35results about How to "Adjust the pressure" patented technology

A suction anchor rod device comprises a hollow columnar anchor rod. A bottom opening of the anchor rod is sealed, a top opening of the anchor rod is provided with a sealing cover plate, and the sealing cover plate and the anchor rod are detachably connected. The section, close to the bottom opening, of the anchor rod is defined as a bottom section, the section, close to the top opening, of the anchor rod is defined as a top section, a plurality of sieve holes are distributed in the side wall of the bottom section of the anchor rod, and the sieve holes communicate with an inner cavity of the anchor rod. A lifting disk is arranged in the anchor rod, the lifting disk is arranged in the anchor rod in the manner that the lifting disk can move up and down in the axial direction of the anchor rod through a lifting device, the lifting disk divides the inner cavity of the anchor rod into an upper cavity and a lower cavity, the cavity containing the top opening is defined as the upper cavity, and the cavity containing the bottom opening is defined as the lower cavity. The suction anchor rod device further comprises a pressure testing device used for testing the air pressure in the lower cavity and a pressure adjusting device used for adjusting the air pressure in the lower cavity. The suction anchor rod device utilizes the principle of effective stress, under the situation that the total stress is certain, the effective stress is improved by reducing the excess pore pressure, the anchor rod side friction is increased, and the overall stability and safety are improved.

The invention discloses a Taiping kowkui automatic processing integrated machine. The Taiping kowkui automatic processing integrated machine comprises a machine frame, an upper rotating conveying belt, a lower rotating conveying belt and a drying unit, wherein the upper rotating conveying belt and the lower rotating conveying belt are arranged on the machine frame in an up-and-down overlapping manner; a forming roller group is arranged at a tea leaf feeding opening; one or more groups of pressing roller groups are arranged behind the forming roller group in a spaced manner; a discharging roller group is arranged at a tea leaf discharging opening; and each pressing roller group comprises a lower pressing roller which is fixedly arranged in the lower rotating conveying belt and an upper pressing roller which is arranged in the upper rotating conveying belt and can flexibly move up and down. The Taiping kowkui automatic processing integrated machine disclosed by the invention is high in automation degree, and high in processing efficiency; tea leaves prepared through the Taiping kowkui automatic processing integrated machine are good in color and luster and low in breakage rate; and the Taiping kowkui automatic processing integrated machine can be widely applied to the processing field of Taiping kowkui tea leaves.

The invention provides a femoral artery compression hemostasis device. The device comprises a base, a bracket, a lifting device, a pressure display device and a compression device; one end of the bracket is fixedly connected with the base; the other end of the bracket is connected with the lifting device; the bottom end of the lifting device is fixedly connected with the top end of the compressiondevice; the lifting device is used for adjusting the compression force of the compression device on a patient; the compression device comprises a sleeve and a pressure rod; one end of the pressure rod extends into the sleeve and is in sliding and sealed connection with the sleeve; the other end of the pressure rod is fixedly provided with a compression pad; the compression pad is used for makingcontact with a user; the sleeve communicates with a pressure display device; and the pressure display device is used for displaying pressure in the sleeve. According to the invention, the pressure display device is used for displaying the pressure in the sleeve, and the lifting device can adjust the compression strength of the device, so that the device has specific numerical value display and numerical value basis for the wound compression strength of a patient, the compression strength does not need to be controlled through the subjective feeling of medical personnel, and the compression strength during compression hemostasis can be accurately regulated and controlled.

The invention discloses a clinical detection device convenient for electrocardiogram, and relates to the technical field of electrocardiogram detection. Aiming at the problems that the use is influenced because the legs of a user are easily blocked by a horizontally placed paper conveying plate and the horizontally placed paper conveying plate occupies more space and is difficult to store becauseprinters of some existing clinical detection devices for electrocardiogram are positioned on the bottom side of a machine body, the invention provides the following scheme that the clinical detectiondevice comprises the machine body and the printer positioned on the front surface of the machine body, wherein the bottom side of the front surface of the printer is fixedly connected with a paper conveying straight plate. According to the clinical detection device, through a folding design between a paper conveying inclined plate and the paper conveying straight plate, the occupation of space isreduced, the paper conveying inclined plate and the paper conveying straight plate are convenient to store, meanwhile, the paper conveying inclined plate and the paper conveying straight plate which are horizontally placed are prevented from blocking the legs of the user, and through the design of a fixing block and a paper pressing sheet, placed printing paper is convenient to press, so that theprinting paper can be placed along the direction of the paper conveying inclined plate and the paper conveying straight plate.

The invention relates to the technical field of heat dissipation verification, in particular to an automatic heat dissipation verification platform and a verification method.The automatic heat dissipation verification platform comprises a test module and a control module, and the test module comprises a driving air cylinder module, an upper fixing module, a pressing plate module, a carrier plate module and a support; the upper fixing module is arranged on the support, the driving air cylinder module is arranged on the upper fixing module, the driving air cylinder module is connected with the pressing plate module, and the pressing plate module comprises a heat dissipation module and a fan; the carrier plate module comprises a heat source plate, the heat source plate is in contact with the heat dissipation module, and a temperature sensor is arranged in the heat source plate; the control module controls the pressure of the air cylinder on the pressing plate module, the rotating speed of the fan and the power of the heat source plate. According to the invention, the pressure intensity of the heat source plate can be adjusted without repeatedly disassembling and assembling parts and arranging various springs, full-automatic parameter adjustment is realized by means of an internal program, a reasonable heat dissipation module verification result and heat dissipation parameters are formed, the design cost is reduced, and the research and development time is saved.

