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353 results about "Pressure.drive" patented technology
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A motor control type variable diameter stabilizer
The application relates to the technical field of well drilling, and is a motor control type variable-diameter stabilizer, which comprises a variable-diameter mechanism, a pressure driving mechanism, a non-magnetic drill collar, a control outer shell and a variable-diameter joint which are sequentially and threadedly connected together from top to bottom, the variable-diameter mechanism comprises a righting block which is slidingly installed in an installation sliding groove, the variable-diameter joint is provided with a limiting ring, a reset spring is arranged between the installation sliding block and the limiting ring, the variable-diameter joint is provided with a plurality of sinking grooves, a piston is arranged in each sinking groove, the variable-diameter joint is provided with a liquid storage channel, a communication hole which is in communication with the liquid storage channel is arranged on the inner side wall of each sinking groove, the control outer shell is internally provided with the pressure driving mechanism, the non-magnetic drill collar is internally provided with a control system, and the pressure driving mechanism is electrically connected with the control system. The application has the advantages of reasonable and compact structure, convenient use, safety, labor saving and high efficiency, and the righting block is controlled by forming a pressure difference at the variable-diameter joint and extending.
Owner:CHINA NAT PETROLEUM CORP +1
Preparation device and process of hydrophobic lightweight concrete
The invention discloses a preparation device and process of hydrophobic lightweight concrete, and relates to the technical field of concrete processing, the preparation device comprises a base, a pedestal, a die holder, a vibration mechanism, a pressing plate, a hydraulic cylinder, a height adjusting mechanism and a one-way valve structure; the height adjusting mechanism communicates with the exhaust channel and is configured to drive the pressing plate to descend relative to the hydraulic cylinder through the pressure of gas entering the exhaust channel so as to reduce the distance between the pressing plate and the upper surface of the raw material. According to the invention, the special one-way valve structure is arranged on the pressing plate and matched with the up-and-down reciprocating motion of the die holder, so that air extruded from raw materials can be actively exhausted to the exhaust channel in the vibration process, and most of air can be effectively exhausted even if the vibration time is relatively short, so that the tap density of the raw materials is ensured, and the production efficiency is improved. And the layering phenomenon of light and heavy materials caused by long-time vibration is avoided, so that the overall quality and the yield of the lightweight concrete are remarkably improved.
Owner:HENAN ZHENGDA JINDUN ENVIRONMENTAL PROTECTION MATERIAL CO LTD
Oil unloading tank for transferring crude oil
The utility model discloses an oil unloading tank for transferring crude oil, which comprises a tank body, two opposite ends of the tank body are respectively provided with an injection port and an output port, two layers of filter plates are fixedly connected inside the tank body, the inside of the tank body is divided into three parts by the filter plates, and the three parts are sequentially divided into a first cavity, a second cavity and a third cavity from the injection port to the output port. A sampling assembly is arranged on the outer wall, corresponding to the third cavity, of the box body, blow-down valves are arranged on the inner walls, corresponding to the first cavity and the second cavity, of the box body, and pressure assemblies are arranged on the outer walls of the first cavity and the third cavity. The pressure assembly is arranged in the oil unloading tank body, pressure distribution in the tank body can be changed, pressure difference is formed in the tank body, and crude oil is driven by pressure to penetrate through the filter screen, so that the filtering efficiency is improved.
Owner:PETROCHINA CO LTD
Negative pressure driven micro-nano bubble industrial circulating water descaling treatment system
PendingCN120987483AWater treatment parameter controlSpecific water treatment objectivesMicro nanoPersonalization
The invention relates to the technical field of industrial circulating water treatment, in particular to a negative pressure driven micro-nano bubble industrial circulating water descaling treatment system which comprises a water quality monitoring module, a negative pressure generation and control module, a micro-nano bubble generation module, an intelligent descaling execution module, a network communication module and a man-machine interaction and visualization module. According to the system, personalized and precise descaling management is realized through multi-source data fusion, water quality prediction, dynamic descaling demand analysis and global optimization strategy generation; and meanwhile, bubble diffusion and self-cleaning functions are integrated, the descaling efficiency and the operation stability are improved, and risk early warning and closed-loop optimization capabilities are achieved. The operation efficiency of the industrial equipment can be remarkably improved, the energy consumption is reduced, and the system reliability and management convenience are enhanced.
