315 results about "Newtonian fluid" patented technology

The invention relates to the technical field of control or regulation systems, and discloses a cooperative control method for a photovoltaic intelligent manufacturing equipment production line, and the method comprises the steps: a control unit collects the stock and change rate of materials in a physical cache region in real time; establishing and mapping the physical cache region into a virtual viscoelastic dynamic model with non-Newtonian fluid characteristics; calculating a virtual elastic restoring force enabling the stock to return to a balance point and a virtual viscous damping force preventing the stock state from changing based on the model; wherein an asymmetric anisotropic damping generation strategy is executed, and a damping coefficient is dynamically split according to a material flowing trend; and finally, superposing the virtual adjustment correction after vector synthesis to the basic transmission speed to generate a dynamic speed instruction, and by constructing a virtual dynamic field with rheological characteristics and an asymmetric damping mechanism, the problem of nonlinear cascade oscillation in discrete logistics transmission is solved, and differential self-adaptive suppression of accumulation and evacuation risks is realized.

The invention relates to the technical field of flexible circuit board manufacturing and packaging, in particular to an FPC assembly injection molding packaging structure and method based on dynamic mold flow control, and the structure comprises an FPC assembly, a first injection molding layer wrapping a welding spot area of the FPC assembly, and a second injection molding layer wrapping the first injection molding layer and the FPC assembly. The second injection molding layer is provided with an anchoring column penetrating through the reserved channel of the first injection molding layer or the through hole of the FPC assembly, and the anchoring column and the FPC assembly or the first injection molding layer form a mechanical interlocking structure. According to the FPC assembly injection molding packaging structure and method based on dynamic mold flow control, the electronic equipment and the storage medium, through a sandwich structure and in-situ mechanical interlocking design, the process control of a non-Newtonian fluid shear model and an unsteady state heat conduction equation is combined; the technical problems that in the prior art, procedures are tedious, stress concentration is caused by CTE mismatching, and welding spots are prone to being damaged in the injection molding process are solved.

The invention belongs to the technical field of industrial solid waste resource recycling, and discloses a nano composite filling material based on in-situ acid-base mutual modification enhancement and application thereof. According to the nano composite filling material, the alkalinity of the red mud and the acidity of the desulfurized gypsum are used for neutralization, the alkalinity of a system is reduced, a synergistic reaction is excited, a large number of ettringite crystals playing a key enhancing role are generated under the regulation and control of a nano material, and the ettringite crystals and a geopolymer form an interpenetrating network structure. The obtained slurry is low-viscosity and high-fluidity Newtonian fluid (diffusivity gt and 250 mm), the 7-day strength is larger than 2.0 MPa, the pH value is 7-9, and the fluorine ion concentration is lt; and the leaching of heavy metal ions is qualified, and the method is environment-friendly and safe. Efficient resource utilization of the red mud and the desulfurized gypsum is achieved, and the method is simple in process, low in cost and especially suitable for mine filling and engineering backfilling.

The invention discloses a method and a device for predicting and adjusting vertical conveying pressure of an emulsion matrix, which realize gradient release of kinetic energy of fluid and suppression of impact pressure through dynamic pipeline structure design and collaborative optimization of conveying parameters, combined design of a snakelike pipeline and a sectional horizontal extension section, and cooperation with a tail end U-shaped buffer structure. A multistage speed control device and a variable damping assembly are constructed, and a flow velocity fine regulation and working condition self-adaptive matching mechanism is formed in combination with a pressure prediction model based on machine learning. A fluid-solid-heat multi-physics field coupling analysis technology is introduced, a non-Newtonian fluid constitutive model is optimized, and a pressure distribution rule under a complex working condition is accurately predicted. Through rheological property research and formula improvement, an emulsion matrix system with high thixotropy and suitable yield stress is developed, and the system adaptability is improved from the two dimensions of fluid intrinsic characteristics and a conveying process. According to the technical system, the pressure fluctuation amplitude of the pipeline is remarkably reduced while the conveying efficiency is guaranteed.

