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26results about How to "Same pressure" patented technology
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Ship maintenance tool
ActiveCN118850292BGuaranteed stabilityavoid tipover accidentsVessel cleaningHullsMarine engineeringHydraulic pump
The present invention relates to the field of ship maintenance technology, and in particular to a ship maintenance tool, comprising a dock, a dock command room is arranged at the top of the dock near the edge, a booster water pump and a suction integrated hydraulic pump are arranged in the dock command room, a dock gate is rotatably connected at the opening of the dock, and also comprises a ship maintenance mechanism, the ship maintenance mechanism comprises a base, a working groove is arranged at the top of the base, and a plurality of groups of bases are slidably connected to the working groove. Through the arrangement of the ship maintenance mechanism, the present invention can quickly lift large ships of different models entering the working groove, thereby facilitating the maintenance of the bottom of the large ship, and can ensure the stability of the ship during maintenance, avoid the ship from becoming unstable and causing a tipping accident, thereby ensuring the life safety of on-site personnel, providing a safer working environment for on-site personnel, and avoiding damage to the maintenance dock and the ship being maintained, saving maintenance costs.
Owner:NANTONG HAIOU LIFE SAVING & PROTECTION EQUIP
Binding device and binding method of flexible display panel
PendingCN119629881Asame pressuresame temperaturePrinted circuit assemblingPrinted circuit aspectsFlexible displayMechanical engineering
The invention provides a binding device and a binding method of a flexible display panel, and the device comprises a carrying platform which is provided with two bearing surfaces which are oppositely arranged; the first pressing head and the second pressing head are located on the two sides of the carrying table respectively, and the orthographic projection of the first pressing head and the orthographic projection of the second pressing head on the bearing face are at least partially overlapped; the carrying table can move in the direction perpendicular to the bearing face. When the binding device is used for pressing the binding areas of the flexible display panel, the first pressing head and the second pressing head are used for pressing the binding areas on the carrying table at the same time, and the carrying table is movable and does not influence force transmission, so that the pressure of the first pressing head and the pressure of the second pressing head are the same, and the pressure, time and temperature of the multiple binding areas are completely the same; therefore, the impedance of each binding area is ensured to be consistent, and the problem of split screen display is avoided.
Owner:HEFEI VISIONOX TECH CO LTD
Blending tank for preparing cleaning fluid
ActiveCN222468740UPrecise ratioAvoid residueRotary stirring mixersTransportation and packagingElectric machineryMixing tank
The utility model relates to the technical field of cleaning fluid production devices, and discloses a mixing tank for cleaning fluid preparation, which comprises a tank body, a motor is fixedly mounted at the top end of the tank body, a feeding component is arranged at the top end of the tank body, the feeding component comprises a blanking pipe, a rectangular box and a thin feeding pipe, the blanking pipe is communicated with a cavity of the tank body, and the rectangular box is communicated with the thin feeding pipe. An arc-shaped groove is formed in a cavity of the rectangular box, the feeding thin pipe is arranged at the top end of the rectangular box, and a stirring assembly is arranged in a cavity of the tank body and comprises a main shaft, a supporting rod and a stirring rod. A feeding assembly is arranged, different additives enter a cavity of a rectangular box from a feeding thin pipe, an air inlet fan on one side blows air flow into the cavity of the rectangular box through a connecting pipe, the air blows the additives in the rectangular box and a discharging pipe cavity into a tank body cavity, it is effectively avoided that the additives remain in the feeding assembly, and it is ensured that the proportion of cleaning liquid is accurate; the stirring assembly is arranged in the cavity of the tank body, and the cross rod and the supporting rod rotate, so that the liquid mixing efficiency is high.
Owner:INNER MONGOLIA JINGCAO IND CO LTD
Rotary pressure sensor fatigue test device
ActiveCN110174214Bsmall footprintImprove test efficiencyFluid pressure measurementForce/torque/work measurement apparatus calibration/testingMultiple sensorFatigue testing
The present invention discloses a fatigue testing device for a rotary pressure sensor, comprising a workbench, a force loading device connected to the workbench, a plurality of groups of detection components installed on the workbench, and a detection sensor installed on the workbench. The ends of adjacent detection components are connected by a steering component to form a rotary detection structure. Each group of the detection components comprises a plurality of sensors to be tested which are connected end to end. The force loading device is connected to the head of the rotary detection structure for force loading, and the detection sensor is connected to the tail of the rotary detection structure for data detection. The loading force of the force loading device of the present invention is transmitted in sequence through adjacent sensors to be tested, and a plurality of sensors to be tested can be tested at the same time, and the test efficiency is high. Each sensor to be tested adopts a serial rotary structure, so that its layout is flexible and can adapt to different layout sites, and the occupied space of the fatigue testing device is also reduced.
