31 results about "Cylinder Valve" patented technology

This utility model provides a pressure reducing valve fixing device and a gas cylinder chamber having the same. The pressure reducing valve fixing device includes a base and a top cover. A first mounting part is provided on the upper end surface of the base; a second mounting part is provided on the lower end surface of the top cover. The mounting groove formed by assembling the first mounting part and the second mounting part matches the circumferential direction of the pressure reducing valve, and the inner diameter of the mounting groove is larger than the maximum circumferential outer diameter of the pressure reducing valve. The mounting groove provides axial restraint for the pressure reducing valve installed therein. The pressure reducing valve fixing device provided by this utility model adopts a split base and top cover design, which is simple in structure, easy to manufacture, and has high shape accuracy, facilitating the assembly and replacement of the pressure reducing valve. The design of the mounting groove can provide axial restraint for the pressure reducing valve, effectively constraining the axial displacement of the pressure reducing valve, while retaining radial clearance, allowing the pressure reducing valve to have a small adjustment range in the radial direction, ensuring precise docking with the cylinder valve with axial offset.

Method for a power machine (10), comprising: to deactivate individual cylinder valve mechanisms according to a cylinder pattern chosen based on a knock value of each cylinder (14) of the power engine (10), wherein the selection involves selecting a first cylinder (14) which has a knock value above a threshold for deactivation, while a second cylinder (14) with a knock value below a threshold remains active during deactivation, characterized by the fact that the first cylinder (14) remains deactivated for a number of power engine cycles, the number being based on the temperature of the first cylinder (14), the number of power engine cycles being increased if the temperature of the first cylinder (14) rises above a threshold, the temperature of the cylinder (14) including a measured or derived cylinder internal temperature.

The present invention relates to a cylinder valve for compressed natural gas cylinder with integrated pressure reducing function, which is connected to a general burner in a plug and play manner. The cylinder gas of the present invention is improved to increase the safety of gas use and to make it easier to adjust the required gas flow rate. The cylinder valve comprises a first part as an improved part, a second part as a main part directly connected to compressed natural gas, and a third part as an evaporator part. The second part contains a diaphragm in order to accelerate the gas flow, and the third part is an evaporator which is used to overcome the clogging by accelerating the evaporation of the clogging formed due to the cooling caused by the pressure drop.

The utility model provides a single valve multi -medium steel bottle valve anti -misoperation locking device relates to single valve multi -medium steel bottle valve technical field, including import pipe and export pipe still includes connecting assembly, connecting assembly includes the base fixedly connected in the top of import pipe and export pipe, the top of base is provided with the top seat, the inside sliding connection of carding assembly is in the telescopic hollow tube of base inside, the outside top of telescopic hollow tube is fixedly connected with the top disc, the inside fixed connection of top disc has the limit turn, the inside fixed connection of top disc has the clamping block, such design has realized the anti -misoperation of normally closed locking and pressure and turns the unlocking, loosens and is automatic reset locking, has simplified the operation step, has avoided the accidental switching caused by the misoperation, has fundamentally put an end to the mixed reaction and the security accident risk caused by misoperation.

This utility model relates to the field of hydrogen energy technology, and in particular to an integrated multi-functional high-pressure hydrogen cylinder valve. It includes a main control solenoid valve, a manual valve, an overflow valve, a venting valve, and a temperature-driven venting device mounted on the valve body. All of these components are located on the side of the valve body. This utility model employs an internal channel layout, integrating multiple modules such as the main control solenoid valve, manual valve, overflow valve, and temperature-driven venting device. This significantly simplifies the pipeline structure, reduces leakage risk, and achieves a revolutionary structure characterized by high-density integration, ultra-thin flatness, and high reliability maintenance.

The application discloses a machine pit inner cylinder valve servomotor disassembly maintenance process and relates to the technical field of water turbine unit maintenance.The machine pit inner cylinder valve servomotor disassembly maintenance process comprises the following steps: S1, determining the position of a to-be-disassembled servomotor, determining the lifting point position of the to-be-disassembled servomotor in the lower frame of a generator; S2, installing a lifting assembly at the lifting point position and adjusting the position of a traction member in the lifting assembly; S3, step-by-step disassembling and lifting the servomotor according to the assembly procedure through the lifting assembly; S4, checking the disassembled parts and replacing the worn-out parts; and S5, sequentially reassembling the repaired servomotor parts through the lifting assembly.The machine pit inner cylinder valve servomotor disassembly maintenance process can carry out the disassembly operation of the servomotor cylinder in the machine pit, can realize the replacement of all seals of the servomotor in the machine pit, and can reduce the time, manpower, material resources and financial cost consumed by the servomotor maintenance.

