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33results about How to "Simple working conditions" patented technology
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Sterilizing method for medical equipment and its cleaning sterilizer
The sterilizing method for medical equipment is to combine the sterilizing function of ozonized water and organic matter degrading function of enzyme. The equipment be used to sterilize endoscope andsurgical instruments, and the sterilizing includes the steps of: washing with enzyme solution, washing with water, sterilizing with high concentration ozonized water, stoving and no-harm treatment. The cleaning sterilizer for implementing the said method includes an enclosed sprayer, an ozone generator, a stove and a microcomputerized control system and includes a no-harm treater.
Owner:王安国
Stepless tooth engagement control type high efficiency and high power clutch
InactiveCN1629508AImprove efficiencyDoes not affect transmission efficiencyFreewheel clutchesAutomatic transmissionMachine tool
Owner:王国斌
Method for disinfecting and sterilizing appliances as well as washing and sterilizing equipment
InactiveCN1415380ALow operating and social costsBrief working conditionsDiagnosticsSurgeryChemical disinfectionEnzyme
A method for disinfecting the general apparatus and medical equipment features that the biologic enzyme able to degradate biologic and organic substances, the chemical disinfectant, and the ozonized water able to disinfect, decompose and neutralize organic and inorganic substances are integrated, and includes washing with the solution of biologic enzyme, sterilizing with chemical disinfectant, washing with ozonized water, baking and harmless drainage. Its equipment is composed of sealed shower unit, ozone generator, biologic enzyme and chemical disinfectant feeder, baker and microcomputerized control system.
Owner:王安国
Method of calculating photovoltaic power station array spacing based on ArcGIS and aspect value
InactiveCN105260622ASimple working conditionsAccurate divisionSpecial data processing applicationsElevation anglePhotovoltaic power station
The invention relates to calculation of photovoltaic power station array spacing and provides a method of calculating photovoltaic power station array spacing based on ArcGIS and an aspect value. Firstly, a system performs region division on a topographic map of a site on which a photovoltaic power station is to be constructed through ArcGIS; secondly, the system acquires an included angle between the slope of each region and a horizontal plane and records the included angle as a slope value alpha; the system acquires a clockwise included angle between the position of the slope and a due south direction and records the included angle as an aspect value gamma; the system calculates a solar elevation angle theta and a solar azimuth angle delta of each region; then the system determines the longitudinal length of an array and records the length as array height L, and an included angle between an inclined surface of a photovoltaic array and the horizontal plane is recorded as an array inclination angle beta; then the system calculates photovoltaic array spacing D according to the parameters by adopting a calculation formula as shown in the accompanying drawing; finally, the system obtains spacing between photovoltaic power stations to be constructed in each region according to the photovoltaic array spacing D of each region. The method is applicable to calculation of photovoltaic power station array spacing based on the aspect value.
Owner:POWERCHINA CHENGDU ENG
Dielectric barrier discharge plasma flat-plate turbulence flow drag reduction device
The invention discloses a dielectric barrier discharge plasma flat-plate turbulence flow drag reduction device, which comprises upper and lower layer electrodes and an insulating dielectric layer arranged between the upper and lower layer electrodes. The upper and lower layer electrodes are connected with a high-voltage high-frequency power supply separately. The upper and lower layer electrodes are arranged in an asymmetrical manner relative to the insulating dielectric layer, and are staggered back and forth. When in use, the upper and lower layer electrodes are electrified with the high-voltage high-frequency power supply, so that air of surfaces of the drag reduction device is ionized, and charged particles move in a directed manner along an electric field under the action of an electric field force and collide with neutral air gas molecules, thereby inducing an air flow in the area to do directional movement to form a continuous jet flow. The dielectric barrier discharge plasma flat-plate turbulence flow drag reduction device has the advantages of simple working conditions, low cost, simple structure and easy mass production.
