136 results about "Mechanical pressure" patented technology

The invention discloses a threaded nylon explosion-proof pressure-relief waterproof breathable connector which comprises a connector shell, a mounting ring is fixedly connected in the connector shell, the mounting ring is slidably connected with a breathable base, the breathable base is bonded with a breathable film, the breathable base is detachably connected with a gland, the breathable base is sleeved with a pressure spring, and the pressure spring is fixedly connected with the connector shell. The end portion of the ventilation base is detachably connected with an end face elastic buckle, the two ends of the compression spring are fixedly connected with the end face elastic buckle and the installation ring respectively, and the connector shell is provided with an extrusion structure. According to the invention, dual channels of normal micro ventilation of the breathable film and mechanical pressure relief driven by the spring are integrated. Under normal pressure difference, gas is exchanged through the gas-permeable membrane to keep pressure balance and prevent water and dust; when the internal pressure rises suddenly, the air pressure can push the ventilation base to compress the spring, so that the spring is separated from the O-shaped sealing ring, a larger pressure relief channel is opened up instantly, the explosion-proof response is sensitive, and the safety guarantee is more comprehensive.

The utility model relates to the technical field of hydraulic cylinders, in particular to a high-precision mechanical electric locking oil cylinder which comprises a cylinder barrel and a piston rod, the piston rod is inserted into the cylinder barrel and is in sliding fit with the cylinder barrel in the axial direction of the cylinder barrel, and the piston rod is hollow; the nut is connected to the end, located in the cylinder barrel, of the piston rod. The screw rod is inserted into the piston rod, the screw rod is in running fit with the nut, and the screw rod is hollow; the rocker is rotationally arranged in the cylinder barrel, and the rocker is inserted in the screw rod and is in sliding fit with the screw rod in the axial direction of the cylinder barrel; the driving device is arranged at the bottom of the cylinder barrel and used for driving the rocker to rotate; and the sensor assembly is used for oil pressure of the rodless cavity in the cylinder barrel, and the sensor assembly is electrically connected with the driving device. When a hydraulic system loses efficacy, the oil cylinder can automatically carry out mechanical pressure maintaining by monitoring the pressure change of the cavity in real time, and therefore it is guaranteed that the whole filter pressing period is completely carried out.

The application discloses a flexible strain sensor, a preparation method and a deep-sea equipment structure health monitoring system. The flexible strain sensor comprises a flexible packaging layer, a composite conductive network structure packaged in the flexible packaging layer, at least one first conductive layer and at least one second conductive layer, wherein the first conductive layer is a conductive layer with a compact connection structure after mechanical pressure treatment, the second conductive layer is a conductive layer with a loose stacking structure without mechanical pressure treatment, and a conductive part electrically connected with the composite conductive network structure and led out. The application realizes the unity of ultrahigh strain sensitivity and high signal stability through the synergistic mechanism of macroscopic cracks and network microcracks generated by the two types of conductive layers under strain, and simultaneously endows the sensor with excellent flexibility and conformal attachment capability, so that the sensor can accurately collect the small strain signals on the surface of the deep-sea equipment structure and is suitable for the monitoring of the health of the deep-sea equipment structure.

The embodiment of the utility model provides an intelligent adjusting structure system for a pressure reducing valve, and relates to the technical field of fluid conveying, the intelligent adjusting structure system comprises an adjusting structure and an electrical control system, the adjusting structure comprises a pressure reducing valve body, a pressure gauge is installed on one side of the pressure reducing valve body, and a fixing support is fixedly installed on the top face of the pressure reducing valve body; a motor is installed on the top face of the fixing support and connected with the pressure reducing valve body through a coupler. Through transformation of a traditional mechanical pressure reducing valve and application of an intelligent control technology, the problem that the pressure reducing valve cannot be intelligently adjusted is solved; the system mainly comprises a pressure reducing valve, a motor, a pressure gauge, a programmable controller, a wireless transmission terminal, a relay, an electrical control basic element and the like, has the advantages of convenience in transformation, low cost, high automation degree and the like, and can be fully applied to the pressure reducing valve of fluid in the fields of water conservancy, agriculture, municipal administration, environmental protection, chemical industry, fuel gas and the like to realize intelligent control and adjustment.

