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43results about How to "Avoid big shocks" patented technology
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Load-sensitive electro-hydraulic proportional multi-way valve
InactiveCN103047208AAvoid big shocksHigh control precisionServomotor componentsElectro hydraulicShuttle valve
The invention discloses a load-sensitive electro-hydraulic proportional multi-way valve and belongs to the technical field of multi-way valves. The load-sensitive electro-hydraulic proportional multi-way valve comprises a first tandem and a second tandem. The first tandem is composed of a safety valve (1), a first pilot electro-hydraulic proportional relief valve (2), a second pilot electro-hydraulic proportional relief valve (5), a first load-sensitive pressure compensation valve (3), a first hydraulic reversing master valve (4) and an overload makeup valve (14). The second tandem is composed of a third pilot electro-hydraulic proportional relief valve (6), a fourth pilot electro-hydraulic proportional relief valve (9), a second hydraulic reversing master valve (11), a floating valve (12) and an LS (load-sensitive) shuttle valve (13). The load-sensitive electro-hydraulic proportional multi-way valve is capable of simultaneously receiving single or multiple control command signals to respectively control output oil circuits of the multi-way valve and is easy for remote control and complex compound action of multiple actuators, energy resources are saved, and environment pollution is reduced.
Owner:XUZHOU CONSTR MACHINERY INST XUZHOU CONSTR MACHINERY GRP
Liquid cooling self-excitation type eddy current retarder with salient pole structure
ActiveCN102594090ASave electricityAvoid big shocksMagnetic circuit rotating partsMagnetic circuit stationary partsElectric energyDynamo
The invention provides a liquid cooling self-excitation type eddy current retarder with a salient pole structure, belonging to the field of automobile braking. The liquid cooling self-excitation type eddy current retarder comprises a retarder rotor (9), a retarder stator (5), a retarder coil (8), a retarder generator and a control module, wherein the retarder rotor (9) is a tooth-shaped rotary plate; the axial half-section of the tooth-shaped rotary plate is a reverse h shape; two bulges at the both sides of a dentate disc are two salient poles of the retarder rotor (9); the retarder rotor (9) is connected with a transmission shaft (13); the inner circle of the retarder stator (5) and the outer circle of the retarder rotor (9) are coaxial; and the retarder coil (8) is an individual coil, is mounted between the two salient poles of the retarder rotor (9), and is fixedly connected with the retarder stator (5). According to the liquid cooling self-excitation type eddy current retarder provided by the invention, the electric energy is saved and the large impact to an automobile storage battery when the retarder is started is avoided by using a self-generating manner; and the coil is sleeved in the middle of a rotor disc by using the individual coil which is wound in a concentrated manner, so that the winding, the installation and the control of the coil can be simplified.
Owner:YANGZHOU ANXING ELECTROMECHANICAL TECH
Load-sensitive electric proportional multi-loop valve
ActiveCN103671335AAvoid big shocksHigh control precisionServomotor componentsServomotorsTraffic volumeElectricity
The invention relates to a load-sensitive electric proportional multi-loop valve. The load-sensitive electric proportional multi-loop valve aims to enable all loops to work with different loads, save energy and reduce environmental pollution. According to the technical scheme, the load-sensitive electric proportional multi-loop valve comprises a main oil path, a raising loop, an inclined joint, an attachment joint, a logical direction valve, a two-way solenoid valve, a proportional electric overflow valve and a two-way hydraulic control reversing valve, the main oil path is communicated with two gear pumps P1, P2, the raising loop is connected to the main oil path through an electronic proportional pressure compensation flow control valve, the inclined joint and the attachment joint are connected to the main oil path through an electronic proportional pressure compensation flow control valve, the logical direction valve is connected to the main oil path, the two-way solenoid valve and the proportional electric overflow valve are connected to an oil inlet of the logical direction valve, and the two-way hydraulic control reversing valve is used for controlling whether the gear pump P2 supplies oil to the main oil path or not. The load-sensitive electric proportional multi-loop valve is applied to the technical field of hydraulic system control valves of 5-10t forklifts.
