47results about How to "To achieve supercharging effect" patented technology

The invention relates to a novel gas-liquid pressure cylinder. The novel gas-liquid pressure cylinder comprises a front end cover, a working cylinder body, a hydraulic cylinder body, a middle gas-liquid cylinder conversion cover, an air cylinder body and a rear end cover which are all sequentially connected. The rear end cover is provided with a pressurizing air inflow channel. A pressurizing piston and a gas-liquid sealing block are arranged in the air cylinder body. The pressurizing piston is provided with a pressurizing rod. The pressurizing rod penetrates the gas-liquid sealing block in a sealed manner and is sleeved with a reset spring with the two ends making contact with the pressurizing piston and the gas-liquid sealing block all the time. The middle gas-liquid cylinder conversion cover is provided with a through hole matched with the pressurizing rod and a liquid inflow channel. A working piston is arranged in the working cylinder body and is limited through the side wall of the hydraulic cylinder body. Working rods are arranged on the two sides of the working piston, the working rod on one side is in seal fit with a through hole on the hydraulic cylinder body, and the working rod on the other side penetrates the front end cover in a sealed manner. A rapid air inlet channel is arranged on the hydraulic cylinder body, an outlet of the rapid air inlet channel is arranged on the lateral wall of the hydraulic cylinder body and faces the working piston. The front end cover is provided with a return air inflow channel communicated with the working cylinder body. The novel gas-liquid pressure cylinder is simple in structure, easy to operate, high in return speed, fast and stable in pre-pressing operation and capable of easily resetting the pressurizing piston.

The invention discloses a high-flow long-life roll type reverse osmosis membrane element. The high-flow long-life roll type reverse osmosis membrane element comprises a central pipe, membrane bags and a water inlet grid. A water cavity is formed in the central pipe, and water passing holes are formed in the side wall of the central pipe and communicated with the water cavity. The membrane bags are wound on the central pipe, the water inlet grid is arranged between the membrane bags, and the interiors of the membrane bags are communicated with the water cavity through the water passing holes of the central pipe. The upper ends of the membrane bags and the upper end of the water inlet grid serve as raw water inlet ends, raw water is filtered through the membrane bags and then enters the water cavity of the central pipe, and the lower ends of the membrane bags and the lower end of the water inlet grid serve as concentrated water discharging ends. The thickness of the raw water inlet end and the concentrated water discharging end of the water inlet grid is larger than that of the middle of the water inlet grid, and thus a wide raw water inlet channel, a narrow middle water inlet channel and a wide concentrated water discharging channel are formed as the two ends of the water inlet grid are thick and the middle of the water inlet grid is thin. By means of the high-flow long-life roll type reverse osmosis membrane element, the pure water yield per unit time can be increased, the concentration polarization effect can be relieved, dirt is not likely to attach to the surfaces of reverse osmosis membranes, and thus the service life of the reverse osmosis membranes is prolonged.

The glue sprayer for coating leakage-preventing and noise-reducing glue layer to inner surface of automobile tyre includes a glue smelting tub divided into a fast smelting area, a heating area and a maintaining area and provided with a heat dissipating plate; a air-glue cylinder including a air cylinder with an upper hole to the outside and a lower hole to the air pump, and a glue cylinder connected serially to the air cylinder communicated via a first non-return valve to the glue smelting tub and communicated via a second non-return valve to a glue conveying pipe; and a nozzle mechanism. It has also a heating layer controlled with a temperature controller and a maintaining layer in the glue liquid flow part, and a shifting unit. The present invention features its optimized glue liquid temperature control, proper viscosity control and continuous operation.

The invention belongs to the technical field of compressors, and particularly relates to a swinging reversing two-stage pressurization zero-clearance type ionic liquid compressor. Ionic liquid compressors use ionic liquid instead of metal pistons to generate high pressure under isothermal condition, however, an existing ionic liquid compressor uses 5-stage compression, and is complex in structure,difficult to machine and high in cost, so that the construction and development of a hydrogen refueling station are limited. The swinging reversing two-stage pressurization zero-clearance type ionicliquid compressor comprises a hydraulic mechanism and a gas pressurization mechanism which are mutually connected; the gas pressurization mechanism comprises a hydraulic swinging assembly, the hydraulic swinging assembly is connected with a first-stage gas pressurization assembly, and the hydraulic swinging assembly is connected with a second-stage gas pressurization assembly; and the hydraulic swinging assembly is connected with the hydraulic mechanism through a reversing assembly. According to the compressor, the structure is simple, machining is convenient, the control precision is high, the energy consumption is low, the clearance volume is zero, the universality is strong, hydrogen is not polluted and the cost is low.

