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31results about How to "Meet site requirements" patented technology
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Helmet type infrared detection and image transmission processing system
ActiveCN101867797AGuarantee signal qualitySmall sizeTelevision system detailsRadiation pyrometryInfraredEngineering
The invention belongs to the technical field of firefighting infrared detection, in particular a helmet type infrared detection and image transmission processing system. The system mainly comprises a front-end transmission system, a background command system and a relay system which transmit corresponding signals through radio waves. The front-end system integrated on equipment of a fire fighter acquires information in a fire, and transmits the information to the relay system and the background command system through the radio waves; and the background command system analyzes corresponding information to provide intuitive fire date and facilitate rescue deployment. The system has the characteristics of small volume, light weight, convenient carrying and the like, realizes functions of discovering rescue targets on the fire scene, acquisition and radio transmission of audio, video and data, image processing, intelligent analysis, real-time display and the like, accords with the development tendency of light, intelligent, high-efficiency and integrated firefighting equipment, and meets actual firefighting requirement and firefighting army assaulting requirement.
Owner:SHANGHAI FIRE RES INST OF THE MIN OF PUBLIC SECURITY +2
Site uranium fast analysis method and special reagent packet for method
ActiveCN102156105ASimple and fast operationOperation time savingColor/spectral properties measurementsAcetic acidMass ratio
The invention provides a site uranium fast analysis method and a special reagent packet for the method, belonging to the chemical analysis field, wherein in the special solid reagent packet, arsenazoi III, potassium acid sulphate solid without crystal water and disodium ethylene diaminetetraacetate are mixed according to mass ratio of 0.50-1.50:2.70-4.05:10-60; the weight of each part which is separately sealed and packaged is 13.20-65.66mg; during the analysis, the photometric detection of uranium can be performed only by adding the uranium solid reagent packet into a sample. In the invention, the reagent is not necessary to be added in steps, the problems of long time-consuming and complex steps in the traditional detection are solved; and the method has the advantages that the operations are simple, the time is saved, and site requirements are met and the like. The method can be used for batch detections in production.
Owner:EAST CHINA UNIV OF TECH
Special protecting material for oversized round billet made of medium carbon steel for continuous casting mold
The invention discloses a special protecting material for an oversized round billet made of medium carbon steel for a continuous casting mold. The protecting material comprises the following materials by mass percent: 40.0% of pre-melting material, 16% of albite in powder, 3% of cement clinker, 12.0% of sodium carbonate, 5.5% of fluorite, 1% of iron oxide red, 2.5% of lithium carbonate, 14% of black carbon and 6% of 85flake graphite. The protecting materials produced by Henan Xibao Metallurgy Materials Group Co., Ltd can be melted uniformly in a crystallizer with less slag circles and have good spreadability and good thermal insulation performance, clots do not exist, the thickness of melt cinders is 10 to 12 mm at normal pulling speed, the steel consumption for each ton of protecting materials is 0.35 kg to 0.45 kg, the heat transmission at periphery in the crystallizer is stable and uniform, alarm does not exist, and cleaning free rate for surfaces of casting blanks can reach more than 98%, so that requirements for producing large-sized round billets for factories can be met.
