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37results about How to "Easy to route pipes" patented technology
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Lightweight material combination unit filled prestressed concrete cast-in-situ hollow slab
Disclosed is a prestressed concrete on-site pouring hollow slab filled with light material combined unit, which comprises light material combined unit, upper layer reinforcing steel bar, lower layer reinforcing steel bar, tendon, blind beam reinforcing steel bar and concrete. The light material combined unit consists of light tubes and connection bar, which is arranged between the upper layer reinforcing steel bar and the lower layer reinforcing steel bar, the combined unit tubes is in the same direction with the bigger bending moment within the slab, The blind beam is arranged at intervals of a certain distances, in which the tendon is centralized laid. Said on-site pouring slab has the advantages of both the prestressed structure and the hollow slab structure, has high hollow percentage, implements one time concrete pouring moulding, is suitable not only for one-way slab, but also for two-way slab. The slab has big span, light weight, good heat and sound insulation effects, good reliability, shock resistance and crack resistance.
Owner:徐焱
Front and rear axle same-direction steering method and steering system
ActiveCN111619661AAccurate realization of closed-loop controlEasy to controlSteering linkagesMechanical steering gearsHydraulic cylinderDriver/operator
The invention provides a front and rear axle same-direction steering method of a 4X4 electromechanical liquid all-wheel steering system. The method is characterized in that a first connector oil way and a third connector oil way in a rear axle steering integrated valve set are smooth, a second connector oil way and a fourth connector oil way in the rear axle steering integrated valve set are smooth, a rod cavity of an unlocking oil cylinder is filled with oil, and a mechanical lock is driven to rotate upwards around a rotating shaft to complete unlocking; a controller makes a two-position two-way electromagnetic valve and a valve be powered on; pressure buildup of a rear axle steering hydraulic cylinder is realized; when a driver turns a steering wheel, a steering wheel angle sensor sendsa steering wheel angle signal to the steering controller; a control system calculates target displacement of the rear axle steering hydraulic cylinder, accurately achieves a displacement stroke of therear axle steering hydraulic cylinder by controlling a current of a three-position four-way proportional reversing valve, pushes a left steering rocker arm to rotate through a ball pin, and drives the rear axle steering rod system to achieve the same-direction steering of a rear axle along with a front axle. A brand-new calculation mode of a piston telescopic target displacement value of the rearaxle steering hydraulic cylinder is researched and developed, and the piston telescopic target displacement value of the rear axle steering hydraulic cylinder is accurately calculated.
Owner:CHINA NORTH VEHICLE RES INST
Nepheline preheating, pre-decomposing and dry sintering technology and device for producing alumina clinker
PendingCN107758712AImprove qualityLow costChemical industryAlkali-metal aluminates/aluminium-oxide/aluminium-hydroxide preparationSlurryNepheline
The invention discloses a nepheline preheating, pre-decomposing and dry sintering technology and device for producing an alumina clinker. The technology comprises the following steps: powdering and homogenizing raw materials including nepheline, limestone and white slurry; feeding the homogenized powder into a preheater; preheating through the preheater; decomposing through a decomposing furnace;entering a rotary kiln for roasting for 20-50min at the temperature of 1200-1400 DEG C; and then entering a grate cooler for cooling, thus obtaining the qualified alumina clinker. The device comprisesthe preheaters, the decomposing furnace, the rotary kiln and the grate cooler, wherein the preheater comprises at least three grades of preheaters which sequentially communicate; a smoke channel at the tail of the rotary kiln is provided with a bypass air exhausting device; an alumina clinker outlet is formed in the end part of the grate cooler; the decomposing furnace is subjected to tertiary air one-side feeding. According to the technology, the nepheline is used as the aluminum raw material; the alumina sintering technology is developed from the wet technology to the preheating and decomposing dry technology; massive production is realized; the energy conservation and the consumption reduction are greatly realized; the system operation is simple; the raw material cost and the fuel costare decreased; and the automation degree is high.