A level flattening printing table adjusting and controlling device comprises an execution hydraulic cylinder, a pressurizing hydraulic cylinder, an electric control valve, a gas-liquid converter and a drive portion. The execution hydraulic cylinder, the pressurizing hydraulic cylinder and the electric control valve are in communication through hydraulic pipes. The pressurizing hydraulic cylinder is connected with the drive portion. The electric control valve is communicated with the gas-liquid converter. The level flattening printing table adjusting and controlling device is simple in structure and easy to operate. Compared with an existing level flattening table controlling device, the level flattening printing table adjusting and controlling device saves the operation time, improves the work efficiency and has a function of adjusting the extent of the pressure on the table position.

The invention belongs to the field of concrete curing, and in particular, discloses a curing film for water reducing agent added concrete. The curing film comprises a ground film and a solidification film; multiple storage tanks for accommodating quicklime are uniformly formed in the ground film; airbags capable of sealing openings of the storage tanks are respectively arranged in the openings of the storage tanks; the ground film is provided with a through hole for vertically penetrating through the ground film; and the solidification film covers the whole ground film. Aiming at the technical problems of weak insulation effect at night and easy generation of lower humidity or higher humidity of the surface of the water reducing agent added concrete, the invention provides the curing film for the water reducing agent added concrete.

The invention relates to the technical field of peristaltic pumps, in particular to an adjustable combined peristaltic pump which comprises a frame assembly, a driving assembly is fixedly mounted on one side of the frame assembly, a pump head roller assembly is fixedly mounted in the frame assembly, and a pressing assembly is rotationally mounted above the inner portion of the frame assembly. Four hose assemblies are evenly inserted in the middle of each frame assembly, an adjusting assembly is fixedly installed on the other side between the frame assemblies, an inner adjusting assembly is fixedly installed on one side of the outer portion of each frame assembly, pressing of the hose assemblies by the pressing assemblies is adjusted through adjusting nuts and the inner adjusting assemblies, and the strength of air pressure in the knitted pipe sleeve is adjusted. According to the device, the pressing force of the hose assembly is conveniently and accurately adjusted, then the output pressure is conveniently and accurately adjusted, the multiple knitted pipe sleeves are arranged, the liquid outlet pulse is effectively reduced, the rotating speed of the stepping motor is reduced, the pressing rigidity of a water passing pipe is reduced through the spring and the knitted hose, and the service life is prolonged.

The invention relates to the technical field of fractionation, in particular to a waste mineral oil atmospheric and vacuum distillation device based on reduced pressure cutting fractionation. The device comprises a fractionation structure and a condensation structure installed on the side face of the fractionation structure, the fractionation structure comprises a fractionation tower, a plurality of discharging ports are formed in the side face of the fractionation tower, a pipeline structure is arranged on the outer side of the fractionation tower and comprises an installation pipe, the installation pipe is connected to the discharging ports in the side face of the fractionation tower, and a first installation hole and a second installation hole are formed in the installation pipe, a pressure reduction structure comprises a partition plate, a round hole is formed in the partition plate, a plug is inserted into the round hole and is of a conical structure, a sliding column is arranged behind the plug, a connecting column is arranged at the tail end of the sliding column, the sliding column is connected into the connecting column, the connecting column is connected into the first installation hole, and a first spring is arranged outside the sliding column in a sleeving mode and located between the plug and the connecting column. The invention aims to solve the problem that bubbles are generated in a condenser pipe due to non-uniform components in the mineral oil discharge process.

The invention discloses a water-saving irrigation device used for garden landscape engineering, and belongs to the technical field of irrigation devices. The water-saving irrigation device comprises an outer casing pipe, an inner casing pipe, a movable component, a friction component, a position clamping component and a spray head component, wherein the inner casing pipe is installed in the outercasing pipe; one end of the inner casing pipe is connected with the movable component; and the movable component can be convenient for the irrigation device to reduce friction between a water pipe andthe ground in a movement process so as to assist workers in saving strength. The water-saving irrigation device is scientific and reasonable and is safe and convenient to use. The junction of the outer casing pipe and the inner casing pipe is provided with the friction component, the friction component can fix a lifting and lowering position by friction force in a process that the outer casing pipe lifts and lowers, the outer side of one end of the outer casing pipe is sheathed with a first telescopic pipe, and the outer side of the first telescopic pipe is sheathed with a second telescopic pipe; and the outer side of the first telescopic pipe and the outer side of the second telescopic pipe are provided with the position clamping component.

The embodiment of the invention provides a hydrogenation system. The hydrogenation system comprises at least two electrochemical hydrogen compressors and a fuel cell unit, wherein the at least two electrochemical hydrogen compressors comprise a first electrochemical hydrogen compressor and a second electrochemical hydrogen compressor; the first electrochemical hydrogen compressor is connected with the second electrochemical hydrogen compressor, and the second electrochemical hydrogen compressor is connected with the fuel cell unit; the first electrochemical hydrogen compressor is used for purifying input hydrogen to obtain purified hydrogen; the second electrochemical hydrogen compressor is used for pressurizing the input hydrogen to obtain the pressurized hydrogen; and the fuel cell unit is used for storing the pressurized hydrogen. The hydrogenation system disclosed by the embodiment of the invention comprises at least two electrochemical hydrogen compressors, so that hydrogen can be further purified and compressed, and hydrogen with higher purity and under different pressure conditions can be obtained.