The invention relates to a turbine blade cooling optimization method and device based on non-Newtonian fluid. Comprising the following steps: step 1, carrying out grid division and simulation processing on a three-dimensional geometric model of the micro-channel of the turbine blade containing a shear groove to obtain a simulation grid model; 2, on the basis of the simulation grid model, determining a non-Newtonian fluid constitutive model suitable for the simulation grid model, and associating the non-Newtonian fluid constitutive model to the simulation grid model to obtain a fluid characteristic grid model; step 3, calculating index data based on the fluid characteristic grid model and the target equation; 4, adjusting the structure parameters of the shearing grooves in the simulation grid model, repeatedly executing the step 1 to the step 3 according to the adjusted structure parameters of the shearing grooves, and recording index data corresponding to the structure parameters of each group of shearing grooves to obtain a candidate data set; and 5, selecting the structure parameter of the shear groove with the comprehensive optimal resistance performance and heat transfer performance from the candidate data set according to the index data, and taking the structure parameter as an optimized target shear groove parameter.

The invention relates to the technical field of flame-retardant cables, and particularly discloses a drip-proof flame-retardant cable and a preparation method thereof.The drip-proof flame-retardant cable comprises conductors and further comprises an elastic supporting layer, and the outer surfaces of the five conductors are wrapped with the elastic supporting layer. According to the drip-proof flame-retardant cable and the preparation method thereof, when the cable is bent, the elastic supporting layer can perform elastic pressure relief on the shearing force of wind, so that the bending strength of the cable is reduced, and the situation that the cable is greatly shaken due to the fact that the cable is often influenced by strong wind in coastal areas is avoided; when the cable is partially bent, the filling cavity at the bent part is extruded, so that the oxygen barrier layer is prevented from generating microcracks at the bent part, and the risk that rainwater permeates into the cable and is vaporized and exploded at high temperature when encountering an electric arc is avoided. Therefore, the non-Newtonian fluid in the local filling cavity is locally hardened under the action of the extrusion force, the bending strength of the cable is greatly reduced, and the internal conductor is protected.

The invention discloses a composite board bonding strength detection device and detection method, and relates to the technical field of bonding strength detection. Comprising a base and a rack fixedly connected to the upper end of the base, first sliding grooves are formed in the inner side of the rack, a cross beam is fixedly connected between the first sliding grooves, a dynamometer is fixedly connected to the lower end of the cross beam, connecting bases are fixedly connected to the lower end of the dynamometer and the upper end of the base, and clamps are arranged at the ends, close to each other, of the connecting bases; the first-stage braking assembly is arranged in the first sliding groove, located between the upper end of the cross beam and the top of the rack and used for counteracting movement inertia of the cross beam; when instantaneous force is applied to the non-Newtonian fluid through the piston disc, the non-Newtonian fluid is rapidly gathered to form a rigid structure to improve the hardness, so that the displacement of the piston disc is prevented, the cross beam is prevented from continuously displacing when being subjected to inertia, the position fluctuation of the cross beam caused by inertia is reduced, the occurrence probability of overshoot reading and return stroke reading is reduced, and the accuracy of measurement is improved. And the accuracy of detection data is improved.

