27 results about "Water pressure" patented technology

The invention relates to an ultrasonic-assisted and gas-shielded welding device adopting an underwater wet method. The device comprises an ultrasonic transducer, a combined welding torch, a conductive rod and an insulation sleeve. The ultrasonic transducer is connected with the combined welding torch, the ultrasonic transducer and the combined welding torch are each provided with a through hole, the through holes are communicated, and the conductive rod and the insulation sleeve are arranged in the through holes. The insulation sleeve is arranged on the radial outside of the conductive rod in a sleeving mode, and a gap is formed between the insulation sleeve and the conductive rod. The device further comprises a waterproof shell and a gas supply unit. The ultrasonic transducer is arranged in the waterproof shell which is communicated with the gap, and the waterproof shell is communicated with the gas supply unit. By means of the ultrasonic-assisted and gas-shielded welding device adopting the underwater method, the ultrasonic and shielding gas combined mode is used for underwater welding, and the effect of water pressure on electric arcs is reduced through ultrasonic; the ionization of the electric arcs is improved through the shielding gas, the stability of the electric arcs is improved, and accordingly the welding quality is enhanced.

The invention relates to a control method and control device for a dish-washing machine, the dish-washing machine and a storage medium. The control method for the dish-washing machine comprises the following steps: when the dish-washing machine is in the stand-by state caused by a water supply fault, detecting the water pressure at a water inlet valve of the dish-washing machine in real time; judging that whether the water pressure achieves a preset water pressure threshold value or not; and if the water pressure achieves the preset water pressure threshold value, controlling the dish-washingmachine to enter the washing state. After the water inlet fault of the dish-washing machine is eliminated, human intervention is not needed, the dish-washing machine continues carrying out washing automatically, thus the time of a user is saved, and the use of the user is facilitated.

The invention discloses a rapid construction method of a long tunnel under complex geologic conditions, which comprises the following steps: S1, carrying out 30-150m long-distance geologic prediction on the geologic conditions of a tunnel, and carrying out 5-30m short-distance geologic prediction on the geologic conditions of the tunnel on the basis of the long-distance geologic prediction; S2, excavating wall rocks of IVb and V levels according to the geologic prediction conditions by adopting a bench cut method, and excavating wall rocks of III and IVa levels by adopting a full section method; S3, predicting underground water pressure of the tunnel at the water-rich section according to the geologic prediction conditions, and adopting different curtain grouting schemes; and S4, after tunnel excavation, monitoring and measuring the geologic conditions, primary support conditions, peripheral displacement and vault sinking value. The rapid construction method has the beneficial effect of safely and rapidly finishing tunnel construction tasks under poor geologic zones.

Provided is a forming method comprising fixing an object in a mold of a forming apparatus comprising a water pressure or vapor pressure generator and the mold communicated with the water pressure or vapor pressure generator; generating water pressure or vapor pressure using the water pressure or vapor pressure generator and then injecting the water pressure or vapor pressure into the mold; and forming the object fixed in the mold using pressure generated by the water pressure or vapor pressure, and a forming apparatus used in the same. According to the present invention, it is possible to form an under-cut portion and other fine shapes which could not be formed by a conventional forming method and also it is possible to solve the problems such as the thickness variation and the whitening phenomenon after the forming process.

An irrigation sprinkler can include an outer case and a riser extendible from the outer case by water pressure. A nozzle can be rotatably mounted at an upper end of the riser. A water inlet can connect the sprinkler to a water source. A turbine may be mounted in the riser for rotation by water entering a lower end of the riser. A gear train reduction can be mounted in the riser. A gear driven coupling mechanism mounted in the riser may couple the gear train reduction and the nozzle. A pressure regulator can be mounted inside the outer case at the water inlet.

The invention relates to a shield horizontal freezing receiving construction method which is suitable for shield construction in water-rich stratum and high-water-pressure stratum. The shield horizontal freezing receiving construction method includes the following construction steps that the receiving end head is frozen and strengthened by the horizontal freezing method; receiving is prepared; a freezing pipe is pulled out and a pipe hole is sealed and blocked; a hole ring reduction device is installed; tunneling construction is carried out in a freezing area, a water stop hoop is applied; theeffect of the water stop hoop is verified; a shield machine drives a diaphragm wall; and shield receiving is carried out. By adopting the technical scheme, the stability of shield reaching the receiving end, the safety of shield construction process of the receiving end and the smoothness of shield receiving process can be effectively guaranteed.

