81 results about "Fast filling" patented technology

The invention relates to the technical field of high-pressure hydrogen storage of hydrogen fuel cell automobiles, and provides a high-pressure hydrogen storage bottle opening combination valve with a streamline runner and a control method. The combination valve integrates a high-pressure stop valve, a two-way flow regulating valve, a filter and a pressure / temperature / flow sensor, an air supply channel, an air inflation channel, a discharge channel and a cooling channel are designed, and the air supply channel and the air inflation channel are provided with a common rail type channel. A pilot-operated pressure reducing valve and a main runner bidirectional flow regulating valve are additionally arranged on the gas supply channel to form a two-stage pressure reducing system, so that the pressure and flow of hydrogen at an outlet are effectively limited, and the hydrogen is safely conveyed to a fuel cell; a redundant one-way valve is additionally arranged on an inflation channel to achieve rapid filling. Flow resistance and turbulent flow dissipation are remarkably reduced through a streamline channel, a sealing interface is reduced through modular integration, actuation response and power density are improved, and safety and stability of pressure reduction gas supply and high-pressure filling working conditions, intrinsic safety of the system and reliability of the whole life cycle are ensured.

The utility model belongs to the technical field of flood control devices, and particularly relates to a flood control device convenient and fast to fill, which comprises a flood control device body, the flood control device body comprises a flood control blocking box, a filling groove is reserved at the top of the flood control blocking box, and a handle is fixedly connected to the inner wall of the filling groove. The top of the flood prevention blocking box is provided with a splicing hole, the bottom of the flood prevention blocking box is in threaded connection with an insertion rod, the surface of the flood prevention blocking box is fixedly connected with a sealing mechanism, the sealing mechanism comprises a bottom sealing gasket, and the surface of the bottom sealing gasket is fixedly connected with the bottom of the flood prevention blocking box; according to the anti-flood wall, a user can conveniently and rapidly fill the interiors of the filling grooves through the arranged anti-flood blocking boxes, the anti-flood blocking boxes can be rapidly spliced into the anti-flood wall body through the splicing holes, the inserting rods, the clamping grooves and the clamping blocks, meanwhile, splicing seams are sealed through the bottom sealing gaskets and the side face sealing gaskets, and therefore the anti-flood wall body is formed. And the use convenience of the flood control device is improved.

The present disclosure relates to a quick fill device for use with a valve assembly, and related methods of filling a pressure vessel. A valve assembly that can be secured to a pressure vessel includes a vessel, a fill valve, and an overfill valve. A preferred example of the device includes a body, a valve trigger pin, a vent trigger pin, and a handle. A valve engagement end of the body can be releasably secured within the vessel. At this point, moving the handle to an open position causes the valve trigger pin to force the fill valve to an open configuration, and causes the vent trigger pin to force the overfill valve to a fluid venting configuration. A rigid fill tube is in fluid supply communication with a fuel supply port of the body. The fill tube and the handle can be elongate, and extend in a common direction.

The utility model relates to the technical field of capsule processing, in particular to a capsule filling machine which comprises a processing table, a telescopic pipe, an electric turntable, a lower capsule seat and a covering mechanism, the top end of the machining table is rotationally connected with an electric rotating frame. The telescopic pipe is connected with the output end of the filling assembly. The flow dividing pipe is adjustably connected with the top end of the electric rotating frame through an electric push rod. The two electric turntables are symmetrically and rotationally connected to the top end of the machining table; the covering mechanism is adjustably installed on the electric rotating frame and is far away from the flow dividing pipe, an upper capsule base is detachably installed on the covering mechanism, and a plurality of sets of capsule holes are evenly formed in the upper capsule base. The electric rotating frame rotates along the processing table, the filling assembly and the flow dividing pipe can be driven to rapidly fill the capsule A part on the lower capsule base, the pressing mechanism can be conveniently driven to press the capsule B part in the upper capsule base and the filled capsule A part, medicine powder is prevented from being polluted, the working continuity is high, and the working efficiency is high. The filling efficiency is improved.