Owner:TIANJIN CEMENT IND DESIGN & RES INST
Method for constructing natural gas pipelines in mountain environment
The invention discloses a method for constructing natural gas pipelines in a mountain environment. The method at least includes the following steps that firstly, setting-out of a construction operation zone is conducted, the positions of positioning piles marked in a design drawing are determined by the aid of position finders at first and marked by striking signs so as to designate the construction operation zone, then the positions of the positioning piles are rechecked through the position finders after excavators arrive in place, and the operation zone is marked through ropes; secondly, a trench is dug; thirdly, construction platforms are built; fourthly, the pipelines are arranged, assembled and welded; and fifthly, backfilling and regreening are conducted, pipeline laying is completed, surplus soil is put back and punned, then regreening is conducted, and hydraulic protection measures are built. Due to the structural design, the method has the beneficial effects that construction is convenient, the construction effect is good, and water and soil preservation effects after construction and later-period regreening effects are good.
Owner:SHANGHAI NO 1 GAS PIPELINE ENGINEERING CO LTD
Front axle steering method and steering system
ActiveCN111619663AAccurate realization of closed-loop controlEasy to controlSteering linkagesMechanical steeringSteering wheelSteering angle
The invention provides a front axle steering method of a 4X4 electromechanical liquid all-wheel steering system. The method is characterized in that a driver turns a steering wheel, and a steering angle signal of the steering wheel is sent to a steering controller; and a control system makes a two-position two-way electromagnetic valve be powered off according to a ''front axle steering'' controlstrategy, and meanwhile makes a first connector P and a second connector T in a rear axle steering integrated valve set be unblocked so that an unlocking oil cylinder is unloaded, an unlocking springdrives a mechanical lock to complete locking and be in a locked state, and a rear axle is ensured to be located in the middle and does not participate in steering. The front axle steering method of the 4X4 electromechanical liquid all-wheel steering system has safe and reliable performance, safety and stability of the system are greatly improved, and a system design is stable and reliable.
Owner:CHINA NORTH VEHICLE RES INST
Front and rear axle reverse steering method of 4X4 electromechanical liquid all-wheel steering system
ActiveCN111619662AAccurate realization of closed-loop controlEasy to controlSteering linkagesMechanical steeringHydraulic cylinderDriver/operator
Owner:CHINA NORTH VEHICLE RES INST
Comprehensive pipe gallery
ActiveCN108360562AReduce construction costsIncrease effective volumeArtificial islandsSewerage structuresSewageUtility tunnel
The invention discloses a comprehensive pipe gallery. The comprehensive pipe gallery comprises a plurality of cabin chambers, the multiple cabin chambers are arranged side by side in the width direction of the comprehensive pipe gallery and are internally provided with water collection pits correspondingly, communicating holes are arranged between the adjacent water collection pits of the cabin chambers, and the water collection pits of all the cabin chambers communicate with each other through the corresponding communicating holes. According to the comprehensive pipe gallery, by means of themanners that all the cabin chambers are internally provided with the water collection pits and the water collection pits are made to communicate with each other, a communicating waste water collectionpit is formed among all the water collection pits, unified collection of waste water is facilitated, the effective volume and utilization rate of the water collection pits are increased, unified distribution and control of pollution discharge pumps and detection units are facilitated, pipe distribution of various pipelines is also facilitated, unified management and control are facilitated, the construction cost of the comprehensive pipe gallery is greatly lowered, and the workload of routing inspection staff is reduced at the same time.
Owner:BERIS ENG & RES CORP
Cyclone type magnetic filtering device
PendingCN106977039AEasy to installQuick installationWater/sewage treatment by centrifugal separationTreatment involving filtrationClassical mechanicsOutfall
The invention discloses a cyclone type magnetic filtering device and belongs to the technical field of filtering. The invention aims to provide the cyclone type magnetic filtering device which is convenient for pipe distribution and is conveniently mounted. A water inlet and a water outlet in the filtering device are combined with each other and a rotatable joint capable of rotating for 360 degrees is communicated with external water inlet pipe and water draining pipe. The cyclone type magnetic filtering device comprises a shell and a filtering runner which is arranged in the shell; a water inlet / outlet is formed on the shell; the water inlet / outlet is communicated with the filtering runner; the water inlet / outlet is connected with the rotatable joint capable of realizing water feeding and water draining; the rotatable joint is rotatably connected with the shell through a locking part. The cyclone type magnetic filtering device is suitable for filtering and separation of particles in water.
