory experiment model teaching aid. The teaching aid comprises a casing, a support, a disposing groove, a buffer hole, an ejection groove and an ejection module, wherein the ejection module comprises a first limit unit, a second limit unit, a guide column, a fixing block and a spring, the first limit unit and the second limit unit have the same structures and are symmetric to each other, the first limit unit comprises a pressing column, a swing plate and a rope, one end of thepressing column is hinged with one end of the swing plate, the pressing column moves to push the swing plate to rotate around a rotation shaft, one side of an upper end of the swing plate is providedwith two half-circle projections, one side of a lower end of the swing plate is fixedly connected with the rope, the rope is fixedly connected with a lower end of the guide column after passing through a guide roller, an upper end of the guide column is fixedly connected with a bottom portion of the spring, and the spring is arranged between the two swing plates. The probability theory experimentmodel teaching aid is advantaged in that through setting the ejection module, a batch of coins are ejected, continuous ejection of the coins can be achieved, and experiment efficiency is improved.

The invention discloses an ultrasonic auxiliary filtering membrane damage simulation test device and a test method. An ultrasonic transducer box is vertically positioned at the right side inside a test pool for dividing the inside of the test pool into a left region and a right region; the ultrasonic transducer box can leftwards and rightwards move and is in sealed contact with the test pool; the left side region is vertically provided with a flat membrane; the flat membrane is clamped by a front side clamp plate and a right side clamp plate; a sound intensity probe is arranged at the front wall part of the back side clamp plate; the center part of the ultrasonic transducer box is connected with the left end of a horizontal screw rod in a rolling way; the right end of the screw rod extends out of the test pool through the right side wall of the test pool and is axially connected with a screw nut with teeth in a sleeving way; the screw nut with teeth is connected with a gear through a belt with teeth; the gear is connected with an output shaft of a step motor in a concentric way. On the premise of the fixed ultrasonic output power of each gear, the rotation of the step motor is precisely controlled by combining an MCU (micro control unit) control system; the ultrasonic intensity is changed through changing the distance between an ultrasonic source and the membrane; the effect that the ultrasonic intensity is roughly adjusted at first and is then finely adjusted is achieved; the obtained rest data is more comprehensive.

The invention discloses a simulation device for a loading process and a load transfer mechanism of an equivalent horizontally loaded pile. The simulation device realizes physical simulation and visualteaching of the loading process of the horizontally loaded pile (which can be optionally added with axial force on the pile top), and has certain guiding significance for research of the horizontallyloaded pile. A pressing component and a pressure transmission component are correspondingly connected together to apply initial earth pressure to a model pile arranged in a reaction frame in the direction parallel to the pile top horizontal force application direction. A lateral friction system applies pile side frictional force on the two sides of the model pile parallel to the horizontal forceloading direction. A pile body test system is used for testing changes of pressure and displacement of sections of a model pile body. A pile top horizontal loading system and a pile top vertical loading system are used for applying horizontal cyclic force to the model pile top by stages or pre-applying vertical force to the pile top, and testing horizontal and vertical deformation of the pile topin the process of applying horizontal cyclic force by stages. The device can achieve the simulation of the loading process of the horizontally loaded pile.

The invention discloses a simulation research experimental device and experimental method for spallation failure generated after pressure relief of a gas-containing coal body, which have the benefitsthat the loading and the molding of the granular coal body in the experimental device can be satisfied, that the coal body can bear a higher stress load before pressure relief is ensured, and the experimental operation requirements for sudden pressure relief withdrawal are met; through a current-limiting orifice plate, the control and the adjustment on the pressure drop rate of a pressure relief boundary can be realized, controllable variables of the device are increased, and the analysis and the research on flow field evolution rules and failure characteristics after pressure relief are morefacilitated; a high-strength transparent material is embedded in a tubular cylinder, and a high-speed camera is matched, so that the visual monitoring of the experimental process is realized, and a more intuitive experimental support is provided for spallation failure and propulsion process analysis and occurrence mechanism exploration; pressure sensors are mounted in multiple positions in the flow field direction, so that the real-time dynamic monitoring of pore pressure distribution and variation in the gas flow process can be realized, and a more abundant intuitive data is provided for analysis on the flow field evolution rules.