The utility model discloses an air chamber shunting joint structure which comprises an air ring, a plurality of shunting pipes and an air cylinder, an air inlet is formed in the front end of the air cylinder, a plurality of exhaust pipes are formed at the rear end of the air cylinder, an air guide cavity is formed in the air cylinder, and the air guide cavity is respectively connected with the air inlet and the exhaust pipes. According to the structure, the air duct is arranged to input cooled air, and then the air in the air duct is shunted and conveyed into the air ring through the shunting pipes, so that the air can be shunted to enter the air ring, the air can uniformly enter the air ring from multiple angles, the air can be ensured to quickly fill the air ring after entering the air, the air in the air ring flows uniformly, and the service life of the air ring is prolonged. Therefore, air can be evenly output from the air outlet of the air ring and evenly cools the film passing through the cooling opening, the cooling effect of the film is good, and the whole structure is practical and reliable.

The application provides an aluminum alloy cored foaming welding wire and a preparation method thereof, and belongs to the technical field of aluminum alloy welding wire production. The application utilizes the principle of thermal decomposition and gas release of the foaming agent in the aluminum alloy foaming welding wire to generate uniform bubbles in the aluminum alloy molten pool, and obtains a porous welding seam with uniform pores through rapid cooling of the molten pool, thereby realizing wide-gap welding repair foaming filling and functional strengthening effect. Compared with the existing aluminum alloy welding wire, the application can realize rapid filling and connection of the welding seam area after aluminum alloy material welding, and the welding seam filling area presents a typical porous morphology; the application can realize direct welding of lightweight porous aluminum alloy material, avoids solidification of the welding seam area, and is helpful to lightweight design; the application can realize welding foaming filling of a metal component cavity, can greatly improve the cavity filling efficiency due to the molten pool foaming, and endows the formed metal component with damping and vibration reduction functions; and the application can be used as an additive manufacturing welding wire, and can directly perform additive preparation forming of the porous aluminum alloy material.

The utility model relates to the technical field of drilling fluid filling in drilling operation, in particular to a sealing assembly for filling a drilling fluid liquid additive and a quick filling device. The drilling fluid liquid additive rapid filling device comprises a support, a slurry preparing hopper is arranged on the support, the lower end of the slurry preparing hopper is connected with a conveying pipeline, a sealing assembly is arranged at the upper end of the slurry preparing hopper, a sealed space is formed in the slurry preparing hopper, the sealing assembly comprises a sealing plug, and the sealing plug is inserted into the slurry preparing hopper and matched with the slurry preparing hopper in a sealed mode. A through hole penetrating through the sealing plug is formed in the sealing plug, and a connecting structure used for being connected with an auxiliary conveying pipe is arranged at the through hole. The sealing plug is in sealing fit with the slurry preparing funnel so as to form a sealed space in the slurry preparing funnel, the sealing plug is connected with the additive conveying pipe, liquid additives can be sucked into the slurry preparing funnel through suction force of the sand pump and continue to be conveyed to an external drilling well through the conveying pipeline on the downstream portion of the slurry preparing funnel, operation is very convenient, the filling efficiency can be greatly improved, and the cost is reduced. And the safety is better.

The utility model provides a kind of air supplementing device of single-stage octagonal magnetron sputtering machine, including external air pipe, gas disperser and metal sealing joint, external air pipe gas inlet end is divided into fast filling branch and slow filling branch, the first diaphragm valve and the second diaphragm valve are respectively arranged in fast filling branch and slow filling branch, for independent control branch on-off, gas control knob is located in the input end of second diaphragm valve, for accurately setting left branch gas flow, external air pipe output end is sealed into cavity, gas disperser is arranged in external air pipe output end, dense small gas holes are arranged in the input end of gas disperser, for evenly diffusing gas and preventing cavity bottom particles from lifting and damaging wafer, the device can accurately supplement air to balance air pressure inside and outside cavity, facilitate safe opening valve, and air supplementing can effectively protect wafer.

This invention relates to the field of demolding technology for injection molding equipment, specifically disclosing a demolding device for an injection molding machine with a blower handle. The device includes a base plate, with slide rods symmetrically fixedly connected to the upper surfaces of both sides of the base plate. The slide rods are arranged in pairs, and sliding plates are slidably connected to each slide rod. By setting up a transfer cavity, the device can help quickly fill the mold during injection molding, reducing injection cycle time and thus improving production efficiency. Simultaneously, the transfer cavity can better control the temperature of the raw material, ensuring that the material is injected in its optimal state, thereby improving product quality. Furthermore, by setting up a spiral plate, spiral conveying can be achieved, ensuring that the raw material is uniformly mixed before entering the mold. This helps reduce air bubbles and unevenness in the raw material, thus improving product quality. At the same time, spiral conveying can provide stable pressure, which is crucial for ensuring uniform filling of the raw material in the mold and helps reduce product defects.

