501 results about "Organic glass" patented technology

The invention discloses an ion type rare earth ore in-situ leaching model. According to the model, surface soil and ore soil in a target mining area site are collected firstly, physicochemical characteristic parameters of the surface soil and the ore soil are obtained, then a topless soil storage frame is erected through organic glass, a low-grade ore soil layer, an ore soil layer and a surface soil layer are laid in sequence, liquid injection holes are formed in the surface of the surface soil layer, and a liquid collecting pipe penetrating through the soil storage frame is arranged on the low-grade ore soil layer; then uniformly injecting a leaching agent into liquid injection holes, monitoring dynamic data in the ore leaching seepage process in real time, collecting a rare earth mother solution, calculating the rare earth leaching rate and the ore leaching cost, adjusting parameters of a liquid injection hole net, obtaining multiple groups of rare earth leaching rates and ore leaching costs, optimizing obtained ore leaching parameters, and verifying through a macroscopic experiment. The model effectively solves the problem that the seepage rule and the ore leaching effect of each ore leaching agent in the rare earth ore soil cannot be intuitively obtained during in-situ ore leaching industrial production, so that the cost of the ore leaching agent is greatly reduced on the premise of ensuring the rare earth leaching rate.

The invention discloses an ultralow-temperature LNG (Liquefied Natural Gas) underground cavern reservoir freezing simulation test device and method, and particularly relates to the field of underground energy storage. Comprising a steel frame, an overflow groove is formed in the upper side of the steel frame, a water conveying groove penetrating through the left side and the right side of the steel frame is formed in the lower side of the steel frame, a water inlet hole and a water drainage hole are formed in the two ends of the water conveying groove respectively, a rock mass model is arranged in the steel frame, and high-strength heat insulation organic glass plates are further arranged on the front side and the rear side of the steel frame; the high-strength heat insulation organic glass plate is connected with the steel frame through a fixing assembly, a sensor assembly is arranged on the high-strength heat insulation organic glass plate, the steel frame is further wrapped with a cooling cylinder embedded in the rock mass model, and the cooling cylinder is used for cooling the interior of the steel frame. By adopting the technical scheme of the invention, the problems of high difficulty and high cost of the existing cavern test are solved, and simulation of various important research objects such as surrounding rock groundwater seepage, temperature and strain field evolution, crack frost heaving expansion and ice seal ring form can be realized.

The invention relates to the technical field of time delay imaging, in particular to a scintillator capable of being used for time delay imaging, a preparation method and application. The invention aims to solve the technical problems of the traditional time delay imaging scintillator in the aspects of use environment, delay time and imaging resolution, and realize high-efficiency, high-stability, long-time delay and high-spatial resolution imaging. According to the main scheme, the coated lanthanum element doped fluoride nanocrystalline scintillator is characterized in that a coating layer comprises inorganic glass, organic glass and silicon dioxide, the lanthanum element comprises any one of Tb, Eu, Er, Ce, Ce / Tb, Gd / Tb and Ce / Tb / Gd, and fluoride nanocrystalline is any one of Pb4Lu3F17, Pb4Lu3F17, Pb4Lu3F17, Na5Lu9F32, Cs0. 02Na0. 98LuF4 and Ba2LaF7. According to the invention, not only is long-time imaging after X-ray radiation realized, but also high-spatial-resolution imaging after time delay is realized, and the method is suitable for the fields of industrial detection, medical imaging and the like.

The invention discloses a grinding and polishing tool applied to curved surface machining and a preparation method of the grinding and polishing tool. The grinding and polishing tool comprises a grinding and polishing layer, a base body layer and a rigid layer. The grinding and polishing layer is a uniform mixture of hydrophilic resin and grinding materials, protrusions are evenly distributed, the center axes of the protrusions are perpendicular to the lower end face of the tool, and the spherical surface where the tops of the protrusions are located and the spherical surface where the bottoms are located are the same in radius and collinear in sphere center. The matrix layer is made of hydrophilic resin the same as that of the grinding and polishing layer; the rigid layer 3 is one of an organic glass plate, a polyvinyl chloride plate and a polycarbonate plate. A convex tool is adopted for concave surface machining, and a concave tool is adopted for convex surface machining. The grinding and polishing tool is integrally formed, bonding is reduced, functional structure integration of the tool is achieved, and the machining precision is improved; the hydrophilic resin has the swelling characteristic when encountering water, full flexibility of the tool is achieved, and the tool can be attached to the surface of a workpiece easily and has the self-finishing function.