Owner:HANGCHA GRP
Crushing device of garbage classification system
InactiveCN110665582AHigh torqueEasy to completeSievingScreeningSoftware engineeringElectric machinery
The invention discloses a crushing device of a garbage classification system, and belongs to the technical field of garbage disposal devices. The crushing device of the garbage classification system comprises a supporting mounting frame and a linkage mechanism. The supporting mounting frame comprises supporting legs, a horizontal mounting frame is fixedly connected to the supporting legs, a firstconnecting frame and a second connecting frame are fixedly connected to the horizontal mounting frame, and a mounting groove is further formed in the middle of the horizontal mounting frame. A garbagecrushing mechanism and a driving mechanism are connected to the first connecting frame and the second connecting frame, the linkage mechanism is connected with the driving mechanism, the lower end ofthe linkage mechanism is connected with a conveying mechanism, the conveying mechanism is installed on the horizontal mounting frame, and a collecting box is arranged below the conveying mechanism. The crushing device effectively solves the problems that the output torque of an existing designed motor is small and the motor is not qualified for garbage crushing, easy to damage and too monotonousin structure and function.
Owner:HEBEI UNIV OF ENVIRONMENTAL ENG
Demountable tanker truck and hydraulic system thereof
InactiveCN102381230AAnti-stall movementImproved speed stabilityTank vehiclesVehicle with tipping movementHydraulic pumpTruck
The invention provides a demountable tanker truck and a hydraulic system thereof. The hydraulic system comprises a hydraulic pump, wherein the hydraulic pump supplies oil to a main oil cylinder and a moving oil cylinder through a multi-way valve, the multi-way valve at least comprises a main oil cylinder reversing valve and a moving oil cylinder reversing valve, and the hydraulic system also comprises a first position detection device and / or a second position detection device. The moving state of the main oil cylinder can be controlled according to the first position detection device, and the moving state of the moving oil cylinder can be controlled according to the second position detection device. The synchronism of the operation process of the main oil cylinder can also be ensured, and in addition, the protection on a main oil path can also be realized. The demountable tanker truck and the hydraulic system thereof have the advantages that misoperation can be reduced, the synchronism is high, the anti-impact performance is good, and the like.
Owner:SANY HEAVY IND CO LTD (CN)
Air-drop system capable of achieving deplaning deceleration and posture stabilization
InactiveCN106240823AAvoid big shocksAvoid resistanceParachutesLaunching weaponsComing outMarine engineering
The invention relates to an air-drop system capable of achieving deplaning deceleration and posture stabilization. The air-drop system capable of achieving deplaning deceleration and posture stabilization comprises a cargo table and main parachutes. Main parachute ropes of the main parachutes are connected with the cargo table through a connecting rope. The main parachutes are placed in main parachute bags in a folded mode. The main parachute bags are also sequentially connected with an auxiliary guiding parachute and a traction parachute. The air-drop system capable of achieving deplaning deceleration and posture stabilization further comprises stabilization and deceleration parachutes. The stabilization and deceleration parachutes are placed in stabilization and deceleration parachute bags in a folded mode. Stabilization and deceleration parachute ropes of the stabilization and deceleration parachutes and the main parachute ropes are connected to the connecting rope in parallel. According to the air-drop system capable of achieving deplaning deceleration and posture stabilization, the deplaning rolling angle of the system can be reduced at the moment the air-drop system comes out of plane, so that hooking caused by an excessively-large rolling angle of the system is avoided; and in addition, the speed is decreased when the parachutes of the system are opened, and the probability of overload caused during opening of the main parachutes is lowered.