Owner:SHANGHAI RENMIN ENTERPRISE GRP WATER PUMP
Flexible telescopic vacuum pipeline based on pneumatic driving
The invention particularly relates to a flexible telescopic vacuum pipeline based on pneumatic driving, and solves the problems of high working complexity, low efficiency, inaccuracy and uncontrollability in the mounting and dismounting process of the existing vacuum pipeline. The vacuum pipeline comprises a fixed flange, an inner corrugated pipe, an outer corrugated pipe, a lap joint flange, an air hole and an air pipe, one end of the inner corrugated pipe and one end of the outer corrugated pipe are respectively and fixedly connected with the inner end of the fixed flange, the other end of the inner corrugated pipe and the other end of the outer corrugated pipe are respectively and fixedly connected with the inner end of the loose flange, and an annular sealing cavity is formed among the inner corrugated pipe, the outer corrugated pipe, the fixed flange and the loose flange; the inner corrugated pipe and inner cavities of the fixed flange, the lap joint flange, the external high-pressure pipe and the external low-pressure pipe form a vacuum cavity; an air hole is formed in the inner end of the fixing flange, one end of the air pipe is connected with the air hole, the other end of the air pipe is connected with external air source equipment, and the air pipe is used for inflating the annular sealing cavity to extend the vacuum pipeline or exhausting air to shorten the vacuum pipeline.
Owner:XINJIANG TECH INST OF PHYSICS & CHEM CHINESE ACAD OF SCI
An automobile air conditioner header assembly
The application provides an automobile air conditioner manifold assembly, which comprises a manifold, a plurality of slots are equidistantly formed in the manifold, and a drying pipe is installed on the manifold through fixing pieces, and the fixing pieces are at least two in number and are used for fixing the drying pipe on the manifold. When the filter bag is blocked by sundries for a long time, the refrigerant passing through the filter bag is hindered, the pressure in the drying pipe is increased, the first piston block is driven to move along the inside of the L-shaped pipe, the second piston block is driven to move upwards along the L-shaped pipe through the hydraulic oil transmission between the first piston block and the second piston block, the fixing rod on the top of the second piston block moves along the hollow rod until the squeeze control switch, the control switch starts the alarm in the automobile to give an alarm, and thus the excessive pressure in the manifold can be conveniently and timely prompted, and the refrigerant can be prevented from leaking due to the excessive pressure.
Owner:SHANGHAI SAXIN DONGTAI HEAT TRANSFER MATERIAL CO LTD
A kind of anti-shake system applied to load sensitive proportional multi-way valve
ActiveCN120444289BServomotor componentsFluid-pressure actuator componentsPressure.driveClassical mechanics
The application relates to the technical field of hydraulic control, in particular to a jitter prevention system applied to a load-sensitive proportional multi-way valve, which controls the flow supply of a hydraulic system through the opening change of a pressure compensator, the pressure compensator is driven by an initial pressure P1 collected at a load-sensitive signal LS collection point, the initial pressure P1 presents irregular sawtooth fluctuation; the initial pressure P1 is subjected to filtering and voltage stabilizing treatment through an S-shaped damping bridge circuit, the S-shaped damping bridge circuit converts the fluctuating initial pressure P1 into stable target pressure P4, so as to drive the pressure compensator to smoothly act, and realize the continuous and stable supply of system flow.