The invention discloses a submarine pipeline laying device, and belongs to the technical field of submarine pipeline laying, the submarine pipeline laying device comprises a sand box, a mixed fluid pressurization conveying assembly and a vibration transmission assembly, the bottom of the sand box is provided with a slag outlet pipe, the outer surface of the slag outlet pipe is connected with a slag slurry pump, a pipeline is installed in a submarine groove, and the upper surface of the pipeline is movably connected with a pipe bag; through mutual cooperation of the water reducing agent tank, the water reducing agent pipe, the flow meter, the flocculant tank, the flocculant pipe and the water pump II, a water reducing agent and a flocculant can be accurately conveyed into the sand box, the flowability of the water reducing agent and the flocculant is ensured, and a mixture of seawater, coarse sand, the flocculant and the water reducing agent can be pumped into the pipe bag through the slurry pump; the flowing and impact of the liquid can drive the tube bag to vibrate, and then drive the vibration rod, the vibration piece, the vibration ball and the non-Newtonian fluid balls in the hole grooves to vibrate, so that the vibration of the tube bag is accelerated, the mixture is prevented from caking, and all corners of the tube bag are uniformly filled with the mixture.

The invention relates to the technical field of general control or regulation systems, and discloses a stirring torque self-adaptive cooperative control method for rheological characteristics of high-solid-content slurry, and the method comprises the steps: obtaining a feedback rotating speed signal and a torque current signal, and resolving the real-time angular momentum of a stirring system; extracting a phase deviation angle of the torque current signal relative to the feedback rotating speed signal to calculate a viscoelasticity characterization value, and correcting a virtual damping parameter of a speed control ring according to the viscoelasticity characterization value; a control error phase track is constructed in a phase plane of the controller, and the local curvature of the control error phase track is monitored, so that the rheological property sudden change state of the high-solid-content slurry is judged; according to the method, control instability caused by non-Newtonian fluid viscoelasticity lag is eliminated through phase domain closed-loop adjustment and phase trajectory singular point pre-judgment, and the operation stability of a driving motor under the extremely high damping working condition is guaranteed.

The invention discloses a bearing with stable lubricating performance, and relates to the technical field of bearing devices, the bearing comprises a static bearing and a dynamic bearing, the static bearing comprises a shell and a porous oil storage bushing, a sealing ring is arranged on one side of the porous oil storage bushing, an oil supplementing mechanism is arranged on one side of the sealing ring, and an auxiliary ring is arranged on one side of the oil supplementing mechanism; a movable bearing is arranged in the porous oil storage bushing and comprises a shearing shaft sleeve, a shaft wheel and supporting frames, the shaft wheel is arranged on the outer wall of the shearing shaft sleeve, the supporting frames are arranged on the two sides of the shearing shaft sleeve, the shearing shaft sleeve and the porous oil storage bushing are combined through the supporting frames, and one side of the shearing shaft sleeve is connected with an oil supplementing mechanism. An oil scraping plate and an oil outlet hole are integrated by rotating an oil supplementing arm, so that dynamic lubrication supply and pore self-cleaning are realized; by adopting the non-Newtonian fluid lubricant, the viscosity is improved under high-speed shearing, and the stability of an oil film under extreme working conditions is enhanced; the connecting block enables the oil supplementing system and the bearing to rotate synchronously, and self-adjusting lubricating circulation is formed.

The invention belongs to the technical field of vaccine adjuvants, and particularly relates to a water-in-oil-in-water adjuvant, a veterinary vaccine and a preparation method thereof.The water-in-oil-in-water adjuvant is prepared from, by weight, 0.5%-7.5% of a hydrophilic composite surfactant, 0.6%-9.8% of an oleophylic composite surfactant, 70%-85% of mineral oil and the balance water; and the mineral oil also comprises the following components in concentration: a reinforcing agent of 0.45-0.9 g / ml and a stabilizing agent of 2-6.9 g / L, wherein the water-in-oil-in-water adjuvant forms a gelatinous structure under the regulation of the stabilizer and is a non-Newtonian fluid of which the viscosity is not higher than 25cp; the adjuvant shows the non-flowing fluid characteristic through the stabilizer, the rheological property of the produced vaccine is enhanced, the stability of the vaccine is improved, on the premise that the hydrophilic surfactant and the oleophylic surfactant are balanced, the natural polymer enhancer is added, and on the premise that the adjuvant viscosity is reduced and granuloma side reaction is not prone to being generated, the stability of the vaccine is improved. Short-term immunity and long-term immunity can be induced at the same time, and the application of the water-in-oil-in-water adjuvant in the field of veterinary vaccines is expanded.