The invention relates to a vertical greening system for buildings, which comprises a wall, supporting frames arranged at intervals along the height direction of the wall, planting containers erected on the supporting frames, irrigation pipes for irrigating green plants in the planting containers, a first irrigation device communicated with one ends of the irrigation pipes and a second irrigation device communicated with the other ends of the irrigation pipes. The second irrigation device comprises a second inflow pipe, a first connecting pipe communicated with the peripheral side wall of the second inflow pipe, a wind energy acquisition mechanism arranged above the second inflow pipe, a supercharging mechanism for increasing the water pressure in the second inflow pipe towards the first connecting pipe, and a conversion mechanism for converting wind energy into mechanical kinetic energy and transmitting the mechanical kinetic energy to the supercharging mechanism; the second inflow pipe is provided with a partition plate which divides an inner cavity of the second inflow pipe into a pressurizing cavity and a spraying cavity, an opening formed in the partition plate, a retaining plate which movably seals the opening and an elastic resistance part which forces the retaining plate to seal the opening; and the first connecting pipe is communicated with the spraying cavity. The vertical greening system for buildings has the advantage of reduced soil loss.

The invention discloses a water supply and drainage ditch wall cleaning machine for houses and residences. The structure comprises a driver, a motor, an spray sleeve ring, a walking wheel, amounting cylinder, a steering swing wheel, a vertical fixing bar, a water tank, a push handle, a cover, a pressurizer and a connecting water pipe; the left and right ends of the base are respectively provided with a spray sleeve ring and a mounting cylinder, the water tank is mounted above the mounting cylinder by clearance fit; the actuator is mounted at the rear end of the pressurizer by clearance fit, vertically connected to the water tank; the motor is nested in the middle above the spray sleeve ring; two spray sleeve rings are arranged in an interference fit mode and respectively installed at the front and rear ends of the left side of the base, the steering swing wheels are nested at the front and rear ends of the right side under the base, an interference fit is adopted; when the cleaning machine cleans the drain ditch, the spraying effect of the water pressure can be enhanced, the dirt can be cleaned directly by the water pressure spraying, no manual scrubbing is needed, the use is convenient, and the cleaning efficiency is high.

The invention belongs to the technical field of compressors, and particularly relates to a phase difference real-time adjusting type three-level pressurizing zero-clearance type ionic liquid compressor. Ionic liquid is adopted in the ionic liquid compressor for generating high pressure, but, an existing ionic compressor adopts five-level compression, the structure is complex, machining is difficult, cost is high, the provided phase difference real-time adjusting type three-level pressurizing zero-clearance type ionic liquid compressor comprises a hydraulic mechanism and a gas pressurizing mechanism which are connected, the gas pressurizing mechanism comprises a first-level gas pressurizing assembly, a second-level gas pressurizing assembly and a third-level gas pressurizing assembly, the first-level gas pressurizing assembly is connected with the hydraulic mechanism through a first reversing assembly, the second-level gas pressurizing assembly is connected with the hydraulic mechanismthrough a second reversing assembly, and the third-level gas pressurizing assembly is connected with the hydraulic mechanism through a third reversing assembly. The compressor is simple in structure,convenient to machine, high in control precision, low in energy consumption, zero in clearance volume, high in generality, free of pollution to hydrogen and low in cost.

An air injection booster handheld shower head comprises a casing, a hollow handle, a Venturi tube and a water discharge assembly, wherein the water discharge assembly is arranged in a lower opening of the casing; the casing is formed integrally with the handle; a main body is provided with an axial air guide slot; the air guide slot ranges from the water intake interface end of the main body to an air intake hole, and is communicated with the air intake hole; and the air guide slot and the inner wall of the opening end of the handle form an air guide water channel. The air injection booster handheld shower head also comprises a water guide tube, wherein one end of the water guide tube is connected with a water discharge interface of the Venturi tube, and the other end is communicated with the hollow cavity between the top plate of the casing and the water discharge assembly.(A) Water introduces air when flowing through the Venturi tube, and the air is mixed fully with the water to form bubble water.(B) The air attracting capability of the shower head is improved greatly; and even if the multifunctional shower head switches gears, the water keeps flow speed unchanged and is injected along the water guide tube directly into the panel of the shower head to increase water discharge pressure. Therefore, water cannot flow out from air attracting holes even if the water discharge amount is decreased or increased, so as to really achieve the effect of air injection boosting.