The utility model relates to the technical field of instrument protection, in particular to a petroleum wellhead instrument heat preservation protective cover. The petroleum wellhead instrument heat preservation protective cover comprises a protective box, a rotationally-connected box door is installed on the front box face of the protective box, and a wire inlet hole is formed in the side wall of the protective box; and a sealing part is arranged in the wire inlet hole. Compared with a traditional sealing plaster or anti-explosion sealing joint which seals a wire inlet hole formed in the side wall of the protection box, the heat preservation protection cover for the petroleum wellhead instrument has the advantages that the annular elastic liquid bag is of an elastic structure, and the expanded annular elastic liquid bag can rapidly fill a gap between a pressure guide pipe and a threading pipe and achieve sealing of the gap; cold air outside the protection box is effectively prevented from entering the protection box through a gap, the annular elastic liquid bag of an elastic structure solves the problem that sealing of the annular elastic liquid bag fails due to vibration of the pressure guiding pipe or the protection box in the structural form, and meanwhile the annular elastic liquid bag can adapt to pressure guiding pipes with different diameters.

The utility model discloses a winged part mould relates to mould technical field, including upper mould, the inside fixedly connected with forming assembly of upper mould, the bottom fixedly connected with lower mould of forming assembly, the inside of lower mould is provided with resilience subassembly, the top of upper mould is provided with injection moulding hole, and forming assembly includes male die. This winged part mould is driven male die to go down by upper mould, makes the precise clamping of male block and recess, positioning column and positioning groove, can rapidly and stably fixed cavity, effectively prevents cavity displacement in the injection moulding process, ensures the size accuracy of forming part, through the cooperation of injection moulding hole and glue hole, and the molten plastic can even, quick filling cavity, reduces bubble and material defect such as lack, promotes part quality, and this kind of structure design is reasonable, and the operation is simple, improves production efficiency, and reduces the scrap rate, is helpful to the realization of efficient, high -quality injection moulding production of enterprise, strengthens market competitiveness.

Embodiments of the present disclosure relate to a quick fill valve for a closed loop fluid system. A fluid control system with a quick fill valve for accelerating filling and discharging of a closed loop system to allow temporary opening of the loop to allow filling without a separate vacuum process. The valve operates in two positions: an open position for rapid, unidirectional fluid intake and passive air exhaust; and a closed position for a safe, sealed condition during normal operation. Some embodiments include vacuum-assisted air evacuation in parallel with filling.

The utility model relates to highway crack filling technical field, and disclose a kind of highway crack filling device, including bottom plate;Four universal wheels are fixedly connected in the bottom plate bottom surface;And fixedly connected in the push handle of bottom plate right side surface, the filling assembly is provided in the bottom plate top, the filling assembly surface is provided with adjusting assembly, the filling assembly includes the storage tank in the bottom plate top, the storage tank bottom surface is fixedly connected with four support rods, four the support rod bottom end surface is all fixedly connected with the bottom plate top. Through filling assembly, the position of discharge pipe and the size of discharge port can be conveniently adjusted, so as to adapt to the different shape and size of highway crack, without frequent moving equipment whole, highway crack can be filled quickly, greatly improve filling efficiency, and discharge pipe is designed as telescopic hose and hard tube combination, both ensure the mobility of discharge pipe, also ensure its stability in use process.

The utility model relates to the technical field of liquid filling, in particular to a high-speed sterile double-liquid-level filling valve which comprises a valve cavity, the upper end of the valve cavity is a closed end, the lower end of the valve cavity is a liquid outlet, a first piston, a second piston and a valve element are sequentially arranged in the valve cavity from top to bottom, a buffer spring is sleeved on the second piston, the first piston pushes the second piston to move, and the second piston pushes the valve element to move. The second piston pushes the valve element to move, and the valve element extends into the liquid outlet to limit the liquid outlet amount. The high-speed sterile double-liquid-level filling valve can be flexibly switched between large flow and small flow, and different filling requirements are met. When the flow is large, the piston II independently controls the flow to ensure quick filling; when flow is small, the first piston pushes the second piston and the valve element, the liquid outlet amount is rapidly adjusted, and accurate control is achieved. By means of the design, the filling efficiency and flexibility are remarkably improved. The whole filling valve is made of high-strength and corrosion-resistant materials and is specially designed, so that the stability and the sealing performance of the whole structure are ensured.