The utility model discloses a kind of steel bottle valves, it relates to the technical field of electronic special gas industry, including valve body, the valve body is opened with valve cavity, the valve cavity includes air cavity and installation cavity sequentially arranged from bottom to top and is connected, the valve body is opened with air inlet channel and air outlet channel with air cavity intercommunication, the installation cavity is equipped with fixed nut, the fixed nut is opened with through joint cavity, the through joint cavity is equipped with the sealing assembly that the air inlet channel's air port is sealed;This kind of steel bottle valve, when staff rotates wheel handle and drives first threaded head fixedly connected on valve rod relative fixed nut rotation, and drive the top end of first threaded head and the top of limiting section abutment process, valve rod is moved up relative fixed nut, and drive interference insertion in the cooperation of slot and clamping block on the plugging block of coupling and move up, so that sealing ring and convex edge are separated, so as to realize the sealing of air inlet channel opening.

This invention belongs to the field of special ceramics preparation technology, and provides a solderless diffusion-welded reaction-sintered silicon carbide special ceramic component and its preparation method. The invention involves mixing silicon carbide, a carbon source, a pore-forming agent, and metallic silicon powder, granulating the mixture, and cold isostatically pressing it to obtain a green body. Microgrooves are then machined on the end face to be welded. Subsequently, a suspension is vacuum impregnated and coated with a suspension containing mesophase carbon microspheres to construct an interface gradient layer. Finally, the component is aligned, assembled, and subjected to axial load, and the process is completed through reaction sintering. This invention utilizes the capillary pressure difference generated by laser microtexturing and pore gradient to induce the directional migration of liquid-phase silicon from the matrix to the interface. Through the in-situ reaction of liquid-phase silicon with the carbon source, a continuous silicon carbide solid-phase network is generated, physically blocking the outward diffusion channels of the liquid-phase silicon, achieving self-locking and densification of the welding interface. Specifically, this invention can be applied to special ceramic products such as ceramic valves and ceramic cylinder valve plates.

The utility model relates to hot runner needle valve technical field discloses a kind of cylindrical valve needle guide ring, including nozzle sleeve, the inner wall sliding connection of nozzle sleeve has valve needle guide ring, the inner wall sliding connection of valve needle guide ring has valve needle, the inner wall of nozzle sleeve is equipped with nozzle sleeve kit, the outer wall of nozzle sleeve kit is equipped with connecting piece, the outer wall of valve needle is provided with multiple stabilizing blocks one, the inner wall of nozzle sleeve is provided with multiple stabilizing blocks two, the inner wall of valve needle guide ring is equipped with multiple stabilizing grooves one, the outer wall of valve needle guide ring is equipped with multiple stabilizing grooves two, the top of valve needle guide ring is equipped with cleaning assembly, the inner wall of valve needle guide ring is provided with lubricating assembly, in the utility model, four stabilizing grooves one are set in valve needle guide ring inner wall, four valve needle guide rings are set in valve needle guide ring outer wall, let stabilizing block one and stabilizing block two respectively be clamped in stabilizing groove one and stabilizing groove two inner wall, reach the effect that valve needle is stably slid up and down.

The utility model relates to cylinder carrying technical field, the utility model provides a cylinder protective housing convenient for cylinder carrying, including gyro wheel, the upper end fixed mounting of gyro wheel has protective housing body, the inside bottom fixed mounting of protective housing body has bottom plate, the lower fixed mounting of bottom plate has shock attenuation zone, first air column bag, first air column bag fixed mounting is in the inside upper end of protective housing body, the rear end fixed mounting of first air column bag has second air column bag, the upper end fixed mounting of second air column bag has air inlet pipe, the upper end fixed mounting of air inlet pipe has first adsorption ring, solved the original cylinder internal loading compressed gas, when cylinder carrying transportation, cylinder is vulnerable to external collision, lead to cylinder internal gas to shake, and cylinder valve is vulnerable to gas leakage when colliding, cause subsequent gas leakage, when the different shape length cylinder transportation needs different shape protective housing, lead to cylinder transportation cost increase's technical problem.