The invention discloses a chemical fertilizer quantitative-spreading device used for fruit tree planting and having a material mixing function, relates to the technical field of fruit tree planting and fertilizer spreading, and solves the problem of fertilizer mixing. The chemical fertilizer quantitative-spreading device used for fruit tree planting and having the material mixing function comprises a box body; the upper end face of the box body is provided with a water adding port; the outer surface of one end of the box body is provided with a stirring mechanism; the upper end face of the stirring mechanism is equipped with a stirring mechanism; the other end of the box body is equipped with a carrying mechanism; one side of the box body is equipped with a spray rod; one end of the sprayrod is provided with a spray rack; the other side of the box body is provided with a pressure rod; the upper end face of one end of the pressure rod is provided with a pressurizing cylinder; the innerside of the box body is provided with an inner bin; one side of the inner wall of the inner bin is provided with a filter ball; and the box body and the pressurizing cylinder are connected through anintake pipe. The device has the function of quantitative spreading of fertilizers, and improves the working comfort of an operator.

The invention relates to a brake relay valve regulator and regulating method. The regulator comprises a main air cylinder and an auxiliary air cylinder communicated with the main air cylinder. A fifth through hole connected with a relay valve balance chamber is formed in the main air cylinder, a sixth through hole is formed in the bottom of the main air cylinder, an exhaust channel is formed by the fifth through hole, a main air cylinder inner cavity and the sixth through hole, gas in the balance chamber can be exhausted through the fifth through hole and the sixth through hole at the braking initial stage, gas pressure in the balance chamber is reduced, and the sensitivity of automobile braking is greatly improved. The sixth through hole is formed in the main air cylinder and used for exhausting gas in the relay valve balance chamber, the gas pressure in the balance chamber is reduced, the sensitivity of a relay valve is improved, and meanwhile the boosting effect is achieved.

The invention provides an automatic pressure regulating diaphragm pump. The automatic pressure regulating diaphragm pump comprises a shell, a pump core, a diaphragm connecting seat and a pump body, wherein the pump core comprises a stress swinging bracket, a concentric positioning shaft and a pressure regulating base, the concentric positioning shaft is fixed to the pressure regulating base and isused for guaranteeing the concentricity of the stress swinging bracket when pressure is automatically regulated and preventing a diaphragm from being damaged, and the stress swinging bracket sleevesthe concentric positioning shaft and is pressed by a pressure spring so as to form a certain included angle together with the pressure regulating base. According to the automatic pressure regulating diaphragm pump, a piston moves up and down by using the height difference of both ends generated when the stress swinging bracket which is put in an inclined mode rotates, so that a supercharging effect is achieved, and the maximum water yield under the effect of initial pressure is reached; the included angle of the stress swinging bracket is reduced by using the principle that the pressure of thepiston is increased so as to force the spring to retract when the water yield is low, so that the piston stroke is shortened, the torque output is increased in the condition that motor power is not changed, and a motor is prevented from being damaged while the water outlet pressure is increased.

The invention relates to the field of heat energy and power, in particular to a four-cylinder self-supercharged engine. The four-cylinder self-supercharged engine is a four-stroke internal combustion engine with four steam cylinders. The four-cylinder self-supercharged engine comprises the four steam cylinders, namely, the first steam cylinder, the second steam cylinder, the third steam cylinder and the fourth steam cylinder, a flow stabilizer, a first communicating channel, a second communicating channel and a third air door. The four-cylinder self-supercharged engine is characterized in that the second steam cylinder and the fourth steam cylinder are connected with the first communicating channel; the first communicating channel is connected with the second communicating channel through the third air door in a manner of being capable of being disconnected; the second communicating channel is connected with the first steam cylinder and the third steam cylinder; and after being shut down, the second steam cylinder and the fourth steam cylinder can be switched into superchargers, and supercharging air is provided for the first steam cylinder and the third steam cylinder. The four-cylinder self-supercharged engine has the beneficial effects that the existing cylinder deactivation technology is improved, two steam cylinders are switched into the superchargers after being shut down to supercharge the other two steam cylinders, and the supercharging effect is achieved; and the two superchargers are utilized for jointly supercharging the two corresponding steam cylinders, and a certain supercharging effect is achieved.