The present invention relates to the technical field of CT, and discloses a dual-energy-spectrum material decomposition calibration phantom and method. The dual-energy-spectrum material decomposition calibration phantom comprises an organic glass cylinder having a length of 16 cm, two Teflon cylinders having different diameters are embedded in the organic glass cylinder, and the diameters of the two Teflon cylinders are respectively one third and one fourth of the diameter of the organic glass cylinder. According to the dual-energy-spectrum material decomposition calibration phantom and method, calibration is performed on a projection, without relying on an image reconstruction process, so that energy spectrums and original projection data information can be more fully utilized, so as to obtain a more accurate image and a more accurate material decomposition result.

The invention provides a nuclear reaction state monitoring system based on anti-electron neutrino, and relates to the technical field of nuclear monitoring. The nuclear reaction state monitoring device comprises a shell and two central detectors; the two center detectors are arranged in the shell, are arranged in parallel in the length direction of the shell and are spaced by a first set length; the center detector sequentially comprises an organic glass layer, a stainless steel layer, a polyethylene shielding layer, a lead shielding layer and a plastic scintillator layer from inside to outside. The organic glass layer is filled with a gadolinium-containing liquid scintillator; the organic glass layer and the stainless steel layer are spaced by a second set length to form a detection area; the detection area is filled with mineral oil; a plurality of photomultipliers are arranged on the four inner walls of the stainless steel layer in an array mode. Modularization is adopted, a carrier or a lifting appliance can be conveniently used for moving, and meanwhile, if long-distance detection needs to be carried out, only a plurality of modules need to be networked.

The utility model relates to the technical field of grassland soil gas collection, in particular to a soil profile gas collection device which comprises a supporting cylinder, four groups of partition plates arranged from top to bottom are fixedly installed in the supporting cylinder, each partition plate is composed of a first plate body and a second plate body, each second plate body is provided with an L-shaped vent hole communicated with the outside, and the opening of each vent hole faces upwards. The supporting cylinder is divided into four cavities through four sets of partition plates, four organic glass tubes extending into the four cavities respectively are fixedly installed on the supporting cylinder, a three-way valve is fixedly installed at the top of each organic glass tube, and a gas suction cylinder used for extracting gas is arranged on each three-way valve. According to the utility model, the four chambers are uniformly arranged in the supporting cylinder, so that gases with different depths can enter the corresponding chambers. And a pressure applying plate is arranged on the supporting cylinder, so that the supporting cylinder can stably move downwards into the soil.

The invention provides a detonation pressure optical testing device for a micro-dose powdery explosive, which comprises a rotating mirror type scanning camera and an explosive detonation unit, and is characterized in that the rotating mirror type scanning camera is used for collecting a shock wave motion trail image when the powdery explosive is detonated; the explosive detonating unit comprises an organic glass column body and a high-pressure exploder, an explosive charging hole with an open top is formed in the organic glass column body in the axial direction, a stress wave adjusting rod is arranged in the explosive charging hole in a penetrating mode, and the bottom face of the stress wave adjusting rod can make contact with powdery explosives charged into the explosive charging hole; a first detonating hole and a second detonating hole are coaxially formed in the organic glass column body in the radial direction, and both the first detonating hole and the second detonating hole communicate with the charging hole; the heating wire penetrating through the first detonating hole, the charging hole and the second detonating hole can make contact with the powdery explosive in the charging hole, and the two ends of the heating wire are connected with the positive electrode and the negative electrode of the high-pressure exploder correspondingly. According to the invention, a traditional detonation mode is not needed, the interference of the detonator and the explosion expanding explosive on the measurement process of the sample with the small explosive quantity is solved, and the test convenience and the test precision are improved.