Owner:ZHEJIANG UNIV
Novel high-efficiency thermionic power supply
InactiveCN103427709ASimple working conditionsImprove transfer efficiencyKinetic-electric generatorThermionic emissionLight energy
The invention relates to a novel high-efficiency thermionic power supply. The novel high-efficiency thermionic power supply is characterized in that an emitting electrode (1) is made of thermionic emitting material of which the melting point is higher than the temperature of a high-temperature heat source (7); a receiving electrode (2) is made of non-thermionic emitting material of which the melting point is higher than the temperature of the high-temperature heat source (7); the emitting electrode (1) and the receiving electrode (2) are arranged in a heat-insulating casing (6) and are located in a same high-temperature heat chamber (4); the emitting electrode (1) and the receiving electrode (2) are connected with an electric pump direct current power supply (11) in series through a lead (9) and a lead (10); the thermionic emission of the emitting electrode (1) is caused by heating the emitting electrode (1) through the high-temperature heat source (7), so that the electromotive force of the receiving electrode (2) is higher than the electromotive force of the emitting electrode (1) and further extra power is provided for thermions to move to the receiving electrode (2); the thermions fly to the receiving electrode (2) under the push of the driving electromotive force of the receiving electrode (2) and an induced electric field of the electric pump direct current power supply (11), pass through a clearance between the two electrodes, and are captured on the receiving electrode (2). According to the novel high-efficiency thermionic power supply, various energy sources, such as nuclear energy, heat energy and light energy, can be converted into ionization energy as much as possible.
Owner:张维国
Motor carrier frequency calibration system, method and device
ActiveCN111398812AImprove accuracySimple working conditionsSubsonic/sonic/ultrasonic wave measurementPower measurement by current/voltagePower analysisElectric machine
The invention relates to a motor carrier frequency calibration system, method and device. The system comprises a dynamometer, a computer device, a noise detection device and a power analysis device. The computer device is used for sending a carrier frequency value to the motor controller and sending a given rotating speed value to the dynamometer. The dynamometer is used for controlling the rotating speed of the to-be-calibrated motor according to the given rotating speed value and returning an actual torque value and an actual rotating speed value of the to-be-calibrated motor to the computerdevice. The noise detection device and the power analysis device are respectively used for acquiring and transmitting a motor noise value and an input power value to the computer device. The computerdevice is also used for determining a system efficiency value according to the actual torque value, the actual rotating speed value and the input power value, and calibrating a target carrier frequency value corresponding to the given rotating speed value according to the carrier frequency value and the motor noise value. By adopting the system, the calibration efficiency and the calibration result accuracy can be improved.
Owner:CHONGQING JINKANG POWER NEW ENERGY CO LTD
Electromagnetic valve high-dynamic high-frequency response control method based on voltage pulse width modulation technology
ActiveCN111810698AIncrease rate of ascentShort timeOperating means/releasing devices for valvesVoltage pulseAverage current
The invention discloses an electromagnetic valve high-dynamic high-frequency response control method based on a voltage pulse width modulation technology. A single working period of an electromagneticvalve is divided into a preloading excitation stage, a preloading maintaining stage, an opening stage, a reverse excitation stage, an opening maintaining stage, a closing stage and a closing maintaining stage. A single voltage source is adopted, the voltage source modulated by a high-frequency square wave signal with the duty ratio of 100% is adopted for excitation in the preloading stage, the current rising rate is higher, the current rises to the preloading current state faster, and the time consumed in the preloading excitation stage is shorter; and the current is then maintained in a preloaded current state. According to the method, in a reverse excitation stage, the voltage source modulated by the high-frequency square wave signal with the duty ratio of -100% is adopted for excitation, and the current is rapidly reduced to a maintaining current; and according to the electromagnetic valve, the average current in the working period is reduced, the electromagnetic energy consumptionis reduced, and the electromagnetic valve can adapt to a better opening and closing working condition.
Owner:ZHEJIANG UNIV OF TECH
Electric initiating explosive device component with high safety and low energy consumption
ActiveCN104266553AHigh safety currentHigh safety current (≥1A), which means high safetyBlasting cartridgesElectronic switchEnergy consumption
The invention discloses an electric initiating explosive device component with high safety and low energy consumption. The electric initiating explosive device component comprises an electric initiating explosive device, an electronic switch and a packaging body; the electronic switch and the packaging body are arranged in the packaging body; the electronic switch is connected with the electric initiating explosive device in parallel; in the non-ignition state, the electronic switch is in the normal open state, and at the moment, the electric initiating explosive device is in a short circuit state and has the high safety current and high safety; in the ignition state, the electronic switch is disconnected, the electric initiating explosive device has access to an ignition control circuit, normal ignition can be achieved only through the low ignition energy and ignition voltage, and the low-energy ignition capability is achieved. The electric initiating explosive device component has the high safety and the low-energy ignition capability at the same time, and meanwhile due to the simple working condition of the electronic switch, a complex peripheral circuit is not needed.
