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36results about How to "Guaranteed self-balancing" patented technology
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Adiabatic-isothermal shift technique for high-concentration CO raw gas
The invention provides a novel CO sulfur-tolerant shift technique which at least comprises a CO sulfur-tolerant shift production procedure composed of an adiabatic shift section and an isothermal shift section. Compared with the traditional adiabatic shift technique, the technique can simplify the shift process, reduce the equipment investment, lower the system resistance and reduce the one-time use amount of the catalyst. Compared with the direct isothermal shift technique, the isothermal reactor is arranged after the adiabatic reactor, the reaction heat generated by the primary adiabatic shift can ensure the inlet temperature of the isothermal shift reactor and avoid the problem of difficulty in self balancing of heat quantity in the direct isothermal shift technique, and thus, the technique can reasonably utilize the energy, avoid the problem of blockage since dust and other impurities in the raw gas enter the isothermal reactor, and ensure the long-period stable operation of the complete device.
Owner:青岛联信催化材料有限公司
Dual-fuel steam injection direct-inverse gas turbine combined cycle
ActiveCN104533621ACombined Cycle Efficiency ImprovementEmission reductionTurbine/propulsion engine coolingGas turbine plantsSystem integrationBrayton cycle
The invention relates to a clean fuel and biomass fuel dual-fuel steam injection direct-inverse gas turbine combined cycle. A backheating type steam injection-inverse gas turbine combined cycle form is adopted for a gas turbine, and clean fuel is adopted for the gas turbine; flue gas produced when biomass fuel burns in a boiler indirectly heats the air entering a combustion chamber of the gas turbine first and then preheats the air entering the boiler, wherein the steam cyclically produced by the gas turbine can be used for supplying heat to the outside. According to the dual-fuel steam injection direct-inverse gas turbine combined cycle, the gradient utilization principle of energy is utilized, an external combustion method and the advanced steam injection direct-inverse Brayton cycle are organically combined through system integration, the energy utilization efficiency of the biomass fuel can be substantially improved, the proportion of the biomass fuel to the clean fuel is adjustable, and self-balance of water consumption and water recovery for steam injection can be achieved.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Cleaning robot
PendingCN108523778AGuaranteed uptimeClean thoroughly and efficientlyCarpet cleanersFloor cleanersCrankshaftFuselage
The invention provides a cleaning robot. The cleaning robot comprises a body, a traveling assembly, a sweeping assembly and a self-balancing opposite wiping cleaning cloth device, wherein the self-balancing opposite wiping cleaning cloth device comprises a first sliding cleaning cloth assembly, a second sliding cleaning cloth assembly, a cleaning cloth driving device, a crankshaft, a first connecting rod and a second connecting rod, wherein the cleaning cloth driving device is in transmission connection with the crankshaft; the crankshaft, the first connecting rod and the first sliding cleaning cloth assembly is successively rotatably connected to form a first crankshaft and connecting rod mechanism; the crankshaft, the second connecting rod and the second sliding cleaning cloth assembly are successively rotatably connected to form a second crankshaft and connecting rod mechanism; and thus, during rotation of the crankshaft, the first sliding cleaning cloth assembly and the second sliding cleaning cloth assembly are driven to slide back and forth in the opposite direction, and self-balancing of the crankshaft is maintained. Compared with the prior art, the cleaning robot has the advantages that the body runs stably, vibration and abrasion are relieved, and user experiences are improved.
Owner:SHANXI JIASHIDA ROBOT TECH CO LTD
Elevator self-balancing car device
The invention discloses an elevator self-balancing car device. The elevator self-balancing car device comprises an elevator car, a balance cavity is installed at the bottom of the elevator car, sliding rails are inlaid in the two ends of the interior of the balance cavity, the balance cavity is internally connected with a connecting baffle plate, the two sides of the connecting baffle plate are connected with electric air cylinders, one ends of the electric air cylinders are fixedly connected with balancing weights, moreover, the balancing weights are in sliding connection with the sliding rails, first switch buttons are installed on one sides of the exteriors of the balancing weights, sliding blocks are in sliding connection with the two sides of the bottoms of the sliding rails, and gravity balls are fixedly connected to the bottoms of the sliding blocks. According to the elevator self-balancing car device, the electric air cylinders and the balancing weights are arranged, so that self-balancing of the elevator car is effectively kept, and the use by people is facilitated; gravity sensors are arranged, so that the first switch buttons are effectively turned off, the automation degree of the internal structure of the balance cavity is improved; and an oxygen tank and a spray head are arranged, so that oxygen is effectively supplied to people in the elevator car when the elevator car breaks down, so that the elevator self-balancing car device is suitable for being widely popularized and used.