The application discloses a pressure-resistant anti-explosion stainless steel gas cylinder and belongs to the technical field of stainless steel gas cylinders, which is characterized in that: the technical scheme comprises a gas cylinder, a cylinder valve is threadedly connected to the mouth of the gas cylinder, a limiting mechanism is arranged on the cylinder valve and used for fixing the position of the cylinder valve, the limiting mechanism comprises a flange A arranged on the cylinder valve, a moving plate is vertically and slidably arranged on the cylinder valve, two limiting rods are arranged on the moving plate, the moving plate and the flange A are connected through a plurality of reset springs, and a flange B is arranged at the neck of the gas cylinder, so that the radial pressure attenuation of the thread and the appearance of the microscopic gap of the sealing surface are avoided, gas leakage is eliminated, the working pressure of the gas cylinder is maintained stable, gas resource waste is prevented, the safety risk of the accumulation of combustible or combustion-supporting gas in the transportation closed space and the ignition and explosion are eliminated, and the reliability and safety of the gas cylinder in the transportation and carrying process are remarkably improved.

The present application relates to liquid silicone plastic forming technology field, disclose a kind of liquid silicone plastic forming system with trace adjustment and its operating method, it includes: injection molding machine, upper forming die, lower forming die, adjusting knob, rotating rod, connecting rod gear set, cylinder, valve needle, glue guide pipe and controller, injection molding machine is equipped with controller, upper forming die and lower forming die are installed on injection molding machine, form forming die cavity, upper forming die is equipped with injection port, injection port is communicated with forming die cavity by glue guide pipe, rotating rod is rotatably installed in upper forming die, one end of rotating rod extends out of upper forming die and is equipped with adjusting knob, the other end of rotating rod is connected with one end of connecting rod gear set, the other end of connecting rod gear set is connected with piston in cylinder, cylinder is installed in upper forming die, valve needle is installed on cylinder, and valve needle is arranged in glue guide pipe inside;By the design of plastic forming system, intelligent control, self-adapting environment, strong perception, smooth precision adjustment trace injection molding processing can be realized.

This utility model belongs to the field of valve technology, and particularly relates to a split-type pin-type pneumatic reflux valve, including a valve seat and a cylinder. The valve seat has a first connector with threads along its axial direction. The cylinder has a first mounting seat with threads at one end along its axial direction. The valve seat and the cylinder are detachably connected by the first connector and the first mounting seat through the threaded connection. Through the detachable threaded connection structure between the valve seat and the cylinder, quick disassembly and maintenance can be achieved while ensuring sealing performance. This effectively solves the problems of high maintenance costs and difficult component replacement of traditional integrated valves, and has the advantages of easy maintenance and replacement, reduced operating costs, and reliable sealing performance.

The application discloses a kind of overcurrent cut-off gas cylinder valves, including valve body, valve body has the pipeline connecting port of side part and the gas cylinder connecting port of bottom, valve is installed between the valve body of pipeline connecting port and gas cylinder connecting port, the gas cylinder connecting port is installed with pipe seat, pipe seat has with gas passage and leakage passage, wherein the top of leakage passage is placed cut-off ball, the lower end of the valve hole of valve is set to cooperate the valve port blocked by cut-off ball, the side wall of valve body is installed with the pusher device of cut-off ball that push away from valve port laterally reciprocating, pusher device is installed with reset spring.The application only needs to push pusher device inward when resetting gas cylinder valve, cut-off ball is pushed away from valve port, cut-off ball naturally falls to the mouth of leakage passage, and gas cylinder valve restores normal use state.The application does not need to discharge pressure gas when resetting overcurrent cut-off gas cylinder valve, and can effectively prevent gas from leaking in valve.