Owner:德阳市耀群机电配套有限公司
Novel expansion tank
InactiveCN103993949AEasy to pre-arrangeImprove cooling effectMachines/enginesEngine cooling apparatusExpansion tankStopped work
The invention relates to the technical field of diesel locomotives, in particular to a novel expansion tank. The novel expansion tank comprises a U-shaped board, flat boards, a swash plate, a separation board, embedded water pipes and a pressure valve. The U-shaped board is welded to the flat boards to form a tank body. The swash plate, the separation board and the embedded water pipes are installed in the tank body. The pressure valve is connected to the top of the tank body. The U-type board and the three flat boards are welded to form the tank body, so that the embedded water pipes are conveniently arranged in the tank body in advance, space is better used, and pipe distribution is facilitated. The separation board is arranged in the tank body so that a high-temperature water tank body and a low-temperature water tank body can be separated, mix of high-temperature water and low-temperature water can be avoided, and cooling of a low-temperature system of a diesel engine can be facilitated; a balance hole is formed, so that water adding is convenient and the water level is conveniently balanced when the diesel engine stops working; a ventilation hole is formed, so that equal pressure of the high-temperature water tank body and the low-temperature water tank body is achieved and the water level of the high-temperature water tank body and the water level of the low-temperature water tank body are balanced conveniently; requirement can be satisfied through only one pressure valve.
Owner:CRRC QISHUYAN CO LTD
Novel PVC (Polyvinyl Chloride) wire slot
The invention relates to a novel PVC (Polyvinyl Chloride) wire slot. The novel PVC wire slot comprises a slot seat and a slot cover, wherein the slot seat is a section subjected to extrusion molding;a strong current space, a weak current space and an isolation space extending along a length direction of the section are at least formed in the slot seat; and marker lines extending along a length direction of the section are respectively arranged in the strong current space, the weak current space and the isolation space. The wire slot provided with the isolation space is capable of effectivelyisolating electromagnetic interference of strong current on weak current, and mutual crosstalk of household strong and weak current is avoided. Meanwhile, due to the arrangement of the marker lines, disorder in the wire installing process can be avoided, convenience is brought to installers to perform strong and weak current recognition, pipe layout, maintenance and later household wiring upgrade,and the condition that the strong and weak current is difficultly distinguished to cause potential safety hazards is avoided.
Owner:GUANGDONG LIANSU TECH INDAL
Steel tube pressure test sealing apparatus and pressure test apparatus therewith for pressure test on multiple tubes
ActiveCN105424491AEasy to adjustLarge retreatMaterial strength using tensile/compressive forcesEngineeringSelf adaptive
The invention relates to the technical field of test equipment and particularly provides a steel tube pressure test sealing apparatus and a pressure test apparatus therewith for pressure test on multiple tubes. The sealing apparatus includes a first sealing head which includes a sealing base and a sealing ring. The sealing ring is installed in the sealing base. The sealing base is provided with a tube end inserting hole connected to an inner hole in the sealing ring. The sealing base is provided with a path, which is connected to the tube end inserting hole and the inner hole in the sealing ring and is introduced out from the sealing base. The sealing apparatus also includes an adjustment base being connected to the first sealing heat with a piston. The sealing apparatus conveniently adapts pressure test in steel tubes in different lengths, when being used in the pressure test on multiple tubes, at least two sets of the tube end pressure test sealing apparatus are arranged in parallel. The test sealing apparatus is more convenient to adjust the steel tubes in different lengths. The pressure test apparatus is more reasonable and compact in structure, achieves self-adaptive adjustment and is higher in efficiency.
Owner:QINGDAO ZHONGRUITAI MESNAC TECH CO LTD
Slotting device used for water and electricity installation
InactiveCN106239749AEasy to route pipesWorking accessoriesBuilding constructionsMotor shaftElectricity
The invention provides a slotting device used for water and electricity installation. The slotting device comprises a machine shell, a speed adjusting motor is arranged on the tail inside the machine shell, a driven shaft is arranged in the machine shell, a motor shaft of the speed adjusting motor and the driven shaft are each provided with a bevel gear, the two bevel gears are engaged synchronously, the front end of the motor shaft and the front end of the driven shaft are each provided with a tunneling wheel, a tunneling knife is fixed to each tunneling wheel through a fixing screw, and in addition, a positioning plate is mounted on the machine shell. The slotting device has the beneficial effects that the device is used for slotting of a water and electricity installation wall face, time and labor can be saved, a regular square groove can be formed, and pipe arrangement is facilitated.