Owner:TIANJIN XINBAOLONG ELEVATOR GRP
Open forward and inverse cycle coupling triple supply system of electricity, heat and cold based on combustion gas turbine
ActiveCN102606237BImprove energy efficiencyEnsure balanceSteam useEnergy industryCombustion chamberGas compressor
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +1
Self-balancing alarm type airflow heat dissipation type LED device based on remote monitoring
InactiveCN108916669AEasy to useFirmly connectedLighting heating/cooling arrangementsGas-tight/water-tight arrangementsEngineeringElectric control
The invention relates to the field of LED lamps, in particular to a self-balancing alarm type airflow heat dissipation type LED device based on remote monitoring. A telescopic electric frame is arranged at the bottom of a main ventilating duct and the bottom of a refrigerating fan, the electric frame is provided with a wireless signal transmission device, and the wireless signal transmission device is controlled by the far end to stretch and contract, so that the overall equipment is ensured to achieve self-balancing, and the use is guaranteed. A water cooling system is arranged between auxiliary ventilation pipes, the water cooling system is a coil type pipeline, and self-circulation cold water is arranged in the pipeline, so that self-circulation of the LED device is achieved, and use isguaranteed. The surface of the main ventilating duct is provided with an electric control level meter, the electric control level meter is electrically connected with an alarm, and the alarm is provided with a wireless signal transmission device and is in telecommunication connection with the far-end controller, so that self-balancing detection is achieved, alarms are given when the inclination occurs, and safety is guaranteed.
Owner:WUHU CHUNYUAN PHOTOELECTRIC EQUIP TECH CO LTD
Tool and method for testing bending mechanical property of honeycomb sandwich structure
ActiveCN112033796AGuaranteed stabilityPrecise positioningMaterial strength using tensile/compressive forcesTest efficiencyHoneycomb
The invention discloses a tool and method for testing the bending mechanical property of a honeycomb sandwich structure. The tool comprises a tool base, a clamping device, a tool support and a displacement sensor. The tool base is mounted on a cross beam of a testing machine; the clamping device is installed in the middle of the tool base and clamps the displacement sensor; the tool support is arranged at the two sides of the clamping device; a connecting plate is arranged on the tool support, a flexible supporting plate is arranged on the connecting plate, and a balance supporting block is rotationally connected to the top end of the flexible supporting plate. When the tool is used, the span is accurately controlled by adjusting the relative position of the tool support on the base; by adjusting the relative position of the displacement sensor clamping device on the tool base, transverse and longitudinal accurate centering of the displacement sensor and the sample is achieved, the accuracy of a mechanical property test result is guaranteed, the displacement sensor can be rapidly disassembled in the test, the risk that the displacement sensor is damaged is avoided, and the test efficiency is improved.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP
Self-balanced robot
The invention discloses a self-balanced robot, comprising a control module, a self-balanced mechanism, a walking mechanism, a tracker and an outside terminal; the self-balanced mechanism and the walking mechanism are in communication connection with the control module; the tracker and the control module are in communication connection for tracking and positioning the outside terminal; and the distance between the tracker and the outside terminal is kept to be smaller than a preset value by the control of the control module on the walking mechanism. The self-balanced robot disclosed by the invention can automatically follow a user to walk and has the characteristics of flexibility, stability and convenience in use.
Owner:JINGAN DISTRICT JUVENILE ACTIVITY CENT
Filter device for sewage treatment
InactiveCN101574596AExtended service lifeImprove filtering effectWater/sewage treatmentStationary filtering element filtersFiltrationEngineering
The invention relates to a filter device for sewage treatment, comprising a filter core. The upper end and the lower end of the hollow filter core formed by stacking filter plates are respectively connected with an open head and a closed head, the inner surface and the outer surface of the filter core are respectively provided with circular grooves at a certain intervals along the axis direction, and an inflatable airbag is mounted in the hollow cavity. The invention has the advantages of simple structure, good filtration effect, reliable performance, and the like, is convenient for backwash, realizes pressure equalization and filter gap balance in the backwash process and prolongs the service life of the filter core.