A system is proposed, which includes a nebulizer for atomizing a fluid from a container and such a container containing the fluid. The fluid is a non-Newtonian fluid, in particular in the form of a suspension or an emulsion or a liposomal fluid or a gel. The nebulizer includes a fluid pump for dosing the fluid from the container and pressurizing the corresponding dose for atomization by means of a nozzle channel having a hydraulic diameter in the range of 3 to 20 microns at an operating pressure of 5 to 250 MPa.

The invention discloses a construction method of an antique tile wind-resistant connecting piece of a high-rise building, belongs to the technical field of building components, and provides a multi-level collaborative wind-resistant system aiming at the problems that a traditional antique tile roof is insufficient in wind-resistant capacity and prone to falling off. A non-Newtonian fluid damping system is adopted to achieve self-adaptive adjustment of wind pressure, clamping force is dynamically improved in combination with a micro-airbag friction-thermal expansion coupling mechanism, a thermochromic early warning system is innovatively integrated in a connecting piece, the risk state is monitored in real time through a visual observation window, dynamic acceptance check is conducted in combination with a wind pressure simulator in the construction process, and the construction efficiency is improved. According to the method, aesthetic requirements and wind resistance of the pseudo-classic architecture are considered, full-chain protection from structural reinforcement and energy dissipation to intelligent early warning is achieved, the overall wind uplift resistance of the roof is remarkably improved, and the method is particularly suitable for high-rise pseudo-classic architecture in typhoon-prone areas.

The invention discloses a motion control method for preventing glue stacking of a glue dispenser, and relates to the technical field of intelligent control, and the motion control method comprises the following steps: constructing a non-Newtonian fluid dynamic model through a power law equation, and generating a four-dimensional compensation coefficient matrix; the glue amount deviation is predicted through a convolutional neural network, the compensation glue output amount is calculated based on linkage of a piezoelectric valve and a screw valve, and a control instruction set is obtained; constructing a Jacobian matrix to calculate a tail end equivalent inertia force, injecting a reverse compensation current through a servo driver, synchronously optimizing a multi-axis motion track, and replanning a path at an inflection point through curvature radius constraint; the height of a glue line is detected through laser height measurement, an online learning algorithm is triggered to update the weight of the convolutional neural network, a process parameter file is switched, and the rhythm of a conveying belt is controlled to be synchronous with the dispensing interval time; and monitoring the height of the glue line, executing an abnormal glue stacking grading treatment strategy, and recording a fault data packet. According to the invention, through light-weight convolutional neural network prediction and multi-axis motion trail optimization, glue piling prevention of the dispensing machine is realized.

The invention discloses an air spring damping device with a vehicle body posture compensation function, and relates to the technical field of vehicle air spring damping. A piezoelectric ceramic stack main shaft assembly, an active variable stiffness spiral spring assembly arranged at the bottom of the piezoelectric ceramic stack main shaft assembly and a non-Newtonian fluid damping cavity assembly arranged at the bottom of the active variable stiffness spiral spring assembly are sequentially and coaxially arranged from inside to outside. The whole body is coordinated under the unified scheduling of a micro central controller, so that the piezoelectric stack outputs reverse-phase force to accurately counteract the impact, the spiral spring locks the number of turns through the actuating nut to realize the rigidity step improvement, and the non-Newtonian fluid instantaneously changes the viscosity through excitation to filter vibration. By means of formed synchronous cooperation, full-band road excitation is achieved, optimal composite compensation from high-frequency fine vibration to single large impact is achieved, and the contradiction between comfort and controllability is thoroughly solved.