The invention discloses a chromatography-imitating miniature integrated electronic nose and application thereof, and the electronic nose comprises a nut, a screw, a polytetrafluoroethylene joint, a stainless steel clamp, a polytetrafluoroethylene tube, an organic glass chamber formed by a laser direct writing technology, a laser-induced graphene (LIG) interdigital electrode sensor array and a rubber sealing ring. According to the invention, an interdigital electrode array which can be directly connected to a commercial FPC interface is engraved on a flexible polyimide film through a laser direct technology; the sensor array is composed of a single sensing material and PDMS coatings with different thicknesses, the sensor with high repeatability is manufactured by adopting a simple dispensing method, and the whole LIG transmission interdigital electrode sensor array is simple in manufacturing process and low in cost; the electronic nose is formed by simply assembling all parts, so that the electronic nose is convenient to disassemble, replace and produce in batches; the electronic nose is small in size, simple in wiring and capable of being used after being connected.

The invention discloses a polyurethane sealant primer as well as a preparation method and application thereof, and relates to a primer as well as a preparation method and application thereof. The invention aims to solve the problems that the existing single-component polyurethane sealant has low bonding strength on aviation organic glass and cannot meet the bonding sealing of helicopter cabin organic glass and crack arrest of cabin cover organic glass. The primer is prepared from a T100 prepolymer, an MDI and TPTI mixed isocyanate prepolymer, 4-toluenesulfonyl isocyanate, a catalyst, butanone, carbon black and methanesulfonic acid. The method comprises the following steps: 1, preparing a mixed isocyanate prepolymer of MDI and TPTI; and 2, preparing the polyurethane sealant primer. According to the application, the adhesive is applied to bonding sealing of helicopter cabin organic glass and crack arrest of cabin cover organic glass. The invention provides the polyurethane sealant primer as well as the preparation and the application thereof.

The present disclosure provides a fine detection device and method for crack initiation and propagation of a rock specimen during loading process. The device comprises an organic glass skeleton, a plurality of sensor support skeletons, a multi-parameter dynamic acquisition system, a servo press bearing platform and a computer, wherein the organic glass skeleton is placed in the middle of the servo press bearing platform, the sensor support skeletons are arranged inside the organic glass skeleton, the rock specimen is arranged inside the sensor support skeleton, the multi-parameter dynamic acquisition system is fixedly arranged on the sensor support skeleton, the multi-parameter dynamic acquisition system is in contact with the rock specimen, and the multi-parameter dynamic acquisition system and the servo press bearing platform are electrically connected to the computer.

The invention discloses an experimental detection device and method for splashing of a valve in still water in an air pressure environment, and relates to the technical field of valve detection, the device comprises an organic glass box, and detection mechanisms are symmetrically arranged in the organic glass box. According to the valve still water splashing experiment detection device in the air pressure environment, the sealing ring wraps the outer side of the butt flange, so that the sealing performance is guaranteed, the communicating joint is connected with the upper hose through the connector and communicated with the communicating vessel through the hose, and then the communicating vessel is connected with the conveying pump; a right-angle pipe is arranged at the bottom of the conveying pump and communicates with the interior of the box body, so that during use, a water source is added into the box body, then the conveying pump works in cooperation with the right-angle pipe to pump out the water source, and then the water source is conveyed into a communicating connector through a communicating vessel and a hose and communicates with the interior of a valve body through the communicating connector; a water source is added into the valve body, pressure testing is carried out, and if cracks or damage exist, water pressure enables the interior of the valve body to be sprayed out.

The invention relates to the technical field of gas permeability testing, in particular to a method and a device for testing hydrogen permeability of a high-pressure flexible composite pipe under tensile load. The device comprises a hydrogen concentration detection sensor, a nut, a thrust bearing, a pull rod, a stress monitoring sensor, a blind flange, a flange, an organic glass tube and a clamping plate, wherein the blind flange can seal gas in the tube; the clamping plate is used for axially positioning the composite pipe; axial prestress can be applied to the composite pipe by screwing the nut, and the stress monitoring sensor can record a stress value; the hydrogen concentration detection sensor can detect the gas concentration in the organic glass tube. Compared with the existing closest technology, the method has the advantages that the influence of the tensile load on the hydrogen permeability of the full-size high-pressure flexible composite pipe is considered, the test result is closer to the actual working condition, and technical support can be provided for selection and research and development of the hydrogen energy conveying high-pressure flexible composite pipe material.

