12 results about "Gas cylinder" patented technology

The invention provides an ultrahigh-pressure hydrogen electromagnetic valve having a pressure relief function and applied to a vehicle. The ultrahigh-pressure hydrogen electromagnetic valve comprisesa valve body; the valve body is provided with a gas charging interface which is connected with a gas cylinder; the valve body is internally provided with a main gas charging channel and the gas charging interface; the valve body is also internally provided with a manual control valve interface, an electromagnetic valve interface and a pressure reducer interface; one side of the pressure reducer interface is provided with a low pressure output interface; a manual control valve is installed at the manual control valve interface; an electromagnetic valve is installed at the electromagnetic valveinterface; a pressure reducer is installed at the pressure reducer interface; the gas charging interface communicates with the main gas charging channel through the manual control valve; and the maingas charging channel communicates with the low pressure output interface through the manual control valve, the electromagnetic valve and the pressure reducer in sequence. The ultrahigh-pressure hydrogen electromagnetic valve provided by the invention has the advantages of reasonable structure, high integration level, good safety and long service life.

The invention discloses a microcellular foaming and in-mold decoration composite molding device with composite foaming agents and a microcellular foaming and in-mold decoration composite molding method. The microcellular foaming and in-mold decoration composite molding device comprises an injection molding machine and a mold. The mold is connected with a discharge outlet of the injection molding machine; the injection molding machine comprises a barrel, a screw, heaters, a high-pressure gas cylinder and a hopper, the screw is arranged in the barrel, the heaters are arranged outside the barrel, the high-pressure gas cylinder and the hopper are connected with the barrel, the high-pressure gas cylinder is used for providing physical foaming agents into the barrel, and the hopper is used for providing mixtures of chemical foaming agents and polymers into the barrel; the mold comprises a male mold and a female mold, the male mold and the female mold are opposite to each other, and an in-mold decoration film clings onto the inner wall of the female mold. The microcellular foaming and in-mold decoration composite molding device and the microcellular foaming and in-mold decoration composite molding method have the advantages that the foaming efficiency of the polymers can be improved by the physical and chemical composite foaming agents, formed cells are good in distribution, and products are high in surface quality owing to the in-mold decoration film.

The invention relates to a device used for measuring the temperature in a high-pressure gas cylinder during filling and discharging of the high-pressure gas cylinder. The device used for measuring the temperature in the high-pressure gas cylinder can be used for directly and accurately detecting and recording the temperatures of multiple points distributed in the high-pressure gas cylinder and is precise in structure and simple and convenient to install. The device comprises a point distribution mechanism, a sealing module and a data acquisition card, the point distribution mechanism comprises a conduit provided with multi-connecting rods, each multi-connecting rod is provided with a positioning spring in a matched mode, each positioning spring is used for adjusting the angle of the corresponding multi-connecting rod, and each multi-connecting rod is connected with a temperature sensor; the sealing module comprises a high-pressure shield, a lead tube base sleeve, a signal lead tube and a gas cylinder connector, and a penetrating hole is formed in the gas cylinder connector; the data acquisition card is used for converting analog signals collected by the temperature sensors into temperature data for storage; leads of the temperature sensors penetrate through the penetrating hole, pass through the signal lead tube, the lead tube base sleeve and the high-pressure shield and then are led to the data acquisition card.

A storage and retention unit for gas cylinders is provided wherein a movable inner frame defines a plurality of cylinder receptacles which are indexed from an opening in a surrounding outer frame about an axis such that any cylinder within a receptacle is restrained by the outer frame and inner frame as it advances about the axis until the receptacle returns to the opening.

The invention relates to a low temperature liquefaction vehicle fuel tanker operation box pipeline equipment plugging simulation test bench. The bench includes a pipeline, a first shut-off valve, a second shut-off valve, a shut-off valve-pipe elbow connection plugging device and a shut-off valve stem plugging device, the first shut-off valve and the second shut-off valve are installed in the pipeline, an elbow connection structure is formed between the first shut-off valve and the pipeline, the pipeline is connected with a liquid nitrogen bottle, the shut-off valve-pipe elbow connection plugging device is installed at the elbow connection of the first shut-off valve and the pipeline, and the shut-off valve stem plugging device is mounted on a valve stem of the second shut-off valve. The bench can conduct simulating experiment on the leakage plugging of the internal shut-off valve of a liquefied natural gas tank car operation box, a pipe elbow joint and the shut-off valve stem, and achieve the purpose of verifying the plugging effect.