The invention discloses a self-cleaning system and a self-cleaning method suitable for a honey beverage vending machine. The system comprises a water tank, support legs, an observation window, a powerdistribution control box, a water-adding sealing cover, an air inlet structure of the water tank, a short pipe, a round cover, a filter cotton block, a protective cover, a gearbox body, a rocker, a water pumping pipe, a water pump, an air pump, a one-way valve, a first elbow, an air inlet cover, an activated carbon filter screen, a fixing rod, a second elbow, a three-way pipe, a heat conduction copper pipe, a heat preservation sleeve, a heating piece, a hose, a traight pipe, a cylinder, a rotating shaft, a fixing piece, a hole pipe, a sealing cap, a straight rod, stirring blades, a worm gear,a worm, an output shaft, an input shaft, a first gear and a second gear. Through the stirring structure, the transmission structure and the driving structure, stirring in the water tank can be achieved, the mixing effect of a cleaning agent and water is improved, meanwhile, the air pump is arranged and can pressurize water flow, so that the water pressure during flushing is improved and the flushing effect is good.

The invention discloses a device applicable to a pipe washing work of a deep sea oil and gas pipeline. The device comprises a water flushing system, a chemical agent filling system which is connected to the water flushing system, an assisting system which assists the water flushing system to clean the pipeline, and a data acquiring and transmitting system for acquiring and transmitting data of a pipe cleaning device, wherein the water flushing system comprises at least free water flushing and ROV supported water flushing; the free water flushing is that the inner and outer water pressure difference of a seawater pipeline is treated as power to flush water for cleaning the pipe; the ROV supported water flushing is that hydraulic power supplied by a centrifugal pump is used for flushing water to clean the pipe; the chemical agent filling system comprises at least an underwater chemical agent tank, a chemical agent discharging assembly, a chemical agent filling assembly, a chemical agent filtering and adjusting assembly and an underwater rapid chemical agent supplementing joint; and the chemical agent is filled with different concentration and mixing ratio through the chemical agent filling and adjusting assembly based on the flow rate change of a main pipeline. The device overcomes deep water pressure and resistance along the way and reduces the shortages of a large amount of aboveground devices for normal pipe cleaning work, large occupied space, and high input cost; and the deep water pipeline cleaning work efficiency is improved.

The invention discloses a sealing method and device used for improving the insulation performance of an annular force transducer. According to the sealing method and device, a pressure higher than thepressure required by a service environmental is applied from the outside to fill sealant bubbles of the transducer with a liquid insulating medium, the liquid insulating medium is retained in the sealant bubbles to achieve the effect of a one-way valve so as to prevent water from entering a channel of the transducer, and thus, the sealing requirement of the transducer in special environments is met. The sealing device comprises a pressure vessel. The pressure vessel is provided with an upper cover. The upper cover is clamped on the pressure vessel in a sealing mode through a clamping device.The liquid insulating medium is contained in the pressure vessel. The upper cover is provided with a pressure port. The pressure port communicates with an inner cavity of the pressure vessel. All sealant gaps of the transducer are filled with the liquid insulating medium under the effect of the pressure applied from the outside, so that the insulation performance of the transducer is improved. Thus, the sealing requirement of the transducer in special environments is met, normal work of the transducer under a certain water pressure can be ensured, and the application range of the transducer iswidened.

The invention relates to a water circulation type mechanical damping device which comprises a base, a main water tank, an auxiliary water tank A, an auxiliary water groove B, a fixing plate A, a fixing plate B, a pressing plate and a bearing groove. The base is arranged to be of a cuboid structure. The upper surface of the cuboid is arranged to be in a square shape. The auxiliary water tank A, themain water tank and the auxiliary water tank B are sequentially arranged on the top of the base from left to right. The lower left corner of the main water groove communicates with the lower right corner of the auxiliary water groove A. The lower right corner of the main water tank communicates with the lower left corner of the auxiliary water tank B. The fixing plate A is arranged between the main water groove and the auxiliary water groove A, and the fixing plate B is arranged between the main water groove and the auxiliary water groove B. Water pressure is used for carrying out damping onmechanical equipment, the damping effect is extremely good, and the water circulation type mechanical damping device has the advantages of being simple in structure, stable in performance and long inservice life.