The utility model relates to the technical field of energy pipeline transportation, and particularly discloses a diesel pipeline transportation monitoring device which comprises a charging hopper, a deflation valve, a vertical pipeline, a horizontal pipeline, a pressure sensor, a pressure intensity sensor, a data acquisition device, a data line, a computer, an oil storage tank, a first centrifugal pump and a first organic glass tube, a deflation valve is arranged on the charging hopper, the top of a vertical pipeline is connected below the deflation valve, and the bottom of the vertical pipeline is connected with a horizontal pipeline; the pressure sensors are distributed on the vertical pipeline, the pressure sensors are arranged at the bottom of the vertical pipeline and are connected with the data acquisition device through data lines respectively, and the data acquisition device is connected with the computer through a data line; the oil storage tank is connected with the horizontal pipeline and the centrifugal pump. Diesel oil in the oil storage tank enters the first organic glass tube through the first centrifugal pump and flows back into the charging hopper. Changes of diesel oil in the pipeline can be visually observed, and stability and safety of downward conveying of the diesel oil can be comprehensively improved.

The utility model discloses a lepidoptera insect larva phototaxis and shading behavior reaction measuring device which comprises a behavior reaction chamber, a top cover, a light barrier, an insect placing box, an LED light source, a lamp holder and a neutral light filter, white filter paper is laid at the bottom of the behavior reaction chamber, the top cover is arranged at the top of the behavior reaction chamber, and the light barrier is arranged on the top of the behavior reaction chamber. The top cover is made of a transparent acrylic organic glass material and is provided with a plurality of hollow holes for air circulation, the light barrier is vertically arranged at the top of the behavior reaction chamber, the behavior reaction chamber is averagely divided into a first side and a second side by taking the light barrier as a boundary, and the insect placing box is arranged at the central position of the behavior reaction chamber; the insect placing box is made of transparent acrylic organic glass materials, the insect placing box is in a circular ring shape with an upper opening and a lower opening, the center point of the insect placing box is overlapped with the center point of the behavior reaction chamber, the LED light source is installed over the phototaxis chamber, the LED light source is supported by the lamp holder, the LED light source is white light or monochromatic light with different wavelengths, and the neutral light filter is arranged on a light path of the LED light source.

The invention belongs to the technical field of magnetic field sensing, and discloses a silicon-based anisotropic magnetic film non-contact magnetic field sensing device which comprises an organic glass probe, a rotating table, a steering engine, a support, a solar panel, a rear-end waterproof box and a fixed base which are sequentially combined from top to bottom. Magnetic field components at different angles are obtained through the variable attitude angle scanning mechanism, so that the optimal sensing angle is selected, measurement errors caused by installation attitude deviation, structural tolerance and environmental disturbance can be effectively eliminated, the reliability and stability of the system in outdoor long-term operation are remarkably improved, and the reliability and stability of the system in outdoor long-term operation are improved. The magnetic field of the wire is sensed in a non-contact mode, the light-weight probe and the movable fixing support are matched, fixation can be directly carried out below the measured wire, the installation process is simple, convenient and rapid, and the device is very suitable for the rapid arrangement and temporary monitoring requirements of an electric power field.

The invention relates to impact-resistant synergistic organic glass and a manufacturing method thereof.The method comprises the steps that core-layer seed forming, core-layer growing, shell-layer forming, impurity removal and concentration are conducted, nano-sized core-shell colloidal particles are obtained, during core-layer growing, a first functional monomer containing a first functional group is added, and during shell-layer forming, a second functional monomer containing a second functional group is added; adding a second functional monomer containing a second functional group; pre-dispersion liquid containing core-shell colloidal particles, a dispersing agent and an MMA monomer is formed; preparing a liquid base material; the temperature condition is controlled, the liquid matrix material is polymerized to form a solid matrix, at the moment, a transition area between the shell layer and the matrix is a compatible interface formed by polymerization and curing of the MMA permeable layer, chemical bonding is formed between the first functional group and the second functional group, chemical bonding is formed between the second functional group and the third functional group, and the solid matrix is formed. The impact-resistant synergistic organic glass is obtained. The impact resistance of the organic glass can be improved, and meanwhile, the original basic mechanical property and high visible light transmittance are reserved.