The utility model discloses a particle size grading device for a non-Newtonian fluid soft rubber microsphere suspension. The device comprises particle size grading vibration equipment, a magnetic scrap iron removing device, a suction filtration barrel, a bag type filter, a storage tank front-back multi-stage centrifugal pump and a liquid storage tank, the multi-stage centrifugal pump behind the storage tank is connected with upper and lower diluent spraying pipelines; upper and lower screens are arranged in the particle size grading vibration equipment; the non-Newtonian fluid flexible glue microsphere suspension is diluted to form microsphere homogenate, the particle size grading vibration equipment performs grading filtration on the microsphere homogenate, the diluent is extracted from the liquid storage tank and conveyed to the upper and lower diluent spraying pipelines, and the spraying pipelines spray the screen; the large-particle-size microspheres remain on the upper-layer screen, the medium-particle-size microspheres remain on the lower-layer screen, homogenate containing the small-particle-size microspheres flows into the suction filtration barrel after passing through the magnetic scrap iron removal device, then enters the liquid storage tank after being subjected to impurity removal through the bag type filter, and circulation is carried out. Different target particle size distribution can be achieved by carrying out primary particle size grading on the non-Newtonian fluid soft rubber microsphere suspension.

The invention relates to the technical field of high-rise building elevators, and provides a high-rise elevator emergency air pressure slow descending device which comprises an elevator car, first wedge-shaped blocks fixed to the two sides of the elevator car, a plurality of slow descending mechanisms embedded in the two sides of an elevator shaft in a gradient mode and an air pressure bottom sinking mechanism arranged at the bottom of the elevator shaft. The multi-layer buffering mechanism combining non-Newtonian fluid damping, pneumatic pressurization and elastic supporting has the synergistic effect, the shear thickening effect of non-Newtonian fluid in the box body is activated through the stirring components (the spiral pressing pieces and the stirring blades), the fluid viscosity is greatly improved instantly when the lift car descends suddenly, dynamic damping force is formed, and the dynamic damping effect is achieved. The first air cylinder is used for compressing air to drive the air bag to expand, the reverse thrust assembly (the second air cylinder and the lower pressing plate) is combined to achieve conversion from air pressure energy to mechanical energy, secondary buffering is formed, non-linear and self-adaptive energy absorption is achieved through coupling of fluid mechanics (non-Newtonian fluid) and gas dynamics, and the device is particularly suitable for high-speed falling scenes.

The invention belongs to the anti-seismic field of underground engineering, and particularly discloses a pressure self-balancing tunnel lining surrounding rock composite damping structure and a pressure self-balancing method.The structure comprises a composite damping layer, and the composite damping layer comprises a surrounding rock contact layer close to the side of surrounding rock and a lining contact layer close to the side of a lining; the surrounding rock contact layer is made of a high-damping rubber-basalt fiber composite material and is pre-pressed and embedded into a surrounding rock crack; the lining contact layer is made of a composite viscoelastic material in which flexible capsules are uniformly embedded; the flexible capsule body is of an upper-lower double-layer structure composed of an upper capsule body and a lower capsule body, and the upper capsule body and the lower capsule body are filled with non-Newtonian fluid. A storage bag is arranged on one side of the lower-layer bag body and is separated from the other part of the lower-layer bag body; and one-way hydraulic valves are arranged between the upper-layer bag body and the lower-layer bag body and between the storage bag and the lower-layer bag body. The force balance between the surrounding rock and the lining can be adjusted according to the pressure designed in advance, and deformation coordination among the surrounding rock, the buffer layer and the lining is facilitated.