The utility model provides a casting device for an air cylinder, and belongs to the technical field of casting. The casting device for the air cylinder comprises a working platform, a material collecting hopper is arranged in the working platform, a material conveying channel is fixedly connected to the outer portion of the working platform, a recycling assembly is arranged in the material collecting hopper and comprises a material conveying motor, a lifting worm, a scattering worm, a sliding top block and a transmission column, and an auxiliary rod is fixedly connected to the interior of the scattering worm. The feeding assembly is arranged outside the conveying channel, the feeding assembly comprises a reset shaft, a top bottom plate and an elastic clamping plate, a side closing plate is fixedly connected to the exterior of the top bottom plate, a fixing shaft is fixedly connected to the exterior of the elastic clamping plate, and a clamping plate is fixedly connected to the exterior of the fixing shaft. The device has the advantages that the silica sand can be quickly scattered and collected after being cleaned, and the silica sand can be quickly filled.

The utility model provides a hot die-casting forming device for processing a graphite boat supporting piece, which comprises a base, a lower die is fixed on the base, an upper die is movably arranged on the top of the lower die, a fixing plate is welded on the side of the upper die, a pushing mechanism is movably arranged on the fixing plate, and a pressing mechanism is arranged on the pushing mechanism. One end of the pushing mechanism is fixedly installed on the base, a fixing bolt is rotationally installed on the fixing plate, one end of the fixing bolt movably makes contact with the side of the pushing mechanism, an air inlet pipe and a feeding cylinder are fixedly installed on the upper mold, and a lifting mechanism is fixedly installed at the top of the feeding cylinder. And a movable disc is mounted on the lifting mechanism. According to the hot die-casting forming device for machining the graphite boat supporting piece, during early-stage feeding, the lifting mechanism pushes the movable disc to move downwards, the movable disc seals the feeding pipe and downwards extrudes a material at the bottom of the feeding barrel at the same time, and all positions are rapidly filled with the material under extrusion of the movable disc for rapid forming.

The application provides a preparation method of aluminum alloy foaming welding wire and belongs to the technical field of aluminum alloy welding wire production. After smelting an aluminum alloy base, a foaming stabilizer and a high-temperature foaming body are added step by step, and the foaming welding wire is prepared through processes such as stirring and mixing, rapid cooling of a casting mold, homogenization annealing, multi-pass extrusion and drawing. Through the technical scheme, the application can realize rapid filling and connection of the welding seam area after aluminum alloy material welding, and the welding seam filling area presents a typical porous morphology. The application realizes direct welding of light porous aluminum alloy material, avoids solidification of the welding seam area, is helpful to lightweight design, realizes welding foaming filling of a cavity of a metal component, can greatly improve cavity filling efficiency due to molten pool foaming, and endows the formed metal component with functions such as damping and vibration reduction. The application can be used as additive manufacturing welding wire and can directly perform additive preparation forming of porous aluminum alloy material.

The utility model relates to the technical field of dust removal fans, in particular to a noise reduction type mine dust removal fan. The noise reduction type mine dust removal fan comprises a butt joint cylinder, an annular embedding groove is formed in the butt joint cylinder, and an elastic wrinkled air bag ring is embedded in the annular embedding groove; a gas storage cavity used for storing gas is formed in the butt joint cylinder, and an abutting assembly is further installed on the butt joint cylinder. According to the noise reduction type mine dust removal fan, the U-shaped rod is pushed inwards, so that the piston ring pushes air in the air storage cavity into the elastic wrinkled air bag ring, the elastic wrinkled air bag ring expands and rapidly fills a gap between the inner barrel wall of the butt joint barrel and the outer pipe wall of the pipeline, and fixed connection between the butt joint barrel and the pipeline is achieved; due to the fact that the expanded elastic wrinkled air bag ring is of an elastic structure, the hidden danger of connection failure or sealing failure of a pipeline in butt joint with the dust removal fan body due to vibration of the dust removal fan body is eliminated in the structural form.