The invention discloses a method for detecting the reaction performance of furnace slag and belongs to the field of metallurgy. The method adopts a system for detecting the reaction performance of thefurnace slag and is carried out according to the following steps: S1, preparing a slag system; S2, carrying out temperature-rising treatment on the slag system: weighing quantitative furnace slag andputting the furnace slag into a temperature-rising furnace; heating and melting; S3, grinding to prepare calcium oxide powder; S4, pressing calcium oxide sheets: pressing the calcium oxide powder into the calcium oxide sheets; and S5, adding the calcium oxide sheets and the furnace slag into a detection system and starting to detect. According to the method disclosed by the invention, the disadvantages in the prior art that subjective factor influences on the detection of the reaction performance of calcium oxide and the furnace slag are great and a detection result is not accurate are overcome; the furnace slag is injected into a calcium oxide groove to detect the time needed by dissolving the calcium oxide with a certain thickness through the furnace slag; and changes of a physical signal are used for judging whether reaction reaches a pre-set position, and the accuracy and detection efficiency of detecting the reaction capability of the calcium oxide dissolved in the furnace slag can be improved.

The invention discloses a spraying-height-adjustable selenium-enriched foliar fertilizer atomization type application machine for selenium-enriched rice. The spraying-height-adjustable selenium-enriched foliar fertilizer atomization type application machine comprises a protection box and supporting blocks, the protection box is a main shell structure of the application machine, and a motor is fixedly arranged on the surface of one side of the protection box; and the supporting blocks are fixedly arranged on the bottom surface of the protection box, fixing columns penetrate through the outer surfaces of the supporting blocks, and wheels are fixedly connected to the surfaces of one sides of the fixing columns. According to the spraying-height-adjustable selenium-enriched foliar fertilizer atomization type application machine for selenium-enriched rice, a bolt hand wheel can drive a roller to rotate through a limiting block by screwing the bolt hand wheel, the roller winds a connecting chain, at the moment, the connecting chain can pull a drainage pipe to move upwards under the auxiliary action of a guide block, through the self-locking effect of the bolt hand wheel, the position fixing effect is achieved, the height adjusting effect is achieved, atomization is carried out through am atomization nozzle, and atomized water can be better attached to the leaf surface.

The invention discloses an intelligent night safety warning illuminator which comprises a current sensing module, the electrical output end of the current sensing module is connected with a control chip, and the electrical output end of the control chip is connected with an electricity taking switch; the booster circuit is connected to the electrical output end of the power taking module, the electrical output end of the booster circuit is connected with a voltage stabilizing module, and the electrical output end of the voltage stabilizing module is connected with a booster module; the electrical output end of the light-emitting module is connected with an LED light-emitting lamp strip. Compared with an existing device, the intelligent night safety warning illuminator has the advantages that voltage required by the circuit can be provided through the power taking module, the obtained voltage can be boosted through the booster circuit, and the voltage of the circuit can be stabilized through the voltage stabilizing module when the voltage is boosted to a specified height, so that the stability of the voltage in the circuit can be ensured; and the boosting module can boost the circuit again after the voltage is stable, so that a progressive boosting effect is achieved.