The invention discloses an observation device for a microscopic flow field in a particle pore in liquidation. The observation device comprises a liquidation generation container, a water pressure monitoring system, a liquidation generation container fixing device, a dynamic pressure controller and a laser particle velocity measurement device. The liquidation generation container comprises a quartz glass sample container and a pressure transmission mechanism. A quartz glass ball and a brine sample are arranged in the quartz glass sample container. The pressure transmission mechanism is internally divided into two chambers by a rubber membrane, wherein one chamber is connected with the quartz glass sample container and the other chamber is connected with the dynamic pressure controller. The water pressure monitoring system comprises two pore water pressure gauges, wherein one pore water pressure gauge is arranged in the quartz glass sample container and the other pore water pressure gauge is arranged in the chamber connected with the dynamic pressure controller. The dynamic pressure controller injects pressure to the quartz glass ball and the brine sample arranged in the quartz glass sample container through the pressure transmission mechanism. The observation device for the mechanism research of the microscopic flow field in liquidation is provided.

The invention discloses water purifying equipment for an edible fungus factory. The water purifying equipment comprises water tanks and a pipeline, the pipeline is arranged on the left sides of the water tanks, the bottom of the pipeline is fixedly connected with a water pump, the bottom of the water pump is connected with a base, valves are arranged at the tops of the water tanks, the top of thewater tank on the right side is connected with a main valve, the surface of the top of the pipeline is connected with water pressure gauges, and a filtering device is arranged in the middle of the topof the base. Connecting seats and mounting seats are mounted at the top of the base, the water tanks are mounted at the tops of the mounting seats, and fixing frames are mounted on the side faces ofthe water tanks; two fixing rings are used for fixing the first water tank, and then buckles are used for clamping the two fixing rings; then fastening screws are used for connecting the second watertank with the second fixing frame, and thus the two corresponding water tanks are stably connected; and after all the water tanks are connected, the water purifying equipment can be normally used, thewater tanks are stable in structure, thus edible fungi are better irrigated by water inside the water tanks and promoted to grow rapidly, and the quality is better.

The invention provides a steam change demonstration teaching aid. For the demonstration teaching aid used by schools, a concave hole capable of containing a steaming pot is formed in one side of the upper portion of a rectangular bracket, a detachable water bottle is arranged on the other side of the rectangular bracket, a passage tube for communication is arranged between the steaming pot and thewater bottle, and a bottom plate for placing a heating stove is arranged on the bracket below the steaming pot. In the teaching use process, steam can be generated by heating water in the steaming pot above the heating stove, when the steam volatilizes continuously, and the water in the stove is intermittently lowered to be lower than the water level of a bottle opening of the water bottle, underthe pressure effect of the outside air, air is squeezed into the passage tube from an opening of the passage tube and the bottle from the bottle opening of the water bottle, the air pressure and water pressure in the bottle make the water squeezed into the stove, the water bottle on the side can supplement cold water continuously, and in this way, the processes of steam generation and volatilization and cold water supplementing under the action of the air pressure and water pressure can be demonstrated for students.

The invention relates to a heat treatment method of a vertical type pressure kettle for a deep sea simulation pressure test cylinder. The heat treatment method of the vertical pressure kettle for thedeep sea simulation pressure test cylinder is characterized in that a cylinder body of the vertical pressure kettle planed to carry out heat treatment is divided into an upper cylinder body and a lower cylinder body, wherein the upper cylinder body and a cylinder body end part are welded into an upper cylinder assembly, the lower cylinder body and a shell cover are welded to a lower cylinder assembly, the upper cylinder body assembly is conveyed into a heat treatment furnace, and the first heat treatment is carried out; the cylinder body end part and a flat cover assembly as well as a shearingring matching surface are subjected to finish machining, and are integrally welded with the lower cylinder assembly after finish machining is carried out, the lower cylinder assembly and the upper cylinder assembly are partially fed into the heat treatment furnace for secondary heat treatment, the residual small part of the upper cylinder assembly, the flat cover assembly and a shearing ring aresubjected to heat insulation protection outside a furnace. According to the heat treatment method, a segmented heat treatment method is adopted, so that the quality requirement of welding heat treatment is ensured, and the requirement for assembling and sealing on a water pressure test is ensured as well, so that the use requirement is met; and according to the method, the welding stress can be removed by the secondary heat treatment, so that it is ensured that the requirement for the assembling sealing precision of the flat cover assembly and the shearing ring after the cylinder body end partis subjected to the finish machining.