Owner:HEBEI MINGTIAN FLUID TECH CO LTD
Shock absorption and noise reduction composite structure device for elevator car
ActiveCN224185659USolving shock absorptionSolve the noiseElevatorsBuilding liftsPressure.driveVibration transmission
The utility model discloses a shock absorption and noise reduction composite structure device for an elevator car, which belongs to the technical field of mechanical engineering and acoustic engineering, and comprises a car body, the inner side of the car body is movably connected with a shock absorption mechanism, and the outer side of the shock absorption mechanism is movably connected with a noise reduction component. The shock absorption plates which are supported by the array telescopic supporting columns and are rotationally connected with the inner walls of the shock absorption plates are arranged on the four sides of the interior of the lift car body, and multiple sets of array shearing distribution telescopic rods are rotationally connected with the inner walls of the shock absorption plates. The stress damping plate moves to enable the array telescopic supporting columns to contract and store energy, the telescopic rods shear, expand and press downwards to drive the component force blocks to slide and press the compression springs to store energy, and impact force is unidirectionally decomposed into elastic potential energy and mechanical work. The problems that due to the fact that a traditional damping structure is arranged on the outer side of a lifting or connecting structure, vertical inertial impact, load sudden change, horizontal shaking and steel wire rope vibration conduction coverage are insufficient in the lift car body are solved, and effective buffering of the interior of the lift car body is achieved.
Owner:CHENGDU JINYE TIANCHENG INTELLIGENT TECH CO LTD
Pressure soybean milk machine
The invention discloses a pressure soybean milk machine. When the pressure soybean milk machine is used, raw materials are added into the cooking cup, then the sealing cover is rotationally buckled to the cup opening of the cooking cup till the sealing cover rotates to the opening stopping angle position, and then a user drives the manual locking piece to move to the locking position through the manual driving structure so as to manually lock the angle position of the sealing cover; in the heating process of the pressure soybean milk machine, when the pressure of the inner cavity of the cooking cup is increased and exceeds a preset value, the pressure opening stopping structure is driven by air pressure to move to the limiting position, the manual locking piece is locked at the current position, at the moment, the manual driving structure cannot drive the manual locking piece to move, linkage protection is achieved, and the service life of the soybean milk machine is prolonged. Compared with the mode that the sealing cover is directly locked through a pressure opening stopping structure, the effect is better, even if the pressure opening stopping structure fails, the sealing cover can be prevented from being directly rotated to be opened, the risk that the sealing cover is accidentally opened when the pressure soybean milk machine works is further prevented, and the use safety is further improved.
Owner:ZHONGSHAN CITY KUAIMEITE ELECTRIC APPLIANCE CO LTD
Device for testing service life of abdominal wheel
PendingCN121231265AMachine part testingInvestigating abrasion/wear resistancePhysical medicine and rehabilitationPlate pressure
The invention relates to the technical field of fitness equipment testing equipment, and particularly discloses an abdominal wheel service life testing device which comprises a base frame, a transmission mechanism, a sliding mechanism, a pressing mechanism, a fixing mechanism and a counting display module. The transmission mechanism is used for driving the sliding mechanism to reciprocate in the length direction of the linear guide rail, the pressing mechanism is arranged on the sliding mechanism and comprises a pressure driving part and a pressing plate, and the pressure driving part is arranged on the sliding mechanism to drive the pressing plate to apply pressure to the fixing mechanism. The fixing mechanism is arranged on the lower pressing plate and used for fixing an abdominal wheel to be tested, the counting display module comprises a displacement sensor and a display screen, the displacement sensor is arranged on the sliding mechanism and used for collecting displacement data of the sliding mechanism in real time and converting the displacement data into the number of round-trip times and the moving distance, and the display screen is arranged on the base frame and used for displaying the displacement data. The method has the effect of improving the test accuracy of the service life of the power roller.
Owner:BEYOND FACTORY (DONGGUAN) TECH CO LTD
Elevation-Dependent Pneumatic Vitrectomy System
An elevation-dependent surgical pneumatic cutting system is provided. The system includes an absolute pressure sensor for sensing an ambient pressure. The system also includes a pressure drive chamber that receives pressurized air, a supply outlet supplies pressurized air to a pneumatic vitrectomy handpiece and a relief exhaust line exhausts pressurized air. A proportional relief valve is in communication with the relief exhaust line. The pressurized air is exhausted through the proportional relief valve when a supplied air pressure, sensed by a line pressure sensor, exceeds a threshold opening pressure. The threshold opening pressure and an open position are set based on feedback from the absolute pressure sensor indicative of the ambient pressure, whereby the threshold opening pressure of the proportional valve and the open position of the proportional relief valve are variable based on the sensed ambient pressure.