The present invention relates to the technical field of pipeline vibration damping devices, and in particular to a pipeline valve vibration damping device, comprising a flexible arc block, a connecting piece, an arc-shaped fixing rod and a filling box; an arc-shaped cavity is opened in the flexible arc block; the connecting piece is fixedly connected to the outside of the flexible arc block; the arc-shaped fixing rod is fixedly connected to the inside of the flexible arc block; the two ends of the arc-shaped fixing rod can be slidably connected to each other and fixed by bolts; the present invention wraps the flexible arc block around the outside of the pipeline valve so that the non-Newtonian fluid in the flexible arc block wraps the pipeline valve. Regardless of whether the degree of vibration is large or small, the non-Newtonian fluid can always maintain a good vibration damping effect through viscosity changes. At the same time, the flexible arc block is used to carry the non-Newtonian fluid to wrap the pipeline valve. Regardless of which direction the valve vibrates, the non-Newtonian fluid can play a vibration damping role to achieve all-round vibration damping. At the same time, the non-Newtonian fluid wraps the pipeline valve, which can also reduce noise.

The present application belongs to the technical field of geotechnical engineering and indoor test, and provides a visual test device and method for interaction between high-pressure rotary jet flow and soft soil, which comprises a detachable model box, a jet medium simulation system, a high-pressure rotary jet flow generation system, an overburden pressure simulation system, a data acquisition system and a tracing system.The test device has the advantages of high visual degree, detachability, easy assembly and easy production.The jet medium simulation system has significant shear thinning characteristics, and has a high degree of reduction of the non-Newtonian fluid properties of cement slurry, which not only overcomes the problem of easy blockage of the pipeline, but also avoids distortion defects.The trajectory of the fluorescent powder particles in the jet medium simulation system can be captured by a high-speed camera under the irradiation of the pulsating laser beam generated by the pulsating laser, so as to accurately reproduce the flow field information of the high-pressure rotary jet flow in the soft soil.

The invention discloses a novel non-Newtonian fluid driven fixed abrasive polishing disc, and relates to the technical field of optical element polishing. The fixed abrasive polishing disc comprises an eccentric adjusting frame, a metal back plate, a caliber adjusting ring, a non-Newtonian fluid layer, a rubber sleeve, a fixing ring and a fixed abrasive polishing pad. The metal back plate is matched with the eccentric adjusting frame through the connecting shaft to achieve the adjustable eccentric distance, the caliber adjusting ring can be replaced with different calibers to meet different requirements, the rubber sleeve is filled with the non-Newtonian fluid layer, the fixed abrasive polishing pad is fixed with cerium oxide abrasive, and the size of the fixed abrasive polishing pad is slightly larger than that of the rubber sleeve. The dynamic stiffness characteristic of the non-Newtonian fluid layer is utilized to realize effective correction of full-band errors; the rigidity and efficiency are improved through the fixed grinding material, and hydration reaction is avoided; and multi-structure collaborative optimization of pressure transmission and fringe effect ensures process stability. Experiments show that the fixed abrasive polishing disk can reduce the intermediate frequency error of a fused quartz workpiece to 0.1 mu m and the Ra value to 1.6 nm, is suitable for diversified machining scenes and is high in practicability.

The invention relates to the technical field of fan blade machining, in particular to axial flow fan blade machining equipment and a using method, the axial flow fan blade machining equipment comprises a punching table, and a drilling machine controlled by a mechanical arm is arranged on one side of the punching table. According to the axial flow fan blade machining equipment and the using method, by means of the characteristics of high-speed solidification and low-speed fluidization of non-Newtonian fluid, a drill bit rotating at a high speed is inserted into the non-Newtonian fluid in the connecting cup during drilling, so that the non-Newtonian fluid is solidified instantly to form rigid connection, and then the clamping table is driven to rotate synchronously; and when the fan blades rotate to the position below the magnetic frame along with the clamping table, the drill bit is pulled away to enable the non-Newtonian fluid to recover the flow state, the clamping table rotates under the action of the reset spring, and the magnetic frame synchronously attracts and takes out the fan blades. According to the design, detection elements such as an additional sensor are not needed, the drilling completion state can be accurately judged through structural mechanical characteristics, the workpiece taking action is synchronously triggered, the manual intervention link is reduced, and the machining continuity and efficiency are greatly improved.