The invention provides a water vending machine with a remote alarm function. The water vending machine comprises a water vending machine body and a data transmission module arranged on the water vending machine body, wherein a water tank for storing pure water is arranged in the water vending machine body, the water vending machine body is further provided with a switch control module, a water shortage alarm module, a water supply failure alarm module and a power failure alarm module which are respectively connected with the data transmission module, the switch control module is connected with the power switch of the water vending machine, the water shortage alarm module is connected with a water level meter in the water tank, the water supply failure alarm module is connected with the water pressure gauge of a water inlet pipe, the power failure alarm module is connected with a power supply, and a remote-end mobile phone terminal is provided with a data receiving module. The water vending machine has the advantages that the parameters of the various parts of the water vending machine are transmitted to the remote-end mobile phone terminal through a 4G network, the mobile phone terminal transmits instructions back to the water vending machine, and remote monitoring is achieved.

The invention discloses a preparation process of an oil filler pipe. The preparation process comprises the steps: selecting materials, preparing a pipe in a molding manner, welding, cooling with water, expanding the pipe, trimming and grinding, detecting a weld, coating with alloy, warehousing, detecting and the like. According to the preparation process of the oil filler pipe, a steel pipe is molded for three times, the steel pipe is welded under the protection of gas, so that a steel plate is effectively machined into a round pipe by virtue of the combined operation, the damage to the steel plate caused by the one-step molding can be avoided, the resistance is improved, the steel pipe is ground and detected with an X ray and is subjected to water pressure, and the combined steps can comprehensively detect whether the steel pipe has a weld seam and whether the pressure resistance is qualified or not; and the preparation process is simple and capable of effectively improving the resistance and characteristics of the oil filler pipe.

The invention discloses a pneumatic control high-pressure water valve group, and mainly relates to the technical field of valve equipment. A concentrated water inlet channel and a compressed air inlet channel are designed, an electromagnetic reversing valve and a cartridge water valve are integrated together through an integrating block, and therefore the high integration of the water valve group is realized; the passage connection manner of the electromagnetic reversing valve is opposite to that of an existing product, the passage connection of the valve is changed to adapt to the requirement of plate installation, the left and right outer diameters of a valve element of the cartridge water valve are exactly the same, the valve element and a valve assembly are sealed by a circumferential seal, no matter where the valve element is located, the high pressure water pressure is completely balanced, and the valve element can move only by overcoming friction force; and by means of the completely balanced type design, the compact structure is achieved, electricity, gas and liquid water are perfectly combined together through the water valve group designed in a brand new manner, flow is large, the structure is compact, the product integration degree is high, installation and connection are convenient, an independent electromagnetic pneumatic reversing valve control cabinet is omitted, and the electromagnetic pneumatic reversing valve is directly integrated on the water valve group.

The invention discloses constant-pressure energy-accumulating water supply equipment, which is directly connected to a municipal running water pipe so as to supply water to a building. The constant-pressure energy-accumulating water supply equipment is a totally closed energy-efficient and safe water supply system which is composed of a constant-pressure flow controller, a constant-pressure energy accumulator, pressure energy converters, a cache energy accumulator, a potential energy accumulator, a water pump, a central intelligent controller, an online pressure transfer device, pipelines, valves and the like. According to the equipment, by adopting a constant-pressure energy-accumulating water supply mode, which is more energy-efficient than a conventional variable-frequency water pump set, on the pressurized water supply part of the water pump, the water pump is efficient in operation, and an optimum energy-efficient effect is achieved; and meanwhile, the equipment, with the application of the constant-pressure flow controller, the pressure energy converters and the constant-pressure energy accumulator, can achieve constant-pressure energy accumulation and water accumulation on the basis of the full utilization of municipal pressure, so as to reduce the influence of the water supply equipment on the water pressure and water quantity of a municipal pipe network, avoid secondary pollution of running water quality and effectively guarantee the safety of water supply.

The invention relates to the field of industrial water storage tanks, and discloses an industrial water storage tank with an anti-overflow function. The industrial water storage tank comprises an industrial water storage tank, an industrial reservoir with an upward opening is arranged in the industrial water storage tank, the lower wall of the industrial reservoir communicates with a water outlet pipeline, one side of the water outlet pipeline communicates with a closed cavity, a movable sealing plate is arranged in the sealing cavity, and a flowing water pipe is arranged in the side wall, away from the sealing cavity, of the water outlet pipeline. According to the industrial water storage tank with the anti-overflow function, when the liquid level rises, the flowing area of inflow water flow in the water inlet pipeline is changed according to the flowing speed of water flow in the flowing water pipe, inflow of an external water source is further reduced, and when the flowing speed of the inflow water flow is too large, the upper side and the lower side of the water inlet pipeline are closed, therefore, the water inlet pipe is closed when the device is about to overflow due to overlarge water pressure of the external water inlet source, and the overflow in the industrial reservoir is further prevented.