The invention relates to the technical field of self-priming pumps, in particular to a magnet-free idling-resistant integrated modular temperature-resistant and corrosion-resistant high-lift self-priming pump. The magnet-free idling-resistant integrated modular temperature-resistant and corrosion-resistant high-lift self-priming pump comprises a motor and a pump head driven by the motor to pump liquid. The motor comprises a motor shell made of plastic, corrosion-resistant bearing seats, a corrosion-resistant motor shaft, a rotor assembly and a stator. The two ends of the corrosion-resistant motor shaft are connected into the corrosion-resistant bearing seats in a shaft mode through corrosion-resistant bearings. The rotor assembly is formed by coating the surface of a rotor with a rotor plastic shell, and is connected to the outer wall of the corrosion-resistant motor shaft in a sleeving mode. The stator is fixed to the inner wall of the motor shell and is arranged outside the rotor assembly in a gap and sleeving mode, and the gap is 300-600 micrometers. Compared with the prior art, the magnet-free idling-resistant integrated modular temperature-resistant and corrosion-resistant high-lift self-priming pump requires no magnet, the magnetic density gap can reach 300-600 micrometers, and the problem of narrow magnetic density gap of an asynchronous motor is solved; the plastic is used for realizing the isolation of the pump head for circulating liquid from the motor, and the corrosion-resistant effect is achieved; and the structure is simple, transmission is simple, abrasion resistance and corrosion resistance are achieved, self priming is realized, and the shortcomings that a pump with a magnet is complicated, prone to being damaged, prone to leaking, and not resistant toidling are overcome.

The invention discloses a pressurizing water cutting device for production of automobile carpets. The pressurizing water cutting device comprises a cutting frame and a host control mechanism, wherein the host control mechanism is arranged at the cutting side; an upper charging press roll and a lower charging press roll are arranged at the charging end of the cutting frame; an upper discharging press roll and a lower discharging press roll are arranged at the discharging end of the cutting frame. The pressurizing water cutting device has the advantages that when the thicker raw material is cut by the existing robot, the cutting device needs to be additionally provided with a pressurizer, but the pressurizing water cutting device is directly provided with a high-pressure connection head, so that the pressurizing effect can be reached through changing the structure of a cutting nozzle, and the thicker material can be cut; the cost is reduced, the installation is more convenient, the carrying and storage are convenient, and the space is saved.

The invention relates to the field of heat energy and power and in particular relates to a six-cylinder self-pressurizing engine. The engine is a four-stroke internal combustion engine provided with six cylinders. The engine is characterized in that the cylinders II, IV and VI are connected to a communicating channel I, the communicating channel I is connected to a communicating channel II through an air door III in a disconnecting manner, and the communicating channel II is connected to the cylinders I, III and V; the cylinders II, IV and VI which are deactivated can be converted into pressurizers to provide pressurized air for the cylinders I, III and V. The engine has the beneficial effects that 1, an existing cylinder deactivation technology is improved, and the pressurizing effect is achieved by converting the cylinders II, IV and VI which are deactivated into the pressurizers to provide pressurized air for the cylinders I, III and V; and 2, the three pressurizers are used to jointly pressurize the three cylinders with certain pressurizing effects.

The invention discloses a method for detecting the reaction performance of furnace slag and belongs to the field of metallurgy. The method adopts a system for detecting the reaction performance of thefurnace slag and is carried out according to the following steps: S1, preparing a slag system; S2, carrying out temperature-rising treatment on the slag system: weighing quantitative furnace slag andputting the furnace slag into a temperature-rising furnace; heating and melting; S3, grinding to prepare calcium oxide powder; S4, pressing calcium oxide sheets: pressing the calcium oxide powder into the calcium oxide sheets; and S5, adding the calcium oxide sheets and the furnace slag into a detection system and starting to detect. According to the method disclosed by the invention, the disadvantages in the prior art that subjective factor influences on the detection of the reaction performance of calcium oxide and the furnace slag are great and a detection result is not accurate are overcome; the furnace slag is injected into a calcium oxide groove to detect the time needed by dissolving the calcium oxide with a certain thickness through the furnace slag; and changes of a physical signal are used for judging whether reaction reaches a pre-set position, and the accuracy and detection efficiency of detecting the reaction capability of the calcium oxide dissolved in the furnace slag can be improved.