Owner:AEROSPACE LIFE SUPPORT IND LTD
Layered flood-discharging and sediment-flushing device for reservoir
The invention discloses a layered flood-discharging and sediment-flushing device for a reservoir. The layered flood-discharging and sediment-flushing device comprises a dam body with a U-shaped longitudinal cross section, wherein the dam body comprises two oppositely arranged side walls (6) and a connecting section (4) for connecting the bottoms of the two side walls (6); three flood discharging openings (7) are formed in the side wall (6) of one side close to the reservoir from top to bottom in sequence; a surface layer flood discharging gate (1), a middle layer flood discharging gate (2) and a bottom flood discharging gate (3) are arranged on the three flood discharging openings (7); a bottom water outlet (13) is formed in the bottom of the side wall (6) of one side away from the reservoir; a water outlet gate (5) is arranged on the bottom water outlet (13); the layered flood-discharging and sediment-flushing device is communicated with a reservoir water body through the flood discharging openings (7). According to the invention, the layered flood-discharging and sediment-flushing device is simple in structure, can discharge muddy water timely, is firm and durable, and can operate stably for long term.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
Spatial tether system wedge brake mechanism
ActiveCN103241387AReliable brakingAvoid big shocksCosmonautic vehiclesCosmonautic partsEngineeringPulley
The invention provides a spatial tether system wedge brake mechanism which comprises wedge clamp and tether guide device. The wedge clamp is a rectangular block fixed on a base. A wedge gap is reserved on one side of the rectangular block. The width of the opening side of the wedge gap is larger than that of the other side. The tether guide device is characterized in that two tangent tether guide fixed pulley are respectively mounted at two ends of the wedge gap through movable frames, a tether penetrates through the two fixed pulley and moves between the opening side of the wedge gap and the other side of the wedge gap by movement of the movable frames. The spatial tether system wedge brake mechanism is applicable to spatial tether braking during unfolding, simple in structure, convenient to control and high in safety.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Intelligent jellyfish and hydra breeding system
ActiveCN109699561AConducive to survivalAvoid big shocksPisciculture and aquariaPipe fittingWater filter
The invention discloses an intelligent jellyfish and hydra breeding system. The intelligent jellyfish and hydra breeding system comprises a breeding tank, a filtering tank, a constant-temperature machine, pipe fittings, a colonization plate assembly and an internet-of-things device, wherein the pipe fittings include a water inlet pipe, a circulating water pipe and a water distribution pipe; an illuminating coral lamp is arranged at the top of the breeding tank, an in-tank circulator, a guide plate and a top drainage water filtering and perforating guide plate are arranged in the breeding tank,the filtering tank is arranged in the aquaculture tank, the water inlet pipe is connected with the breeding tank and the filtering tank, the circulating water pipe is arranged at the connection partof the water inlet pipe and the breeding tank and the filtering tank, the water distribution pipe is connected with the breeding tank, the constant-temperature machine is connected with the water distribution pipe, the colonization plate assembly is arranged in the breeding tank, and the internet-of-things device is connected with the constant-temperature machine and the illuminating coral lamp. The intelligent jellyfish and hydra breeding system can achieve circular change of a water body in the breeding cylinder and is suitable for large-scale popularization.
Owner:SHANXI AGRI UNIV
Drum flying shears
ActiveCN106363229AReduce weightMeet the cutting precision requirementsStock shearing machinesEngineeringHelix angle
The invention provides drum flying shears. The drum flying shears comprise a rack, wherein the upper part of the rack is rotationally connected with a driving cutter shaft and a driven cutter shaft which are parallel and overlaid in a spaced manner, the driving cutter shaft and the driven cutter shaft have equal diameter and are connected through a transmission mechanism, a linear first cutter groove and a cylindrical-helix-shaped second cutter groove are formed in a spaced manner in the outer surface of the driving cutter shaft in the axial direction, a linear third cutter groove and a cylindrical-helix-shaped fourth cutter groove are formed in a spaced manner in the outer surface of the driven cutter shaft in the axial direction, the fourth cutter groove and the second cutter groove have identical helix angle and opposite rotating directions, and shear blades are arranged in the first cutter groove, the second cutter groove, the third cutter groove and the fourth cutter groove respectively; a drive mechanism is connected with the driving cutter shaft and drives the driving cutter shaft to rotate, and the driving cutter shaft drives the driven cutter shaft through the transmission mechanism to rotate synchronously in the opposite direction. According to the provided drum flying shears, thick and thin strips with large thickness change ranges are sheared, the shearing precision is guaranteed, and the shearing impact is reduced.