Owner:HENAN XIBAO METALLURGICAL MATERIALS GROUP
Microfoam acid liquid and preparation method thereof
The invention belongs to the technical field of foam acid and discloses microfoam acid liquid, constitution of a compound foaming agent of the microfoam acid liquid and a preparation method of the microfoam acid liquid. The microfoam acid liquid contains the following components in percentage by mass (100% in total): 10%-25% of HCl (hydrochloric acid), 0.36% of SDJR-2 (compound foaming agent), 0.24% of SBW-101 (foam stabilizer), 0.2% of FS3802 (thickening agent) and the balance of water, wherein the compound foaming agent SDJR-2 contains 55.56% of an FBM-5-2 foaming agent and 44.44% of an AK-304 foaming agent. The microfoam acid liquid has good properties of foaming, foam stabilization, viscosity maintenance, acid rock reaction retardance, temperature resistance, salt resistance, oil resistance, sand carrying and the like; by observing through an optical microscope, the microstructure and size of the microfoam acid liquid meet the dimensional requirement of microfoams; experimental evaluation shows that the microfoam acid liquid is a novel acid liquid system with excellent performance and has wide application prospects.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
Modular extrusion aluminum condensation heat exchanger and condensation boiler
PendingCN110006174AReduce design costReduce manufacturing costAir heatersIndirect heat exchangersEngineeringErosion
The invention discloses a modular extrusion aluminum condensation heat exchanger and condensation boiler. According to the opposite arrangement of a burner and the extrusion aluminium condensation heat exchanger, the single, left-right or upper-lower split condensation boiler is formed, and the condensation boiler is composed of extrusion aluminium heat transfer units, an inlet gradually expandingflue, a dew tray, an inlet header, an outlet header and the fully premixed fire exhaust burner; after extrusion forming, an aluminium rod becomes the extrusion aluminium heat transfer unit with complete waterways by the secondary machining and assembly, and the extrusion aluminium heat transfer units are combined into the condensation heat exchanger or a main part of the condensation boiler; a combustion head of the fully premixed fire exhaust burner extends between the extrusion aluminum heat transfer units to avoid the deformation and leakage of a sealing cover plate caused by flame erosion; extrusion aluminium has the advantages of high tensile strength, low density and corrosion resistance, and the cost of the extrusion aluminium is only 30% that of cast aluminium-silicon and 60% thatof stainless steel; and according to the surplus design of the extrusion aluminium heat transfer units, the efficiency of the boiler is improved by more than 6%, energy and gas are saved, and the shortage of natural gas is alleviated.
Owner:XI AN JIAOTONG UNIV
Assembling method of climbing type side slope small-sized drilling equipment
ActiveCN111140169AWell adapted to site conditionsMeet site requirementsEarth drilling toolsDerricks/mastsVehicle frameEmergency rescue
The invention discloses an assembling method of climbing type side slope small-sized drilling equipment. The equipment comprises a climbing walking trolley, an operation platform arranged on the climbing walking trolley, and an anchor drilling rig arranged above the operation platform. The assembling method of the climbing type side slope small-sized drilling equipment comprises the following steps of (1) installing a front connecting shaft wheel and a rear connecting shaft wheel at the end parts of a car frame; (2) splicing steel pipe components so as to form a fence, laying a panel on the car frame, and forming the operation platform; (3) installing a hauling device on the car frame; (4) installing a braking system; and (5) fixing the anchor drilling rig 1 above the operation platform 2by using a U-shaped connecting piece. According to the assembling method of the climbing type side slope small-sized drilling equipment provided by the invention, different rod pieces can be selectedto be freely assembled according to different inclination angles of a side slope, so that the need of practical engineering is met. The special braking system is arranged, so that the problem that theplatform swings up and down during drilling so as to cause the shaking and the breaking of a drill rod is effectively solved. The assembling method of the climbing type side slope small-sized drilling equipment provided by the invention is particularly suitable for emergency rescue work after mountain landslide and foundation pit collapse, and is convenient, rapid, and easy to operate.
Owner:DALIAN UNIV OF TECH
Gas-liquid coupling drive system for gas drilling
ActiveCN111963644AMeet site requirementsAvoid pressure lossBorehole drivesFluid gearingsHydraulic motorCoupling
The invention provides a gas-liquid coupling drive system for gas drilling. The system comprises a gas-liquid coupling stamping device, a hydraulic oil control device, a hydraulic motor mechanism andan oil tank assembly, wherein the gas-liquid coupling stamping device comprises a pneumatic impactor and a reciprocating pump, a piston of the pneumatic impactor can collide with a pump piston of thereciprocating pump, so that mechanical energy is transmitted to the pump piston, and the reciprocating pump can convert the mechanical energy into pressure energy of hydraulic oil; the hydraulic oil control device comprises a flow allocation unit, an energy storage unit and an adjusting unit; the hydraulic motor mechanism can receive the hydraulic oil conveyed by the adjusting unit and convert thehydraulic energy into mechanical energy; and the oil tank assembly can recover the hydraulic oil flowing out from the hydraulic motor mechanism and comprises an oil storage tank and a supercharger. According to the gas-liquid coupling drive system for gas drilling, the pneumatic impactor and the pump piston perform relatively independent motion and do not affect each other; and the hydraulic oilcontrol device can convey a stable power source to the hydraulic motor mechanism, fluid displacement required by a hydraulic motor is smaller, and operability is high.