Owner:BAUSCH & LOMB IRELAND LIMITED
Wellbore cleaning monitoring method and device based on walking type continuous measurement mode
The invention discloses a borehole cleaning monitoring method and device based on a walking type continuous measurement mode, and the method comprises the steps: putting a first batch of microchip capsules when drilling is not carried out, and circularly collecting the pressure data of a completely-cleaned well section along with drilling fluid as a reference; after drilling operation is started, a second batch of microchip capsules are put, and actually-measured pressure data of the rock debris-containing well section are collected; calibrating the hydraulic model based on the reference pressure data, calculating a theoretical pressure gradient, and calculating an actually measured pressure gradient; and based on the difference between the theoretical pressure gradient and the actually measured pressure gradient, the rock debris volume concentration distribution in the shaft is obtained through inversion of a pressure-driven model. According to the invention, an expensive intelligent drill rod is replaced by the microchip capsule which is low in cost and can be flexibly put, so that the defects that the cost is high, the deployment is limited and continuous dynamic monitoring of a whole well section cannot be realized in the prior art are overcome, and continuous, dynamic and accurate monitoring of the cleaning condition of a well hole is realized.
Owner:YANGTZE UNIVERSITY
Speed reducer for underground driving and underground tool assembly
The embodiment of the invention provides a speed reducer used for underground driving and an underground tool assembly. The speed reducer comprises an input shaft, an output shaft and an output shaft, an output shaft; a gear train disposed between the input shaft and the output shaft and providing a first power transmission path having a first gear ratio and a second power transmission path having a second gear ratio greater than the first gear ratio; a pressure sensing part of the pressure driving assembly is exposed in the underground environment outside the speed reducer to sense the environment pressure, and the pressure driving assembly is configured to drive the speed reducer to rotate by means of force generated by the environment pressure when the environment pressure exceeds a preset pressure threshold value. The gear train is automatically switched from operating through the first power transmission path to operating through the second power transmission path.
Owner:XI'AN PETROLEUM UNIVERSITY
Curing pile structure capable of being grouted and construction method thereof
The invention provides a grouting curing pile structure and a construction method thereof, the grouting curing pile structure comprises a pile body and an injection mechanism, the pile body comprises a pile body, a plastic-coated steel pipe is arranged in the pile body in the circumferential direction, the injection mechanism comprises an injection pipe, the injection pipe can extend into the plastic-coated steel pipe, an injection port is formed in the injection pipe, and the injection port can communicate with the plastic-coated steel pipe; a plurality of injection ports are formed in the surface of the pile body in the circumferential direction and the longitudinal direction, and three-way valves are arranged at the positions, corresponding to the injection ports, in the pile body; a liquid drainage assembly is arranged in a branch pipe of the three-way valve and comprises a first one-way valve and a protective film, and the protective film is arranged at the outlet end, close to the injection port, of the three-way valve and located in the pile body; the first one-way valve comprises a puncturing structure, the puncturing structure faces the protective film, and the puncturing structure can puncture the protective film. The puncturing structure is driven by the grouting pressure to break the protective film, an additional driving mechanism does not need to be added, and the grouting pressure can be used for grouting and breaking the protective film.