Owner:CERI TECH +1
Deceleration test tower of speed limiter
The invention relates to a deceleration test tower of a speed limiter. The deceleration test tower comprises a steel structure rack (3), a speed limiter fixing unit arranged at the top of the steel structure rack (3) and used for installing a to-be-tested speed limiter (2), a tensioning wheel component arranged at the bottom of the steel structure rack (3), and a guide rail (4) vertically arrangedup and down along the steel structure rack (3); a counterweight frame (6) is arranged on the guide rail (4), an upper portion of the counterweight frame (6) is connected with a steel wire rope (5), the steel wire rope (5) sequentially bypasses a rope sheave and the tensioning wheel component of the to-be-tested speed limiter (2), and a tail end of the steel wire rope (5) is connected to a lower portion of the counterweight frame (6) to form a closed loop; a buffer mechanism (7) is arranged at the bottom of the guide rail (4), the to-be-tested speed limiter is connected with a data acquisitionunit, the counterweight frame (6) is released to fall from a high position to drive the steel wire rope (5) to move, thereby completing a deceleration test of the to-be-tested speed limiter (2). Thetest equipment is high in test precision and safe in test process.
Owner:SHANGHAI LONGYU ELEVATOR ACCESSORIES
Train dead-hooking treatment system and method for
The invention discloses a train dead-hooking treatment system and method. The train comprises a plurality of heavy train sets. The train dead-hooking treatment system comprises a train dead-hooking alarming device and a control device, wherein the train dead-hooking alarming device is used for sending signals which express a dead-hook phenomenon between the adjacent two heavy train sets in the plurality of heavy train sets; the control device is connected with the train dead-hooking alarming device, and is used for receiving the signals which express the dead-hook phenomenon between the adjacent two heavy train sets in the plurality of heavy train sets, and controlling a positioning car to stop in the condition that the signals which express the dead-hook phenomenon between the adjacent two heavy train sets in the plurality of heavy train sets are received; and the positioning car is used for drawing and positioning the heavy train sets. With the adoption of the dead-hooking treatment system and the train dead-hooking treatment method, not only can the defects in the prior art of components damaged by overloading and train off-the-road and turnover phenomena be avoided, but also the huge impact brought about by scram of each component in a high-speed operation state can be avoided, the security of equipment can be ensured, and the fault treatment efficiency further can be improved.
Owner:CHINA SHENHUA ENERGY CO LTD +1
Space Tether System Wedge Braking Mechanism
ActiveCN103241387BReliable brakingAvoid big shocksCosmonautic vehiclesCosmonautic partsSpace tetherEngineering
The invention provides a spatial tether system wedge brake mechanism which comprises wedge clamp and tether guide device. The wedge clamp is a rectangular block fixed on a base. A wedge gap is reserved on one side of the rectangular block. The width of the opening side of the wedge gap is larger than that of the other side. The tether guide device is characterized in that two tangent tether guide fixed pulley are respectively mounted at two ends of the wedge gap through movable frames, a tether penetrates through the two fixed pulley and moves between the opening side of the wedge gap and the other side of the wedge gap by movement of the movable frames. The spatial tether system wedge brake mechanism is applicable to spatial tether braking during unfolding, simple in structure, convenient to control and high in safety.