The invention aims to provide a skid-mounted type heat energy circulation combination device. According to the technical scheme, the skid-mounted type heat energy circulation combination device comprises a skid-mounted frame, two insulation buffer tanks, a booster pump, a control box, a filter, a purification input pipe, a purification output pipe and a constant-temperature storage tank. Each insulation buffer tank is provided with a liquid coming pipeline and a liquid coming conveying valve. The filter comprises a sewage accumulation tank, a purification storage tank, a liquid coming purification valve and two sewage discharge pipes. The skid-mounted frame is provided with a plurality of hanging rings. The mechanism is a combination device, skid-mounted type structural design is adopted,overall circulation mechanism transport, packaging and installation can be convenient, insulation of liquid heat can be conducted effectively, purification filtration is conducted, quality of the liquid heat energy is ensured, and heat energy circulation and recycling are achieved. The whole skid-mounted type heat energy circulation combination device is clear in structural thinking, simple and convenient to operate, full-sealed type structural design is adopted, thus the circulation effect is better, environment protection is achieved, service life is long, work efficiency is improved, and operation cost of enterprises is lowered.

The invention discloses a multifunctional shower. The multifunctional shower comprises a shower head and a handle which are fixedly connected. The handle comprises a first shell and a second shell; the first shell is arranged outside the second shell in a sleeving manner; the side, close to the shower head, of the handle is provided with a connection device which divides the handle into a first handle body and a second handle body; the end, close to the connection device, of the first handle body is provided with a magnetic therapy buckle; the tail end of the second handle body is provided with a supercharger; a water outlet panel is arranged on the top of the shower head and provided with a plurality of through holes formed through laser punching; and negative ion balls are arranged in the shower head. According to the multifunctional shower, the magnetic therapy buckle is arranged on the handle, a magnetic field can be generated in the using process, and a health-care effect is achieved; and the negative ion balls are arranged in the shower head, ceramic balls and far infrared mineralization balls are arranged in the handle, inlet water is filtered three times, impurities and bacteria in water are removed, meanwhile, negative ionization is performed on the water so that the water can be slightly alkaline, and human body health is facilitated.

The invention relates to a gas collecting device of a whole skid booster station. The gas collecting device of the whole skid booster station comprises a gas inlet separator, a booster device, an oil-gas separator, a gas-water separator and a metering valve bank, wherein the gas inlet separator, the booster device, the oil-gas separator, the gas-water separator and the metering valve bank are integrally arranged on a workstation in a pipeline connection mode; the gas inlet end of the gas inlet separator communicates with the gas inlet of the gas collecting device; the gas outlet end of the gasinlet separator communicates with the oil-gas separator through the booster device; the oil-gas separator communicates with the gas-water separator; the gas-water separator communicates with the metering valve bank; and the metering valve bank communicates with the gas outlet of the gas collecting device. The gas collecting device of the whole skid booster station has the beneficial effects thatthrough the integrated skid block design of station-entering separation, gas boosting and output metering, the gas collecting device in the integrated skid block design can replace a booster station so as to achieve a boosting effect. The gas collecting device of the whole skid booster station has the advantages of small occupied area, low investment cost and convenience and flexibility in installation.

The invention relates to a micro-positive pressure air-tight seal type bag turning type automatic centrifugal machine capable of achieving uniform feeding. The centrifugal machine comprises a feeding pipe, a fixed guiding mechanism used for bearing the feeding pipe and guiding the feeding pipe, a driving mechanism used for driving the feeding pipe to move back and forth in the limiting direction of the fixed guiding mechanism, and a hose connected with a feeding inlet of the feeding pipe. The fixed guiding mechanism is fixed to the centrifugal machine. The feeding pipe penetrates through the fixed guiding mechanism to enter the centrifugal machine, and a discharging outlet of the feeding pipe is inserted into a centrifugal cavity of the centrifugal machine. According to the centrifugal machine, uniform material distribution can be achieved in the length direction of a rotor, a uniform filter cake layer can be better formed, and the uniform washing effect can also be achieved. The centrifugal machine further pressurizes the interior of the centrifugal machine and the gap between the contact surfaces of the driving shaft part and the centrifugal machine shell through a first pressurizing part and a second pressurizing part so that the oxygen content in the centrifugal machine can be reduced, the sealing performance of the centrifugal machine is enhanced, and the running safety of the centrifugal machine is effectively improved.