The invention is a laser engraving machine for steel cylinders. The laser and the X-direction displacement platform are installed on the same horizontal plane, the connecting seat is installed on the X-direction displacement platform, and a 30°1064nm total reflection mirror and Z-direction displacement platform are installed on the connection seat. , the engraving head is installed on the Z-direction displacement platform, the engraving head as a whole can make compound movements along the Z-direction and X-direction, the X-direction and Z-direction are located on the same vertical plane, and the angle between the X-direction and Z-direction is 60° , the engraving head is composed of the first pair of 45°1064nm total reflection mirror group, the second pair of 45°1064nm total reflection mirror group and the focusing head capable of plane numerical control interpolation movement. The invention utilizes high energy density laser beam to directly irradiate the cylinder On the surface, oxidative combustion reaction of pure oxygen gas and carbon steel cylinder is assisted, and rapid deep engraving is carried out, which realizes the one-time rapid marking of the required characters on the surface of the cylinder, and meets the needs of industrial production of automated assembly lines.

The invention provides a modular space propulsion system, comprising a cylinder module (1), a gas path module group, a tank module (4), a liquid path module (5) and an engine module (6). The inventionadopts modular design to facilitate module replacement and/or module addition or deletion in scientific research test and actual use, which is favorable for rapid assembly and test of the whole propulsion system, shortens assembly test period, simultaneously enables the whole system to have reuse conditions, and reduces production, launch and maintenance costs. Each module is flexible and compact, which is conducive to improve the space utilization rate of the general layout, and has good compatibility for different layout modes; In addition, the use of monocomponent non-toxic and contaminated propellants is beneficial to the health protection and environmental protection of operators and testers.

The invention discloses a cold spinning device used for a steel seamless gas cylinder. The cold spinning device comprises a core rod stretching in a cylinder blank to machine the inner surface, a connecting assembly connected to the end of the core rod, and a spinning wheel assembly located outside the cylinder blank. The spinning wheel assembly comprises a spinning wheel support, a spinning shaft rotationally arranged on the spinning wheel support in a matched manner, and spinning wheels arranged on the spinning shaft in a sleeving manner and abutting against the outer surface of the cylinder blank. One end of the spinning shaft stretches in a spinning wheel box body fixed to the spinning wheel support, and the other end of the spinning shaft stretches in an outer supporting sleeve fixed to the spinning wheel support. The end, in the outer supporting sleeve, of the spinning shaft is further sleeved with a supporting lining. Double rows of 6314 bearings are arranged between the supporting lining and the outer supporting sleeve. The part, stretching in the spinning wheel box body, of the spinning shaft is divided into a first shaft section, a second shaft section and a third shaft section, wherein the shaft diameter of the first shaft section, the shaft diameter of the second shaft section and the shaft diameter of the third shaft section are gradually decreased, the first shaft section is sleeved with a non-standard bearing, the second shaft section is sleeved with a thrust roller bearing and the third shaft section is sleeved with a tapered roller bearing. The connecting assembly comprises a connecting piece installed on a drive device and a butt joint located between the connecting piece and the core rod.

The invention discloses an excessive-filling preventing horizontal heat-insulating gas bottle. The excessive-filling preventing horizontal heat-insulating gas bottle comprises a front sealing head assembly (2), an inner cylinder (3) and a rear sealing head (4) which form an inner liner (1), and is characterized in that a compartment (5) is arranged on the upper portion of an inner cavity of the inner liner (1), and a small hole (6) is formed in the bottom of the compartment (5), and the small hole (6) is located in the upper side of the horizontal plane where the horizontal central axis of theinner liner (1) is located. The height of the horizontal plane where the small hole of the compartment is located is effectively increased, so that non-excessive filling is achieved when residual liquid phase media exist; for the horizontal heat-insulating bottle gas, the problem that excessive filling of an existing structure gas bottle is likely to occur when the arbitrary residual liquid phasemedia exist can be well solved; when the compartment is welded to the top of the liner, the advantage that a connecting weld joint bears uniform tensile stress and accordingly has the good force bearing condition is achieved; and the excessive-filling preventing horizontal heat-insulating bottle has the advantages that the structure is simple, the processing technology is simple and convenient, and the manufacturing cost can be saved, and is suitable for being used and popularized.

The invention discloses a compressor and an air conditioning system. The compressor comprises a pump body and a crankshaft having an eccentric part, wherein the pump body comprises: a gas cylinder, wherein the gas cylinder has a gas cylinder chamber and a blade groove positioned on the inner circumferential surface of the gas cylinder chamber; an upper cylinder cover and a lower cylinder cover forclosing the gas cylinder chamber; a first piston and a second piston positioned in the gas cylinder chamber, wherein the first piston is sleeved outside the second piston, the first piston and the second piston can slide opposite to each other, the second piston sleeve is sleeved outside the eccentric part of the crankshaft, and the second piston and the eccentric part of the crankshaft can slideopposite to each other; and a blade, wherein the blade projects out from the blade groove into the gas cylinder chamber, forms butt joint with the first piston, and separates the gas cylinder chamberinto a high pressure side and a low pressure side. With the compressor of the present invention, the friction loss between the piston and the eccentric part of the crankshaft can be reduced so as toimprove the mechanical efficiency of the compressor.