The invention relates to the technical field of motor test equipment, in particular to a test device for isolating generator vibration and a use method thereof. In order to solve the problems of insufficient external vibration isolation, structural adaptability, working condition adjustment flexibility, data acquisition precision and the like in the prior art, the invention provides the following technical scheme that the device comprises a base, a supporting platform is mounted above the base, a generator set is mounted at the top of the supporting platform, and a motor is mounted in the lower part of the supporting platform; a transmission shaft for connecting the motor and the generator set is arranged between the motor and the generator set; the supporting platform comprises a lower support in threaded connection with the base, and the lower support is fixedly connected with a plurality of sets of organic glass plates which are oppositely arranged through threads. External vibration interference can be effectively isolated, data accuracy is improved, the device is simple in structure and convenient to mount, adapts to different types of generators, can flexibly adjust working conditions, realizes integration of data acquisition and analysis, is wide in application scene, and improves test efficiency and reliability.

The present invention belongs to the technical field of nanomaterial preparation, and discloses a method for preparing a self-repairing highly hydrophobic and highly transparent organic glass film layer. The method comprises: the first step of treating the organic glass surface with polysiloxane and solidifying it into a film; the second step of grinding and dispersing the nano-diamond prepared by the detonation method, oxidizing and removing impurities, extracting nano-diamond particles of a certain particle size by high-speed centrifugation, and dispersing them together with Ag@TiO2 nano-particles prepared by the hydrothermal method in an ethanol solution of water and polyvinyl pyrrolidone to form a PVP dispersion of the two, and then spraying them on the organic glass surface, drying and solidifying them into a film. The film layer prepared by the present invention has good hydrophobicity and high light transmittance, and can self-repair under light. The production method has simple steps, low energy consumption, is suitable for industrial production, and has strong practicality.

The utility model discloses a showing stand for selling organic glass, which comprises a support bottom plate, a unit column and a storage tray, one side in the storage tray is provided with a mounting cavity, one side in the mounting cavity is provided with a two-way lead screw, one end of the two-way lead screw is fixedly provided with an adjusting knob, movable plates are symmetrically arranged in the mounting cavity, and the movable plates are connected with the unit column. And lead screw sleeves are symmetrically and fixedly installed at one ends of the two movable plates, bidirectional lead screws are connected into the lead screw sleeves in a threaded and sleeved mode, guide sliding rods are symmetrically welded to the other ends of the two movable plates, the guide sliding rods are connected into the guide sliding sleeves in a sleeved mode, and fixing clamps are fixedly installed at the ends, located in the reserved grooves, of the guide sliding rods. The display rack has the advantages that organic glass samples of different specifications and sizes can be placed and fixed within a certain range through the two fixing clamps so as to be displayed and sold, the stability of the organic glass samples in the display process can be guaranteed, the organic glass samples cannot be disengaged from the storage disc to be damaged, and practicability is higher.

The invention discloses a salt lake rock core permeation sample chamber for testing the permeation coefficient of a salt lake rock core sample, the salt lake rock core permeation sample chamber comprises an upper cover (2), an organic glass barrel (3) and a lower cover (4), a base (8), a latex film (11) and a pressurizing cap (7) are sequentially arranged above the lower cover (4) from bottom to top, and the latex film (11) sleeves the base (8) and the pressurizing cap (7), is tightened by a rubber band and is fastened by a hoop straining ring; and the lower cover (4) is provided with a water inlet and outlet valve interface (13) which is connected with a confining pressure controller and is used for controlling the peripheral annular pressure of the latex film (11), and foot pads (5) for supporting the sample chamber. A salt lake rock core sample is put into the latex film and then put into the sample chamber, a certain annular pressure is given to the sample through the water inlet and outlet valve interface, lateral seepage is prevented by controlling the annular pressure, and the situation that the permeability coefficient test result is unreliable due to the fact that the original structure state of the sample is changed under the action of large external force is prevented.