The invention relates to a method for biopanning the affinity ligand of bromelin. The method comprises the following steps: (1) biopanning; (2) performing directed amplification and enrichment on bacteriophage; (3) testing the titer; (4) performing monoclonal amplification on bacteriophage; (5) performing an enzyme-linked immuno sorbent assay (ELISA); and (6) performing DNA sequencing, wherein the sequence is Ile-XXX-Ser-Pro-XXX-XXX-XXX (LXSPXXX). The preparation method is simple and has low cost, the biological resources of Escherichia coli and bacteriophage are rich; the selected heptapeptide ligand which has affinity to bromelin has higher affinity to bromelin, and can be used to discover the concensus sequence and provide rich experimental data for the interaction of protein in the proteomics; and the heptapeptide ligand can also be used in the separation and purification researches of pineapple protein.

The invention relates to a device and method for testing the fluid-solid coupling effect of a flexible riser under internal and external flow clamping. The device is composed of a riser model, an upstream pipe section dip angle adjusting system, a tension testing module, an internal flow circulating system, a flow field monitoring system, a vibration monitoring system and a data acquisition terminal. The downward inclination angle of the upstream pipe section of the stand pipe model is changed by adjusting the spherical joint lifting rod, the water level height in the circulating water tank and the outflow flow speed are changed by adjusting the water pump frequency of the circulating water tank and the opening degree of a water outlet gate, and the gas-liquid flow speed and the gas-liquid ratio are changed by adjusting the opening degrees of a liquid path valve and a gas path valve. The flow velocity, the pressure, the gas-liquid two-phase flow pattern, the displacement and the wake flow field information are comprehensively obtained through the acoustic Doppler velocimeter, the pressure sensor, the high-speed camera and the particle imaging velocity measurement camera, and the fluid-solid coupling effect mechanism of the flexible riser under the clamping action of the internal flow and the external flow is revealed.

The invention relates to a space structure node fire hazard behavior experiment apparatus and a method thereof. The apparatus comprises a lifting device I, a lifting device II, a loading device, a fire source apparatus, a flue gas retaining device, a pulley and a slideway. A test piece is installed on the loading device. The loading device and the flue gas retaining device on the loading device are vertically moved in the lifting device II. The lifting device II is vertically moved in the lifting device I. The pulley and the fire source apparatus on the pulley move on the slideway. The test piece is provided with temperature and displacement gatherers in advance. An electronic platform scale and a data monitoring storage apparatus are started. A wood crib is lighted and an experiment is started. A temperature, a displacement measuring point and data changes of the electronic platform scale are observed and stored in real time. In the invention, mechanical behavior and temperature rise behavior experiment research under a fire hazard can be performed on various kinds of space structure nodes with different constrained conditions, the apparatus can be simply assembled, operation is safe and simple, abundant data is acquired so as to develop overall collapse destruction risk analysis of a space structure under different scales of latent fire hazards, and great social and economic benefits are possessed.

The invention discloses a modular multifunctional MMC type topology universal experiment platform and a method thereof, and belongs to the technical field of power electronics. The experiment platformis composed of modular hardware. A bridge arm module can be converted into a shaping circuit and a conduction switch circuit; a power supply module comprises an auxiliary power supply module and an AC-DC side power supply port, can be connected with an AC source and a DC source, and can also be connected with a plurality of universal experiment platforms to satisfy the demands of a multi-terminalcooperative control experiment. A control module comprises a master controller and a slave controller. With the platform, various topological experiments of MMC, HMMC, AAMC, HCMC, modular multilevelDC-DC converters and the like can be realized, and the purpose of utilizing one platform to carry out various topological experiments is achieved. The modular multifunctional MMC topology general experiment platform provided by the invention has the advantages of simple operation, multiple functions, strong universality, strong expansibility, high safety and the like, and is beneficial to accelerating the conversion of scientific research achievements.