The invention relates to the field of heat energy and power, in particular to a four-cylinder self-pressurization engine. The four-cylinder self-pressurization engine is a four-stroke internal combustion engine with four cylinders and comprises the four cylinders, namely, the first cylinder, the second cylinder, the third cylinder and the fourth cylinder, a first communicating channel, a second communicating channel and a third air door. The four-cylinder self-pressurization engine is characterized in that the second cylinder and the fourth cylinder are connected with the first communicating channel; the first communicating channel is connected with the second communicating channel through the third air door in a disconnectable mode; the second communicating channel is connected with the first cylinder and the third cylinder; and the second cylinder and the fourth cylinder can be transformed into superchargers after being shut down so as to provide supercharged air for the first cylinder and the third cylinder. The four-cylinder self-pressurization engine has the beneficial effects that firstly, an existing cylinder deactivation technology is improved, and the surcharging effect is achieved by transforming two of the cylinders into the superchargers after the two cylinders are shut down for supercharging the other two cylinders; and secondly, the two superchargers are used for surcharging the other two cylinders together, and a certain supercharging effect can be achieved.

The invention discloses a high-flow long-life roll type reverse osmosis membrane element. The high-flow long-life roll type reverse osmosis membrane element comprises a central pipe, membrane bags and a water inlet grid. A water cavity is formed in the central pipe, and water passing holes are formed in the side wall of the central pipe and communicated with the water cavity. The membrane bags are wound on the central pipe, the water inlet grid is arranged between the membrane bags, and the interiors of the membrane bags are communicated with the water cavity through the water passing holes of the central pipe. The upper ends of the membrane bags and the upper end of the water inlet grid serve as raw water inlet ends, raw water is filtered through the membrane bags and then enters the water cavity of the central pipe, and the lower ends of the membrane bags and the lower end of the water inlet grid serve as concentrated water discharging ends. The thickness of the raw water inlet end and the concentrated water discharging end of the water inlet grid is larger than that of the middle of the water inlet grid, and thus a wide raw water inlet channel, a narrow middle water inlet channel and a wide concentrated water discharging channel are formed as the two ends of the water inlet grid are thick and the middle of the water inlet grid is thin. By means of the high-flow long-life roll type reverse osmosis membrane element, the pure water yield per unit time can be increased, the concentration polarization effect can be relieved, dirt is not likely to attach to the surfaces of reverse osmosis membranes, and thus the service life of the reverse osmosis membranes is prolonged.

The invention discloses a servo quick pressure cylinder comprising a connecting plate, a pressure cylinder block, an oil drum, first driving assemblies and a second driving assembly. The second driving assembly is arranged on the top of the pressure cylinder block, and the side face of the bottom of the oil drum is connected with the side face of the top of the pressure cylinder block to form an oil channel; and a piston rod is arranged in the pressure cylinder block; and one end of the piston rod extends out of the pressure cylinder block, and is connected with the middle of the connecting plate, and the two ends of the connecting plate are connected with first driving assemblies separately. According to the servo quick pressure cylinder, the first driving assemblies and the second driving assembly are used as mechanical transmission force, and in combination with oil pressure, the servo quick pressure cylinder is accurately located during pressurizing; and meanwhile, the servo quickpressure cylinder can adapt to more severe occasions, so that the use requirement of the servo quick pressure cylinder is reduced.

The invention discloses a built-in magnetostrictive displacement pressurizer. The built-in magnetostrictive displacement pressurizer comprises a body structure, wherein the body structure consists ofa body and a front cylinder, the body is provided with a first sliding cavity, a second sliding cavity in the front cylinder communicates with the first sliding cavity, a plug is arranged at the rearend of the front cylinder, an oil outlet communicating with the second sliding cavity is formed in the plug, and a pressure gauge or an oil cylinder is connected through an oil outlet; a piston rod comprises a piston part and a rod body, wherein the piston part is arranged in the first sliding cavity, and the rod body stretches into the second sliding cavity; the built-in magnetostrictive displacement sensor comprises a magnetic ring and a measuring rod, wherein the magnetic ring is arranged at the front end of the piston part, the measuring rod penetrates through the magnetic ring and extendsinto a sliding groove arranged in the piston rod, the front end of the measuring rod is hermetically fixed with the body, and an interval is formed between the measuring rod and the inner wall of themagnetic ring and the inner wall of the sliding groove; and the front end and the rear end of the body are respectively provided with a first oil port and a second oil port, the first oil port and the second oil port communicate with the first sliding cavity, a third oil port is further formed in the rear end of the body, and the front end of the front cylinder is provided with a fourth oil portwhich corresponds to the third oil port and communicates with the second sliding cavity.