Owner:北京博创精芯科技有限公司
Warehouse truck
ActiveUS9278841B2Easy for to terminate chargingReduce thrustEngagement/disengagement of coupling partsCharging stationsEngineeringTruck
A warehouse truck includes an electric truck contact in direct connection to or on a battery. The electric truck contact is arranged to take part in the switching between three battery modes. The truck contact includes a first group of guides that cooperate with a second group of guides on a truck charging contact and a third group of guides on a truck operation clamp.
Owner:BT PROD
Warehouse Truck
ActiveUS20140361232A1Fast charging of batteryEasy for to terminate chargingEngagement/disengagement of coupling partsBatteries circuit arrangementsTruckEngineering
A warehouse truck includes an electric truck contact in direct connection to or on a battery. The electric truck contact is arranged to take part in the switching between three battery modes. The truck contact includes a first group of guides that cooperate with a second group of guides on a truck charging contact and a third group of guides on a truck operation clamp.
Owner:BT PROD
Illuminating lamp fixing bracket for construction site
InactiveCN107883350ASimple structureFunctionalLighting support devicesWith built-in powerGear wheelArchitectural engineering
The invention discloses a lighting lamp fixing bracket for a construction site, which includes a lighting platform, a telescopic rod is arranged on the lower part of the lighting platform, a fixed frame is fixed on the left side of the telescopic rod, and the left side of the lower part A double gear is connected, the left side of the double wheel is fixed with a chain, the lower left side of the chain is connected with a gear, the lower part of the gear is provided with a gear, and the upper right side of the front wheel is connected with a motor , the upper part of the lighting platform is provided with an illuminator, the lower right side of the illuminator is fixed with an engine, the inside of the engine is provided with a switch, the lower left side of the switch is connected with an oil filling port, and the oil filling port The right side is fixed with a handrail, the left side of the handrail is provided with a storage battery, the left and right sides of the storage battery are fixed with a vehicle body, the bottom of the vehicle body is connected with a front wheel, and the upper left side of the front wheel is provided with a socket. The construction site lighting lamp fixing bracket is simple in structure and has practical functions.
Owner:成都优速大荣科技有限公司
Oil extraction method for steam assisted gravity drainage (SAGD) dual horizontal well and tubular column equipment of oil extraction method
InactiveCN105986794ASimplify the lifting processSimple working conditionsFluid removalSteam-assisted gravity drainageEquipment use
The invention provides an oil extraction method for steam assisted gravity drainage (SAGD) dual horizontal wells and tubular column equipment of the oil extraction method. The SAGD oil extraction method comprises a circulation preheating stage and a production stage which are conducted in sequence. The production stage comprises a lifting technique. The circulation preheating stage comprises the steps that steam is injected into the producing well through the first tubular column equipment; steam is injected into the steam injection well arranged above the producing well in parallel through the second tubular column equipment; and the producing well is made to communicate with the steam injection well. The lifting technique comprises the steps that the first tubular column equipment is reserved when the circulation preheating stage shifts to the production stage; and the well bottom pressure of the steam injection well is increased, so that oil reservoir fluid in the producing well is lifted to the ground through the first tubular column equipment. By the adoption of the technical scheme of the oil extraction method and the tubular column equipment thereof, the problems that in the prior art, working conditions of a lifting technique during SAGD shallow oil extraction are complex, and equipment application is limited are effectively solved.
Owner:PETROCHINA CO LTD
Controller performance test platform of cascaded SVG platform
InactiveCN107045337AModify parameters in real timeSolving limited testing capabilitiesProgramme controlElectric testing/monitoringElectrical resistance and conductanceReal-time simulation
The invention relates to a controller performance test platform of a cascaded SVG platform. The test platform comprises an SVG controller, a level adaptation board and an RTDS real-time simulation model; a signal of the SVG controller is connected to a board card of the RTDS real-time simulation model via the level adaptation board; the level adaptation board comprises a resistance voltage division circuit and an optical coupling circuit, and is used to match the signal level between the SVG controller and the RTDS real-time simulation model; and the RTDS real-time simulation model comprises an SVG main loop real-time simulation model and a power grid real-time simulation model. A real-time simulation technology is used, an RTDS is used to establish a hardware in-loop system of the RTDS real-time simulation model and the SVG controller, and the technical problems that a present SVG controller performance test method is limited in test capability, hard to simulate the condition and incomplete in test functions are solved effectively.