The invention discloses a durability experiment device for a door lock of a construction hoist, and the device comprises a bottom plate, wherein the upper surface of the bottom plate is movably connected with a lifting device, the top of the lifting device is provided with a lifting plate, and the upper surface of the lifting plate is slidably connected with a side plate. The invention relates to the technical field of lock testing. According to the device, through arrangement of the lifting device, when the device is in use, a driving wheel drives a screw rod to rotate, an X-shaped rod is extruded and deformed under the limitation of an adjusting device; after the device reaches a designated position, the adjusting device is separated from the screw rod, a lifting plate stops moving, and a cam is driven by the screw rod to continue to rotate; the connecting rod is influenced by the cam to drive the lifting plate to move up and down, and the lifting plate is directly influenced by the screw, so the lifting plate can perform high-frequency and low-frequency shaking in the vertical direction at the moment, the shaking range is larger, more experimental data can be acquired, and the problem that the experimental variety and range of a traditional lock are smaller is solved.

The invention discloses a testing device for gas-detonation-driven ultra-high-speed emission. The testing device for gas-detonation-driven ultra-high-speed emission comprises a model and a target chamber measuring section at a position a certain distance away from the model, wherein four observation windows A, B, C and D are sequentially formed in the target chamber measuring section at certain intervals separately; the window A, the window B and the window C are connected with a delay controller separately; a laser system and a camera are arranged at the position of the window D; a projectilepasses through the window A, the window B and the window C of a detection point in sequence, a flight speed is calculated by calculating the flight time between the adjacent detection windows, then the time needing to be delayed is calculated, the delay controller outputs the delay time to control the laser system to flash, and a schlieren image of the projectile passing through the window D is captured through the camera. Higher stability is achieved; higher sensitivity is achieved, and a non-triggering phenomenon is avoided; experimental data is richer, and analysis of experimenters is facilitated; and the time can be corrected manually and accurately.

The invention discloses a bottom mud suspending and sampling device for simulating ship disturbance and belongs to the technical field of water quality detection. The bottom mud suspending and sampling device comprises a supporting device, a connecting part connected with the supporting device, a driving part which is mounted at the bottom of the connecting part and is provided with an output end at the bottom, a propeller mounted at the output end at the bottom of the driving part, and a sampling part; through holes are formed in the middle of the propeller and the middle of the driving part, and the propeller and the driving part are communicated with each other; and the sampling part sequentially penetrates through the propeller and the driving part to be connected with the connecting part. According to the bottom mud suspending and sampling device for simulating ship disturbance, the situation that a ship is located at different river environments and sails at different allocated speeds is simulated, so that the effect of the suspending of bottom mud by the propeller can be observed, so that the condition of the pollution of the bottom mud can be embodied indirectly;data analysis and exploration are carried out from the radial and depth distances of the ship propeller, so that more possibilities are added for experimental results, and experimental data are more comprehensive.

The invention discloses a shoe sole abrasive resistance detection device and method based on human body action simulation, and relates to the field of detection devices.The shoe sole abrasive resistance detection device comprises a fixed base, a workbench is hinged to the top of the fixed base, a mounting plate is slidably connected to the surface of the workbench, and a pushing air cylinder is arranged on the surface of one end of the workbench; an angle adjusting device is arranged between the fixed base and the workbench, supporting plates are welded to the two side walls of the fixed base, a top plate is fixedly connected to the top ends of the supporting plates, a hydraulic cylinder is arranged on the surface of the top plate, the movable end of the hydraulic cylinder penetrates through the top plate and extends downwards, and the movable end of the hydraulic cylinder is fixedly connected with a lifting table; and the two sets of pressing plates and clamping plates are arranged and located at the sole and the heel respectively, the sole at the heel can be lifted, only the sole is clamped by the pressing plates, the anti-skid performance of the sole can be simulated when the sole is attached to the ground when a person walks, and experimental data are more accurate.