The application discloses a non-Newtonian fluid elastic auxiliary support clamp and belongs to the technical field of machining clamps. The clamp comprises a bottom plate provided with arrayed stepped mounting holes, an elastic auxiliary support assembly, a fixed support assembly and a pressing assembly. The upper section of the mounting hole is a smooth hole, and the lower section is a threaded hole; the elastic auxiliary support assembly comprises a non-Newtonian fluid medium filled in the hole, a compression spring arranged at the bottom and an elastic support nail in the shape of a stepped shaft. The fixed support and the pressing assembly are fixed in the mounting hole through threads. The application utilizes the shear thickening characteristic of the non-Newtonian fluid, and under the action of a milling impact force, the medium is instantaneously solidified to generate rigid support, thereby effectively inhibiting machining vibration and tool relief deformation of the overhanging part of a thin-walled plate part. The application has the advantages of simple structure, low cost, good universality and adaptability to multi-variety and small-batch production.

The present application relates to the technical field of mine filling crushing, and discloses a low-energy-consumption crushing and slurry modulation process for mine filling aggregate, which comprises the following steps: preparing a matrix slurry with non-Newtonian fluid characteristics, mixing coarse aggregate into the matrix slurry to form a crushing medium; controlling a crusher to apply crushing pressure in pulse strokes, so that the loading acceleration of the crushing load reaches a shear thickening threshold, the matrix slurry is induced to convert from a flow state to a quasi-solid state, a liquid-phase force transmission medium is constructed between the coarse aggregate, and the pressure load is directionally conducted along the coarse aggregate joint surface; and monitoring the current fluctuation characteristics of a motor and adjusting the feeding proportion of the matrix slurry and the coarse aggregate. The present application utilizes the shear thickening phenomenon to construct an efficient stress conduction path, reduces the crushing energy loss, utilizes the matrix slurry to capture new fine particles, prevents over-crushing and secondary grinding, and realizes the integration and cooperation of crushing and slurry modulation.

The invention relates to a real-time building gradient monitoring device applied to the technical field of building monitoring, and the real-time building gradient monitoring device comprises a device ball body, a monitoring liquid bag, a monitoring plate, a pressure detection module, a probe, a buffer bubble, a fluid bin and a communicating pipe. The pressure data obtained by the pressure detection module reflects the inclination data of the building, and when the building vibrates, the buffer bubbles exist between the pressure detection module and the monitoring plate and are filled with the non-Newtonian fluid, so that the buffer bubbles are matched with the internally filled non-Newtonian fluid to perform vibration buffering, and the stability of the building is improved. According to the method, the instantaneous solid response of the non-Newtonian fluid is realized, so that the condition of violent fluctuation of the monitoring liquid bag is effectively avoided, the state restoration of the monitoring liquid bag is facilitated, the recalibration time of the monitoring device is effectively shortened, the normal work of the monitoring device is quickly recovered, and the accuracy of data acquisition is effectively improved.

The utility model relates to the technical field of angle steel, and discloses an angle steel cold cutting machine which comprises a base, two base bodies are arranged above the base, a frame is installed between the two base bodies, two swing frames are hinged to the inner wall of the frame, and limiting cylinders are rotationally connected to the bottom ends of the two swing frames. The upper surfaces of the two swing frames are each fixedly connected with two first springs, and the other ends of the multiple first springs are fixedly connected with the frame. According to the angle steel cold cutting machine, angle steel of different sizes can be clamped through cooperation of a mounting limiting barrel and a first spring, swing of the angle steel can be limited in the angle steel shearing process through cooperation of a mounting sliding rod, a sliding barrel and a baffle ring, when the angle steel is sheared, impact force can enable the sliding rod to extrude non-Newtonian fluid in the sliding barrel, and the angle steel can be sheared through the non-Newtonian fluid in the sliding barrel. Due to the fact that impact force is rigid, non-Newtonian fluid cannot flow, the swing frame cannot swing, the two ends of the angle steel can be limited, and the two ends of the angle steel are prevented from swinging.