Owner:NORTHWESTERN POLYTECHNICAL UNIV
Energy-saving multifunctional street lamp for smart city
InactiveCN111550739AEasy to reinforceEasy to shrinkMechanical apparatusLighting support devicesConvertersLight energy
The invention belongs to the technical field of smart city facilities and particularly relates to an energy-saving multifunctional street lamp for smart cities. The street lamp comprises a lamp holderand a lamp post, the lamp holder is externally connected with mains supply; two winding wheels are rotationally connected into the lamp holder; the two winding wheels are provided with driven gears;a winding engine is arranged in the lamp holder, a driving gear is arranged on the rotating shaft of winding engine, a winding wheel is connected with a steel cable, a through groove is formed in thelamp post; an assembling table is arranged on the lamp post; fixed pulley is assembled on the assembling table, the steel cable penetrates through the through groove and bypasses the fixed pulley to be connected with a functional platform; limiting sensors are arranged on the lower side of the assembling table. A processing controller is further arranged in the lamp holder; a control panel is arranged outside the lamp holder and provided with a protective door, the functional platform is provided with a wind-solar power generation assembly, a conversion assembly, a 5G signal base station assembly, a lighting assembly and a monitoring camera, the wind-solar power generation assembly comprises a wind power generation part and a light energy power generation part, and the conversion assemblycomprises a direct-current converter, a storage battery and an alternating-current converter.
Owner:深圳中鲲智能科技有限公司
Tracked vehicle direction control valve
PendingCN112793664AEasy to controlExtended service lifeFluid steeringNon-deflectable wheel steeringAutomotive engineeringVehicle orientation
Disclosed is a tracked vehicle direction control valve comprises a main control valve, a valve handle is arranged at the lower end of the main control valve, a long guide rod is arranged on one side of the valve handle, a fixing disc is arranged at the upper end of the long guide rod, a reversing plate is arranged at the lower end of the fixing disc, and a rotating shaft is arranged at the lower end of the reversing plate. By arrangement of the multi-connecting-rod control mechanism, people can control the vehicle running at a high speed conveniently, huge impact caused by sudden acceleration and deceleration is avoided, the service life of the motor is prolonged, the personal safety of a user is protected, operation difficulty is lowered, and operation comfort is improved; by means of the multi-connecting-rod control mechanism, a user can control left and right running of the tracked vehicle with one hand, operation is easy, and the tracked vehicle can be applied to an open system and a closed system and can be used by people conveniently.
Owner:JIKAI HEBEI MECHATRONICS TECH CO LTD
Fan linkage stop device and fan including device
The invention provides a fan linkage stop device. The fan linkage stop device comprises a brake fixed plate, a linkage transmission mechanism fixed base, a stop driving mechanism, a linkage transmission mechanism, a mechanical braking mechanism and a variable pitch braking mechanism, wherein the mechanical braking mechanism and the variable pitch braking mechanism are linked by the linkage transmission mechanism; the mechanical braking mechanism is configured to start mechanical braking for a generator main shaft when the variable pitch braking mechanism finishes variable pitch braking for fan blades, so that the working conditions of the fan blades can be firstly changed through pitch change, the capacity of an impeller capturing wind energy is reduced, and the rotating speed and energy of the impeller are effectively reduced; then, the mechanical braking mechanism is used for braking to effectively prevent higher impact in the fan stop process and overcome the excessive heating and wearing problem in braking; and the whole set of linkage stop device is safer and more stable, so that the whole unit is higher in reliability.
Owner:青岛安华新元风能股份有限公司
Automatic feeding equipment for thin-wall punching member
ActiveCN109926510AEasy to grabAvoid big shocksMetal-working feeding devicesMetal working apparatusMaterials preparationPunching
The invention discloses automatic feeding equipment for a thin-wall punching member. The equipment comprises a working platform and two fixtures, each fixture is composed of a trapezoidal table and multiple positioning fixtures which are installed on the trapezoidal table, the working platform is divided into a working area and a material preparing area according to front and rear sequence, the two fixtures are installed on the working platform through two parallel rodless air cylinders, and vent holes formed in the two sides of the two rodless air cylinders are crossedly and serially connected to allow the two rodless air cylinders to maintain synchronous incongruous motion. The equipment has the advantages that the fixtures can be driven to move back and forth between the working area and material preparation area on the working platform through the rodless air cylinders, and the fixtures are installed on the working platform through a guiding rail sliding block structure. The construction of the feeding equipment is simple, the yield rate, quality, precision and efficiency are allowed to be greatly improved compared with manual feeding, processing, operating, controlling and using are allowed to be more convenient and simpler, and the safety performance of working is greatly improved.