The invention belongs to the technical field of tin alloy target material pouring, particularly relates to a tin alloy target material pouring method and equipment for inhibiting shrinkage cavity and composition segregation, and provides the following scheme aiming at the core problems of volume shrinkage and composition segregation during solidification, easy target material shrinkage cavity, shrinkage porosity and nonuniform composition in tin alloy pouring: a vacuum induction melting furnace is adopted; a feeding box is arranged at the top end of the vacuum induction melting furnace, an out-furnace pipeline is fixedly connected to the outer side of the vacuum induction melting furnace, and an external furnace is arranged at the bottom end of the out-furnace pipeline. The tin alloy target material pouring method and equipment for inhibiting shrinkage cavities and composition segregation have the advantages that the pressure sealing cake applies constant low-pressure mechanical pressure to melt in the mold, the melt is forced to continuously shrink and feed in the solidification process, gaps formed by volume shrinkage are directly filled, shrinkage cavities and shrinkage porosity are reduced to the maximum extent, and the casting quality of the tin alloy target material is improved. And the use effect of the internal density of the target is improved.

The invention relates to the technical field of mechanical pressure gauge accessory production equipment, in particular to cold punching and stretching equipment for mechanical pressure gauge accessories. A cold punching table is constructed on a fixed base, an air cylinder body is arranged in the middle of the cold punching table to drive a pushing plate to drive a bottom die assembly to conduct reciprocating forming, a forming power source and a bottom die bearing form a directly-connected stress path, and displacement accumulative errors and working condition fluctuation introduced in the middle transmission link are reduced; meanwhile, a punching assembly composed of a height frame, a sliding rod and a lifting table is arranged on one side of the cold punching table, the lifting table is guided and restrained through the sliding rod, the top die assembly keeps a more stable movement track in the downward pressing and return stroke process, the deflection and clamping stagnation probability of the top die relative to the bottom die is reduced, and the production efficiency is improved. Therefore, the matching state of the top die and the bottom die is easier to maintain; and the demolding assemblies are arranged on the two sides of the bottom mold table, so that the separation process of the formed workpieces is controlled, and the stability and batch consistency of cold punching and stretching operation of the mechanical pressure gauge accessories are improved.

The application discloses a power cable stripping device and belongs to the technical field of power construction tools. The stripping device comprises a guide frame, a stripping frame, a driving motor, a screw rod and a pressure sensing and stripping mechanism. During operation, the driving motor synchronously drives the upper die and the lower die in the guide frame to move towards each other through a gear and toothed plate linkage mechanism, clamps and lifts the cable, and ensures that the cable is parallelly fed into the stripping station. In the stripping frame, the rotating screw rod drives the lifting seat to press down, and the cutting disc contacts the cable. The pressure sensing mechanism extrudes the elastic pad block with the pressure sensor inside through the pressing block, converts the mechanical pressure into an electrical signal in real time, and transmits the electrical signal to the PLC processor, so that the accurate monitoring and regulation of the cutting pressure are realized. The application ensures smooth feeding through mechanical linkage, realizes accurate control of the cutting depth by using pressure feedback, effectively avoids the problems of repeated operation or damage to the conductor caused by too shallow or too deep cutting in the traditional stripping process, and improves the efficiency and safety of the stripping operation.

The utility model provides a kind of instrument hairspring placing table, it is related to instrument hairspring placing table technical field, including operation platform, the operation platform top is equipped with placing base and moving base, multiple placing grooves are opened in the placing base, each placing groove is equipped with positioning assembly, moving base is connected support column by moving assembly, the support column front side is equipped with first electric push rod, the output end of first electric push rod is connected fixed base, by the design of positioning assembly, utilize the cooperation of inner pile positioning seat and outer pile positioning seat electromagnet adsorption fixed hairspring two ends, can realize the stable fixation of inner pile and outer pile of hairspring under the premise of not exerting mechanical pressure, effectively avoid the hairspring distortion or damage caused by traditional clamping mode, ensure that plane vortex circle is detected in natural unfolding state, provide reliable basis for accurate analysis of hairspring deformation.