Owner:XIAN AERONAUTICAL UNIV
Control method of rotary drilling rig, hydraulic system and rotary drilling rig
ActiveCN114526274Bavoid skewsame pressureServomotor componentsDerricks/mastsCavity pressureHydraulic pressure
This invention relates to the field of rotary drilling rig technology, providing a rotary drilling rig control method, a rotary drilling rig hydraulic system, and a rotary drilling rig. The aforementioned rotary drilling rig control method includes: establishing a mast stress model; acquiring mast off-center load information; based on the mast off-center load information and the mast stress model, acquiring the stress state of each mast cylinder; and controlling the valve core opening of each electro-proportional balancing valve according to the stress state of each mast cylinder, so that the pressure in the rodless chamber of each mast cylinder is the same. The aforementioned rotary drilling rig control method solves the problem that the mast cylinder pressure cannot be adjusted when the flow rate and load of the mast cylinder are the same. The rotary drilling rig control method provided by this invention, by controlling the valve core opening of the electro-proportional balancing valve, can adjust the pressure in the rodless chamber of each mast cylinder, thereby making the pressure in the oil inlet of each mast cylinder the same, balancing the flow rate of the mast cylinder, and preventing mast tilting during erection and deflection.
Owner:BEIJING SANY INTELLIGENT MFG TECH CO LTD
An air-cooled battery cabinet system
ActiveCN119069886BEfficient heat dissipationsame pressureSecondary cellsThermodynamicsElectrical battery
The present application relates to an air-cooled battery cabinet system, and relates to the technical field of battery heat dissipation; it comprises a cabinet body, in which a battery pack is arranged, and also comprises a cooling device and a gas transmission equipment, wherein the cooling device is used to transmit a refrigerant into the cabinet body, and the gas transmission equipment is arranged at a position of the cabinet close to the battery pack, so as to transmit the refrigerant to the battery pack, so that the refrigerant is in contact with the battery pack; the present application can realize efficient heat dissipation of the battery pack in the battery cabinet.
Owner:DYNESS DIGITAL ENERGY TECHNOLOGY CO LTD
Traction machine for cable production
ActiveCN222118493UWind evenlysame pressureFilament handlingElectronic waste recyclingElectric machineryMachine
The utility model relates to the technical field of traction machines, and discloses a traction machine for cable production, which comprises a bottom plate, two side plates are fixedly connected to the top end of the bottom plate, a driving assembly is fixedly connected to the middle of the front end of the side plate at the front end, and a rotating roller is fixedly connected to the outside of the driving assembly. The left ends of the close sides of the two side plates are rotationally connected with side shafts, the outer portions of the side shafts are fixedly connected with auxiliary rollers, the left side of the rear end of the side plate at the front end is fixedly connected with a bottom block, the left side of the bottom block is fixedly connected with a supporting frame, the inner wall of the bottom block is fixedly connected with a second motor, and the driving end of the second motor is fixedly connected with a rotating shaft. The left side of the rotating shaft is fixedly connected with a main belt wheel, and the main belt wheel is sleeved with a belt. According to the cable storage device, the cable can be uniformly wound on the storage column, the pressure and tension applied to the cable are ensured to be the same, the risk of damage is reduced, and the purpose of improving the function and performance of the cable is achieved.
Owner:安徽皋创线缆有限公司
Composite air cooler and pipeline distribution system for chlorosilane separation
PendingCN119412881Asame pressurereduce temperature differenceLighting and heating apparatusCooling fluid circulationDistribution systemProcess engineering
The composite air cooler and pipeline distribution system comprises a plurality of sets of composite air coolers, the input end of each set of composite air cooler is connected with the output end of a feeding distributor through a multi-stage feeding pipeline, the input end of the feeding distributor is connected with a gas phase pipeline at the top of a self-desorption low tower, and the input end of the feeding distributor is connected with a gas phase pipeline at the bottom of the self-desorption low tower. The output end of each group of composite air coolers is connected with the input end of a collecting pipeline through a multi-stage discharge pipeline, and the output end of the collecting pipeline is connected with a pipeline of a low removal tower reflux tank; the pipe diameter of the multi-stage feeding pipeline in the material flowing direction is gradually reduced, and the pipe diameter of the multi-stage discharging pipeline in the material flowing direction is gradually increased; the pipeline distribution system disclosed by the invention can solve the problem of non-uniform condensation under the condition that a plurality of groups of composite air coolers are used in the chlorosilane rectification separation process, and plays a decisive role in judging whether the plurality of groups of composite air coolers can be successfully applied to the chlorosilane separation process or not.