Owner:大连金洋环境工程有限公司
Liquid medicine conveying system
InactiveCN109809121AAchieve self-balancingGuaranteed self-balancingConveyorsSupporting framesEngineeringMechanical engineering
The invention provides a liquid medicine conveying system. The system comprises a conveying device and at least one liquid storing device, wherein the conveying device comprises a track which forms asliding channel; two sides of the sliding channels are correspondingly concaved to correspondingly form chutes; the liquid storing device comprises a self-balancing mechanism, a liquid storing part and two sliding blocks; the two sliding blocks are correspondingly fixed to the outer walls of two sides of the self-balancing mechanism and are correspondingly inserted into the chutes; and the liquidstoring part can be glidingly fixed into the sliding channels by reciprocating in the extending direction of the track through the self-balancing mechanism. According to the liquid medicine conveyingsystem, the conveying device and the liquid storing device are ingeniously combined, and the problem that conveyor belts are to be kept in the same height all the time during liquid medicine conveyingcan be solved; the conveyor belts for conveying liquid medicine can adjust the height as requirement during conveying, and thus the liquid medicine conveying efficiency is extremely improved.
Owner:SHANGHAI DIANJI UNIV
Intelligent gyro bicycle
InactiveCN109677538AGood self-balancingGuaranteed self-balancingMotorcyclesDrive shaftBody positions
The invention discloses an intelligent gyro bicycle which comprises a wheel axle, wherein a hub and an end cover are arranged on the wheel axle; a gyro disc is arranged between the hub and the end cover; the axis of the gyro disc is coaxial to the wheel axle; a motor is fixedly connected onto the wheel axle; the output shaft of the motor is perpendicular to the wheel axle; a driving wheel is arranged at the end of the output shaft of the motor; the side face of the driving wheel is tightly attached to the surface of the gyro disc; the hub comprises a transmission shaft and a hub body; two bearing housings are arranged between the hub body and the transmission shaft opposite to each other; roller bearing components and sealing elements are arranged in the two bearing housings; an annular lubricating medium circulation clearance is formed between the hub body and the transmission shaft; the lubricating medium circulation clearance is communicated with the two bearing housings; a spacer bush is arranged between the bearing components in the two bearing housings; spiral ribs are arranged on the spacer bush; a first spiral groove is formed in the hub body positioned in the lubricating medium circulation clearance; and the spiral ribs and the first spiral groove are separated and have the same rotating direction.
Owner:天津市喜来福科技有限公司
Straight module driven wire arrangement device with radial balance mechanism
InactiveCN108313841AAchieve ultra-high precision reciprocating motionSimple structureWorking accessoriesReciprocating motionEngineering
A straight module driven wire arrangement device with a radial balance mechanism comprises a straight module assembly and the radial balance mechanism. The radial balance mechanism comprises a guide wheel assembly, a fixing plate, a connecting base, a balance plate, a balance sheet, a supporting plate, a shaft base, a bearing and a shaft, wherein the guide wheel assembly is installed on the fixingplate; the balance sheet is fixed to the balance plate; the fixing plate, the balance plate and the supporting plate are connected; the supporting plate is fixed to the shaft end of the shaft; the shaft is connected with the shaft base through the bearing; the shaft base is connected with the connecting base; and the radial balance mechanism is fixed to the straight module assembly through the connecting base. Ultra-high precision reciprocating motion of the wire arrangement device can be achieved through combination of the straight module assembly and the radial balance mechanism, self-balance within a certain angle can be ensured through guide wheels, accurate alignment of a take-up reel is achieved in a self-adjusting mode during taking-up and paying-off of wires, and the wire arrangement device is simple in structure and can achieve ultra-high precision reciprocating motion.
Owner:HUNAN YUJING MACHINE
Self-balancing outer frame with annular space lattice structure
The invention belongs to the technical field of building operations, and particularly relates to a self-balancing outer frame with an annular space lattice structure. The self-balancing outer frame is composed of an annular base frame, a middle frame extending upwards slantwise and a vertically-arranged annular upper frame from bottom to top, wherein an annular area surrounded by the upper frame is smaller than the annular area surrounded by the base frame, and the central axes of the base frame, the middle frame and the upper frame are mutually overlapped. The annular area surrounded by the upper frame is smaller than the annular area surrounded by the base frame, so when the upper frame is used for lifting a weight object during construction, the gravity center of annular space lattices including the weight object is always inside the annular area surrounded by the base frame, thus the stability and safety of the overall annular space lattices are guaranteed. The self-balancing outer frame with the annular space lattice structure has relatively-high stability and safety, the technical problem of horizontal transportation and vertical transportation of a lifting component in construction is also solved, and the convenience and rapidity in installation and construction are guaranteed.