An apparatus and method for joining pipes includes a plate for melting mating surfaces of the pipes to be joined. Additionally, the apparatus utilizes a vacuum in order to push the first and second pipes together in lieu of hand or mechanical pressure which may be inconsistent. Additionally, the vacuum allows the pipes to be joined to settle on each other in order to create a pressure about a periphery of the end of the pipe being joined to the other pipe. The consistent pressure creates a very strong joint between the first and second pipes.

This application relates to an embedded RFID tag packaging device and its packaging process, belonging to the field of radio frequency identification tag manufacturing technology. It includes: a base fixing support for supporting the main body of the device; a turntable sorting module disposed on the main body of the device for conveying and positioning the substrate to be packaged; a dual-mode pressure control unit for acquiring the material characteristics of the substrate and controlling the device to switch between contact pressing and non-contact suspension modes to apply packaging pressure; and a thermal coupling compensation mechanism disposed at the packaging station for temperature regulation of the packaging interface and precise displacement compensation combined with piezoelectric drive. This application utilizes the cooperation of the dual-mode pressure control unit and data acquisition sensors to obtain the substrate hardness in real time using piezoelectric detection technology and switches the execution mode accordingly. For hard substrates such as metals, the device adopts a contact pressing mode to output sufficient mechanical pressure to ensure uniform adhesive layer spreading and bonding strength.

The present application relates to the technical field of hydraulic pump, particularly relates to a plunger pump. The plunger pump comprises a motor, a pump body, a rotating shaft assembly, a piston assembly and a pressure relief assembly. The rotating shaft assembly comprises a rotating shaft, a cam and a booster block. The cam and the booster block are sleeved on the rotating shaft. The plunger pump has a booster position and a pressure relief position. In the booster position, the motor drives the rotating shaft to rotate forward, the cam is unlocked in the circumferential direction from the rotating shaft, and the booster block is locked in the circumferential direction on the rotating shaft. In the pressure relief position, the motor drives the rotating shaft to rotate reversely, the cam is locked in the circumferential direction on the rotating shaft, and the booster block is unlocked in the circumferential direction from the rotating shaft. The piston assembly comprises a piston cylinder and a piston rod. The end of the piston rod, which extends out of the piston cylinder, is in contact with the booster block. The pressure relief assembly comprises a pressure relief cylinder, a pressure relief rod and a reset member. When the rotating shaft rotates reversely, the cam drives the pressure relief rod to move in the axial direction against the elastic force of the reset member, so as to open the pressure relief port. The present application adopts mechanical pressure relief. The parts are stable and reliable under high pressure and are not easy to be damaged.

This application relates to a rotational sensor for an injection device, and more particularly to a rotational sensor for an injection device, the rotational sensor comprising: - a rotatable element configured for mechanical engagement with a ratchet mechanism, the rotatable element including an outer rim and a hub and configured to transmit torque between the outer rim and the hub; - at least one sensor attached to the rotatable element and configured to measure at least one of mechanical force, mechanical pressure, or mechanical strain at a portion of the rotatable element during rotation of the rotatable element; - a processor connected to the at least one sensor and configured to calculate a rotation angle of the rotatable element based on the sensor output of the at least one sensor.

MLG (Multilayer Graphene) device layer structure is connected by vias. The structure includes an M1 MLG interconnect device layer on a dielectric layer. An interlayer dielectric separates the M1 MLG interconnect device layer. An M2 MLG interconnect device layer lies on the interlayer dielectric. Metal vias penetrate the M2 MLG interconnect device layer, the interlayer dielectric, and the M1 MLG interconnect device layer, forming edge contacts across the thickness of the M1 and M2 MLG layers. The MLG layer is formed by depositing MLG on a dielectric or metal layer by applying mechanical pressure at a diffusion temperature to diffuse carbon from a solid-phase graphene precursor through a catalyst layer.