The application provides an anti-explosion underwater soft robot, and belongs to the field of robots.The problem that high transient energy of underwater explosion easily causes damage to internal components and circuits is solved.The anti-explosion underwater soft robot comprises a flexible circuit layer, a plurality of circuit modules are arranged on the flexible circuit layer, and the circuit modules are flexibly connected; a non-Newtonian fluid buffer layer is wrapped outside the flexible circuit layer; an elastic buffer layer is wrapped outside the non-Newtonian fluid buffer layer; and a driving unit is connected with the elastic buffer layer and used for driving the robot to move.The anti-explosion underwater soft robot is mainly used for underwater safety detection and underwater resource exploration.

The present invention discloses a gourd-shaped hole expanding device based on non-Newtonian fluid and a hole expanding method. The gourd-shaped hole expanding device based on non-Newtonian fluid includes a hole expanding rod, a first pressing rod, a first elastic rod, a second pressing rod and a second elastic rod. A plurality of placing grooves are provided on the outer peripheral wall of the hole expanding rod. The first pressing rod is connected to the first end of the hole expanding rod, and the first pressing rod is axially slidable along the hole expanding rod. Both ends of the first elastic rod are respectively connected to the first pressing rod and the hole expanding rod, and non-Newtonian fluid is filled in the first elastic rod. The second pressing rod is connected to the second end of the hole expanding rod, and the second pressing rod is axially slidable along the hole expanding rod. Both ends of the second elastic rod are respectively connected to the second pressing rod and the hole expanding rod, and non-Newtonian fluid is filled in the second elastic rod. The gourd-shaped hole expanding device based on non-Newtonian fluid of the present invention expands the anchor hole and makes the cross-sectional shape of the expanded anchor hole be two arc-shaped surfaces, increasing the hole expanding volume and improving the anchoring force and shear resistance.

The invention discloses a terrain-adaptive high-efficiency mountain photovoltaic support structure, which is applied to the technical field of photovoltaic supports, and can be matched with a positioning assembly, an adaptive assembly, a mounting assembly, a reset assembly and a fixing assembly by arranging a guide mechanism and a buffer assembly, and is mounted in the ground of a mountain terrain through the buffer assembly; when being influenced by an instant external force from the ground, the positioning assembly can resist the instant external force through the internal structure of the positioning assembly and the limiting of the non-Newtonian fluid, and the positioning assembly can support and limit the adaptive assembly and bear the external force brought by the adaptive assembly. The adaptation assembly can adapt to the change of the reset assembly and the fixing assembly along with the direction of the limiting mechanism, the installation assembly can support and limit the photovoltaic equipment needing to be supported and can adapt to the angle needed by the photovoltaic equipment for adaptive adjustment, and the reset assembly can be matched with the fixing assembly to apply instant external force to the limiting mechanism.

The invention discloses a non-Newtonian fluid-based particle and biomolecule stepping separation method and device. Through microstructure arrangement of the non-Newtonian fluid, particles and biomolecules which cause different shear rates have blocking and passing characteristics, molecules with different volumes and different charge quantities are separated under the action of a square wave electric field, or molecules with different volumes and different charge quantities are separated under the action of a uniform gradient square wave magnetic field. The invention relates to a method for separating particles with different ferromagnetism or biomolecules combined with magnetic microbeads. Comprising a non-Newtonian fluid and a carrier thereof, a square wave electric field for providing power and a corresponding electrode or a magnetic field generator, and a support carrier for accommodating particles and biomolecules. After the particles and the biomolecules are separated in the square wave electric field for a period of time, the electric field intensity is changed, the second type of particles or biomolecules are separated, and the electric field intensity is sequentially switched according to the number of components to be separated, so that the separation purpose is achieved.