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Internet of things based intelligent lawn mower
The invention relates to an internet of things based intelligent lawn mower. The intelligent lawn mower includes a mower body, a moving mechanism, a cutting mechanism, a pushing handle, and a fertilizing mechanism; the cutting mechanism includes a lifting assembly and a cutting assembly; the fertilizing mechanism includes a fertilizer box, a storage cover and a switch assembly; a central control mechanism includes a central control module, a motor control module connected to the central control mechanism, a travel control module, a distance detection module, a wireless communication module and a working power supply module; the moving mechanism includes driving wheels; an infrared sensor is arranged on the bottom of the hydraulic cylinder; and a storage battery is arranged in the mower body. A second motor is controlled to allow a blade to move vertically to control the cutting length of a lawn, different demands of lawn sites can be met, and the flexibility of the intelligent lawn mower can be improved; the opening of a discharging cover can be controlled by a third motor so as to control the fertilizer amount, the lawn mower has various functions, the practicability of the lawn mower is improved, and the working efficiency is improved.
Owner:凤阳凤辰电子科技有限公司
Grouting repair construction method for underground continuous wall defect
The invention relates to a grouting repair construction method for an underground continuous wall defect, comprising the steps of: 1) constructing a water stop curtain on both sides of the defect position, and cleaning the waste slurry and waste soil above a groove section; 2) performing coring at the specified location and using a drill to drill the hole to the specified depth; 3) installing a suitable size of slurry pipes in the core hole, and embedding two slurry pipes in each core hole, one for a grouting pipe and the other for a discharging pipe; 4) using a grouting pump for washing withwater, and lifting up and down while washing until the water overflows from the core hole; 5) grouting into the slurry pipes with grouting material; and 6) performing grouting more than two times in each core hole, firstly performing grouting in one grouting pipe, and stopping the grouting after the slurry in the discharging pipe overflows and closing a ball valve; then performing grouting again until the pressure in the slurry pipes reach 1Mpa or more, stopping the grouting and closing the ball valve to end the grouting. According to the grouting repair construction method for underground continuous wall defect, a variety of underground continuous wall defects and leakage problems caused by special reasons can be effectively solved.
Owner:SHANGHAI FOUND ENG GRP
Control system for wireless integrated X-ray detection apparatus
ActiveCN108088862AReduce weightSolve the attenuation problemTotal factory controlProgramme control in sequence/logic controllersProgrammable logic controllerControl system
The invention belongs to the technical field of industrial X-ray machines and particularly relates to a control system for a wireless integrated X-ray detection apparatus. The control system for the wireless integrated X-ray detection apparatus comprises a PLC (Programmable Logic Controller), a generator pressure detection module, a generator temperature detection module, a power supply module, akilovolt control module, a kilovolt detection module, a controlled silicon driving module and a main circuit module; the PLC is connected with the generator pressure detection module, the generator temperature detection module, the power supply module, the kilovolt control module, the kilovolt detection module, the controlled silicon driving module and the main circuit module; the main circuit module is connected with the kilovolt control module, the kilovolt detection module and the controlled silicon driving module. The control system for the wireless integrated X-ray detection apparatus, disclosed by the invention, has the advantages of high working efficiency, low possibility of being intervened, adjustable parameters, safety and the like.
Owner:丹东市祯晟科技有限公司
An intelligent lawn mower based on the Internet of Things
The invention relates to an internet of things based intelligent lawn mower. The intelligent lawn mower includes a mower body, a moving mechanism, a cutting mechanism, a pushing handle, and a fertilizing mechanism; the cutting mechanism includes a lifting assembly and a cutting assembly; the fertilizing mechanism includes a fertilizer box, a storage cover and a switch assembly; a central control mechanism includes a central control module, a motor control module connected to the central control mechanism, a travel control module, a distance detection module, a wireless communication module and a working power supply module; the moving mechanism includes driving wheels; an infrared sensor is arranged on the bottom of the hydraulic cylinder; and a storage battery is arranged in the mower body. A second motor is controlled to allow a blade to move vertically to control the cutting length of a lawn, different demands of lawn sites can be met, and the flexibility of the intelligent lawn mower can be improved; the opening of a discharging cover can be controlled by a third motor so as to control the fertilizer amount, the lawn mower has various functions, the practicability of the lawn mower is improved, and the working efficiency is improved.