Owner:HUBEI XINGRUI SILICON MATERIAL CO LTD
Water pressure test device
ActiveCN113945461Bsame pressureGuaranteed Connectivity Ballast Test UseMaterial strength using tensile/compressive forcesCommunication unitStructural engineering
The present disclosure provides a water pressure resistance test device, which belongs to the field of ship equipment detection technology. The water pressure resistance test device includes a first tank body, an injection and drainage unit, an injection and exhaust unit and a connecting unit; the first tank body has a first cavity and a second cavity that are independent of each other; the injection and drainage unit is connected to the outer wall of the first tank body, and the first part of the injection and drainage unit is connected to the first cavity, and the second part of the injection and drainage unit is connected to the second cavity; the injection and exhaust unit is connected to the outer wall of the first tank body, and the injection and exhaust unit is connected to the first cavity; the connecting unit is connected to the outer wall of the first tank body, and the connecting unit is used to connect or disconnect the first cavity and the second cavity. The present disclosure can reduce the detection cost through the water pressure resistance test device.
Owner:WUHAN MARINE MACHINERY PLANT
Husking device for lotus seed processing
ActiveCN224055271UA small amount falls evenlyavoid influxHuskingHullingAgricultural engineeringMechanical engineering
The utility model discloses a husking device for lotus seed processing, and relates to the technical field of lotus seed processing, the husking device comprises a feed inlet, the output end of the feed inlet is fixedly connected with a material guide channel, the output end of the material guide channel is fixedly connected with a sorting box, the output end of the sorting box is fixedly provided with a husking device, and the husking device is fixedly connected with the sorting box. And a sorting unit is arranged in the sorting box. According to the lotus seed husking machine, the conical barrels are arranged, when rolling on the tops of the conical barrels, lotus seeds surge downwards along gaps of the two barrel bodies, the lotus seeds can be sorted according to particles of different sizes, the lotus seeds enter the corresponding sorting cavities, the conveying channels are arranged to convey the sorted lotus seeds into the corresponding husking inner cavities, and the husking efficiency is improved. The output end of the motor is matched to drive the driving gear and the driven gear to move relatively, the driving gear and the driven gear rotate to drive the two sets of husking rollers to rotate along with the driving gear, the lotus seeds are husked, therefore, the lotus seeds bear the same pressure in the corresponding cavities, and the husking efficiency is improved.
Owner:JIANGXI BOHEYUAN AGRICULTURAL DEVELOPMENT CO LTD
Wide-range air volume measuring device and measuring method
PendingCN119595060AEasy to measureImprove convenienceVolume meteringVolume/mass flow by differential pressureAir volumeMechanics
According to the wide-range air volume measuring method, the measuring and calculating method is simple, the measuring air volume range is not limited, and therefore the wide-range air volume measuring device is adjustable and convenient to use. The measuring cylinder core is characterized in that wall molded lines in the circumferential direction of the measuring cylinder core are designed according to Bernoulli lemniscate lines symmetrically divided by a rectangular coordinate system, throat static pressure holes are formed in the minimum open area of an axial flow channel of the measuring cylinder core in the circumferential direction of the inner wall of the axial flow channel, throat pressure tapping holes are formed in the outer wall of the measuring cylinder core, and the throat static pressure holes are communicated with the throat static pressure holes. The throat pressure tapping hole and the throat static pressure hole are both through holes and are always kept in the same plane state or the state close to the same plane state.