Owner:WUHAN UNIV OF TECH
Hydraulic system and method for composite action control of loading machine
ActiveCN114688115ALifting speed is fastImprove efficiencyServomotor componentsServomotorsHydraulic pumpSystem pressure
The invention discloses a hydraulic system and method for composite action control of a loading machine. The first hydraulic pump sucks oil from the hydraulic oil tank and is connected with the first control valve, and the first control valve is connected with the movable arm oil cylinder; a second hydraulic pump sucks oil from the hydraulic oil tank and is connected with a third control valve, and the third control valve is connected with a steering gear and a fourth control valve; the steering gear is connected with the right steering oil cylinder and the left steering oil cylinder; the fourth control valve is connected with the second control valve and the first control valve. The second control valve is connected with the tipping bucket oil cylinder; the third control valve preferentially supplies oil to the steering gear, and redundant flow is supplied to the fourth control valve; the fourth control valve preferentially supplies oil to the second control valve, and redundant flow is supplied to the first control valve. Composite action of the movable arm oil cylinder and the tipping bucket oil cylinder is achieved, the two molecular systems can be independently controlled, operation controllability is higher, the pressure and the operation speed of the two molecular systems can be independently set, and overlarge impact during unloading is avoided.
Owner:XCMG CONSTR MACHINERY
Multi-position wafer edge polishing equipment
ActiveCN111168515APrevent slidingUniform adsorption forceEdge grinding machinesGrinding carriagesHydraulic cylinderWafer
The invention discloses multi-position wafer edge polishing equipment. The multi-position wafer edge polishing equipment structurally comprises a fixed rod, two polishing systems, hydraulic cylindersand a machine body. The two polishing systems are arranged on the top end face of the machine body. The hydraulic cylinders are arranged over the corresponding polishing systems. The hydraulic cylinders are in mechanical connection with the corresponding polishing systems. The fixed rod is arranged at the topmost end of the machine body. Each polishing system comprises an air inlet, a main rod, afolding tube, a fixed disk and an operating platform. The operating platforms are fixed to the locations over the machine body. The fixed disks are arranged over the corresponding operating platforms.Through cooperation of the hydraulic cylinders, the main rods and the fixed disks, the multi-position wafer edge polishing equipment fixes wafers through hold-down of the hydraulic cylinders to prevent the wafers from sliding relatively in the fixing process. The multi-position wafer edge polishing equipment adsorbs the wafers in an air extraction mode through cooperation of the fixed disks, theair inlets and the like, sucks and adsorbs the interiors and exteriors of the wafers simultaneously through suction inner rings and suction outer rings to guarantee that adsorption force to the wafersis uniform and the wafers cannot be broken in half from the middles.
Owner:湖南科鑫泰电子有限公司
High pressure helium charging device for aerostat
ActiveCN102494242BIncrease helium filling speedAvoid big shocksContainer filling under pressureHigh pressureAir tightness
Owner:CHINA ELECTRONIC TECH GRP CORP NO 38 RES INST
Construction method for reducing energy consumption of wound-rotor motor
InactiveCN106300820AIncrease usageSolve the problem of large starting torqueAssociation with control/drive circuitsManufacturing cage rotorsElectricityControl system
The invention discloses a construction method for reducing energy consumption of a wound-rotor motor. The method comprises the following steps: first of all, short-connecting a rotor of the wound rotor motor with three lead-out wires connected with a collector ring through a short circuit board; and then additionally installing a control system between a starting power source and a constructed wound rotor motor. The application rate of the motor is improved, production safety can be guaranteed, the electricity consumption cost is greatly decreased, safe and stable operation of a power plant is ensured, the cost is not high, and manufacturing and maintenance are convenient.