Owner:凤阳凤辰电子科技有限公司
Construction technique for multi-step manual smearing of double-component fireproof paint
ActiveCN105396762ASimple construction processReduce construction difficultyPretreated surfacesCoatingsCoated surfaceFiber
The invention discloses a construction technique for multi-step manual smearing of double-component fireproof paint. The construction technique comprises the following steps that firstly, sand blasting is conducted on a base material, and contaminants on the surface of the base material are removed; secondly, fireproof paint primer is sprayed onto the base material; thirdly, the mixed fireproof paint is evenly smeared on the fireproof paint primer and stands for 15 minutes in a workshop environment at the temperature of about 25 DEG C; fourthly, the third step is repeated; fifthly, a carbon fiber net and the surface of the wet fireproof paint are made to make sufficient contact with each other and be combined with the surface of the wet fireproof paint; sixthly, the third step is repeated, and smearing of the fireproof paint is conducted multiple times in the later stage; seventhly, the whole coating surface is trimmed; eighthly, the surface of a coating is smoothened; and ninthly, a thin layer of decorative finish paint is sprayed after the coating is cured, and smearing of the whole coating of the base material is completed. The construction technique is optimized, the construction difficulty is lowered, paint consumption is reduced, and the problem of overhead repairing of a fireproof paint coating outside a workshop is solved; in addition, the construction efficiency and the construction quality are improved, field requirements are met, and the construction cost is greatly reduced.
Owner:CHINA NAT OFFSHORE OIL CORP +2
A kind of microfoam acid solution and preparation method thereof
ActiveCN107474811BGood resistance to salt pollutionReduced stabilityDrilling compositionFoaming agentViscosity
The invention belongs to the technical field of foam acid and discloses microfoam acid liquid, constitution of a compound foaming agent of the microfoam acid liquid and a preparation method of the microfoam acid liquid. The microfoam acid liquid contains the following components in percentage by mass (100% in total): 10%-25% of HCl (hydrochloric acid), 0.36% of SDJR-2 (compound foaming agent), 0.24% of SBW-101 (foam stabilizer), 0.2% of FS3802 (thickening agent) and the balance of water, wherein the compound foaming agent SDJR-2 contains 55.56% of an FBM-5-2 foaming agent and 44.44% of an AK-304 foaming agent. The microfoam acid liquid has good properties of foaming, foam stabilization, viscosity maintenance, acid rock reaction retardance, temperature resistance, salt resistance, oil resistance, sand carrying and the like; by observing through an optical microscope, the microstructure and size of the microfoam acid liquid meet the dimensional requirement of microfoams; experimental evaluation shows that the microfoam acid liquid is a novel acid liquid system with excellent performance and has wide application prospects.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)
A centralized controller applied to reservoir dam body monitoring system
InactiveCN106354066BVersatileLow costProgramme controlComputer controlLaser transmitterMonitoring system
Owner:UNIV OF JINAN
Pipe jacking machine receiving device and receiving method under high water pressure condition
ActiveCN104455724BReceiving is safe and reliableReduce the risk of receivingPipe laying and repairRubber ringEngineering
The invention relates to a tube push bench receiving device and method under the high-water-pressure condition. The device comprises an orifice tube, a flange tube, a steel sleeve receiving cabin, a vent valve, a pressure stabilizing tube, a pressure stabilizing cabin, a pressure gauge, a drain valve and an overflowing valve, wherein the orifice tube, the flange tube, the steel sleeve receiving cabin and the pressure stabilizing cabin are sequentially connected, the vent valve is installed on the steel sleeve receiving cabin, and the pressure stabilizing tube, the pressure gauge, the drain valve and the overflowing valve are installed on a pressure stabilizing cabin body. Y-shaped sealing rubber rings are installed at the two ends of the flange tube, have a good sealing effect and are used for eliminating the water and thick liquid leaking problems caused by stratum high-water-pressure conditions when a tube push bench is received. The method is based on the slurry balance principle, the slurry pressure in the steel sleeve receiving cabin and the stratum water and soil pressure are kept balanced by adjusting the pressure of gas in the pressure stabilizing cabin, and the tube push bench is safely and reliably received. By means of the application of the device and the method, the reinforcing and rainfall construction of a soil body at the receiving end can be removed, the device is recycled, and the construction cost is reduced.