Owner:GUANGZHOU ENG CO LTD OF CHINA RAILWAY 19TH BUREAU GRP +1
Manual press
Owner:CHENGDU RUILIFENG TOOLS
Method for realizing pressure head moving forward by using preposed carbon dioxide slug assisted pressure drive water injection
ActiveCN116792066BOther gas emission reduction technologiesFluid removalPressure.driveEnvironmental engineering
The application provides a method for realizing pressure head migration by using a front carbon dioxide slug to assist water injection, comprising the following steps: step 1, establishing a model of water injection assisted by a front carbon dioxide slug; step 2, calculating the required water injection volume for water injection according to a production scheme and reservoir production data, and combining a pressure distribution model to optimize the volume of the required carbon dioxide slug; step 3, injecting the carbon dioxide slug according to the calculation result of step 2 to realize pressure head migration; and step 4, after the carbon dioxide slug is injected, water injection development is carried out in the way of water injection to form a development model of water and carbon dioxide slug oil displacement. The method for realizing pressure head migration by using a front carbon dioxide slug to assist water injection combines the advantages of water injection and carbon dioxide displacement, achieves good oil displacement effect at a low cost, and has a great application prospect in the development of low-permeability reservoirs, tight reservoirs and fault block reservoirs.
Owner:CHINA PETROLEUM & CHEMICAL CORP +1
A collision protection structure for municipal drainage pipes
This utility model relates to the field of municipal pipeline technology and discloses an anti-collision structure for municipal drainage pipelines, including a buried soil layer and a pipeline body fitted inside the buried soil layer. An assembly arc plate is fitted on the outer side of the pipeline body, and a T-shaped plate is fitted on the top of the assembly arc plate. Reinforcing cone plates and a top-pressure assembly are slidably connected to both sides of the top of the T-shaped plate. The output structure of the top-pressure assembly can be driven to one side of the reinforcing cone plate, and the reinforcing cone plate can be inserted into the buried soil layer for limiting under the top-pressure drive of the top-pressure assembly. This utility model forms an anti-collision protection structure on the top of the pipeline body through the assembly arc plate, T-shaped plate, and reinforcing cone plate, which can be assembled in conjunction with the buried soil layer. In addition to providing pressure protection for the top of the pipeline body, during the excavator bucket resetting process, the anti-collision protection structure can separate from the pipeline body and flip to the surface with the excavator bucket.
Owner:JIANGXI TIANQIANG ENG TECH CO LTD
Normally open type fluid control liquid injection valve
The utility model relates to the technical field of liquid injection valves, in particular to a normally-open type fluid control liquid injection valve, an inner core in a valve core assembly of the normally-open type fluid control liquid injection valve keeps a distance larger than 0.1 mm from a liquid outlet in a natural state, so that the liquid injection valve is kept in a normally-open state, the requirement for continuously introducing air pressure to maintain liquid circulation is lowered, energy consumption and operation cost are reduced, and the service life of the liquid injection valve is prolonged. The backflow preventing assembly comprises a sealing ring and a second abutting block, the sealing ring is driven by liquid backflow pressure to cover a gap between the second abutting block and the liquid inlet pipeline, the backflow phenomenon is reduced, the air pressure driving assembly pushes sealing rubber to deform by adjusting air pressure, then the displacement of the inner core is controlled, and opening adjustment of the liquid outlet pipeline is achieved. And the first spring and the second spring work cooperatively, so that resetting of the inner core and the piston rod is ensured.
Owner:GUANGDONG NUONENGTAI AUTOMATION TECH CO LTD
Battery aluminum plastic film double folding machine
The utility model discloses a battery aluminium plastic film second -time edge folding machine, including primary edge folding device and second -time edge folding device, primary edge folding device includes first rack, first upper pressure plate, first lower pressure plate, first folding knife, first jacking drive mechanism and first folding knife drive mechanism, first jacking drive mechanism drives first lower pressure plate, and first folding knife drive mechanism drives first folding knife, and second -time edge folding device includes second rack, second upper pressure plate, second lower pressure plate, second folding knife, second lower pressure drive mechanism, second folding knife drive mechanism and second jacking drive mechanism, second lower pressure drive mechanism drives second upper pressure plate, and second folding knife drive mechanism drives second folding knife, and the first jacking stroke of second jacking drive mechanism drives second lower pressure plate to be close to second upper pressure plate, and the second jacking stroke of second jacking drive mechanism drives the aluminium plastic film second -time bending after flattening. The utility model can reduce the damage of electric core, and the edge folding precision is high, and the assembly debugging is simple, and the cost is low.