The utility model relates to fluid filling equipment technical field, concretely to a multifunctional drip-proof filling head, including valve main body, filling nozzle, sealing rod, valve core guide rod and cylinder, valve core guide rod is located in the valve main body, its upper end is connected with the piston rod of cylinder through elastic pin structure, its lower end and the upper end of sealing rod adopt the joint structure connection of horizontal slide, the elastic pin structure includes quick -mounting joint, quick -joint locating pin and positioning spring, is equipped with V -groove on quick -joint locating pin, the upper end of valve core guide rod is equipped with annular groove, the lower part of V -groove and annular groove joint cooperation, press quick -joint locating pin to make V -groove and annular groove separate to unlock valve core guide rod, when releasing, V -groove and annular groove joint to lock valve core guide rod under the action of positioning spring, the utility model discloses compact structure, convenient to assemble and disassemble, reliable sealing, applicable to a variety of filling specifications, has improved filling efficiency and operation convenience significantly.

The utility model provides a kind of special gas cylinder filling system, it belongs to cylinder filling technical field, the system includes flexible tool box, electronic balance, code reader, self-centering clamp jaw, hair dryer, flexible pneumatic finger, gas subpackaging chamber, pneumatic finger, two degrees of freedom linear module, multi-axis robot, horizontal vision camera, explosion-proof motor, vertical vision camera, gas filling connector, lead screw.Multi-axis robot carries and adjusts cylinder position, vertical and horizontal direction vision camera identifies cylinder gas nozzle position, code reader scans bottle body bar code to obtain filling information, two degrees of freedom linear module drives pneumatic finger to hold gas filling connector and cylinder gas nozzle is connected, flexible pneumatic finger rotates cylinder valve, gas subpackaging chamber carries out component gas filling, electronic balance monitors filling gas weight in real time, hair dryer keeps bottle body dry during filling process.The utility model realizes the automation of special gas filling process, reduces artificial filling risk, improves product pass rate.

The utility model relates to the field of bottle valve mounting and demounting machine, concretely relates to a seamless gas cylinder bottle valve mounting and demounting machine, including bottom plate, clamping claw, top claw, mounting and demounting claw, lifting rail, lifting block, hydraulic cylinder, screw rod, auxiliary rod, no. One support and no. Two supports, the bottom plate upside right -end installation no. One support, the clamping claw is installed in the middle left side position of no. One support, the bottom plate upside left -end position installation no. Two supports, the hydraulic cylinder is installed in the left side position of no. Two supports, the top claw is installed in the middle right -side position of no. Two supports, the lifting rail is installed in the upside of no. Two supports, the lifting block is installed on the lifting rail, the screw rod and two auxiliary rods are installed in the lifting block, according to the seamless gas cylinder of different height can start no. Two motor and make screw rod rotate, can realize the up and down movement of lifting block, make mounting and demounting claw can very goodly adhere to the top of seamless gas cylinder and carry out mounting and demounting operation.

This invention relates to a sealing reinforcement structure and method for a valve seat and plastic inner liner of a Type IV gas cylinder. The invention includes a valve seat; a plastic inner liner with an annular groove at its end cap, the valve seat being fitted into the annular groove; a sealing ring disposed between the valve seat and the plastic inner liner to form a radial seal; and a reinforcing ring embedded in the annular groove and located near the sealing ring, to improve the local structural rigidity of the connection area between the valve seat and the plastic inner liner, suppress creep deformation of the plastic inner liner under high pressure, and maintain the sealing stability of the sealing ring. This invention solves the problems of decreased sealing performance and insufficient local rigidity caused by plastic creep, improving the sealing reliability and long-term durability of the gas cylinder under high-pressure conditions.

The application relates to a press reset and self-discharge type liquefied petroleum gas cylinder overflow cut-off valve and relates to the technical field of liquefied petroleum gas cylinder valves. The valve body is provided with a hand wheel at the top end, the hand wheel is connected with an overflow top rod at the bottom end through a connecting rod, the valve body is provided with a square frame at the top end, the middle part is threadedly connected with the inner wall of the valve body, the outer side of the connecting rod is provided with a square sleeve matched with the square frame, the position of the overflow top rod corresponds to the position of the center hole of the valve body; the overflow cut-off assembly is arranged at the air inlet, the air inlet flow is cut off when the valve outlet flow reaches the rated cut-off flow value; the limiting discharge assembly is installed between the connecting rod and the valve body and is used for blocking the gas cutting function of the overflow cut-off assembly. In the case that a large amount of liquefied petroleum gas is leaked in an accident, the overflow cut-off valve can rapidly cut off the external leakage of the liquefied petroleum gas, so that the accident is prevented from further happening.