Owner:CHINA RAILWAY 18TH BUREAU GRP CO LTD +2
Simultaneous underlying device and underlying method for drilling multi-way sleeves
The invention discloses a simultaneous underlying device and underlying method for drilling multi-way sleeves. The simultaneous underlying device comprises a support surface, wherein a drilling toweris fixed to the upper end of the support surface, a hanging scaffold is arranged on the drilling tower, a moving crown block is fixedly connected to the lower end of the hanging scaffold, a pluralityof upper pipe sleeves are arranged below the moving crown block, lower pipe sleeves are respectively are welded to the lower ends of the plurality of upper pipe sleeves, fixed clamping pieces are respectively arranged in positions, which are close to the upper ends, of the outer sides of the plurality of upper pipe sleeves and the lower pipe sleeves, and safety clamping pieces are respectively arranged in positions, which are located above the fixed clamping pieces, of the outer sides of the plurality of upper pipe sleeves and the lower pipe sleeves. According to the simultaneous underlying device, a bearing chassis, the fixed clamping pieces, the safety clamping pieces and isolation steel plates are designed, the manufacturing process and the structure are simple, a lifting device on thedrilling tower is adopted, the isolation steel plates are used for reinforcing among the moving crown block, the hanging scaffold and the lower sleeves, the sleeves are sent through the fixed clampingpieces and the safety clamping pieces, the site requirement is met, the purpose that multiple ways of sleeves are arranged in a drilled hole at the same time can be achieved, and the use is convenient and reliable.
Owner:新汶矿业集团地质勘探有限责任公司
Site uranium fast analysis method and special reagent packet for method
ActiveCN102156105BSimple and fast operationOperation time savingColor/spectral properties measurementsAcetic acidMass ratio
Owner:EAST CHINA UNIV OF TECH
Oil-water interface suspension water control emulsion as well as preparation method and application thereof
ActiveCN113336884AEasy to prepareInhibition of breakthroughDrilling compositionEngineeringCross linker
The invention discloses an oil-water interface suspension water control emulsion as well as a preparation method and application thereof. The oil-water interface suspension water control emulsion is prepared from the following raw materials in parts by weight: 0 to 7.5 parts of a vinyl acetate monomer, 17.5 to 25 parts of a styrene monomer, 0.25 to 0.5 part of a cross-linking agent, 0.25 to 0.375 part of an initiator, 0.02 to 0.025 part of a retarder, and 0.075 to 0.375 part of an emulsifier, with the balance being water, and the sum of the weight parts of the components being 100. A plugging agent solution is emulsified into the oil-in-water emulsion to be injected into the stratum, the oil-in-water emulsion is demulsified and then polymerized, and the problems that a water-based plugging agent is easily dissolved in bottom water, and an oil-based plugging agent is easily dissolved in crude oil and cannot form a water plugging partition plate are solved; the emulsion is easy to prepare, and a generated resin partition plate is good in water plugging effect, good in stability and high in construction efficiency; the curing time of the emulsion is adjustable within 3-6 hours, and the emulsion can be conveniently injected into a stratum, so that bottom water inrush is inhibited, and the field requirements are met.
Owner:YANGTZE UNIVERSITY
Wireless-communication-free non-contact method and system for exchanging information with automated guided vehicle
PendingCN113110420ADoes not affect functionMeet site requirementsPosition/course control in two dimensionsVehiclesControl systemControl engineering
The invention provides a wireless communication-free non-contact method and system for exchanging information with an automated guided vehicle. The method comprises the following steps: installing an AGV terminal point on an AGV; arranging one or more system terminal points beside an AGV driving road or track; each system terminal point being connected with the central control system; realizing information exchange between the AGV terminal point and the system terminal point by adopting a visual identification technology. According to the invention, the visual identification technology is adopted to realize information exchange without contact and wireless communication with the AGV, so that the requirements of site or environmental conditions can be met, and the function of the AGV is not influenced.