Owner:ANHUI INST OF BUILDING RES & DESIGN
Novel self-balancing multi-stage energy-consuming anti-buckling support and manufacturing process
PendingCN110593630ANo bucklingNon-happen breakBridge structural detailsProtective buildings/sheltersEnergy consumptionStiffness degradation
The invention provides a novel self-balancing multi-stage energy-consuming anti-buckling support. The novel self-balancing multi-stage energy-consuming anti-buckling support comprises a core material,a casing pipe, first stiffening plate components, second stiffening plate components, first anti-buckling plates, second anti-buckling plates, connecting pieces, connecting plates and cover plates, wherein the core material comprises non-yielding sections, third yielding sections, second yielding sections and a first yielding section; the first yielding section is located in the middle of the core material; the second yielding sections, the third yielding sections and the non-yielding sections are respectively arranged at the two sides of the first yielding section; the first stiffening platecomponents, the second stiffening plate components, the first anti-buckling plates and the second anti-buckling plates are connected to the interior of the casing pipe, and then are arranged throughthe connecting pieces and the connecting plates to form a restraint device of the core material; the core material is located inside the restraint device; and the cover plates are located at the two ends of the casing pipe and are connected to the casing pipe. The invention also provides a manufacturing process of the novel self-balancing multi-stage energy-consuming anti-buckling support. The novel self-balancing multi-stage energy-consuming anti-buckling support has the advantages of uniform energy consumption, good ductility, excellent energy consumption, multi-stage energy consumption, andrelatively slow stiffness degradation after buckling.
Owner:SUZHOU UNIV OF SCI & TECH
Measurement device for average corrosion depth in X-ray stress testing
ActiveCN105783669ASolving Quantitative Measurement ProblemsGuaranteed test accuracyMechanical depth measurementsMeasurement deviceX-ray
The invention provides a measurement device for average corrosion depth in X-ray stress testing.The measurement device comprises a support, a supporting rod and a dial gauge.The support is a U-type hollow bent part with a downward opening, the supporting rod is a hollow straight rod, the upper end and the lower end of the supporting rod are connected with the center of the top of the support and the center of the bottom of the dial gauge, a balance plate is horizontally arranged inside a cavity in the top of the support, the center of the balance plate is connected with the support through a pin shaft, a rotating spring is arranged on the balance plate, three sleeves are evenly arranged on the bottom surface of the support at intervals, the center of the top face of the balance plate is connected with the bottom end of a main spring, the top end of the main spring is connected with the dial gauge, the bottom face of the balance plate is spaced evenly and connected with the top ends of three auxiliary springs, spheres are arranged at the bottom ends of the auxiliary springs which are sleeved with sheaths, the bottom ends of the sheaths are fixedly connected with the spheres, the three auxiliary springs and the three sleeves are arranged correspondingly, and the sheaths are inserted into the sleeves and can slide along the sleeves.On the premise of guaranteeing testing precision, the average depth of a corrosion pit is tested in a one-off mode, and working efficiency and accuracy are substantially improved.
Owner:武汉钢铁有限公司
Self-balancing container
PendingCN113511430AGuaranteed self-balancingEnhanced magnetic forceLarge containersEmergency brakePhysics
The invention belongs to the field of containers, and particularly relates to a self-balancing container which comprises an outer container body and a brake mechanism. The outer container body comprises an inner container body, and the brake mechanism comprises top seats, steel cables, bottom seats, a buffer, buffer balls, a piezoelectric ceramic element, a wire set, fine sand, bar permanent magnets, steel bars and a sliding rail. In the sliding process of the buffer balls, a pressure change is formed on the piezoelectric ceramic element fixedly installed on the top face of an inner cavity of the inner container body, and then induced current is generated; the piezoelectric ceramic element is fixedly connected with the wire set, so that the induced current generated by the piezoelectric ceramic element enters the wire set, and then the wire set generates a magnetic field; in the emergency braking process of the outer container body, the fine sand and the buffer balls have an inertia difference due to the mass difference of the fine sand and the buffer balls; and when the buffer balls are concentrated at one end of the top face of the inner container body, one end of the inner container body moves downwards, then the fine sand is supplemented to the bottom face of the downward moving end of the inner container body due to inertia, and thus the effect of keeping a self-balancing state in the inner container body is achieved.