The invention discloses a fatigue performance testing method for 3D printing forming parts. The method comprises the following steps: 1, employing the same 3D printing part to print 35 3D printing forming parts with the same model, and enabling every seven 3D printing forming parts to form a group for label storage; 2, carrying out a mechanical property test in a temperature control box, adjustingthe temperature of the temperature control box to 0 DEG C, carrying out a damage stress performance test on the first 3D printing forming part of the first group by using a press machine, and recording after obtaining result data; and 3, the second 3D printing forming part in the first set is placed in a tensile machine in a temperature control box, the two clamps are used for opposite pulling, opposite pulling tensile strength data are obtained, the angle between the clamps and the clamping position of the printing part are changed, and multi-angle tensile strength data are recorded. The experimental data obtained by the method is comprehensive, a user can conveniently use the experimental data as a reference for selective application when a 3D printing forming part is put into use in the later period, and the auxiliary significance is high.

The invention provides an in-situ tensile experiment device for a scanning electron microscope. The in-situ tensile experiment device comprises a base; vertical lifting rods are fixedly installed at the four corners of the top face of the base respectively, the top ends of the four lifting rods are fixedly connected through a square block, and the square block and the base are mutually parallel; guiding grooves are formed in the front end and the back end of the top face of the base respectively, two guiding blocks are arranged in each guiding groove in a matched mode, and every two guiding blocks which are located on the same side of the base are fixedly connected through a long strip block; and the two long strip blocks are mutually parallel, long strip-shaped grooves are formed in the opposite faces of the two long strip blocks respectively, three movable blocks are arranged in each groove in a matched mode, and the three movable blocks located in the same groove are arranged sequentially from front to back. A fourth nut and a ball bearing are fixedly connected through a connecting rod, a second bevel gear is fixedly connected with the inner ring of the ball bearing, then the second bevel gear can be driven to move when the fourth nut moves, and therefore a moving block can do horizontal reciprocating motion.

The invention relates to an integrity testing device for a construction film material under the action of force and thermal radiation and a using method. The method comprises the steps that a single-shaft or double-shaft film material test piece is laid on two or four groups of rib sliding blocks; the two or four drooping ends of the test piece separately and sequentially bypass triangular prism surfaces of two or four sets of self-locking clamps; the lower edges of two or four front vertical suspended beams press the surface of the test piece; the rest ends of the test piece are upturned; thetwo ends of two or four sets of front vertical suspended beams respectively penetrate the lifting eyes I of two or four lifting hooks and are embedded into two or four pairs of vertical groove IV andvertical groove V of a supporting device; mass blocks with the same weight are laid on two or four supporting plates; a lifting device, on which a thermal radiation source and video equipment are fixed, is fixed on the ground; the thermal radiation source and the video equipment are turned on; when the single-shaft or double-shaft film material test piece is broken, a test is over. The device canperform testing research on the film material test piece with different thermal radiation intensities and at different film surface stress ratio states, so as to obtain data, such as failure development processes, failure modes and integrity duration subjected to fire, of the film material test piece.

The invention relates to an experimental device and method for simulating a formation and evolution process of an oil reservoir. The experimental device for simulating the formation and evolution process of the oil reservoir comprises an experimental cabinet body, a placement cabinet body and a control system, wherein three movable test tables are arranged in the test cabinet side by side, each square table is provided with a geologic structure simulation box, glass observation windows are arranged at the positions, corresponding to the three geologic structure simulation boxes, of the test cabinet, three three-way combination valves are arranged on a front panel of the test cabinet, and each three-way combination valve is connected with a corresponding geological structure simulation box; a bottom plate of the geologic structure simulation box is formed by splicing two aluminum alloy plates side by side, two electric push rods are fixed to the outer sides of the two aluminum alloy plates, the electric push rods are slidably connected with the sliding ways, and a geologic model is laid on the bottom plate; the placement cabinet body is arranged in front of the experiment cabinet body, and a high-pressure liquid injection system and a control system are arranged in the placement cabinet body. According to the method, the influence of later-stage structural activity and multi-stage charging on oil and gas accumulation is effectively reflected.