Owner:长沙凌志装饰有限公司
4X4 electromechanical hydraulic all-wheel steering device
InactiveCN110282009AEasy to switchRealize closed-loop controlSteering linkagesMechanical steering gearsHydraulic cylinderSteering wheel
The invention provides a 4X4 electromechanical hydraulic all-wheel steering system which comprises a steering wheel and steering gear assembly, a front axle steering oil tank assembly, a front axle steering pump, a rear axle steering oil tank assembly, a front axle steering rod system, a rear axle steering hydraulic cylinder assembly, a steering return locking mechanism assembly, a rear axle steering integrated valve set, an all-wheel steering controller assembly, a rear axle steering rod system and a rear axle electric steering pump assembly, wherein the steering wheel and steering gear assembly is connected with the front axle steering rod system. The invention develops a brand-new electromechanical hydraulic steering system, the all-wheel steering system of the structure can conveniently switch among three modes, the advantages of closed-loop control of the steering hydraulic cylinder and steering wheel operation, passive active return of a steering axle and the unlocking and locking control of a rigid locking device are realized, in addition, the 4X4 electromechanical hydraulic all-wheel steering system has independent hydraulic sources of front and rear axles, and the system is safe and reliable.
Owner:CHINA NORTH VEHICLE RES INST
Fireless returning device for adjustable locomotive
ActiveCN104455587AMeets fireless loopback pressure setpoint requirementsEasy to route pipesCheck valvesEngineeringMechanical engineering
The invention discloses a fireless returning device for an adjustable locomotive. The fireless returning device comprises a valve body, a horizontal channel is formed in the valve body, one end of the channel is provided with a joint, and the other end of the channel is provided with a choke plug. A filter element, a pressure regulating valve assembly and a one-way valve assembly are sequentially mounted in the channel in the direction from the joint to the choke plug. The outlet pressure of the fireless returning device can be freely adjusted according to demands, the demands for fireless returning pressure set values of railways in different nations are met, pressure values can be visibly read on the valve body, and convenience and quickness are achieved. The structure is compact, occupied space and the number of middle connecting pieces are reduced, tube layout of the locomotive is facilitated, and the cost is lowered. The fireless returning device is widely applied, and can be applied to other various kinds of air wind equipment in which filtering and decompression are needed by changing the choke plug.
Owner:CRRC ZIYANG CO LTD
Rear axle steering hydraulic cylinder assembly and steering system
ActiveCN111619660AReasonable structure layoutReasonable layoutSteering linkagesMechanical steering gearsHydraulic cylinderSteering wheel
Owner:CHINA NORTH VEHICLE RES INST
Hose microporous aerator for oxygenating and stirring natural water and aquatic breeding water
InactiveCN106587402ASimple structureLow priceWater treatment parameter controlWater aerationEngineeringNatural water
The invention relates to a hose microporous aerator for oxygenating and stirring natural water and aquatic breeding water. The hose microporous aerator is characterized in that the aerator comprises a hose microporous aerator body and counterweights, the counterweights are attached on the hose microporous aerator body, the hose microporous aerator body sinks into the bottom of the water through the counterweights, a plurality of hose microporous aeration units are serially connected to form the hose microporous aerator body, each hose microporous aeration unit is provided with a main air supply hose, a plurality of valve holes are formed in the pipe walls along the length direction of the main air supply hoses, one-way air distribution valves are hermetically mounted on the valve holes, flexible microporous film sleeves sleeve the outer sides of the one-way air distribution valves, a plurality of micro-pores are uniformly formed in the walls of the flexible micro-pore film sleeves, flexible netted sheaths sleeve the outer sides of the flexible microporous film sleeves, the two ends of each flexible microporous film sleeve and two ends of each flexible netted sheath are hermetically mounted on the main air supply hoses respectively through locking sleeves to form microporous aeration heads based on the one-way air distribution valves, and two ends of each main air supply hose are fixedly connected with a pipe end part of a rapid connector. The hose microporous aerator has the advantages of simple structure, high oxygenating efficiency and easiness in disassembly and assembly.