Owner:DONGGUAN TEC RICH ENGINEERING CO LTD
Brake pump forming die
The utility model discloses a brake pump forming die in the technical field of brake pump forming, which comprises a bottom plate and four guide posts, the bottom ends of the four guide posts are respectively mounted at four corners of the upper end of the bottom plate, a top plate is mounted at the top ends of the four guide posts, and two first cylinders are connected to the centers of two sides of the top plate. The telescopic ends of the two first air cylinders are connected with a top mold, the two sides of the top mold are movably arranged at the upper ends of the four guide columns in a sleeving mode correspondingly, through the linkage design of a pushing and discharging structure and the double air cylinders, accurate time sequence matching of top mold lifting and bottom mold pressing is achieved, and the demolding efficiency is improved by combining pneumatic driving of an air pump and mechanical physical pushing; and the downward-pressing air supply assembly adopts a spring reset sealing head structure and is matched with the double-layer sealing design of the air distribution pipe, air pressure pushing of products is synchronously completed in the demolding process, the air pressure on the two sides of the air distribution pipe can be adjusted according to different products, and the products can be obliquely discharged.
Owner:RUIAN SONGTAI AUTOMOBILE & MOTORCYCLE PARTS CO LTD
Microneedle mold and microneedle forming method
The application belongs to the technical field of medical equipment, and particularly discloses a microneedle mold and a microneedle forming method, which comprises an upper mold and a lower mold arranged in a mold fixing assembly; the mold fixing assembly comprises a mold base and vertical plates arranged on both sides of the mold base, and the upper mold and the lower mold are respectively in sliding connection with the vertical plates; a plurality of first microneedle forming holes are arranged in the upper mold, and a plurality of second microneedle forming holes are arranged in the lower mold, the first microneedle forming holes are in a circular truncated cone structure, the second microneedle forming holes are in a conical structure, the bottom of the second microneedle forming holes is in a closed state under normal pressure, and a microneedle material channel is formed under a pressure state. The application further discloses a method for preparing a microneedle array by using the microneedle mold, in the process of preparing the microneedle, the microneedle material is filled into the mold by pressure driving, residual bubbles in the bottom are discharged through the channel, no bubbles are generated in the pouring process, and no centrifugal or vacuum process is needed, so that the production efficiency is improved.
Owner:SHAANXI BAIRUIWEILI BIOTECHNOLOGY CO LTD
Fire-fighting ball valve capable of being quickly cut off
The utility model relates to a fire-fighting ball valve capable of being quickly cut off, which comprises a valve body and a pipeline, a spraying part is communicated with the lower part of the valve body, the spraying part is arranged in a buffer cavity, a water inlet part is communicated with the lower part of the buffer cavity in an up-down moving manner, a through hole is arranged on a water inlet head, and the lower part of the water inlet part is communicated with the pipeline. A protruding block is fixedly installed on the lower portion of the buffering cavity, a groove is formed in the protruding block, a fixing rod is rotationally installed on the pipeline, a bent head is arranged at one end of the fixing rod, the bent head and the groove are buckled through rotation, and the through hole and the protruding block move downwards through the water inlet part to achieve attached sealing. The structure utilizes water flow pressure to drive the water inlet part to move, realizes quick cut-off of the valve, is convenient to operate, does not need manual intervention, is particularly suitable for fire fighting trucks and other scenes needing quick cut-off and water supply position transfer, and effectively improves emergency response speed and safety.
Owner:YANGZHONG TONGFA IND
Fluid control valve assembly for fire protection systems
ActiveUS12558583B2Diaphragm valvesOperating means/releasing devices for valvesFluid controlFire protection
Fluid control valve assemblies for use in fire protection sprinkler systems to control the flow of firefighting fluid to the system sprinklers. The assemblies include a pressure-operated fluid control valve having an internal fluid chamber in which fluid contained therein acts on an internal diaphragm to control the flow of fluid from an inlet to an outlet of the valve. An environment-responsive control device in fluid communication with the internal fluid chamber along a first fluid communication line controls the flow of fluid out of the fluid chamber to initiate actuation of the valve. A fluid-flow latch in fluid communication with the outlet of the valve along a second fluid communication line subsequently controls the simultaneous flow of fluid out of the fluid chamber and the actuation of the valve.