Owner:赵平
Balance cabin for ferris wheel
PendingCN112933612ASimple maintenance and replacementLow costRussian swingsGreat wheelsGear trainSlewing bearing
The invention relates to a balance cabin for a ferris wheel, which comprises a rotating cabin body, at least one inner ring is put on the rotating cabin body in a sleeving manner, and an outer ring fixedly connected with a turntable of the ferris wheel is sleeved on the inner ring in a sleeving manner; a walking track is arranged on the outer ring or the inner ring, and a plurality of wheel train assemblies in rolling contact with the walking track are arranged on the inner ring or the outer ring in a surrounding mode so that the inner ring of the rotating cabin can rotate relative to the outer ring. The effect of the balance cabin is achieved by adopting the design of a pod; a gear train assembly is adopted to replace a slewing bearing, so that the equipment cost is effectively reduced, and the gear train assembly is easier to maintain and replace; a wheel train assembly is provided with a power system, unbalance loading of the rotating cabin body or adverse conditions caused by other working conditions are prevented, and self-balance of the rotating cabin body can be effectively guaranteed; and the outer ring is fixedly connected with the turntable of the ferris wheel through the flange, so that a cabin hanging structure is omitted, and the equipment cost is effectively reduced.
Owner:中山市金马文旅科技有限公司
Main truss surface installation and construction method
ActiveCN108824196BReduce mistakesReduce front end displacementBridge erection/assemblyArchitectural engineeringStringer
The invention provides a main truss curved surface installation construction method, and belongs to the field of bridge construction. The main truss curved surface installation construction method includes the following steps that when rebar of a previous poured box arch section is constructed, machined pre-buried structures are arranged on the rebar on an end socket of in the previous poured boxarch section; box arch concrete is poured, an anchor lead screw hole is reserved, and an anchor lead screw is placed in the reserved anchor lead screw hole in a sleeved mode; a main beam is hoisted tothe bottom of the previous poured box arch section to be temporarily fixed, one ends of two front row slings at the two outer side ends of the section are fixed to the pre-buried structures on both sides of the previous poured box arch section, and the other ends of the two front row slings hoist two longitudinal beams at the outer side to mount and fix; a cross bar is used for being pre-fixed atthe other ends of the two longitudinal beams at the outer side, and longitudinal beams at middle are symmetrically and sequentially installed; secondary beams are installed across the longitudinal beams; and rear row slings are installed, and bottom formworks are placed on the secondary beams to form a main arch ring linear shape. The main truss curved surface installation construction method islow in construction difficulty coefficient, adopts a method of replacing curves by curves, and reduces the error of the arch ring arc-shaped linear shape.
Owner:GUIZHOU ROAD & BRIDGE GRP
Wide-load regulation limestone slurry supply system and control method
PendingCN112973429AIncrease usageGuaranteed self-balancingGas treatmentDispersed particle separationProcess engineeringWater regulation
The invention relates to the technical field of desulfurization, in particular to a wide-load regulation limestone slurry supply system and a control method. The wide-load regulation limestone slurry supply system comprises a limestone slurry box, a filtrate water supply mechanism and a variable-frequency limestone slurry pump; and the limestone slurry box and the filtrate water supply mechanism separately communicate with an inlet of the variable-frequency limestone slurry pump in parallel, and an outlet of the variable-frequency limestone slurry pump communicates with an absorption tower. The variable-frequency limestone slurry pump does not need to continuously operate at high frequency, so that the service life of the variable-frequency limestone slurry pump is prolonged, and the equipment cost of a desulfurization system is reduced; and the water balance of the desulfurization system is adjusted by using filtrate water, so that the utilization rate of the filtrate water is improved, meanwhile, the self-balance of the desulfurization system is ensured, and the problem that an existing limestone slurry supply system cannot meet the production requirement under the wide-load working condition is solved.