The invention relates to the technical field of liquefied natural gas filling, and discloses marine LNG fuel filling equipment which is used for solving the problem that after filling, residual LNG in a metal braided hose is gasified, high pressure is caused, and safety accidents are caused by blind disassembly of a flange. The device comprises a liquefied natural gas filling gun, a metal braided hose, a straight pipe and a low-temperature valve, and is characterized in that a round cover and a mechanical pressure linkage locking mechanism are additionally arranged. The round cover sleeves the joint of the second flange and the fourth flange, the pipe barrel is fixed outside the straight pipe, and the inside of the barrel is communicated with a pipeline through a small hole. When the pressure in the hose rises, gas pushes a piston in a pipe barrel to compress a spring, a positioning rod is inserted into an insertion rod positioning hole of a round cover, the round cover is automatically locked to cover a flange face, and disassembly is physically prevented; after the pressure is released, the spring resets, and locking is relieved. Automatic protection of pressure locking and non-pressure dismounting is achieved through a pure mechanical structure, manual pressure judgment is not needed, and safety and reliability are remarkably improved.

The application provides an electronic ophthalmic endoscope, and belongs to the technical field of endoscopes. The electronic ophthalmic endoscope can effectively observe the posterior region of an eyeball. The electronic ophthalmic endoscope comprises a handle, an insertion part arranged at the front of the handle, and a camera module. The insertion part is curved into an arc shape as a whole, the curvature of the arc shape is matched with the outer contour of the eyeball, and the cross section of the insertion part is flat. The arc-shaped insertion part can enter along the surface of the eyeball in a ring shape during use, so that the front end can reach the posterior region of the eyeball. A light guide fiber delivers light emitted by a light source to the head end part, illuminates the observation part, and clearly and timely visually observes the posterior region of the eyeball and the running path through the camera module. Compared with a cylindrical structure, the electronic ophthalmic endoscope can effectively reduce the height of the support from the surrounding tissue of the eyeball, reduce the mechanical pressure on the sclera and the adjacent soft tissue, and improve the operation safety and the comfort of the patient under the same functional size.

The water heating pipe fitting splicing device is composed of a pipe fitting body, a connector and pressure rings, the connector is inserted into the inner wall of the pipe fitting body in an interference fit mode to ensure initial positioning firmness, the two slidable pressure rings are arranged on the outer side of the pipe fitting in a sleeved mode and located on the two sides of the connecting position respectively, a driving handle is driven by an operating handle, and the pressure rings are driven by the driving handle. The pressure ring is pushed to move towards the middle, when the pressure ring is pressed, the pipe fitting body can be tightly pressed on the connector, reliable sealing is formed, a plurality of annular grooves are designed in the surface of the connector, pipe fitting materials can be embedded into the grooves in the pressing process, the sealing performance is improved, loosening is prevented, and the whole device is easy to operate and high in practicability. Rapid splicing of pipe fittings can be completed only by pulling the driving handle, no extra tool is needed, the design is particularly suitable for field installation, permanent sealing connection is achieved through mechanical pressure, inconvenience of traditional welding or threaded connection is avoided, the connection strength is guaranteed, and the construction efficiency is improved.

This utility model discloses an OLED substrate encapsulation assembly, comprising: a substrate, a display functional layer fixedly connected to the top of the substrate, and a cover plate snapped onto the top of the substrate; and a stabilizing assembly, the stabilizing assembly including a frame adhesive, the frame adhesive being fixedly connected to the outer sides of both sides of the display functional layer. This utility model improves the adhesion between the frame adhesive and the substrate by utilizing the strong adhesion between the silicon oxynitride layer and the frame adhesive material, thereby improving the encapsulation efficiency of the frame adhesive. Simultaneously, the combination of slots and blocks enhances stability during the assembly of the substrate and the cover plate, preventing detachment and cracking. The frame adhesive further enhances the stability of the overall device assembly process. Furthermore, the electroactive polymer layer can deform under the influence of an electric field. During encapsulation, by controlling the electric field applied to the electroactive polymer layer, the electroactive polymer layer can use mechanical pressure to expel residual gas from the encapsulation cavity between the display functional layer and the cover plate.