Owner:中国东方电气集团有限公司
Power generation device using residual potential energy
PendingCN108756823ARealize collection conversionInnovative designFluid removalMachines/enginesFree fallingDrive wheel
The invention discloses a power generation device using residual potential energy. The power generation device comprises a bracket, a driven wheel, a crank mechanism and a power generator. The crank mechanism is mounted on the bracket. The driven wheel is arranged at the front end of the crank mechanism. A driven wheel circle center shaft is fixedly mounted at the circle center position of the driven wheel. A driven wheel eccentric shaft is fixedly mounted at the eccentric position of the driven wheel. The driven wheel is rotationally connected with a belt wheel at the front end of an output shaft of the power generator through a transmission belt. The power generation device is novel in design, electric energy of an oil pumping unit is converted into mechanical energy through a motor matched with a beam-pumping unit, lifting potential energy is converted into free-fall motion through the weight of an underground oil pumping rod underground the oil pumping unit in the downstroke process of the beam-pumping unit, part of the potential energy is further converted into kinetic energy due to the action of a balance block, the potential energy of down-stroke underground oil pumping is greater than part of the converted kinetic energy, the residual potential energy means that the unconverted potential energy is converted into electrical energy, and thus collection and conversion of the energy are achieved.
Owner:赵建明
High-altitude balloon-borne solar unmanned aerial vehicle system
PendingCN112918656AReduce design difficultySimple working conditionsAircraft componentsBalloon aircraftsAerospace engineeringTroposphere
The invention provides a high-altitude balloon-borne solar unmanned aerial vehicle system. The high-altitude balloon-borne solar unmanned aerial vehicle system comprises a solar unmanned aerial vehicle, a high-altitude balloon, a hanging mechanism, a releasing mechanism and a traction rope. The solar unmanned aerial vehicle is a high-altitude super-long-endurance solar unmanned aerial vehicle, the high-altitude balloon is a disposable helium balloon, the hanging mechanism is of a carbon fiber frame structure, the releasing mechanism is an initiating explosive device rope cutter, and the traction rope is a macromolecular polyethylene rope. The solar unmanned aerial vehicle is hung to the height of 17 km or above through the high-altitude balloon and then released, ground rapid take-off, troposphere rapid crossing and high-altitude safe release can be achieved, the strict requirements for take-off runways, meteorological conditions and flight airspace are lowered, and the design difficulty of the solar unmanned aerial vehicle is lowered.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS
A Downhole Self-operated Forced Vortex Drainage and Gas Production Device
InactiveCN109356554BIncrease swirl intensitySimple working conditionsFluid removalRubber ringElastomer
The invention relates to a downhole self-supporting forced eddy drainage gas recovery device. The downhole self-supporting forced eddy drainage gas recovery device comprises a spiral slow generator. The spiral slow generator is connected with an ordinary gear train, the ordinary gear train meshes with a pneumatic actuating end through an internal gear, and an elastic shear pin is connected with the pneumatic actuating end and a center pipe. The pneumatic actuating end is inserted into a turbine stator, and the center pipe is connected with the turbine stator. A machine frame is connected to the upper part of the center pipe, and a rubber ring and an elastic body sleeve the outer surface of the center pipe. A pin is installed on the lower part of the elastic body, the pin is connected withthe elastic body and an elastic body spring, and the elastic body spring loosens and is tightly attached to the inner wall of an oil pipe to realize clamping of the whole device when approaching the predetermined position in the lowering process; then the elastic shear pin is cut under the excitation force, the spiral slow generator, the machine frame, the ordinary gear train, the pneumatic actuating end, the center pipe, the turbine stator and the like move downwards along the axis of the oil pipe relative to a coupling, the rubber ring is compressed and subjected to annular clearance gap seal with the oil pipe; and when the spiral slow generator rotates at a high speed, the internal design enables fluid flowing nearby the spiral slow generator to obtain higher swirling intensity.