Owner:DATANG ENVIRONMENT IND GRP
Ultra-light Hanging Basket Main Truss
ActiveCN108824195BGuaranteed self-balancingReduced stabilityBridge erection/assemblyGravity centerHanging basket
Owner:GUIZHOU ROAD & BRIDGE GRP
A self-balancing pay-off block and traction plate for tension stringing
ActiveCN105576552BMaintain balanceGuaranteed self-balancingApparatus for overhead lines/cablesEngineeringTraveling block
The invention relates to power transmission and transformation wire construction equipment and specifically relates to a tension stringing self-balancing wire paying-out tackle and a towing plate. The tension stringing self-balancing wire paying-out tackle comprises a dual-yoke plate, parallel hanging plates and a wire paying-out tackle for an odd number of conductive wires. The two ends of the lower portion of the dual-yoke plate are both connected to the wire paying-out tackle for the odd number of conductive wires through the parallel hanging plate. The wire paying-out tackle for the odd number of conductive wires comprises eccentric yoke plates, bilaterally-door opening mechanisms, pulleys and rack bodies. The upper portions of the eccentric yoke plates are connected with the parallel hanging plates. One end of the lower portion of each eccentric yoke plate is connected to a corresponding rack body, and the other end of the lower portion of each eccentric yoke plate is connected to the rack body via a corresponding bilaterally-door opening mechanism. An odd number of pulleys are arranged in the rack bodies. A hauling rope passes through the pulley in the middle position in each wire paying-out tackle for the odd number of conductive wires. One end of each hauling rope is connected to a traction machine, and the other end of the hauling rope is connected to one end of a corresponding eccentric yoke plate. The other end of each eccentric yoke plate is connected to conductive wires. The conductive wires pass through the pulleys positioned on the two sides of the middle pulleys. In a whole wire paying-out process of the tension stringing self-balancing wire paying-out tackle of the invention, phenomena of turnover, offset and imbalance will not occur, and conductive wire paying-out is balanced and smooth.
Owner:LIAONING POWER TRANSMISSION & TRANSFORMATION PROJECT +4
Secondary lifting device for powder concentrator
InactiveCN102950110AImprove powder selection efficiencyGuaranteed self-balancingGas current separationStructural engineeringAnnular duct
The invention discloses a secondary lifting device for a powder concentrator. The secondary lifting device consists of a booster fan air inlet pipe, a booster fan, a booster fan air outlet pipe, a connecting air pipe and annular air pipes, wherein the booster fan is positioned outside the powder concentrator; the booster fan air inlet pipe and the booster fan air outlet pipe are arranged on the booster fan; the booster fan air inlet pipe is connected to a main fan air outlet pipe 1 of the powder concentrator; the booster fan air outlet pipe passes through a cone shell of the powder concentrator, and extends to the outer side of a coarse powder cone of the powder concentrator; three layers of annular air pipes are arranged horizontally at certain intervals in the coarse powder cone; the booster fan air outlet pipe is connected with the three layers of annular air pipes through the connecting air pipe; and the annular air pipes are provided with nozzles. Due to the adoption of the secondary lifting device for the powder concentrator, the powder concentrating efficiency of the powder concentrator can be increased, and reduction in the efficiency of a pulverizing mill caused by wrong feeding of qualified products into the pulverizing mill for secondary pulverizing is avoided.