This invention discloses an injection mold for automotive dashboard trim panels, belonging to the field of injection mold technology. The mold includes a fixed mold and a moving mold. The moving mold integrates a cold slug control device, a vacuum exhaust device, and an independent conformal cooling device. The cold slug control device uses side injection and a cold slug well at the gate position to trap the first cold slug entering the mold, eliminating silver streaks on the product surface. The vacuum exhaust device includes a vacuum generator installed on the outer side of the moving mold. Through exhaust holes and grooves on the first insert, it draws the mold cavity to a negative pressure of -0.06 to -0.09 MPa within 0.3 to 1.0 seconds after mold closing, allowing gas to be pre-expelled during rapid filling, preventing trapped air bulging and burning. The independent conformal cooling device provides parallel independent cooling water channels directly connected to the interior of the gate insert for each second insert, without bridging by other mold plates, achieving rapid and precise cooling of the gate area and solving the problem of gate whitening.

The invention discloses an aero-engine starting fuel oil way structure which comprises an oil supply guide pipe, a pipe connecting piece, a starting main pipe guide pipe, an igniter and a recycling assembly, the pipe connecting piece is connected with the oil supply guide pipe, the starting main pipe guide pipe and the recycling assembly, one end of the starting main pipe guide pipe is connected with the igniter, and the other end of the starting main pipe guide pipe is connected with the igniter. The igniter is installed on an engine combustion chamber casing. Through the arrangement of the throttling nozzle on the pipe connecting piece, rapid filling of fuel oil can be achieved, the fuel oil filling time of a starting oil way is shortened, and rapid ignition of the igniter is achieved; residual fuel oil is blown to an oil leakage tank by designing a blowing guide pipe of the starting main pipe, so that carbon deposition of the fuel oil in a starting nozzle and a pipeline is prevented; a pipe joint pipeline with threads is formed by a jacket nut, a flat pipe nozzle, a pipe joint and a flaring pipe, and reliable sealing connection between the pipe joint pipeline with threads, a four-way pipe joint with a throttling nozzle and a starting nozzle in an igniter is achieved.

The present invention relates to a pneumatic engine that is actuated by a pivoting directional valve with a low-pressure start-up device (1), applied to a pneumatic pump, which may be a double-membrane pneumatic pump or a piston pneumatic pump, which may incorporate either a quick air filling system (2) that improves the filling and emptying of the air chambers, reducing load losses of the filling and emptying conduits, thus increasing the performance of the pneumatic pumps and / or an air savings system (3) which reduces air consumption of the pneumatic pump during its operation. The devices can be applied in a modular manner, that is, the pneumatic engine that is actuated by a pivoting directional valve with a low-pressure start-up device may incorporate both systems, either a quick air filling system (2) or an air savings system (3) or both, as each system can be independently applied.

The invention relates to the technical field of coal mining supporting, and discloses a flexible bag rapid filling system for a working face hydraulic support roof leakage space, which comprises a supporting base assembly, a flexible filling assembly and a power grouting assembly. The supporting base assembly is composed of a plurality of supporting cross beams which are arranged at intervals and stretch across the solid coal and the hydraulic support, and a bearing base is formed. The flexible filling assembly comprises a flexible bag which is arranged above the supporting cross beam and located in the roof caving area. The power grouting assembly pumps grouting materials into the flexible bag through the grouting pipe. The supporting cross beams are used for constructing an artificial roof framework, the folded flexible bag is placed in a caving area and then is grouted, and effective filling and active supporting of an irregular caving space are achieved through the curing expansion characteristic of a grouting material. According to the system, personnel and a dangerous area are isolated, potential safety hazards caused by manual wooden crib building are eliminated, the labor intensity is reduced, continuous collapse of a top plate is effectively prevented, and the stability of a hydraulic support is guaranteed.