Owner:CHINA ELECTRONICS CHUANGDA CONSTR EQUIP TECH CO LTD
A protective device for supersonic wind tunnel flow calibration pressure measuring hose
ActiveCN110793745BShock resistancesame pressureAerodynamic testingPressure measurementSupersonic speed
The present invention discloses a protective device for a supersonic wind tunnel flow calibration pressure measuring hose. Along the wind tunnel airflow direction, the protective device is located behind the scimitar bracket of the wind tunnel test section, and includes an inner layer protective mechanism and an outer layer protective mechanism, wherein the inner layer protective mechanism is placed as a whole in the outer layer protective mechanism; the outer layer protective mechanism is composed of a rear protective cover, a mounting base, a front protective cover and a cover plate, and has a connected chamber inside to accommodate the inner layer protective mechanism. After the pressure measuring hoses led out from the cross pressure measuring rack are bundled, they pass through the protective device, enter the wind tunnel resident chamber and are connected to the wind tunnel pressure measuring system. The protective device uses a metal bellows to protect the pressure measuring hose, which moves back and forth with the lead screw and works together with the outer layer protective mechanism to avoid the influence and damage of the supersonic airflow on the pressure measuring hose, effectively protect the pressure measuring hose of the flow calibration mechanism, solve the wiring problem of multiple pressure measuring tubes in the flow channel of the supersonic wind tunnel, and ensure the reliable acquisition of the pressure measurement data of the supersonic wind tunnel test.
Owner:INST OF HIGH SPEED AERODYNAMICS OF CHINA AERODYNAMICS RES & DEV CENT
Boiler ash purifying device
The utility model provides a kind of boiling furnace burn purification ash device, it is related to the technical field of fluidized combustion equipment, including body, wind box air supply component, the base of body is provided with air cap, the sidewall of body is provided with coal dust inlet pipe, the air outlet of wind box is connected with base, to send air to body and blow open the coal dust entering, body is provided with purification ash dust injection pipe, and the distance of purification ash dust injection pipe from the base of body is 600-700 millimeters, during the upward movement of the purification ash that is not fully combusted, in turn through the middle of boiling layer, the upper portion of boiling layer, purification ash can be fully combusted.Sending air component includes the first air supply pipe being arranged on the sidewall of body, the second air supply pipe being arranged in the interior of body, the outlet of first air supply pipe is arranged on the inner wall of body through the sidewall of body, and blows to the internal space of body, the wind of the outlet of second air supply pipe blows to the inner wall of body, to reduce the adhesion of dust, prolong the service life of fluidized bed furnace.
Owner:李书军
Integrated lamination production equipment for composite outer wall of integrated house
PendingCN119636218Aquality improvementEliminate the hysteresis problem of heatingLamination ancillary operationsControlling laminationElectrical conductorMechanical engineering
The invention discloses composite outer wall integrated lamination production equipment of an integrated house, and relates to the technical field of building wallboard manufacturing, the composite outer wall integrated lamination production equipment comprises a hydraulic cylinder and a lamination cabinet, the inner side wall of the lamination cabinet is slidably connected with a lamination mechanism, the lamination mechanism comprises a lamination assembly, and the lamination assembly comprises a protective shell and two hot pressing plates. According to the invention, the coil is arranged in the lamination assembly, the coil is connected with the power box through the electronic oscillator, and high-frequency alternating current is provided for the coil, so that a high-frequency alternating magnetic field is generated around the coil, the magnetic field generates induced eddy current on the hot press plates on the upper and lower surfaces, and the high-frequency alternating magnetic field enables the hot press plates to generate induced heat; the laminated board is in direct contact with the hot pressing board and conducts heat, induced current is located on the surface of a conductor of the hot pressing board under the action of the skin effect, generated induction heat is concentrated on the surface of the conductor, the problem of heating hysteresis in the laminating process of the laminated board is solved, and the quality of the formed composite wallboard is better.
Owner:SHANDONG JINSHI INTEGRATED HOUSING CO LTD
A pressure-adjustable calender
The utility model relates to the technical field of calender, especially to a pressure adjustable type calender, its technical scheme: including outer support, the outer support front side is equipped with heating roller, and is located heating roller upper and lower position and is equipped with the calendering roller, the outer support front side and is located heating roller both ends fixed with the fixed frame, the fixed frame outside is provided with the drive motor of drive heating roller rotation, the outer support front side and is located the calendering roller both ends position and is equipped with the movable frame, the movable frame sliding connection is in the outer support front side, the both sides of outer support are provided with the synchronous drive assembly of drive movable frame lifting movement. The utility model can utilize the rotation of bidirectional screw rod when carrying out the double -sided calendering of cloth, makes the calendering roller move to the side of approaching simultaneously, wherein the greater the amplitude of motion is, the greater the pressure is, realizes the purpose of adjustment, and can guarantee that both sides pressure is same, further realizes the processing pressure of different sides consistent, need not complex calibration.