Owner:SOUTHWEST CHINA RES INST OF ELECTRONICS EQUIP
A robot welding torch stand with auxiliary adjustment device
ActiveCN104227285BStable supportEliminate potential safety hazardsWelding/cutting auxillary devicesAuxillary welding devicesRobot weldingSoldering gun
Owner:ANHUI JEE AUTOMATION EQUIP CO LTD
A gas-liquid coupling power conversion system for gas drilling
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Crude oil water content detection device
InactiveCN107728546AEasy to operateStrong stabilityProgramme controlComputer controlWater contentPetroleum
The invention discloses a crude oil water content detection device and belongs to the field of oil detection equipment. The crude oil water content detection device is characterized by comprising a power module, a control module, a display drive module, a display screen and a button module; the power module is electrically connected with the control module and the display drive module separately;the control module is electrically connected with the display drive module; the display drive module is electrically connected with the display screen; the button module is electrically connected withthe control module. The display screen is mainly composed of an STC89SC52 single chip microcomputer and an OLED display. The single chip microcomputer achieves the display function by controlling anSSD1306 drive module. The single chip microcomputer is convenient to operate and high in stability. The OLED display needs no backlight source and has the advantages of being high in contrast ratio, thin, small in size, wide in view, high in reaction speed, wide in temperature range, quite suitable for field usage, low in cost and convenient to install. The crude oil water content detection devicecan display a water content value in real time, meets field requirements and works stably. The system is simple in structure and broad in application range.
Owner:SHAANXI ALLIANCE LOGISTICS
A method for assembling small-scale drilling equipment for climbing slopes
ActiveCN111140169BWell adapted to site conditionsMeet site requirementsEarth drilling toolsDerricks/mastsVehicle frameEmergency rescue
Owner:DALIAN UNIV OF TECH
Beam-focusing position calibration device for opposite penetrating type laser measuring instrument
PendingCN112904319AAvoid measurement biasHigh precisionWave based measurement systemsPhysicsEngineering
The embodiment of the invention provides a beam-focusing position calibration device for an opposite penetrating type laser measuring instrument, the beam-focusing position calibration device comprises a laser emitting device and a receiving calibration device, the laser emitting device is clamped in a first annular clamping groove through a first annular clamping block, a laser emitting mounting part and a laser emitting connecting part are positioned, the first clamping part and the second clamping part are clamped and fixed in the first clamping groove of the first pipe hoop, so that the laser emission mounting part is fixedly connected with the laser emission connecting part; a second annular clamping block is clamped in a second annular clamping groove, the receiving calibration mounting part and the receiving calibration connecting part are positioned, a third clamping part and a fourth clamping part are clamped and fixed in a second clamping groove of a second pipe hoop, and therefore the receiving calibration mounting part and the receiving calibration connecting part are fixedly connected. Calibration is carried out in a laser calibration mode, the light focusing time is greatly shortened, the light focusing precision is improved, one-time calibration can be achieved, and more convenience and rapidness are achieved.
Owner:HUANENG BEIJING CO GENERATION
Centralized controller applied in monitoring system of reservoir dam body
InactiveCN106354066AVersatileLow costProgramme controlComputer controlLaser transmitterMonitoring system
The invention discloses a centralized controller applied in a monitoring system of a reservoir dam body. The centralized controller comprises a manager shell, a management controller, a laser transmitter and a laser-through-hole switching mechanism, wherein a laser through hole is formed in one side surface of the manager shell; the laser transmitter is arranged at the position in the manager shell, corresponding to the laser through hole; the laser-through-hole switching mechanism is arranged on the inner side wall of the laser through hole of the manager shell; and the manager controller is respectively connected with the laser transmitter and a laser-through-hole baffle mechanism. The centralized controller disclosed by the invention has the advantages that by arrangement of the laser-through-hole switching mechanism, the automatic opening and closing of the laser through hole of the manager shell are realized; a baffle plate in the laser-through-hole switching mechanism is processed and manufactured by adopting polyethylene plates, so that the cost is lower, the effects of being durable and anti-corrosive are achieved, and no deformation is caused; and the manager controller is formed by adopting an ARM 32-bit single-chip microprocessor STM32F107 with rich and powerful functions, so that the site requirements for the whole system are met.
