61results about How to "Air pressure adjustment" patented technology

The invention provides a high-pressure absorber with double cylinders provided with a floating piston assembly. The high-pressure absorber comprises an inner working cylinder, a piston assembly arranged in the inner working cylinder, damping oil, inert gas and a piston rod on a piston, wherein the upper part of the inner working cylinder is provided with a guider; the upper end of the guider is provided with a sealing dustproof cover and a sealing ring; an outer working cylinder is arranged outside the inner working cylinder; the floating piston assembly is arranged in a cavity of the outer working cylinder; a compression valve assembly is arranged in a bottom area, which is matched with inner walls of the outer working cylinder, of the inner working cylinder; an oil through valve is arranged inside the compression valve assembly; the valve is opened through damping force so that an oil way between the inner working cylinder and the outer working cylinder is unblocked; the inert gas is filled in an upper area, in which the floating piston assembly is arranged, of the outer working cylinder; and the damping oil is filled in other areas between the inner working cylinder and the outer working cylinder. The floating piston assembly is arranged in the cavity of the outer working cylinder, and an oil storage area of the damping oil is enlarged, so that the travel of the piston is maximized; connecting rods of various specifications can be applied to the absorber; and the absorber is wide in application and is an ideal absorber.

The invention discloses an infusion device and an infusion control method. The infusion device comprises an air pump, a balance cabin, a gas transmission tube, an infusion tube, a light curtain detection assembly and a first controller; the air pump is connected with the balance cabin; the balance cabin is connected with a liquid container through the gas transmission tube; a drip pot is arranged inside the infusion tube; liquid flowing into the infusion tube from the liquid container forms into liquid drops in the drip pot; the light curtain detection assembly is used for detecting the liquid drops in the drip pot through a generated detection light curtain and sending a first detection signal to the first controller when detects the liquid drops; the first controller is used for calculating first dripping speed of the liquid drops in the drip pot according to the first detection signal, comparing the first dripping speed with preset dripping speed and controlling the air pump to pump gas to the balance cabin to control the balance cabin to discharge the gas to adjust an air pressure value inside the balance cabin to enable the first dripping speed to be matched with the preset dripping speed. Accordingly, infusion stability and accuracy can be guaranteed and medical negligence can be reduced.

The invention relates to a high-environmental-tolerance air pressure type anemometer. The high-environmental-tolerance air pressure type anemometer comprises a flow guide assembly, an air pressure detection assembly and a pressure stabilizing assembly. The flow guide assembly includes an air duct cavity composed of an upper drainage surface and a lower drainage surface, wherein the upper drainage surface and the lower drainage surface are parallel to each other; the air pressure detection assembly includes a closed cavity, the closed cavity is located in the center of the low drainage surface, the upper portion of the closed cavity is of a spherical surface shape, the spherical surface of the closed cavity is made of a soft film, and a pressure sensor is arranged at the round bottom of the closed cavity; a plurality of air guide plates are arranged between the upper drainage surface and the lower drainage surface in an annular array mode, the axes of the air guide plates are located in the direction of the diameter of the closed cavity, and the plane where the air guide plates are located is perpendicular to a pressure bearing surface; the pressure stabilizing assembly comprises a pressure controller and an air pump, the ultimate bearing pressure of the spherical surface of the closed cavity is A, and actually measured wind pressure is B; when (A-B) / A is smaller than 10 percent, the pressure controller starts the air pump to pressurize the closed cavity; when (A-B) / A is greater than 10 percent, pressurization is stopped.

The invention relates to a steam supply equalizing device for sealing the shaft end of a steam turbine, comprising: a shaft seal body chamber of a low-pressure cylinder, a rotor of the low-pressure cylinder, a steam seal block and a central control module. The present invention sets the central control module so that the central control module can select the corresponding steam flow according to the load and back pressure of the unit, which can effectively prevent the air pressure in the shaft seal chamber of the low-pressure cylinder caused by too high steam flow when the low load and back pressure are selected. If the temperature is too high, the steam leakage in the chamber of the shaft seal body of the low-pressure cylinder will occur, which effectively improves the steam seal efficiency of the device. At the same time, a steam return chamber is also provided in the shaft seal body chamber of the low-pressure cylinder, and by setting a steam return valve at the port of the steam return chamber and adjusting the opening of the steam return valve, the pressure in the shaft seal body chamber of the low-pressure cylinder can be effectively adjusted. The total amount of steam, thereby completing the efficient adjustment of the air pressure in the chamber of the shaft seal body of the low-pressure cylinder, further improving the steam seal efficiency of the device.