The utility model relates to the technical field of vacuum infusion, and discloses a composite material vacuum infusion device which comprises a mold table, an infusion cavity is formed in the top face of the mold table, a glass fiber felt is attached to the inner bottom face of the infusion cavity, a vacuum bag is attached to the top face of the mold table, and a sealing structure used for improving the sealing performance of the vacuum bag is arranged on the top face of the mold table. The sealing structure comprises a pressing frame arranged above the mold table, and the bottom face of the pressing frame abuts against the top face of the vacuum bag. According to the utility model, through the arrangement of the sealing structure, the plurality of air cylinders extend out synchronously to drive the connecting frame to move downwards so as to drive the pressing frame to press downwards, and when the pressing frame descends in place, the edge of the pressing frame presses and seals the contact area of the vacuum bag and the mold table, so that a stable mechanical pressurization sealing structure is formed; in the process, mechanical pressing of the vacuum bag is achieved by applying external force, the sealing effect in the vacuum infusion process is remarkably improved, and the problem that the material performance is reduced due to leakage is effectively solved.

The utility model discloses a roof waterproof type solar flat plate collector relates to solar flat plate technical field, including outer frame and heat collecting plate, the outer frame is seted up in the mounting groove, the heat collecting plate is installed in the mounting groove, the top edge of mounting groove is seted up with seal groove, the seal groove is connected with sealing strip, the quality of sealing strip is rubber, the inboard of sealing strip and the outside edge of heat collecting plate are in close contact, the outside of sealing strip is butt joint with fastening strip, the outside of fastening strip is butt joint with clamping block, and the clamping block is connected between the inboard wall of fastening strip and seal groove, the utility model discloses through the rotation clamping block and make it connect between fastening strip and seal groove inboard wall, utilize the wedge tight principle of trapezoidal structure, and the fastening strip is pressed inboard tightly. This design can apply the sustained mechanical pressure to rubber sealing strip.

The application discloses a cylindrical dissimilar composite material diffusion welding device and method, which comprises a sealed shell, a vacuum assembly in communication with the sealed shell, a heating assembly arranged on the sealed shell, a centrifugal pressure assembly arranged in the sealed shell and rotationally matched with the inner wall of the sealed shell, and a transmission assembly connected with the sealed shell, wherein the power output end of the transmission assembly extends to the inside of the sealed shell through the side wall of the sealed shell and is in transmission connection with the centrifugal pressure assembly. Compared with the prior art, the application can overcome the shortcomings of uneven radial pressure distribution of the pipe material, deformation of the tubular structure caused by mechanical rigid extrusion, and difficulty in considering the high-temperature and high-vacuum operation environment of the complex mechanical pressure die, improve the diffusion bonding quality of the material interface, enhance the size precision of the pipe material forming, and improve the running stability of the welding device under an extreme heat field.

The invention relates to the technical field of magnetic material preparation, in particular to an annular rubber magnet preparation method and an annular rubber magnet, and the method comprises the following steps: cutting a sheet material into strips to form a plurality of rubber magnetic strips; the rubber magnetic strips are placed in a first cold pressing mold to form a staggered distribution annular state; performing primary cold pressing processing on the rubber magnetic strip, so that the two ends of the rubber magnetic strip are jointed, and a conical annular rubber magnet with an inclination angle of 30-45 degrees is formed; performing secondary cold pressing processing on the conical annular rubber magnet to form an annular rubber magnet; and carrying out hot pressing treatment on the annular rubber magnet so as to vulcanize and shape the annular rubber magnet. The annular rubber magnet has the effects that the utilization rate of raw materials can be increased, the hardness of the annular rubber magnet can be reduced, the flexibility of the annular rubber magnet can be improved, meanwhile, the sheet-shaped magnetic powder orientation is achieved through the mechanical pressure in the pressing process, and the magnetization effect of the material magnetic powder is improved.