Owner:VIKING GROUP INC +1
Multiple selectable pressure driven devices on a drill bit
Systems and methods for downhole drilling and, more particularly, hydraulic control systems and methods for hydraulically locking and unlocking moveable elements of a drill bit are provided. A drill bit may include a body; a moveable element secured to the body, wherein the moveable element is configured to extend or retract from a surface of the drill bit; a communication channel from the moveable element to a bore in the body; and a hydraulic control system at least partially disposed in the body, wherein the hydraulic control system is configured to at least provide fluid communication from the bore to the communication channel to thereby lock or unlock the moveable element.
Owner:HALLIBURTON ENERGY SERVICES INC
A high-low pressure dual-purpose rectifying column plate structure
The application relates to a high-low pressure dual-purpose rectifying column plate structure and relates to the technical field of rectifying columns, which comprises a liquid receiving plate, an overflow assembly, a hole changing assembly and a driving assembly, the overflow assembly comprises an overflow part, a power cylinder and an adjusting part, the overflow part comprises a first overflow plate, a second overflow plate, a first adjusting plate and a second adjusting plate, the adjusting part comprises a power block, a first sliding rod, a first adjusting rod, a second sliding rod, a second adjusting rod and an adjusting connecting rod, the hole changing assembly comprises a low-pressure hole plate and a high-pressure hole plate, the driving assembly comprises a power ring, a low-pressure driving part, a high-pressure driving part and a transmission part, the low-pressure driving part comprises a push plate, a driving rod, a turnover rack and a turnover gear, the high-pressure driving part comprises a push block, a driving shaft and a turnover block, and the transmission part comprises a connecting rod, a push rod, a transmission rack and a transmission gear wheel, the rectifying mode of the column plate can be switched through adjustment of the overflow structure and the diameter of the gas phase port. The application has the effect that the column plate can switch the high-pressure rectifying mode and the low-pressure rectifying mode.
Owner:上海电气集团国控环球工程有限公司
Hot-pressing curing device for carbon fiber sheet
PendingCN120985960ATemperatue controlThermometers using electric/magnetic elementsFiberCarbon fibers
The invention relates to the technical field of curing equipment, in particular to a hot-pressing curing device for a carbon fiber sheet, which comprises a carbon fiber hot-pressing mechanism, a horizontal adjusting mechanism and a pressure self-adaptive mechanism, the carbon fiber hot-pressing mechanism comprises a hot-pressing plate, and a vertically arranged pressure driver is arranged at the top of the hot-pressing plate; the hot pressing plate is provided with a plurality of PTC heaters which are connected in parallel, and each PTC heater is connected with a relay in series; the system further comprises NTC temperature sensors, the NTC temperature sensors are electrically connected with the controller, and the controller is electrically connected with the relay. The horizontal adjusting mechanism is used for adjusting the positions of the pressure driver and the hot pressing plate in the horizontal direction. The pressure self-adaption mechanism comprises a pressure sensor installed at the bottom of the hot pressing plate and further comprises a pressure difference calculation module. Through automatic and mechanical modes, efficient and accurate hot-pressing curing of the semi-hexagonal sheet is achieved, and the problems that in the prior art, hot-pressing curing is low in efficiency, poor in precision, high in labor cost and the like are solved.