The utility model discloses a heat preservation filling structure for a packaging carton, which comprises a filling box, a cover body is movably arranged at the upper end of the filling box, a plurality of adjusting assemblies are fixedly arranged in the filling box, each adjusting assembly comprises a plurality of separating strips, the separating strips are fixedly arranged in the filling box, an air bag is arranged in each separating strip, and the air bag is arranged in the filling box. The number of the air bags is multiple, a through hole is formed between every two adjacent air bags, one air bag is connected with an inflation pipe, the inflation pipe is a hose, a valve body is arranged on the inflation pipe, a convex ring is fixedly arranged at the lower end of the cover body, and a sealing ring is fixedly arranged at the lower end of the convex ring. According to the packing device, the air bag is arranged in the packing box, then the air bag is inflated to quickly fill a plurality of articles, the operation is simple, the packing working efficiency is improved, meanwhile, the filling structure can fix the articles, the phenomenon that the articles shake and collide in the transportation process is avoided, and the transported articles are protected.

The utility model provides a portable grouting device for rapid filling and repairing of road cracks, and relates to the technical field of road crack grouting devices, the portable grouting device comprises a grouting cylinder, the outer surface of the grouting cylinder is provided with a moving mechanism, the moving mechanism comprises a first fixing frame, the outer surface of the first fixing frame is fixedly connected with symmetrical fixing blocks, and the fixing blocks are fixedly connected with the grouting cylinder. Supporting plates are rotatably connected to the inner walls of the two fixing blocks, limiting columns are slidably connected to the inner walls of the two supporting plates, handles are fixedly connected to the top ends of the two limiting columns, and springs are fixedly connected to the side faces, close to the fixing blocks, of the handles. According to the portable grouting device for rapid filling and repairing of the road cracks, through cooperative arrangement of the grouting barrel and the moving mechanism, a supporting plate is turned downwards till moving wheels make contact with the ground, people can push the device to move through fixing legs, and people can conveniently carry the device in the frequent transition process.

The invention provides a high-speed steel part low-temperature quenching heat treatment device, and relates to the technical field of high-speed steel quenching. A stirring motor is installed on the lower side face of the supporting plate, a driving gear is installed on a motor shaft of the stirring motor, and a middle rotating disc is rotationally connected to the supporting plate; a transmission gear is welded to the bottom end of the transmission rotating rod, a stirring sleeve is welded to the top end of the transmission rotating rod, and a stirring plate is welded to the outer side face of the stirring sleeve; the outer side face of the cross-shaped guide frame is slidably connected with an outer supporting frame. Through the arrangement of a driving gear, a middle rotating disc, a transmission gear, a stirring plate and a stirring sleeve, low-temperature oil close to the cooling pipe rapidly flows and fills the peripheral area of the high-speed steel bearing ring; the problem that in the process that a traditional high-speed steel bearing ring part enters a quenching pool, due to the fact that low-temperature cooling oil flows slowly and cannot be rapidly filled and replaced to the bearing ring part, the temperature of oil around the bearing ring part rises, and rapid cooling of the bearing ring part is affected is solved.

The invention provides a preparation method of an aluminum alloy foaming welding wire, which belongs to the technical field of aluminum alloy welding wire production, and is characterized in that after an aluminum alloy matrix is smelted, a foaming stabilizer and a high-temperature foaming body are added step by step, and the porous welding wire is prepared through the processes of stirring and mixing, rapid cooling and casting, homogenizing annealing, multi-pass extrusion, drawing and the like. By means of the technical scheme, rapid filling and connection of the weld joint area after welding of the aluminum alloy material can be achieved, and the weld joint filling area presents a typical porous morphology; direct welding of the light porous aluminum alloy material is achieved, solidification of a weld joint area is avoided, and lightweight design is facilitated; welding foaming filling of a metal component cavity is achieved, due to foaming of a molten pool, the cavity filling efficiency can be greatly improved, and the formed metal component is endowed with the functional characteristics of damping vibration attenuation and the like; the porous aluminum alloy additive manufacturing welding wire can be used as an additive manufacturing welding wire and can be directly used for additive preparation forming of porous aluminum alloy materials.