Owner:居文钟
Agricultural irrigation device convenient for pipe distribution
InactiveCN107148897AEasy to route pipesReduce workloadRoot feedersGeneral water supply conservationAgricultural irrigationAgricultural engineering
The invention discloses an agricultural irrigation device convenient for pipe distribution. The agricultural irrigation device comprises a device body, wherein the device body is mainly composed of a water tank, side plates, a drip irrigation ball and buried pipes; the bottom of the interior of the water tank is fixedly connected with an electric lifting device; a chute is formed in the inner wall of the water tank; slide blocks are connected in the chute in a sliding manner, and a slide bar is connected between the slide blocks; the electric lifting device is connected with the slide bar; a water collection plate is hinged on the slide bar; a bottom plate is fixedly connected between the side plates; a double-shaft motor is fixedly connected onto the bottom plate; two ends of the double-shaft motor are connected with a rotating shaft; a moving part is arranged on the rotating shaft in a sleeving manner, sleeves the outer side of a fixing rod and is connected with the fixing rod in a sliding manner; the bottom of the moving part is fixedly connected with a connecting piece; a coiled pipe roller is rotationally connected onto the connecting piece. According to the device disclosed by the invention, the workload of people is reduced, the usage amount of water is also reduced, the condition that a drop irrigation nozzle is blocked is avoided, and due to the device, rainwater can be effectively collected to enter the water tank, and then water resources are saved.
Owner:惠安益源信息技术咨询有限公司
Rear axle turning integrated valve set and turning device
InactiveCN110282008AReasonable structure layoutReasonable layoutSteering linkagesFluid steeringHydraulic cylinderSteering wheel
The invention provides a rear axle turning integrated valve set and a turning device therefore. The rear axle turning integrated valve set is characterized in that a valve body is of a cubic structure and comprises six surfaces; two balancing valves, four two-position two-way solenoid valves and two-position three-way solenoid valves and a one-way valve are positioned on the first surface; four ports, namely, a third port, a fourth port, a fifth port and a sixth port, are positioned on the second surface which is vertically connected to the first surface; a first port and a second port are formed in a third surface which is connected to the first surface and the second surface; the fourth surface and the third surface are opposite to each other; and a three-position four-way proportional reversing valve is positioned in the middle of the fourth surface. According to the rear axle turning integrated valve set adopting the abovementioned structure arrangement, the structure arrangement is reasonable; processing is easily carried out; a small space is occupied; an oil channel is reasonable; the pressure loss is small; pipes are conveniently arranged; each control valve is convenient to adjust and operate; the three-position four-way proportional valve is additionally mounted, so that the opening degree of a valve element can be accurately controlled, and as a result, a rear axle turning hydraulic cylinder can be accurately controlled to telescope as a target displaces, and the closed-loop control in operation of the turning hydraulic cylinder and a steering plate operation is achieved.
Owner:CHINA NORTH VEHICLE RES INST
Double-terminal air source heat pump system with phase change heat storage material floor heating module
ActiveCN105910200BReduce energy lossLower condensation temperatureCentral heating with accumulated heatLighting and heating apparatusThermal comfortEngineering
The invention discloses a double-end air source heat pump system with a floor heating module made of a phase change heat storage material, comprising air conditioning equipment and a floor radiant heating end device. The floor radiant heating end device comprises a moisture-proof layer, a heat insulation material layer, a floor heating module, and an aluminum foil layer. The slots of support templates are filled with a phase change heat storage material. The upper surface of the phase change heat storage material and the aluminum foil layer are each provided with a downward arc sag at a groove, a heat supply branch pipe is laid in each arc sag, and the two ends of each branch heat supply pipe are respectively connected with a main heat supply pipe and a main heat recovery pipe through a distributor. The air conditioning equipment and the floor radiant heating end device are connected by a branch pipe. Adjusting control valves are arranged between connecting pipelines of the devices, and the connecting pipelines are filled with refrigerant. The energy efficiency ratio of air source heat pumps is improved. The problem of defrosting is solved while indoor thermal comfort is satisfied. Modular production and on-site splicing installation are achieved, and the construction difficulty is lowered.
Owner:TIANJIN UNIV
Integrated water treatment system for multi-dimensional spraying haze removal equipment
InactiveCN110627238AEasy to take outEasy to route pipesSpecific water treatment objectivesTreatment involving filtrationWater treatment systemMulti dimensional
The invention discloses an integrated water treatment system for multi-dimensional spraying haze removal equipment. The integrated water treatment system comprises a waterway system and a support assembly, wherein the waterway system is arranged on the support assembly and used for purifying and pressurizing water entering a main cabinet body, and the support assembly is detachably connected withthe bottom of the main cabinet body. According to the invention, the waterway system and the support assembly are arranged; the waterway system is arranged on the support assembly and used for purifying and pressurizing water entering the main cabinet body; the support assembly is detachably connected with the bottom of the main cabinet body and can be conveniently taken out of the main machine cabinet body for relevant pipe distribution, debugging and maintenance; meanwhile, relevant pipeline connectors and mechanical installation connectors are arranged, so the integrated water treatment system can be rapidly connected with the multi-dimensional spraying haze removal equipment device; and thus, production efficiency can be improved, and large-scale mass production and later maintenance of the system are facilitated.