The invention belongs to the technical field of ceramic welding, and discloses a repairing method for a ceramic fracture, a repairing piece manufactured through the repairing method and application. The method comprises the following steps: mixing silicon powder and PVA (Polyvinyl Alcohol), and spraying the mixture on the surface of a ceramic fracture to obtain a silicon active micro-coating; boron powder, silicon powder, graphite powder and phenolic resin are mixed, then a solvent, an adhesive and a defoaming agent are added, and the welding flux is prepared; then, the surface of the silicon active micro-coating is coated with welding flux, the ceramic sections are aligned and combined, then pressure is applied for fixation, silicon powder is placed on the periphery of a weld joint, and a to-be-repaired piece is obtained; and applying external mechanical pressure of 0.02-0.1 MPa to the repaired part, and performing stepped heat treatment in a nitrogen atmosphere of 0.05-0.5 MPa to prepare the ceramic repaired part, thereby realizing welding repair of the ceramic fracture. The ceramic repairing part has excellent wear resistance and corrosion resistance and can be applied to the fields of metallurgy, grinding tools and the like.

The invention discloses a device and a method for repairing an inner heat insulation layer of a fiber-wound solid rocket engine shell, relates to the field of composite shell repairing, and solves the problem of defects caused by discrete heat insulation forming process on the inner surface of the shell. A base is arranged at an opening in the bottom of a repairing shell, and a supporting shaft is arranged on the base; a rotating block is arranged on the supporting shaft, and a repairing arm and a supporting arm are arranged on the rotating block; the repairing arm comprises an unfolding rotating block, a pressurizing structure, a pressurizing plate and an end pressurizing arc plate; the other end of the unfolding rotating block is connected with the pressurizing structure; the pressurizing structure, the pressurizing plate and the end pressurizing arc plate are sequentially connected, and the end pressurizing arc plate is attached to the inner surface of the repairing shell; and a heater is arranged in the pressurizing plate. The method that axis positioning is adopted, and the mechanism can be unfolded and folded is adopted, and the device is suitable for mechanical pressurization and heating of a heat insulation layer with the heat insulation problem of a small-diameter open cylinder body section; and the requirements of cold and hot repair of the defects of the heat insulation layer in the solid rocket engine shell are met.

Biofeedback training device for supporting trunk muscle activation, comprising a base element (1) with at least one sensor unit (2) for detecting a mechanical pressure effect by the user and an output unit coupled to the sensor unit (2) for generating a sensorily perceptible signal, characterized in that the output unit is configured to output a haptic signal by means of a vibration sensor (5) and / or an optical signal by means of at least one light source (6) when a predefined threshold value of the mechanical pressure effect is reached.

The invention discloses a rolling auxiliary method for reducing residual stress of an electric arc additive manufacturing aluminum alloy component, and belongs to the technical field of metal additive manufacturing. The method is carried out on line in the arc layer-by-layer deposition process, and comprises the following steps: monitoring the temperature of a just deposited aluminum alloy cladding layer in real time; when the temperature of the cladding layer is reduced to a preset rolling temperature window of 50-250 DEG C, a rolling device is immediately used for applying mechanical pressure to the top surface of the cladding layer for rolling; next layer continues to be deposited, and recrystallization of the rolling area of the previous layer is induced through follow-up thermal circulation; and the process is repeated until the component is finished. According to the method, a specific warm window is selected for rolling, the problems of high-temperature roller sticking and low-temperature cracking are avoided, the thermally induced tensile stress is directly counteracted by utilizing mechanical pressure, and grains are refined in combination with subsequent thermal circulation, so that effective control over residual stress and deformation, equiaxed transformation of a thick columnar crystal structure and improvement of internal density are synchronously achieved.