The invention discloses a manufacturing method of a centering rod for measuring. A centering rod bottom tip, a carbon fiber tube with decimeter scales, a fixing clamp with a round level bubble, a locking system, an aluminum alloy round pipe with scales, a connector, an air pressure adjusting piston are manufactured. The centering rod bottom tip is connected with the bottom of the carbon fiber tube with the decimeter scales, the fixing clamp with the round level bubble is arranged at the upper end of the carbon fiber tube with the decimeter scales and is used for fixing the locking system, the aluminum alloy round tube with scales is inserted into the hollow carbon fiber tube with the decimeter scales by the locking system, the connector is arranged at the upper end of the aluminum alloy round tube with the scales, and the air pressure piston is arranged at the lower end of the aluminum alloy round tube with the scales. The centering rod for measuring can fast, conveniently and firmly fix an inner tube and an outer tube of the centering rod together, the inner tube can be fixed at any position and the centering rod is convenient and fast to stretch and retract.

The invention discloses air pressure gun pressure stabilizing equipment for demolding of finished gloves, and belongs to the technical field of glove demolding. The air pressure gun pressure stabilizing equipment comprises a box body, two symmetrical box doors are arranged on the front face of the box body, a power supply connecting wire is arranged on the back face of the box body, an air compressor is arranged in the box body, an output end of the air compressor is connected with a second air guide pipe, a pressure stabilizer is arranged at the other end of the second air guide pipe, a first air guide pipe is arranged at the top of the pressure stabilizer, the other end of the first air guide pipe is connected with an air nozzle, and an air channel is formed in the air nozzle. By arranging the pressure stabilizer, air can be pressed into a first air wall and a second air wall through the second air guide pipe during use, the first air wall can be extruded through a pressure stabilizing spring and a spring plate, so that the air pressure in the first air wall is always kept stable, and under the action of mechanical elastic force of the pressure stabilizing spring, the air pressure can be adjusted more sensitively, and the pressure stabilizing effect of the equipment in use is improved.

The invention discloses a novel air inlet and exhaust device of a water supply flow-stabilizing tank. The novel air inlet and exhaust device comprises a base, wherein support rods fixedly connected with the base are symmetrically arranged on the upper side of the base, a first rotation groove and a second rotation groove are arranged in each support rod, a first rotation shaft rotatably connectedwith the first rotation groove is inserted in the first rotation groove, a second rotation shaft rotatably connected with the second rotation groove is inserted in the second rotation groove, the first rotation shaft is positioned below the second rotation shaft, and a first rotation plate is arranged on the first rotation shaft. The novel air inlet and exhaust device of the water supply flow-stabilizing tank has the advantages that through the combined action of air pressure in a tank body and the external atmospheric pressure, when air pressure in the tank body is relatively high, a connecting rope pulls a pressure block, then air can be exhausted from an air outlet pipe, meanwhile, the exhausted air passes through a drying device, thus moisture can be eliminated, therefore, the use safety of the device is improved, when air pressure in the tank body is relatively low, under the effect of the external atmospheric pressure, the air inlet pipe is opened, air enters the tank, and the air pressure in the tank is regulated.

The invention relates to a comprehensive treatment device for feces, which comprises a feces collection device, a device main body shell, a feces storage chamber part, a steam treatment device, a fermentation chamber and a temporary fertilizer storage chamber. By installing a detachable feces collection device, users can collect feces at any time and finally collect them in the feces storage chamber. After steam treatment and fermentation, the feces are stored as fertilizer, which not only has a very good effect on improving the urban environment , It can also provide organic fertilizers, which can really turn harm into benefit.

The invention discloses a sealed accommodating bin. The sealed accommodating bin comprises a wall body and a shrinkable supporting frame for supporting the wall body. The shrinkable supporting frame comprises a shrunken state and an expanded state, and the shrinkable supporting frame can be in the shrunken state and the expanded state. In the expanded state, at least one sealed accommodating cavity for accommodating patients is formed by enclosing the wall body, the sealed accommodating bin further comprises an air pressure adjusting device which can monitor and adjust the air pressure in thesealed accommodating cavities. According to the sealed accommodating bin, he shrinkable supporting frame can be in the shrunken state and the expanded state, in the expanded state, at least one sealedaccommodating cavity for accommodating patients is formed by enclosing the wall body, the building of the sealed accommodating bin can be completed quickly, the sealed accommodating bin is put into use, in addition, since the air pressure adjusting device can monitor and adjust the air pressure in the sealed accommodating cavities, the air pressure in the sealed accommodating cavities can be adjusted as required.

The invention relates to an engine plateau air inlet simulation device. The engine plateau air inlet simulation device comprises a pressure stabilizing box. The pressure stabilizing box is separated by a separator plate into a first cavity and a second cavity. The first cavity has an air inlet connected with an air supply system and an air outlet connected with an engine air inlet pipe. The second cavity is used for connecting with a pressure supply device. The pressure stabilizing box is provided with a pressure regulating structure for enabling the first cavity and the second cavity to be communicated or blocked so as to adjust the pressure in the first cavity. The air supply system supplies air into the first cavity of the pressure stabilizing box through the air inlet, and the pressure regulating structure can enable the air in the first cavity to be discharged into the second cavity so as to reduce pressure in the first cavity, or enable the air in the second cavity to flow into the first cavity so as to increase the pressure in the first cavity, thereby realizing adjustment of pressure of air entering the engine air inlet pipe and achieving an effect of accurately controlling inlet pressure of an engine by simulating plateau air inlet states.