Owner:江苏苏亚机电制造有限公司
A dual-fuel combined heat and power supply water injection forward and reverse gas turbine combined cycle system
ActiveCN106224099BCombined Cycle Efficiency ImprovementEmission reductionTurbine/propulsion engine coolingGas turbine plantsBrayton cycleElectricity
The invention relates to a water injection forward and inverse gas turbine combined cycle system for burning both clean fuel and biomass fuel and supplying both heat and electricity. A gas turbine adopts the form of heat regenerative water injection-inverse gas turbine combined cycle and burns clean fuel; smoke generated by biomass fuel burning in a boiler indirectly heats air entering a combustion chamber of the gas turbine at first, and then preheated air entering the boiler, wherein medium-and-low-temperature heat in cycle of the gas turbine can be used for external heat supplying. According to the water injection forward and inverse gas turbine combined cycle system, the cascade utilization principle of energy is utilized, and an external burning method and the advanced water injection forward and inverse Brayton cycle are combined organically, so that the energy utilization efficiency of the biomass fuel can be greatly improved; the ratio of the biomass fuel to the clean fuel is adjustable; and self-balance of water injection water consumption and water recycling is realized.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
A kind of oil-free lubrication scroll vacuum pump
InactiveCN106989020BGuaranteed self-balancingEliminate design stepsSealing arrangement for pumpsRotary piston pumpsEngineeringVacuum pump
The invention discloses an oil-free lubrication scroll vacuum pump. The pump comprises a movable scroll, a fixed scroll, a crankshaft, a motor, a rotation-prevention mechanism and an axial gap adjusting device; a static-balance-free design structure is adopted in the movable scroll, the movable balance property is improved, the scroll vacuum pump is more compact in whole size, a small-crank rotation prevention mechanism with the radial compliance and a crankshaft with the eccentric structure achieve joint action, the size of the rotation radius is adjusted, and it is ensured that movable scroll revolution and translation are more stable; in order to improve the air suction efficiency of the scroll vacuum pump, the fixed scroll is adopted, wherein the inner side profile and the outer side profile are not symmetric, and the fixed scroll is provided with a single air suction opening; the problems that due to the fixed scroll structure, the volumetric proportion in a work cavity is not equal, the scroll turns over, and the pressure fluctuates are solved through two manners of movable scroll tooth head cutting treatment or the exhaust hole opening range adjustment; meanwhile, an axial gap adjusting device adjusts the gap, caused by the machining error, at the combination position of a movable scroll disc and a fixed scroll disc, and the axial gap leakage is reduced.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)
A Measuring Device for Average Corrosion Depth in X-ray Stress Test
ActiveCN105783669BSolving Quantitative Measurement ProblemsGuaranteed test accuracyMechanical depth measurementsMeasurement deviceX-ray
The invention provides a measurement device for average corrosion depth in X-ray stress testing.The measurement device comprises a support, a supporting rod and a dial gauge.The support is a U-type hollow bent part with a downward opening, the supporting rod is a hollow straight rod, the upper end and the lower end of the supporting rod are connected with the center of the top of the support and the center of the bottom of the dial gauge, a balance plate is horizontally arranged inside a cavity in the top of the support, the center of the balance plate is connected with the support through a pin shaft, a rotating spring is arranged on the balance plate, three sleeves are evenly arranged on the bottom surface of the support at intervals, the center of the top face of the balance plate is connected with the bottom end of a main spring, the top end of the main spring is connected with the dial gauge, the bottom face of the balance plate is spaced evenly and connected with the top ends of three auxiliary springs, spheres are arranged at the bottom ends of the auxiliary springs which are sleeved with sheaths, the bottom ends of the sheaths are fixedly connected with the spheres, the three auxiliary springs and the three sleeves are arranged correspondingly, and the sheaths are inserted into the sleeves and can slide along the sleeves.On the premise of guaranteeing testing precision, the average depth of a corrosion pit is tested in a one-off mode, and working efficiency and accuracy are substantially improved.
Owner:武汉钢铁有限公司
Hardware metal scrap recycling treatment equipment
ActiveCN113318817AGuaranteed normal inputEasy to cleanSievingScreeningWaste materialIndustrial engineering
The invention discloses hardware metal scrap recycling treatment equipment. The hardware metal scrap recycling treatment equipment comprises a machine shell, a turning cover plate, a smashing bin, a flushing bin, a first collecting box, a water tank and a water drainage port, wherein a discharging hopper is installed at the top of the machine shell, a shaft rod is connected to the middle of the turning cover plate, the smashing bin is arranged at the top of the inner side of the machine shell, a lower crushing roller is installed below an upper crushing roller, a flushing bin is connected to the lower portion of the crushing bin, a first partition net is arranged on the inner side of the flushing bin, a second partition net is installed below the first partition net, a first collecting box is arranged on the right side of the flushing bin, and a draining net is arranged on the side of the first collecting box. According to the hardware metal scrap recycling treatment equipment, protection is enhanced, meanwhile, input of the metal scraps under different belts is guaranteed, meanwhile, the crushing effect is guaranteed through linkage, flushing and screening can be conducted, impurities can be conveniently cleared, classified collection is facilitated, occupied space is conveniently reduced, and follow-up machining use is met.