Owner:XI'AN PETROLEUM UNIVERSITY
Sterilizing method for medical equipment and its cleaning sterilizer
InactiveCN1193794CLow running costSimple working conditionsLavatory sanitoryChemicalsHigh concentrationOzone generator
Owner:王安国
Pneumatic motor
ActiveCN110359962AGuaranteed sealing performanceContinuous rotationSealing arrangements for enginesRotary piston enginesPower equipmentPulp and paper industry
The embodiment of the invention discloses a pneumatic motor, and relates to the technical field of power equipment. The pneumatic motor comprises a machine frame, a rotor, a cylinder body, a swash plate and a paddle rod, wherein the rotor is arranged in the machine frame, and the rotor is provided with a threading hole; the cylinder body is arranged outside the machine frame, an air flow groove isformed in the cylinder body, and an inclined fixed shaft perpendicular to the air flow groove is arranged on the end face of the cylinder body; the depth from the two ends of the air flow groove to the middle of the air flow groove is gradually deepened, and the swash plate is fixed on the inclined fixed shaft; and the paddle rod is slidably arranged in the threading hole, one end of the paddle rod is connected with a fisheye slide rod of the swash plate, and the other end of the paddle rod is located in the air flow groove. The pneumatic motor has the advantages that the working condition issimple, the situations that the sealing becomes poor or invalid, and the pneumatic motor even cannot be started cannot appear, and the output torque and the rotating speed are stable.
Owner:顾新钿
A kind of coal mine underground air conditioner and refrigeration method driven by small explosion-proof compressed air
ActiveCN110410130BPrevent disasters such as explosionsAvoid disasterMining devicesTunnel/mines ventillationCold airTemperature control
Owner:CHONGQING UNIV
Small explosion-proof coal mine underground air conditioner driven by compressed air, and refrigeration method
ActiveCN110410130APrevent disasters such as explosionsAvoid disasterMining devicesTunnel/mines ventillationCold airTemperature control
The invention discloses a small explosion-proof coal mine underground air conditioner driven by compressed air, and a refrigeration method. The air conditioner comprises an inlet compressed air treatment module, a vortex tube refrigeration module and an outlet exhaust treatment module; the inlet compressed air treatment module comprises a filter and a pressure reducing valve; the vortex tube refrigeration module comprises a vortex chamber, and one end of a vortex tube in the vortex chamber is connected with a cold end tube; the other end of the vortex tube is connected with a hot end tube, anda temperature control valve and a muffler are installed on an outlet pipeline of the hot end tube; the other end of the cold end tube is connected with a cold air tube in an air conditioning room; and the outlet exhaust treatment module comprises a gas-water separation device, a gas collecting device, a recycling device and an emptying device. According to the air conditioner, by adopting the vortex tube driven by the compressed air for refrigeration, the disadvantages of a traditional refrigeration mode can be overcome, and the air conditioner has the advantages of a simple refrigeration system, flexible application, less cold conveying pipelines, low bearing pressure, low requirements for pipeline materials, a good cooling effect, no pollution to underground environment and the like.
Owner:CHONGQING UNIV
Device and method for preparing ultrafine grains from difficult-to-deform material
PendingCN111375721AAchieve refinementSimple structureForging/hammering/pressing machinesForging press detailsControl systemCopper electrode
The invention provides a device and method for preparing ultrafine grains from a difficult-to-deform material. The device comprises a die assembly, a loading device, a control system and a power supply system, wherein the die assembly is arranged in the loading device and is connected with the power supply system, and the loading device is also connected with the control system; and the die assembly comprises an upper die assembly and a lower die assembly, the upper die assembly comprises an upper die plate, an upper insulating plate, an upper copper electrode and an upper die which are sequentially arranged from top to bottom, the lower die assembly comprises a lower die plate, a lower insulating plate, a lower copper electrode and a lower ide which are sequentially arranged from bottom to top, the upper copper electrode and the lower copper electrode are connected with the power supply system, and the lower die plate and the upper die plate are connected through guide sleeves and guide columns. According to the device and method for preparing the ultrafine grains from the difficult-to-deform material, the ultrafine grains are easily prepared from the difficult-to-deform material,the ultrafine grains are obtained through high-temperature and high-pressure torsional deformation, the equipment structure is simple, and the deformation degree is easy to control.