The invention relates to the technical field of cosmetic filling, and discloses a cosmetic filling device capable of removing air bubbles and suitable for different concentrations, including an air pressure tank, a feeding pipe is inserted into the top of the air pressure tank, and the inner top of the air pressure tank A vacuum cover is fixedly connected, the top of the vacuum cover is movably connected with a swing door, the inner wall of the air pressure tank is fixedly connected with a suction block, the bottom of the hopper is plugged with a discharge pipe, and the inside of the discharge pipe is fixed A stirring wheel is connected, a filling head is plugged into the bottom of the air pressure tank, a sliding rheostat is fixedly connected to the inner bottom of the air pressure tank, and a runner is fixedly connected to the bottom of the hopper. This can remove air bubbles and is suitable for cosmetic filling devices with different concentrations. The drop of the hopper drives the push rod down, and the drop of the push rod reduces the air pressure in the air pressure box, and the air pressure box reduces the air bag. The effect that the air pressure can be adjusted according to the concentration is achieved.

The invention belongs to the field of municipal machinery, in particular to a paver for municipal engineering construction and a construction method thereof. Aiming at the existing automatic paver which has been adopted, on the one hand, the cost is high, on the other hand, the operation is complicated, and part of it requires For the problem of manual operation, the following scheme is proposed. The paver includes a machine body. An installation box is fixedly installed on one side of the body, and a sloping plate is fixedly installed on the bottom inner wall of the installation box. A plurality of conveying rollers are rotatably connected, and a discharge hole is opened on the inner wall of the bottom of one side of the installation box, and the plurality of conveying rollers are all located on one side of the inclined plate, and both sides of the inclined plate are fixedly installed with coaming plates , the present invention can realize automatic laying of floor tiles, and can carry out compaction after laying floor tiles, can effectively replace manual laying with this, greatly reduces labor use cost, and can effectively improve work efficiency, therefore has good practicability.

An air pressure adjusting device of an automatic dispensing device comprises a fixed support, a drive unit and an adjusting through-pipe. The air pressure adjusting device also contains an eccentric wheel. The drive unit contains a rotating shaft which is fixed to the eccentric wheel. The fixed support contains a support body and a first interconnecting piece and a second interconnecting piece which extend from the support body. The eccentric wheel is mounted between the first interconnecting piece and the second interconnecting piece. The adjusting through-pipe is arranged on the eccentric wheel and two ends of the adjusting through-pipe are respectively installed on the first interconnecting piece and the second interconnecting piece. The rotating shaft of the drive unit is used for rotating in a first rotation direction to drive the eccentric wheel to rotate so as to make the eccentric wheel squeeze the adjusting through-pipe and rotating in a second rotation direction, which is opposite to the first rotation direction, to drive the eccentric wheel to rotate so as to make the eccentric wheel relax the adjusting through-pipe, thus adjusting air pressure in the adjusting through-pipe.

The invention discloses an infusion device and an infusion control method. The infusion device comprises an air pump, a balance cabin, a gas transmission tube, an infusion tube, a light curtain detection assembly and a first controller; the air pump is connected with the balance cabin; the balance cabin is connected with a liquid container through the gas transmission tube; a drip pot is arranged inside the infusion tube; liquid flowing into the infusion tube from the liquid container forms into liquid drops in the drip pot; the light curtain detection assembly is used for detecting the liquid drops in the drip pot through a generated detection light curtain and sending a first detection signal to the first controller when detects the liquid drops; the first controller is used for calculating first dripping speed of the liquid drops in the drip pot according to the first detection signal, comparing the first dripping speed with preset dripping speed and controlling the air pump to pump gas to the balance cabin to control the balance cabin to discharge the gas to adjust an air pressure value inside the balance cabin to enable the first dripping speed to be matched with the preset dripping speed. Accordingly, infusion stability and accuracy can be guaranteed and medical negligence can be reduced.

The invention belongs to the field of valves, and particularly relates to an inflation valve for a multi-layer tire. The inflation valve for the multi-layer tire comprises a valve for inflating and deflating one layer of the tire. An external air passage is arranged outside the valve, the external air passage communicates with another layer of the tire, the external air passage is provided with anisolation device for isolating the gas in another layer from communicating with the outside, and the gas in another layer can be released by opening the isolation device. The inflation valve for themulti-layer tire has a simple structure, and the external air passage is additionally arranged on the basis of not changing the structure of the valve, so that the air pressure in the multiple layersof the tire can be adjusted.