Owner:山西省黎城县通鑫再生资源回收利用有限公司
A test tool and test method for the bending mechanical properties of a honeycomb sandwich structure
ActiveCN112033796BGuaranteed stabilityPrecise positioningMaterial strength using tensile/compressive forcesTest efficiencyHoneycomb
The invention discloses a testing tool for the bending mechanical properties of a honeycomb sandwich structure and a testing method. The tooling includes a tooling base, a clamping device, a tooling support and a displacement sensor; the tooling base is installed on a beam of a testing machine; the clamping device is installed on The middle position on the tooling base is the clamping displacement sensor; the tooling support is set on both sides of the clamping device; the tooling support is provided with a connecting plate, and a flexible support plate is set on the connecting plate, and the top of the flexible support plate is rotated and connected with a balance support piece. When the present invention is used, the precise control of the span is realized by adjusting the relative position of the tooling support on the base; Precise longitudinal alignment ensures the accuracy of mechanical performance test results, and the displacement sensor can be quickly disassembled during the test, avoiding the risk of damage to the displacement sensor and improving test efficiency.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP
A dual-fuel steam injection forward and reverse gas turbine combined cycle
ActiveCN104533621BCombined Cycle Efficiency ImprovementEmission reductionTurbine/propulsion engine coolingGas turbine plantsBrayton cycleSystem integration
The invention relates to a clean fuel and biomass fuel dual-fuel steam injection direct-inverse gas turbine combined cycle. A backheating type steam injection-inverse gas turbine combined cycle form is adopted for a gas turbine, and clean fuel is adopted for the gas turbine; flue gas produced when biomass fuel burns in a boiler indirectly heats the air entering a combustion chamber of the gas turbine first and then preheats the air entering the boiler, wherein the steam cyclically produced by the gas turbine can be used for supplying heat to the outside. According to the dual-fuel steam injection direct-inverse gas turbine combined cycle, the gradient utilization principle of energy is utilized, an external combustion method and the advanced steam injection direct-inverse Brayton cycle are organically combined through system integration, the energy utilization efficiency of the biomass fuel can be substantially improved, the proportion of the biomass fuel to the clean fuel is adjustable, and self-balance of water consumption and water recovery for steam injection can be achieved.
Owner:INST OF ENGINEERING THERMOPHYSICS - CHINESE ACAD OF SCI
Microphone support
PendingCN110381403AGuaranteed self-balancingDetermine self-balancing stateMouthpiece/microphone attachmentsSnubberEngineering
The invention discloses a microphone support. The microphone support comprises a fixed support, a movable part and a microphone clamp. The microphone support is characterized in that the movable partcomprises a movable frame, one end of the movable frame being hinged to the fixed support, the other end of the movable frame being hinged to the microphone clamp, and the movable frame being arrangedbetween the fixed support and the microphone clamp in a deformable mode and matched with the fixed support and the microphone clamp to form a parallelogram structure; a damper, arranged in the movable frame, one end of the damper being hinged to the fixed support, and the other end of the damper being connected with the microphone clamp. The included angle between the movable frame and the fixedsupport is larger than the included angle between the damper and the fixed support. Therefore, the microphone clamp is always kept in a self-balancing state, and the movable part is kept in a state required by a user at the same time.
Owner:NINGBO CHANGHEGU AUTOMATION TECH CO LTD
A microgrid system and its control and power generation forecasting method
ActiveCN109494723BGuaranteed self-balancingMeet electricity demandLoad forecast in ac networkSingle network parallel feeding arrangementsMicrogridPower usage
A microgrid system and its control and power generation forecasting method. The microgrid system includes a renewable energy power generation system, an energy storage system, a user load system, a diesel unit and a control system. The user load system divides the load into controllable load and uncontrollable load. The controllable load can predict the trend and count the peak and valley power of the load. The controllable load can be cut off in the event of an accident or when the output of renewable energy is insufficient. Energy storage is carried out during the period of time, and discharge is carried out during the peak period of electricity price. The photovoltaic power generation system is divided into two ways to calculate the power generation amount according to whether it has the measured data. The invention utilizes renewable energy to ensure reliable electricity consumption of users in islands and remote areas, reduces electricity consumption costs of users, reduces environmental pollution, switches controllable loads according to changes in electricity consumption, and maintains the self-balance of the microgrid system.
Owner:XIAN TEBIAN ELECTRIC POWER DESIGN
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