Owner:HARBIN INST OF TECH AT WEIHAI
Method for treating whole and fresh fruits in white wine
InactiveCN102356854BShort processing timeSimple working conditionsFood preparationBiotechnologyFruit wine
The invention discloses a method for treating whole and fresh fruits in white wine. The method treats fresh fruits including pear and apple, adopts three formulas which are self-researched and developed and suitable for whole treatment of fresh fruits, utilizes drinking clear water from 300m deep wells, and treats the fresh fruits through four steps. The steps includes filling a treating agent 1 into a wine bottle filled with fruits, soaking the fruits for 6-8 minutes, filling a treating agent 2 into the bottle treated by the first step, soaking the fruits for 6-8 minutes, filling a treating agent 3 into the bottle treated by the second step, soaking the fruits for 10-20 minutes, finally soaking and washing the bottle for several times, testing the washing fluid through fuchsine, and the fruits can be treated as clean when the washing fluid is fadeless. The method achieves disinfection and decoloration of the whole and fresh fruits, and the fruits can be true fruits which are crystal clear and pollution-free. The method is short in treating time, simple in working condition and economical and can meet requirements of wine industry production. The method provides a novel treating technology of whole fruits in wine for the wine industry, simultaneously can be used for disinfection and decoloration of other types of fruit wine fruits, and has wind application prospect.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Non-contact type active damping device
ActiveCN102230509BNo mechanical contactCompact structureNon-rotating vibration suppressionVibration absorptionInstrumentation
The invention discloses a non-contact type active damping device. The device comprises a damper and a driver, wherein the damper is electrically connected with the driver and comprises a stationary stator and a damping generator which is separated from the stator; and the damping generator can move in one direction relative to the stator. The damping device consists of a rotor and a stator which are separated, and the driving current of a driving circuit is adjusted in an active control mode, so that active control over damping force can be realized. Adaptive variable damping control can be provided for an ultra-precise vibration absorber by the damping device, so that the high frequency vibration of a vibration absorbing table can be effectively weakened. An ultra-quiet environment can be provided for a photoetching machine and other precise equipment by the non-contact type active damping device. The non-contact type active damping device can be used as the basic support of miniature ultra-precise equipment and precise instruments. By serially connecting the damping device with passive damping devices such as air springs, hydraulic vibration isolators and the like, precise vibration absorption also can be performed on large-size equipment and large-size instruments.
Owner:武汉微搏科技有限公司
An electrical pyrotechnics component
ActiveCN104266553BHigh safety currentSimple working conditionsBlasting cartridgesElectronic switchFireworks
The invention discloses an electric initiating explosive device component with high safety and low energy consumption. The electric initiating explosive device component comprises an electric initiating explosive device, an electronic switch and a packaging body; the electronic switch and the packaging body are arranged in the packaging body; the electronic switch is connected with the electric initiating explosive device in parallel; in the non-ignition state, the electronic switch is in the normal open state, and at the moment, the electric initiating explosive device is in a short circuit state and has the high safety current and high safety; in the ignition state, the electronic switch is disconnected, the electric initiating explosive device has access to an ignition control circuit, normal ignition can be achieved only through the low ignition energy and ignition voltage, and the low-energy ignition capability is achieved. The electric initiating explosive device component has the high safety and the low-energy ignition capability at the same time, and meanwhile due to the simple working condition of the electronic switch, a complex peripheral circuit is not needed.
Owner:北京博创精芯科技有限公司
Method for disinfecting and sterilizing appliances as well as washing and sterilizing equipment
InactiveCN1220522CLow running costSimple working conditionsDiagnosticsSurgeryOzone generatorMedical equipment
Owner:王安国
Control system special for down-the-hole drill carriage
ActiveCN103089148BSimple working conditionsKeep the load constantBatteries circuit arrangementsDrilling rodsCapacitanceLight equipment
The invention discloses a control system special for a down-the-hole drill carriage. The control system special for the down-the-hole drill carriage comprises a down-the-hole drill carriage controller, a control panel, a working condition displayer, a rotary motor, a rotary solenoid valve, a left drive motor, a left drive solenoid valve, a right drive motor, a right drive solenoid valve, a drive pump, a drive motor load sensor, a drive motor, a drive relay, an impactor, an air supply device, a baroceptor, an air compressor, an air compressor relay, a generator, a diesel engine, a storage battery, a super-capacitor, a working relay, a capacitance relay, a working motor load sensor, a working motor, an impelling hydraulic cylinder, an impelling solenoid valve, a working pump, a swinging hydraulic cylinder, a swinging solenoid valve, a pitching hydraulic cylinder, a pitching solenoid valve, a supporting hydraulic cylinder group, a supporting solenoid valve group and a lighting device. According to the control system special for the down-the-hole drill carriage, whole electro-hydraulic drive of the down-the-hole drill carriage is realized. Besides, the down-the-hole drill carriage has the advantages of being stable in diesel engine load, simple in control system, simple in mechanical structure, small in energy loss, large in output force, and high in drilling efficiency.