This invention discloses a fire extinguisher cylinder valve and its processing equipment, belonging to the field of fire protection equipment and processing technology. The fire extinguisher cylinder valve includes a valve body; a sealing seat is fixedly installed in the inner cavity of the valve body, and a sealing gasket is fixedly connected to the top center of the sealing seat; a sealing piston is slidably connected to the middle of the inner cavity of the valve body, a sealing sleeve is fixedly connected to the top edge of the sealing seat, a sealing gasket is fixedly connected to the inner wall of the sealing sleeve, and the sealing piston is slidably sleeved inside the sealing gasket; the cylinder valve of this invention achieves sealing through the cooperation of the sealing piston and the sealing sleeve. The sealing device of this application has a larger sealing contact surface, thus effectively distributing the force and avoiding the problem of the sealing gasket being easily damaged, having a short service life, and reduced sealing effect due to excessive concentrated liquid pressure and sealing clamping force under long-term high-pressure environment.

The utility model relates to cylinder clamp technical field, especially a kind of cylinder valve dismounting clamp, including support plate, sliding frame, adjusting shell and rotating lever, four moving wheels are installed on sliding frame, sliding frame is fixedly connected with support plate, adjusting shell is rotatably provided on support plate, adjusting shell is fixedly connected with rotating lever, further include limit shell, sliding rod, rotating lever and straight gear, sliding frame is fixedly connected with limit shell, rotating lever is rotatably provided on limit shell, rotating lever is fixedly connected with straight gear, two sliding rods are fixedly connected in limit shell. By rotating rotating lever, rotating lever drives straight gear to rotate, straight gear is engaged with two racks, rack immediately drives the sliding plate on itself to move inward, the sliding plate moves while driving the clamp block on itself to move inward, so that its two clamp blocks directly fix cylinder, so without putting down cylinder, increase the security when opening bottle.

The application discloses a kind of steel bottle valve body airtightness on-line detection device based on pressure sensor, and is related to airtightness on-line detection technical field.The detection box is fixed with mounting bracket on top, and detection frame is installed in the inside of mounting bracket top by hydraulic cylinder;Base is fixed at the bottom of detection frame, and the upper end of base is fixed with placing rack, and the inside of detection frame and the top of front side of base are respectively fixed with first mounting plate and second mounting plate, and the inside of first mounting plate and second mounting plate is respectively connected with mounting column and gas cylinder by electric push rod;Positioning ring is respectively fixed in the inner end of mounting column and gas cylinder, and the internal cavity of positioning ring of mounting column inner end is fixed with pressure sensor.The steel bottle valve body airtightness on-line detection device based on pressure sensor can be positioned and installed to different specifications of steel bottle valve body, and simultaneously sealed according to the specifications of steel bottle valve body.

This invention belongs to the field of ceramic preparation technology and provides a hot-pressed sintered multiphase boron carbide ceramic and its preparation method. The ceramic is based on boron carbide, with the addition of high-entropy diboride phases containing titanium, zirconium, hafnium, niobium, tungsten, and molybdenum, as well as a carbon phase. The ceramic may further contain corresponding high-entropy carbides. In the preparation process, multi-metal powder, amorphous boron powder, cobalt powder, and a process control agent are first subjected to high-energy ball milling and heat treatment under an inert atmosphere to obtain high-entropy diborides. Then, nanodiamond and cobalt powder are dispersed in ethanol, followed by ultrasonication, drying, and heat treatment to obtain the carbon phase. Subsequently, this carbon phase is mixed with boron carbide and granulated to obtain composite particle powder. Finally, it is hot-pressed and sintered in segments under vacuum conditions, with pressure pulses and pressure relief cycles applied during the high-temperature stage to obtain a dense multiphase ceramic, which can be applied to ceramic valves and ceramic cylinder valve plates.