The fire-fighting unmanned aerial vehicle fire extinguishing agent storage device comprises a W-shaped bracket and a fire-fighting unmanned aerial vehicle, the W-shaped bracket is fixedly connected to the lower portion of the fire-fighting unmanned aerial vehicle, high-pressure storage steel cylinders are symmetrically placed in the W-shaped bracket, an electromagnetic valve is fixedly connected to the lower portion of the W-shaped bracket, and the input end of the electromagnetic valve is fixedly connected with a conveying pipe; a conveying pipe is fixedly connected to one end of the W-shaped bracket, a communicating pipe is fixedly connected to the other end of the conveying pipe, connecting plugs are symmetrically and fixedly connected to the back of the communicating pipe, the connecting plugs are matched with a high-pressure storage steel cylinder, an extrusion bottom support is arranged behind the high-pressure storage steel cylinder, connecting bases are symmetrically and fixedly connected to the two sides of the W-shaped bracket, and threaded sleeve blocks are installed in the connecting bases in an embedded mode. The threaded connecting rod is rotated to drive the extrusion bottom support to move backwards, extrusion and fixation of the high-pressure storage steel cylinder can be relieved, the high-pressure storage steel cylinder can be easily pulled out to be replaced at the moment, and rapid filling of the fire extinguishing agent is achieved in the mode that a container is directly replaced.

The present application relates to the technical field of hydraulic hose impact test, especially to a hydraulic hose impact test testing device, which comprises a test oil storage tank, a hydraulic flow main body, a plurality of hydraulic cylinder bodies and a vertical displacement driving unit, the plurality of hydraulic cylinder bodies are installed inside the hydraulic flow main body, the hydraulic oil is stored at the lower side of the plurality of hydraulic cylinder bodies inside the test oil storage tank, and a pump body structure for unidirectionally filling the oil in the test oil storage tank into the space at the lower side of the plurality of hydraulic cylinder bodies is installed outside the test oil storage tank. The present application can push the oil out quickly by the plurality of hydraulic cylinder bodies at the initial stage of downward movement through the hydraulic cylinder sleeve with the volume decreasing from outside to inside, meet the large-flow filling requirement of the hydraulic hose at the initial stage, and gradually reduce the moving hydraulic cylinder sleeve at the later stage of downward movement to finely increase the pressure with small displacement, so that the oil pressure change of fast filling and slow pressure is realized, and the accuracy of the test data is significantly improved.

The utility model discloses a multifunctional flood prevention sandbag rapid filling machine, and relates to the technical field of flood prevention. The device comprises a conveying mechanism and a transfer mechanism matched with the conveying mechanism, the conveying mechanism comprises a base, a support fixed to the upper portion of the base and a conveying assembly fixed to the upper portion of the support. The transferring mechanism comprises a rotating base, a supporting arm rotationally installed on the upper portion of the rotating base through a rotating motor, a tray fixed to the end of the supporting arm, a sandbag fixing frame fixed to the upper side of the tray, a supporting ring fixed to the bottom of the tray and rolling wheels rotationally arranged at the bottom of the supporting ring. Through automatic filling and transfer of the sandbags, the equipment greatly shortens the preparation time of the sandbags, automatic filling of sand and rapid transfer of the sandbags are achieved through collaborative operation of the conveying mechanism and the transfer mechanism, the sandbag fixing frame assists in positioning of the sandbags in filling, the filling stability is improved, and the production efficiency is improved. The sand can be accurately filled into the sandbag, and the filling precision is improved.

The present invention relates to a device for uniformly filling graphite with large cross-section specifications, comprising a discharge port opened below a material box, a conveying mechanism arranged below the discharge port and used to convey a material barrel, a feeding mechanism arranged between the discharge port and the material barrel and used to uniformly discharge the material, and two sets of positioning mechanisms symmetrically arranged on both sides of the conveying mechanism, wherein the two sets of positioning mechanisms cooperate with each other to complete the positioning between the material barrel and the feeding mechanism. The feeding mechanism comprises a connecting ring that is detachably connected to the two sets of positioning mechanisms and located directly above the material barrel, a connecting disk that is detachably connected to and rollingly connected to the inner annular surface of the connecting ring, a hose whose upper and lower ends are respectively rotatably connected to the discharge port and an eccentric hole on the connecting disk, and a driving assembly arranged between the discharge port and the connecting disk and used to drive the connecting disk to roll while driving the upper and lower ends of the hose to rotate in the same direction. The present invention solves the problem of fixed-point loading, has a high degree of automation, high filling uniformity, and fast filling speed.