Owner:UNIV OF JINAN
Simultaneous lowering device and lowering method for drilling multiple casings
ActiveCN112282649BSimple preparation processSimple structureDrilling rodsDrilling casingsDesign loadTower
The invention discloses a simultaneous lowering device and lowering method for drilling multi-channel casings, comprising a support surface, the upper end of the support surface is fixed to a drilling tower, the drilling tower is provided with a hanging pan, and the lower end of the hanging pan is A traveling crown is fixedly connected, and a plurality of upper sleeves are arranged under the traveling crown, and lower ends of the plurality of upper sleeves are welded with lower sleeves, and a plurality of upper sleeves and lower pipes Fixing clips are provided on the outer side of the sleeve near the upper end, and safety clips are provided on the outer sides of the plurality of upper and lower sleeves above the fixing clips. In the present invention, the designed load-bearing chassis, fixing clips, safety clips, and isolation steel plates have simple manufacturing process and simple structure, and the hoisting device that comes with the drilling rig is used to move the crane and the hanging pan, and to use it between the lower casings. The method of feeding the casing with isolation steel plate reinforcement, fixing clips and safety clips meets the requirements of the site, and can achieve the purpose of simultaneously placing multiple casings in the drill hole, which is convenient and reliable to use.
Owner:新汶矿业集团地质勘探有限责任公司
A Gas-liquid Coupling Drive System for Gas Drilling
ActiveCN111963644BMeet site requirementsAvoid pressure lossBorehole drivesFluid gearingsHydraulic motorCoupling
Owner:BC P INC CHINA NAT PETROLEUM CORP +1
Wellhead heat insulation and heating equipment for well workover
InactiveCN101260790BImprove construction efficiencyEasy to disassembleInsulationSealing/packingEngineeringCam
The invention relates to a well-repairing well head temperature insulating heater which is a protector for preventing the ground well head from being frozen in the belt pressure well repairing operation in the extremely cold area of China of the petroleum industry oil extraction input well. The device comprises a diesel power generating set, a heating control cabinet, a triple ram temperature insulating heater, a well head four-way temperature insulating heater and an anti-theft valve temperature insulating heater, wherein, the diesel power generating set is connected with the heating controlcabinet through a cable, the heating control cabinet provides the safe voltage for each temperature insulating heater to heat; each temperature insulating heater is detachable and is formed by fixingat least two heating single bodies by fastening bolts, and the heating single bodies are fixed together and can buckle the triple cam or the four-way or the anti-theft valve. The well-repairing well head temperature insulating heater is convenient to assemble and disassemble; when the well-repair operation of the oil extraction input well is stopped at night, the well-repairing well head temperature insulating heater is arranged out of the well head device to heat the well head device which is not be frozen; while in the operation on the next day, the well-repairing well head temperature insulating heater can be disassembled conveniently and construction is normally operated, thereby greatly raising the well-repair construction efficiency.
Owner:DAQING GASOLINEEUM INST
Lip-shaped sealing piece detaching tool
PendingCN108500899AReduce labor intensityEasy maintenance and maintenanceMetal-working hand toolsStop timeEngineering
The invention discloses a lip-shaped sealing piece detaching tool. The lip-shaped sealing piece detaching tool comprises an end cover, the top end of the end cover is provided with a grease injectionvalve, the bottom end of the end cover is provided with a valve cover, the middle of the valve cover is connected with a valve rod in a penetrated and inserted manner, the valve rod is externally provided with a guide sleeve fixedly connected with the valve cover, and the top of the valve cover is provided with an O-shaped circle. By means of the lip-shaped sealing piece detaching tool, a lip-shaped sealing piece can be detached rapidly and safely, in the whole process of detaching the lip-shaped sealing piece, uncontrollability of detaching safety is converted into controllability, the external environment is not influenced, the potential safety hazards are lowered to be minimum, the stop times of a whole conveyer belt are lowered, and valve detaching can be performed normally; and when the lip-shaped sealing piece detaching tool is used, no other assisting tool is needed, the structural design of the lip-shaped sealing piece detaching tool can be used for detaching other types of sealing pieces, and the valve cover cannot be damaged when the lip-shaped sealing piece detaching tool is used.
Owner:SUZHOU UNIQUE FLOW CONTROL TECH CO LTD
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