Owner:成都航天中兴机械有限责任公司
Heat exchanger
InactiveCN1384328AEasy to route pipesReduced Insulated ContainerSolidificationLiquefactionEngineeringMicro heat exchanger
Heat exchanger has heat exchanger blocks (1) which are mounted on pivots (5, 7, 10) in insulating casings. This allows them to move in at least two directions within the casings.
Owner:LINDE AG
Waste heat recycling device for room
PendingCN111256351AReach the purpose of recyclingAvoid wastingEnergy recovery in ventilation and heatingMechanical apparatusWater flowProcess engineering
The invention provides a waste heat recycling device for a room. The waste heat recycling device for the room comprises a heat pipe heat exchanger, a containing box, a heat recovery assembly and a heat utilization assembly; the heat pipe heat exchanger comprises an evaporation section for absorbing indoor heat and a condensation section for releasing heat, the containing box covers the out part ofthe condensation section, the heat recovery assembly is in communication with the containing box to take away the heat generated by the condensation section, the heat recovery assembly comprises a water pump and a first heat exchanger, wherein the first heat exchanger is in communication with the water pump, the water pump is in communication with the containing box through a water pipe so that water flow can flow through the condensation section and take away the heat, and the first heat exchanger is in communication with the containing box so that the heat can be transmitted to the first heat exchanger, the heat utilization assembly exchanges heat with the heat recovery assembly so as to utilize the heat brought by the heat recovery assembly. Compared with the mode that a draught fan isused for directly discharging the heat to the outside, the waste heat recycling device reduces energy consumption, recycles the heat and avoids energy waste, the water flow exchanges the heat with the heat pipe exchanger, the pipeline size is small, and pipe distribution is convenient; the heat exchange coefficient of the water flow is far larger than that of air, and the heat exchange efficiencyis improved.
Owner:CHINA RAILWAY SIYUAN SURVEY & DESIGN GRP
A 4x4 electromechanical hydraulic all-wheel steering device
InactiveCN110282009BEasy to switchRealize closed-loop controlSteering linkagesMechanical steering gearsHydraulic cylinderSteering wheel
Owner:CHINA NORTH VEHICLE RES INST
Pipeline system for vehicle battery cabin fire fighting device
The invention relates to a pipeline system for a vehicle battery cabin fire fighting device, wherein the pipeline system comprises pipelines, a three-way connecting piece, nozzles, nozzle brackets andadapters; the three-way connecting piece is fixed on a vehicle body and connected with a vehicle skeleton; the pipelines comprise a pipeline A, a pipeline B and a pipeline C; three connecting ports of the three-way connecting piece are connected with the pipeline A, the pipeline B and the pipeline C respectively; the other end of the pipeline A is connected with a fire fighting device; the pipeline B and the pipeline C are connected with two adapters respectively; the two nozzles are connected on the adapters; connection parts of the adapters with the nozzles are provided with the nozzle brackets for fixing the nozzles on the vehicle skeleton; the adapters are connected with the nozzles in a threaded manner and are used for fastening the nozzle brackets. The pipeline system has the beneficial effects of convenient pipe layout, pressure and temperature resistance, safety and reliability, and good effect.
Owner:SICHUAN HUACHUAN IND
Electromagnetic valve and one-to-eight integrated electromagnetic valve device
InactiveCN114484048AEasy to route pipesRealize 1 to N wayOperating means/releasing devices for valvesEngineeringControl circuit
The electromagnetic valve comprises an electromagnetic valve body, and the electromagnetic valve body comprises a first sealing gasket, a locking nut, a pressing plate, a coil, a constant-temperature plate, a second sealing gasket, a water and electricity isolation cover, two second quick-plug connectors and a valve body; according to the one-to-eight electromagnetic valve device, one water path is divided into eight paths, connectors at the two ends are quick-connection plugs, pipe distribution is convenient, and remote switching value signals can be received to control on-off of the electromagnetic valve; the tail end of the main water pipe is provided with a serial interface, a plurality of devices can be connected in series, one-to-N paths are realized, and each path can be independently controlled by a switching value signal; a circuit part and a waterway part are safely isolated, the automatic water replenishing device can be used for automatically replenishing water to an anti-explosion water tank or an anti-explosion water bag which is installed on a top layer of a coal mine entering roadway in a large-area array mode, and the automatic water replenishing device is installed on site in a centralized mode, is convenient to construct, saves cost and has controllability and expansibility.