Owner:XIAN AISEN ZHIHE NEW MATERIAL TECHNOLOGY CO LTD +1
Ultrathin silicon microphone chip packaging equipment
ActiveCN224171323UWrapping material feeding apparatusWrapper twisting/gatheringGear drivePressure.drive
The utility model belongs to the technical field of microphone chip packaging, in particular to ultrathin silicon microphone chip packaging equipment, which comprises a packaging workbench, a control panel, a first motor and a shaft seat frame, the control panel is arranged at the side end of the packaging workbench, the first motor is arranged at the inner end of the top of the packaging workbench, and the shaft seat frame is arranged at the side end of the packaging workbench. According to the utility model, the rapid pressing driving mechanism, the cam bar, the driving gear, the driven gear, the linkage frame and the insertion positioning column are arranged, and the first motor and the second motor are controlled through the control panel. And the packaging film is wound around the peripheries of the transmission rollers on the two sides, and the tightness degree of the packaging film is controlled through a second motor. An operator puts a metal gasket for packaging on the bottom of a microphone chip and then places the microphone chip on a packaging workbench below a packaging pressure plate, a first motor is started and controls a driven gear to rotate through a driving gear, the driven gear drives a rapid pressing driving mechanism connected with the driven gear to rotate, and meanwhile, a cam bar rotates synchronously.
Owner:SUZHOU DESPEX ELECTRONICS CO LTD
Digital-analog characterization method for oil reservoir pressure-drive seepage parameters
The invention belongs to the technical field of reservoir engineering application, and discloses a digital-analog characterization method for reservoir pressure drive seepage parameters, which comprises the following steps: S1, measuring the permeability and relative permeability of a stratum sample before pressure drive, manufacturing artificial microfractures in a reservoir, converting original stratum pore seepage into artificial fracture net seepage, and calculating the permeability of the stratum sample before pressure drive; performing a water injection experiment on the sample by adopting different displacement pressure gradients, and determining the change relation of the permeability of the reservoir sample along with the pressure and the change condition of relative permeability before and after the matrix fracture pressure is reached in the water injection experiment process; s2, calculating the limit wave and radius under the pressure-driven water injection condition; and S3, carrying out digital-analog characterization on the oil reservoir pressure-drive water injection seepage parameters. According to the method, the permeability and relative permeability parameters are adjusted in real time by using the pressure as a reference condition, and full-life-cycle seepage parameter characterization in the pressure driving process is equivalently completed.
Owner:PETROCHINA CO LTD
Filter press
The invention relates to the technical field of solid-liquid separation, in particular to a filter press. The filter press comprises a rack, a main pressure applying device, an auxiliary pressure applying device, at least one locking device and a plurality of drainage plate assemblies, the main pressure applying device comprises a main pressure applying driving source and a pressing plate, the auxiliary pressure applying device comprises an auxiliary pressure applying driving source and a thrust plate, and the main pressure applying driving source and the auxiliary pressure applying driving source are used for driving the pressing plate and the thrust plate to slide on the rack in the X direction respectively; each locking device is configured to be capable of locking the thrust plate at the pre-pressing position; the drain board assemblies slide in the X direction and are arranged on the rack side by side, each drain board assembly comprises a drain board and a filter bag, and a plurality of filter bags are arranged between every two adjacent drain boards; the X direction is parallel to the horizontal plane. The filter press has the advantages that the driving stroke of the main pressure applying driving source is reduced, and the loss of the main pressure applying driving source is reduced; damage to the filter plate is delayed, and the service life of the filter plate is prolonged; and the equipment is simpler and more reliable in structure.
Owner:TIANJIN MEITENG TECH CO LTD
Multi-directional control drilling guide equipment
The invention belongs to the technical field of multi-directional drilling equipment, and provides multi-directional control drilling guide equipment which comprises a barrel shell, a base, a center rod, a connecting rod mechanism, an angle adjusting plate, a linear pushing mechanism, a bottom plate, a connecting plate, a sliding inner barrel and a drilling pressure driving mechanism. The multi-directional drilling device integrates three functions of rotary drilling, multi-directional guiding and reciprocating impacting, can realize efficient rock breaking and precise guiding in a complex stratum, is particularly suitable for hard stratums and engineering scenes needing frequent drilling direction adjustment, is suitable for various scenes such as mining and oil field oil extraction, can meet the directional drilling requirement of the complex stratum, and has a wide application prospect. And the mining and oil extraction efficiency is improved.
Owner:SHENZHEN UNIV +1