Owner:JIANGSU JIUMU TEXTILE TECH CO LTD
Cleaning device special for extraction cage
ActiveCN119319116Aeasy to cleansame pressureClimate change adaptationHollow article cleaningSpray nozzleElectrical and Electronics engineering
Owner:JIANGSU TIANYU WEIYE INTELLIGENT EQUIP CO LTD
A wind turbine bearing forging testing machine
ActiveCN118857744BRealize fixed limitImprove fixation efficiencyMachine bearings testingMaterial strength using tensile/compressive forcesControl engineeringElectric machinery
The present invention relates to the technical field of bearing testing, and discloses a wind power bearing forging testing machine, including a fixed frame, a support frame fixedly connected to the top of the fixed frame, a test motor fixedly connected to the top of the support frame, a drive rod fixedly connected to one end of the test motor, and a limit assembly fixedly connected to one end of the drive rod; a support table fixedly connected to the top of one side of the support frame, a movable plate longitudinally clamped on the support table, and a pressure assembly fixedly connected to one end of the movable plate; an adjustment assembly fixedly connected to one end of the pressure assembly; the limit assembly is used to limit and fix the wind power bearing forging that needs to be tested; the pressure assembly is used to perform multi-directional pressure testing on the wind power bearing forging on the drive rod; and the adjustment assembly is used to adjust the pressure of the pressure assembly on the wind power bearing forging. Compared with the prior art, the present application realizes the simultaneous application of multi-directional pressure when testing the wind power bearing forging, thereby improving the accuracy and stability of the wind power bearing forging test.
Owner:JIANGSU FIRST HEAVY FORGING CO LTD
Oil-gas separation online measurement system and working method thereof
The invention relates to an oil-gas separation online measurement system and a working method thereof, the oil-gas separation online measurement system comprises an oil path unit, a degassing unit, a gas path unit and a measurement unit, and the working method specifically comprises the following steps: S1, bidirectionally cleaning an oil path; s2, blowing and washing a gas path in two directions; s3, quantifying the oil sample; s4, negative pressure extraction and negative pressure exhaust are carried out; s5, circulating the oil sample; s6, carrying out constant-pressure degassing; s7, compressing the gas; and S8, performing constant-temperature measurement. Through the step of arranging a two-way cleaning oil way and a two-way purging gas way before measurement, thorough cleaning of the oil way and the gas way before measurement is effectively guaranteed, in the oil sample extraction, oil-gas separation and gas sample measurement process, the pressure and temperature of oil and gas are kept constant, and the degassing efficiency and consistency are high. A gas path sensor is arranged in the gas path unit, and a constant temperature device is arranged in the measuring unit, so that the temperature and the pressure of gas in the measuring unit are ensured to be the same during each measurement, system errors caused by environmental factors are eliminated, and the accuracy of system measurement is further ensured.
Owner:WUHAN GELANRUO ELECTRICAL TECHNOLOGY CO LTD
Steam cooling utilization device
ActiveCN222578988Uincrease profitsame pressureSteam generation heating methodsStationary conduit assembliesThermodynamicsWater temperature
The utility model discloses a steam cooling utilization device, which relates to the technical field of steam utilization, and comprises an outer kettle body, a delivery pipe, a water tank and an inner kettle body, the inner kettle body is arranged inside the outer kettle body, the delivery pipe is arranged between the outer kettle body and the water tank and is fixedly connected with the outer kettle body and the water tank, a sealing disc is fixedly connected inside the delivery pipe, and the sealing disc is fixedly connected with the inner kettle body. The reaction kettle disclosed by the utility model has the beneficial effects that water in the inner kettle body is heated through the electric heating wire, so that steam is generated, the steam is continuously increased along with the continuous increase of the water temperature, and in the process, the temperature of the steam is continuously increased due to the sealing performance of the sealing disc and the sealing block, so that the steam is heated, and the reaction kettle is convenient to use. And when the pressure of the steam is not enough, the reset spring can restore the sealing block, so that the sealing block is in the sealing state again, the temperature of the conveyed steam is the same, and the heat utilization rate is increased.