Owner:徐州中矿云火信息技术有限公司
Adjustable fireless return device for locomotive
ActiveCN104455587BMeets fireless loopback pressure setpoint requirementsEasy to route pipesCheck valvesMechanical engineeringLoopback
The invention discloses a fireless returning device for an adjustable locomotive. The fireless returning device comprises a valve body, a horizontal channel is formed in the valve body, one end of the channel is provided with a joint, and the other end of the channel is provided with a choke plug. A filter element, a pressure regulating valve assembly and a one-way valve assembly are sequentially mounted in the channel in the direction from the joint to the choke plug. The outlet pressure of the fireless returning device can be freely adjusted according to demands, the demands for fireless returning pressure set values of railways in different nations are met, pressure values can be visibly read on the valve body, and convenience and quickness are achieved. The structure is compact, occupied space and the number of middle connecting pieces are reduced, tube layout of the locomotive is facilitated, and the cost is lowered. The fireless returning device is widely applied, and can be applied to other various kinds of air wind equipment in which filtering and decompression are needed by changing the choke plug.
Owner:CRRC ZIYANG CO LTD
A steel pipe pressure test sealing device and a pressure test device using the same for multi-pipe pressure test
ActiveCN105424491BPositioning reference stabilityEasy to route pipesMaterial strength using tensile/compressive forcesEngineeringSelf adaptive
Owner:QINGDAO ZHONGRUITAI MESNAC TECH CO LTD
Turning returning locking mechanism assembly and turning system thereof
InactiveCN110282010AImprove reliabilityAccurate realization of closed-loop controlSteering linkagesFluid steeringHydraulic cylinderLocking mechanism
The invention provides a turning returning locking mechanism assembly. The turning returning locking mechanism assembly comprises an unlocking oil cylinder, an unlocking spring, a returning spring, a mechanical lock assembly, a rotating hinge pin, a returning cylinder, a telescoping cylinder, a telescoping shaft, a left supporting seat fixing nut, a left spring supporting seat assembly, a right spring supporting seat assembly, an inter-cylinder check ring, a hinge pin, an unlocking spring supporting seat, an upper unlocking cylinder support, a lower unlocking cylinder support, a ball stud, a locking sensor and an unlocking sensor. According to the turning returning locking mechanism assembly, a brand new turning returning locking mechanism assembly is developed and can be telescoped by following a rear axle turning hydraulic cylinder while a rear axle normally turns; in case that the rear axle is not returned, the mechanical holding and rigid locking of a rear axle turning rod system in an intermediate position can be kept; in case of electrical or hydraulic fault of a whole-wheel turning system, passive active returning is performed and rigid locking is realized, so that the reliability of the whole whole-wheel turning device set is greatly improved.
Owner:CHINA NORTH VEHICLE RES INST
A steering return locking mechanism assembly and its steering system
InactiveCN110282010BImprove reliabilityAccurate realization of closed-loop controlSteering linkagesFluid steeringHydraulic cylinderStructural engineering
The invention provides a steering return locking mechanism assembly, which includes an unlocking oil cylinder, an unlocking spring, a return spring, a mechanical lock assembly, a rotating pin, a return cylinder, a telescopic cylinder, Telescopic shaft, left support fixing nut, left spring support assembly, right spring support assembly, retaining ring between cylinders, pin shaft, unlocking spring support, unlocking cylinder upper bracket, unlocking cylinder lower bracket, ball pin , lock sensor, unlock sensor. The present invention has developed a brand-new steering return locking mechanism assembly, which can complete the follow-up expansion and contraction with the rear axle steering hydraulic cylinder when the rear axle is turning normally; when the rear axle is not turning, it can keep the steering rod of the rear axle in the middle The position is mechanically maintained and rigidly locked; when the all-wheel steering system has an electrical or hydraulic failure, it can realize passive active return and complete rigid lock, which greatly improves the reliability of the whole set of all-wheel steering device.
Owner:CHINA NORTH VEHICLE RES INST
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