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

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.

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 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 tire pattern drainage test platform and an experimental method, comprising a bottom frame, on which a rotary belt device for simulating the road surface is installed, and a wheel hub is installed above the rotary belt device, so that Tires are installed on the hub, and the hub is driven to rotate by a motor, and the motor is fixed by a cantilever; a water reservoir is also installed on the chassis, and the water reservoir The water pipe interface, the air pipe interface and the water outlet pipe are installed; the water pipe interface is connected to the water inlet pipe, the air pipe interface is connected to the air pump, and the water outlet of the water outlet pipe is directly facing the circumferential surface of the tire; when the water volume in the water reservoir is constant, just adjust the output air pressure of the air pump The amount of water spray is varied; cameras are mounted on one side of the tire and floodlights are mounted on the opposite 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 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 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 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 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.