Owner:CHANGMAO (DALIAN) NEW MATERIALS CO LTD
Sample preparation device for hydrocarbon analysis
ActiveCN222529063UGuaranteed accuracyGuaranteed stabilityPreparing sample for investigationPunchingStructural engineering
The utility model relates to the technical field of sample preparation equipment, in particular to a sample preparation device for hydrocarbon analysis, which can ensure the same pressure during stamping, ensure the accuracy of analysis results and facilitate subsequent use. Comprising a base, fixing holes are symmetrically formed in the left end and the right end of the bottom of the base, electric telescopic rods are installed in the fixing holes, push plates are fixedly installed at the telescopic ends of the electric telescopic rods, and two punching tables are fixedly installed at the top ends of the push plates and located in matching holes; two matching holes are formed in the left end and the right end of the top of the base, the two die holders are installed at the left end and the right end of the top of the base respectively, stamping holes matched with the matching holes are formed in the die holders, and the fixing assemblies are installed at the four corners of the bottom end of the base; the moving assembly is installed in the middle of the top end of the base, the stamping assembly is installed on the moving assembly, and the collecting assembly is installed on the die holder.
Owner:HENGQIN INSPECTION TECH SERVICE (DALIAN) CO LTD
Digital servo valve
ActiveCN119288939Asame pressureStrong anti-pollutionServomotor componentsFluid-pressure actuator componentsPilot valveServo
The invention discloses a digital servo valve, relates to the technical field of servo valves, and is mainly used for solving the problems that a nozzle baffle servo valve is poor in pollution resistance and a 2D digital valve has mechanical backlash. According to the main structure, a pilot valve element sleeve is sleeved on the outer wall of a pilot valve element between a connecting sleeve and a sealing end cover in a pivoted mode, a damping groove is formed in the inner wall of the pilot valve element sleeve, and an oil inlet hole, a valve element damping hole a and a valve element damping hole b corresponding to the damping groove are formed in the outer wall of the pilot valve element. The valve element damping hole a and the valve element damping hole b are oppositely formed in the two sides of the oil inlet hole. The oil inlet hole is communicated with the oil inlet cavity, the valve element damping hole a is communicated with the sensitive cavity a, and the valve element damping hole b is communicated with the sensitive cavity b; and a valve core sleeve damping pipe a and a valve core sleeve damping pipe b which are communicated with an oil return system are respectively arranged on the damping grooves on the opposite sides of the valve core damping hole a and the valve core damping hole b. The invention provides a digital servo valve. The digital servo valve is high in anti-pollution capacity and capable of solving the mechanical backlash problem of a 2D digital valve.
Owner:SICHUAN AEROSPACE FENGHUO SERVO CONTROL TECH CO LTD
A thermal conductivity testing device for aluminum-silicon alloy ingots
ActiveCN119023727Buniform pressurereduce distortionMaterial thermal conductivityMaterial heat developmentSilicon alloyIngot
The present invention relates to the technical field of thermal conductivity testing, and discloses a thermal conductivity testing device for aluminum-silicon alloy ingots, comprising a device body, a display screen, an operation panel, and a testing cabin arranged on the front of the device body, a door arranged in front of the testing cabin, an equipment cabin arranged on the back of the device body, a power device arranged inside the equipment cabin, and a pushing assembly and a testing plate arranged inside the testing cabin. The thermal conductivity testing device for aluminum-silicon alloy ingots is provided with a plurality of top pressure blocks and connecting rods between a base and a top pressure plate. When working, the pressure on the top pressure plate can be made more uniform, and the possibility of deformation of the top pressure plate can be reduced. At the same time, this can protect the test plate squeezed by the top pressure plate. The top pressure plate that has not been deformed can evenly transfer the pressure to the test plate to avoid deformation of the test plate, thereby improving the accuracy of the detection and extending the service life of the top pressure plate and the test plate.
Owner:YANTAI ZHICHENG ALUMINUM CO LTD
Multi-station nitrogen spring inflation equipment
ActiveCN222296842UPrevent the stamping from being too highEasy to disassembleSpringsShock absorbersGas springStructural engineering
The utility model discloses multi-station nitrogen spring inflating equipment which comprises a working table, an inflating mechanism and a resetting mechanism, a positioning plate is mounted on the front side of the upper end face of the working table top through mounting bolts, mounting bases are symmetrically mounted on the rear side of the upper end of the working table top front and back through bolts, and an air cylinder is mounted between every two adjacent mounting bases front and back through bolts; according to the multi-station nitrogen spring inflation equipment, a traditional single twisted tooth inflation mode is changed, the multi-station inflation equipment can be freely switched between two and eight, a previous twisted tooth pressurization sealing mode is changed into an air cylinder thrust pressurization mode so as to be convenient to disassemble, and a multi-station parallel connection mode is adopted, so that the pressure of a gas spring on each station can be ensured to be the same; and the nitrogen springs are connected in parallel, so that the inflation space is enlarged, and the phenomenon that the pressure is too high in the inflation process of a small single nitrogen spring can be effectively avoided.