The utility model discloses a cone drill rig fixing and supporting device stable in supporting, belongs to the technical field of surface mine cone drill rig equipment, and is used for fixing and supporting a surface mine cone drill rig. According to the technical scheme, the lower end of a high drilling frame is fixedly connected to a bottom platform of a cone drill, a high drilling frame supporting seat is installed at the upper end of the high drilling frame, the upper end of a back pull rod is connected with the upper portion of the high drilling frame, and the lower end of the back pull rod is obliquely fixed to the bottom platform of the cone drill. The drill stand fixing traction device and the cable winder are fixedly connected to one end of the cone drill bottom platform, the lower end of the fixing supporting rod is fixedly connected to the joint of the lower end of the high drill stand and the cone drill bottom platform, and the rod body of the back pull rod is sleeved with a lantern ring at the upper end of the fixing supporting rod. According to the utility model, the failure rate of the back pull rod and the high drill stand structure is reduced, the mechanical pressure of the drill stand fixing traction device and the probability of hidden trouble faults caused by the problems of mechanical structure damage and the like are reduced, and guarantee is provided for efficient work and stable operation of the rotary drill.

This utility model provides a multi-stage circulation system water pump linkage device based on mechanical pressure feedback, belonging to the technical field of water pump linkage devices. It includes a linkage mechanism comprising a housing, inside which a rectangular plate is fixedly installed. A telescopic rod is fixedly installed on the top of the rectangular plate, and a floating plate is installed on the bottom of the telescopic rod. In this utility model, when the container is full of water, the water pressure increases, causing the floating plate to move upwards. The floating plate, through a mounting bracket, drives the linkage rod to rotate, causing the top rod to press down on a switch, closing the circuit. When water needs to be stored, the water pressure decreases, the spring resets, the floating plate resets, and the top rod moves upwards, no longer pressing the switch, opening the circuit. This solves the problems of high latency and high failure rate in traditional multi-stage water pump systems, which rely on electronic sensor control. The utility model provides a multi-stage circulation system water pump linkage device based on mechanical pressure feedback.

The invention provides an automatic feeding device and method for continuous paint dipping of a winding type iron core, the automatic feeding device comprises a dip dyeing seat, and further comprises a material conveying device and a feeding device which are arranged on one side of the dip dyeing seat, and a dip dyeing device is arranged on the dip dyeing seat; the dip-dyeing device comprises an opening and closing assembly, an overturning assembly, a storage assembly, a pressurizing assembly, a hydraulic output assembly and a paint liquid guide assembly which are arranged on a dip-dyeing tank, through a vacuum-mechanical pressurizing and continuous dip-drying structure, the dip-dyeing period is fundamentally shortened, the production efficiency is improved, and by means of the multi-physics field cooperation and dynamic overturning technology, the dip-dyeing efficiency is improved. Compared with the prior art, bubble dead zones are thoroughly eliminated, it is ensured that paint film adhesion is uniform and free of defects, the insulation performance and the product quality of the iron core are remarkably improved, through full-process automation and high-integration design, labor dependence and operation difficulty are remarkably reduced, meanwhile, the equipment structure and energy utilization are optimized, and the comprehensive operation and production cost is effectively reduced.

The application discloses a micro electric propulsion storage and supply system, characterized in that the system comprises a storage module, a pressure regulating module, a flow regulating module, a power module and a control module, wherein the storage module, the pressure regulating module and the flow regulating module are sequentially connected through stainless steel pipelines, and the modules and the pipelines are connected through standard sleeves; the power module supplies power to the pressure regulating module and the flow regulating module, and the control module realizes pressure and flow control. The system adopts a combination of a miniature mechanical pressure reducing valve and a pressure sensor as the pressure regulating module, realizes smaller volume and mass relative to a Bang-Bang type, and has lower cost relative to a proportional type, so that balance is achieved between the reduction of the volume and mass of the system and economy; the flow regulating module adopts a pasting mode of a capillary tube and a silicon rubber heating belt, so that the silicon rubber heating belt can be directly pasted to the metal capillary tube, and an outer shell of the capillary tube is not needed, thereby reducing the volume and mass of the module and improving the heating efficiency.