The application relates to a device capable of effectively recording the dismounting and mounting traces of a liquefied gas pressure regulator and a steel bottle valve, and relates to the technical field of liquefied gas steel bottle safety. The device comprises a pressure regulator body, a fixed hand wheel and a dismounting and mounting sensing device. One end of the pressure regulator body is connected with an air inlet pipeline, and the other end is connected with an air outlet pipeline. A threaded connection pipe is connected with the air inlet pipeline. The threaded connection pipe is threadedly connected with the fixed hand wheel. The air inlet pipeline is provided with a liquefied gas air inlet hole and a wire hole one. The fixed hand wheel is provided with the dismounting and mounting sensing device. An inductor is arranged at the top end of the wire hole one and close to the fixed hand wheel. The device can trigger the dismounting and mounting sensing device and the inductor by the rotation of the fixed hand wheel connected with the steel bottle of the pressure regulator, send the forward and reverse rotation information to the background, determine the installation and dismounting of the pressure regulator and the valve, and adopt the measure of cutting off the pressure regulator when the pressure regulator is in the dismounting state, so that the installation of the steel bottle and the hand wheel of the pressure regulator is correct, and the abnormally filled gas in the channel cannot be normally used.

The application discloses a kind of hydraulic drive foot type robot joint control experiment table, belong to foot type robot field.The application transforms self-destructive full physical test into predictive research under laboratory conditions, accurately simulates complex and changeable force or torque load spectrum.In the research, the force loading test under fixed position and the force loading test under position change are carried out using the joint control experiment table, it is proved that after the position parameter of joint control cylinder valve is added in feedforward link, the load simulation cylinder can output the expected force curve;Then step position, sinusoidal position and high-low pressure energy-saving experiment are carried out on joint control system based on servo proportional valve and based on cartridge valve respectively, it is proved that compared with single high-pressure oil source control, using high-low pressure oil source can save 25%-38% energy.

The present application relates to the method for detecting the increase of the internal leakage of the cylinder valve hydraulic system when the unit is in the non-stop state, comprising: obtaining the oil level of the return tank, the pressure tank, the start-stop time of the No.1 and No.2 oil pumps at the full opening position of the cylinder valve in the historical period and real time; collecting the length, width of the return tank and the radius of the pressure tank; calculating the total oil quantity of the oil pressure device and the average value of the total oil quantity in the historical period; calculating the start time of the No.1 and No.2 oil pumps, the interval time and the average value of the start time and the interval time of the No.1 and No.2 oil pumps in the historical period; determining the internal leakage trend of the hydraulic system through the real-time data. The present application effectively replaces the manual inspection of the power plant, predicts the abnormality of the mechanical hidden components in advance, finds the fault in time, formulates the disposal measures, avoids the equipment accidents, improves the stability of the unit operation, prolongs the service period of the equipment and provides the reliable technical support for the operation unit.

The application discloses a double-channel overcurrent cut-off gas cylinder valve, which comprises a valve body, a pipeline connecting port on the side of the valve body, a gas cylinder connecting port on the bottom of the valve body, a valve installed in the valve body between the pipeline connecting port and the gas cylinder connecting port, two channels formed in the gas cylinder connecting port and communicated at the head and tail, an overcurrent cut-off device installed in one of the channels, and an on-off valve installed in the other channel.

This utility model discloses an intake throttling valve for an oil-free screw compressor, comprising: a negative pressure balance valve, an intake throttling valve, a cylinder valve, a guide rod, an intake chamber, and a cylinder. The negative pressure balance valve, the intake throttling valve, and the cylinder valve are fixed to the same guide rod and linked by the same guide rod. The intake chamber includes at least one inlet and at least one outlet. The cylinder includes chamber A and chamber B. The intake throttling valve is opened and closed by controlling the pressure in chambers A and B. During loading, pressure is applied to chamber B, causing the cylinder valve to move the guide rod to the right, opening the intake throttling valve, allowing external gas to enter the intake chamber, and the oil-free compressor begins operation. During unloading, pressure is increased in chamber A. When the pressure in chamber A is greater than the pressure in chamber B, the cylinder valve moves the guide rod to the left, closing the intake throttling valve. At this time, there is a radial gap between the intake throttling valve and the intake chamber, allowing a small amount of external gas to enter the intake chamber.