Owner:GUANGZHOU KEOU MASCH MFG CO LTD
Spiral soil compactor
PendingCN121830177Asame pressureFacilitate subsequent experimentsPreparing sample for investigationPress ramSoil scienceStructural engineering
The invention discloses a spiral soil compactor, and relates to the technical field of civil soil compaction, the spiral soil compactor comprises a soil containing box, four box connecting rods are fixedly connected to the soil containing box, and one end of each box connecting rod is connected with a connecting fixing plate; the pressurizing plate is arranged in the soil containing box and is used for compacting the soil to be tested; the spiral pressing mechanism is arranged on the connecting and fixing plate and is used for driving the pressurizing plate to move up and down; the two lifting mechanisms are arranged in the cavities in the two sides of the soil containing box and used for driving the to-be-tested soil to move horizontally; the buffering component force mechanism is connected with the spiral pressing mechanism in a sliding manner and is used for uniformly transmitting the force generated by the spiral pressing mechanism; a plurality of cutting rings are arranged below the buffer component force mechanism, the cutting rings are placed on a partition plate, and the partition plate is fixed in the soil containing box. The device can be used for preparing a plurality of soil sample test blocks at the same time, so that the pressure on the soil sample test blocks is the same; no time difference exists, and the change of parameters such as the moisture content of the soil sample test block is avoided.
Owner:CHANGCHUN INST OF TECH
Electric pile packaging structure of fuel cell
ActiveCN222483430USolve uneven stress distributionsame pressureFuel cellsFuel cellsMechanical engineering
The fuel cell stack packaging structure comprises a stack assembly, an elastic adjusting assembly and a plurality of bandages, the stack assembly comprises a reactor core, a positive end plate, a negative end plate, a positive collector plate and a negative collector plate, the positive collector plate and the negative collector plate are respectively arranged on two opposite surfaces of the reactor core, and the elastic adjusting assembly is arranged on the elastic adjusting assembly. The positive electrode end plate and the negative electrode end plate are arranged on the sides, away from the reactor core, of the positive electrode collector plate and the negative electrode collector plate respectively, the elastic adjusting assembly is arranged on the side, away from the reactor core, of the positive electrode end plate, the multiple binding bands are distributed at intervals in the first direction, each binding band is bound to the surfaces of the negative electrode end plate and the elastic adjusting assembly, and the two ends of each binding band are connected with each other; and the electric pile assembly and the elastic adjusting assembly are bound into a whole. According to the technical scheme of the embodiment, adjustment is performed through the elastic adjusting assembly, so that the same pressure applied to the reactor core by each bandage is ensured, the problem of non-uniform stress distribution in the reactor core is effectively solved, and the condition of breakage caused by overlarge local stress is avoided.
Owner:GUANGDONG GUOHONG HYDROGEN ENERGY TECH CO LTD
Hydrogen and oxygen following back pressure valve
ActiveCN222163687Usame pressureGuaranteed stabilityOperating means/releasing devices for valvesEqualizing valvesHydrogen pressureVALVE PORT
The utility model relates to an oxyhydrogen following back pressure valve which comprises a pressure release valve, an upper cover communicated with the pressure release valve and a valve body connected with the upper cover. An oxygen inlet is formed in the upper cover, a piston is arranged in the upper cover, the piston is connected with the valve element, the valve element is sleeved with a first spring, and the first spring is limited by a check ring connected with the valve element; a hydrogen inlet and a hydrogen outlet are formed in the valve body, a valve port pad is arranged in the valve body, and the valve port pad is connected with the valve seat; according to the structure, the oxygen inlet of the back pressure valve is communicated with the oxygen port for electrolytic hydrogen production, the hydrogen inlet of the back pressure valve is communicated with the hydrogen port for electrolytic hydrogen production, when the oxygen pressure of the oxygen inlet is increased, the hydrogen pressure of the hydrogen inlet is also increased, and it is guaranteed that the pressures on the two sides of the diaphragm are the same.
Owner:SHANGHAI WOYUAN AUTOMATIC CONTROL VALVE CO LTD