Owner:ZHEJIANG JICHAO AUTOMATION TECH
Comprehensive pipe gallery tunnel with multiple parallel compartments mutually independent in structure and construction method of comprehensive pipe gallery tunnel
PendingCN110094212ASimple working conditionsReduce mutual interferenceTunnelsStructural stressEngineering
The invention discloses a comprehensive pipe gallery tunnel with multiple parallel compartments mutually independent in structure and a construction method of the comprehensive pipe gallery tunnel. The comprehensive pipe gallery tunnel is composed of the mutually independent compartments, each compartment with the independent structure includes an advanced supporting structure, an initial supporting structure and a second lining structure, the initial supporting structures are of a wraparound structure, the advanced supporting structures are arranged on the upper parts of the initial supporting structures, and the second lining structures are arranged around the inner surfaces of the initial supporting structures. The parallel underground excavation pipe gallery tunnel structure constructed by the construction method has the following advantages that each pipe gallery tunnel is of an independent composite lining structure, and the structural stress working condition of each pipe gallery tunnel is simple; each pipe gallery tunnel is independently excavated and initial supports and second linings are then constructed, so that the mutual interference is low; and independent pipe gallery tunnels are side by side to form a comprehensive pipe gallery with a waterproof and continuous structure.
Owner:北京万兴建筑集团有限公司
an air motor
ActiveCN110359962BGuaranteed sealing performanceContinuous rotationSealing arrangements for enginesRotary piston enginesEngineeringPower equipment
The embodiment of the invention discloses a pneumatic motor, and relates to the technical field of power equipment. The pneumatic motor comprises a machine frame, a rotor, a cylinder body, a swash plate and a paddle rod, wherein the rotor is arranged in the machine frame, and the rotor is provided with a threading hole; the cylinder body is arranged outside the machine frame, an air flow groove isformed in the cylinder body, and an inclined fixed shaft perpendicular to the air flow groove is arranged on the end face of the cylinder body; the depth from the two ends of the air flow groove to the middle of the air flow groove is gradually deepened, and the swash plate is fixed on the inclined fixed shaft; and the paddle rod is slidably arranged in the threading hole, one end of the paddle rod is connected with a fisheye slide rod of the swash plate, and the other end of the paddle rod is located in the air flow groove. The pneumatic motor has the advantages that the working condition issimple, the situations that the sealing becomes poor or invalid, and the pneumatic motor even cannot be started cannot appear, and the output torque and the rotating speed are stable.
Owner:顾新钿
A High Dynamic and High Response Control Method of Solenoid Valve Based on Voltage Pulse Width Modulation Technology
ActiveCN111810698BIncrease rate of ascentShort timeOperating means/releasing devices for valvesVoltage pulseSolenoid valve
The invention discloses a high dynamic high frequency response control method of an electromagnetic valve based on voltage pulse width modulation technology. The invention divides the single working cycle of the solenoid valve into a preload excitation stage, a preload maintenance stage, an opening stage, a reverse excitation stage, an opening maintenance stage, a closing stage, and a closing maintenance stage. The present invention adopts a single voltage source. In the preloading stage, the voltage source modulated by a high-frequency square wave signal with a duty ratio of 100% is firstly used for excitation. The current rising rate is larger, and the current will rise to the preloading current state faster , so that the time-consuming preload excitation phase is shorter; then the current is maintained at the preload current state. In the reverse excitation stage, the method uses a voltage source modulated by a high-frequency square wave signal with a duty ratio of -100% to quickly reduce the current to the maintenance current; the present invention not only reduces the average current in the working cycle, The electromagnetic energy consumption is reduced, and the electromagnetic valve can adapt to better opening and closing conditions.
Owner:ZHEJIANG UNIV OF TECH
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