The utility model discloses an organic glass surface scratch repairing device, and particularly relates to the technical field of organic glass, the organic glass surface scratch repairing device comprises a rack, an operation panel is arranged on the outer wall of the rack, a detector is installed on the outer wall of a supporting frame, and an output shaft of a second motor is connected with a transmission rod through a coupler; a lead screw is arranged on the inner wall of the driver, and a grinding device is fixedly connected to the outer wall of the adjusting ring. According to the organic glass surface scratch repairing device, through the arrangement of the air cylinder, the spray head and the grinding device, a worker can conveniently repair organic glass bodies with different thicknesses, meanwhile, due to the fact that the connecting rod and the spray head are horizontally arranged, and the spray head is arranged in front of the connecting rod, the working efficiency is improved; and after the organic glass body is repaired by the spray head, the organic glass body is ground by the connecting rod at the first time, so that the uniformity of repairing the surface of the organic glass body by the grinding device is guaranteed, and the quality of repairing the surface of the organic glass body by the whole device is improved.

The utility model provides a low-concentration electroplating wastewater two-stage treatment device driven by a source heat pump, which belongs to the field of electroplating wastewater treatment and can operate at medium and low temperature without special equipment through a tower top, a hot air inlet pipeline, a heat source pump, an electroplating wastewater inlet pipeline, a pressure nozzle and a waste gas outlet pipeline. The requirement for sealing performance is low, consumables are few, the requirement for materials is not high, simplicity and convenience are achieved, and the operation cost is low; the device can be used for directly observing the whole evaporation and separation process of the evaporation and separation tower body part, so that unfavorable conditions occurring in the heat and mass transfer process can be conveniently found in time and adjusted and optimized in time; the device treats electroplating wastewater by using air as a separation carrier, and the separation carrier is convenient to obtain and is basically not limited by the environment; the device adopts the visual polyacrylate material tower body which is high in transparency, low in price and easy to machine, and the internal temperature of the tower body is lower than that of the tower top part, so that the problems of softening and deformation of organic glass caused by high temperature and the like are effectively avoided.

1. Name of the designed product: double-layer coffee cup holder (acacia organic glass). 2. Use of the designed product: for placing coffee cups. 3. Design points of the designed product: in the combination of shape and pattern. 4. Picture or photo best indicating the design points: perspective view.

The utility model discloses a lighting device which comprises an infrared sensor, a top flange, a light-emitting control panel, an organic glass protection tube and an organic glass cap. The infrared sensor is connected to the top of the top flange, the top flange is provided with a threading hole, and the bottom is provided with a wiring terminal; the wiring terminal is connected with an input port of the light-emitting control panel through a flat cable, and a cable connected with the wiring terminal is led out through the threading hole; the light-emitting control panel comprises a single-chip microcomputer and an LED light-emitting tube, and the LED light-emitting tube is connected with an output port of the single-chip microcomputer through an internal circuit. The top end of the organic glass protection tube is connected to the bottom of the top flange; the organic glass cap is connected to the bottom of the organic glass protection tube; and the light-emitting control panel and the wiring terminal are positioned in the organic glass protection tube. The utility model further discloses a box type rare earth extractor. According to the utility model, the state of a solution in the extraction tank can be clearly observed, and the observation definition and contrast are improved.

The present invention discloses an electric power dispatching monitoring device and a method for using the same, and relates to the technical field of electric power monitoring devices. The present invention includes an electric power dispatching monitoring module and a firmly connected and separated composite module. Both ends of the electric power dispatching monitoring module are provided with firmly connected and separated composite modules. The electric power dispatching monitoring module includes a carrying box module, a monitoring main body module, a cover, organic glass, and a grounding pin. The present invention facilitates the connection of the device to the circuit through the coordinated design of the electric power dispatching monitoring module and the firmly connected and separated composite module, thereby forming a dispatch monitoring of the electric power flow between the inflow end and the output end, greatly improving the convenience of monitoring and viewing. Moreover, through the design of the firmly connected and separated composite module, the device facilitates the convenient two-way derivation connection and stable fixation of the circuit that needs to be dispatched and monitored after connection, and facilitates rapid separation when a circuit abnormality occurs, thereby facilitating the auxiliary processing of special dispatching situations.

The present invention relates to the technical field of simulation experimental devices, and specifically to a deep tunnel vertical shaft water drop and sediment movement simulation experimental device and method. The experimental device includes a water storage tank equipped with a water pump, and also includes an eddy current component, which is conductively installed with the water storage tank; the vertical shaft component includes a vertical shaft body with a semi-cylindrical pier and an energy dissipation cone installed at the bottom end thereof, and the eddy current component is arranged at the top end of the vertical shaft body and aligned with the center of the energy dissipation cone; a transparent sedimentation tube, which is conductively installed at the bottom end of the vertical shaft body and conductively connected to a sampling tank at the end thereof; and an organic glass tube, which is conductively installed between the sampling tank and the water storage tank, and between the water storage tank and the eddy current component. The deep tunnel vertical shaft water drop and sediment movement simulation experimental device and method can simulate a deep tunnel environment, can analyze and simulate different deep tunnel environments by controlling experimental conditions, reduce experimental costs and safety risks, and are of great significance to deep tunnel engineering design and risk assessment.

The utility model discloses an organic glass connecting mechanism and an organic glass system.The organic glass connecting mechanism comprises a buckle structure and a connecting piece, the buckle structure is used for being fixed to the edge of organic glass, the buckle structure comprises a connecting part, and the connecting piece is used for sequentially penetrating through the connecting parts of the buckle structures of two pieces of organic glass; and the two pieces of organic glass are connected. According to the application, the buckle structures are fixed at the edge of the organic glass, and then the connecting piece sequentially penetrates through the connecting parts of the buckle structures of the two pieces of organic glass, so that the two pieces of organic glass are tightened and connected, and therefore, through the cooperation of the buckle structures and the connecting piece, the two pieces of organic glass can be tightened and connected; connection of large organic glass with the edge of a complex structure is achieved, the requirement for reliable coating of large connecting tension loads and the complex structure is met, and meanwhile operation convenience and safety are achieved.

The utility model discloses a mould is placed under the mould of simulation ultrasonic real -time guidance of nasal -intestinal tube, including the digestive tract simulation body of simulation esophagus, stomach, duodenum and jejunum, it adopts the flexible material of ultrasonic wave penetration, front surface is not transparent, back surface is transparent, and its inside esophagus is used for filling air, and the part except esophagus is used for filling liquid, the digestive tract simulation body is fixed between two organic glass, front surface is not transparent, back surface is transparent, the organic glass of front surface opens at esophagus place, antrum gastricum place respectively, as the acoustic window of ultrasonic, is used for the inflation sign of esophagus and antrum gastricum nasal -intestinal tube catheter tip cloud sign of ultrasonic observation when placing nasal -intestinal tube respectively, is provided with many resistance positions at stomach and duodenum, for making nasal -intestinal tube catheter tip forward into the obstruction. The utility model can simulate the sign of ultrasonic under different conditions on the mould, effectively simulates the actual entering process of nasal -intestinal tube under the real -time guidance of ultrasonic, and facilitates simulation teaching demonstration.

The utility model relates to the technical field of organic glass plate cutting, and discloses an organic glass plate cutting device which comprises a cutting shell, the cutting shell is fixedly connected with a third driving motor, the output end of the third driving motor is fixedly connected with a second worm, the second worm is meshed with a second worm gear, and the second worm gear is meshed with a second worm. The second worm gear is fixedly connected with a third rotating shaft, the third rotating shaft is rotationally connected with a second fixing plate, the third rotating shaft is fixedly connected with a first belt wheel, and a second belt is arranged on the first belt wheel. According to the utility model, the adjustment and correction times in the cutting process can be reduced, the cutting continuity and efficiency can be improved, the flatness and smoothness of the cutting edge can be ensured, burrs and cracks can be reduced, the cutting quality can be improved, and the cutting device can adapt to various sizes and cutting requirements; therefore, the adaptability of the organic glass plate cutting device is improved.