Owner:武汉钢铁有限公司
A kind of jellyfish hydra intelligent breeding system
The invention discloses an intelligent jellyfish and hydra breeding system. The intelligent jellyfish and hydra breeding system comprises a breeding tank, a filtering tank, a constant-temperature machine, pipe fittings, a colonization plate assembly and an internet-of-things device, wherein the pipe fittings include a water inlet pipe, a circulating water pipe and a water distribution pipe; an illuminating coral lamp is arranged at the top of the breeding tank, an in-tank circulator, a guide plate and a top drainage water filtering and perforating guide plate are arranged in the breeding tank,the filtering tank is arranged in the aquaculture tank, the water inlet pipe is connected with the breeding tank and the filtering tank, the circulating water pipe is arranged at the connection partof the water inlet pipe and the breeding tank and the filtering tank, the water distribution pipe is connected with the breeding tank, the constant-temperature machine is connected with the water distribution pipe, the colonization plate assembly is arranged in the breeding tank, and the internet-of-things device is connected with the constant-temperature machine and the illuminating coral lamp. The intelligent jellyfish and hydra breeding system can achieve circular change of a water body in the breeding cylinder and is suitable for large-scale popularization.
Owner:SHANXI AGRI UNIV
Austenitic stainless steel pipe anti-falling feeding mechanism
The invention discloses an austenitic stainless steel pipe anti-falling feeding mechanism which comprises a platform, and two rows of conveying supporting wheels are arranged on the platform. A storage frame is arranged on one side of the platform. A lifting swing arm and a discharging swing arm which can swing oppositely are arranged on the storage frame. The lifting swing arm is linked with the discharging swing arm through a swing arm driving mechanism. The motion trail of the free end of the discharging swing arm passes through the space between the two rows of conveying supporting wheels. A transverse buffer device is arranged between at least one row of conveying supporting wheels and the platform. According to the austenitic stainless steel pipe anti-falling feeding mechanism, a stainless steel pipe can be effectively buffered in the feeding process, the stainless steel pipe is prevented from falling, normal production can be guaranteed, and safety is high.
Owner:GUANGZHOU YONGSHENG IRON & STEEL PROD CO LTD
Discharge nozzle of stone hoist
InactiveCN104310039AAvoid big shocksOvercoming the defect of perforationConveyorsConveyor partsFlangeSteel plates
The invention relates to a discharge nozzle of a stone hoist, and belongs to the technical field of machinery. The discharge nozzle comprises a discharge nozzle enclosing plate. A steel angle flange is arranged at the front end of the discharge nozzle enclosing plate, and a plurality of steel angles are arranged on the lower end surface of the discharge nozzle enclosing plate. The discharge nozzle of the stone hoist has the advantages that stone which is thrown into the discharge nozzle by a hopper can be cushioned by the steel angles, so that shortcomings of high impact on enclosing plates at the bottoms of existing discharge nozzles due to direct discharging modes and easiness in perforating the steel plates due to long-term usage can be overcome, the enclosing plate at the bottom of the discharge nozzle can be effectively protected, and the service life of equipment can be prolonged.
Owner:WUXI HUAZHONG TECH
Auxiliary tool for ship hoisting
InactiveCN108860479AEasy to lift and useEasy to useCargo handling apparatusPassenger handling apparatusHydraulic cylinderArchitectural engineering
The invention discloses an auxiliary tool for ship hoisting. The auxiliary tool comprises a base plate, wherein the lower end of the base plate is fixedly provided with a supporting assembly, the lower end of the supporting assembly is welded with an upper protective plate, the lower end of the upper protective plate is connected with a lower protective plate through a pressure-bearing spring, thelower end of the lower protective plate is provided with a plurality of sets of universal wheels and hydraulic cylinders in sequence, an output end of each hydraulic cylinder is welded with a mounting seat, the lower end of each mounting seat is fixedly provided with a pressure-bearing steel plate, the two side walls of the upper end of the base plate are fixedly provided with guard rails respectively, and the outer walls of the guard rails are provided with LED lamps. The auxiliary tool for ship hoisting has the advantages that through the arrangement of the base plate, the supporting assembly, the upper protective plate, the pressure-bearing spring, the lower protective plate, a limiting pad, the LED lamps, the universal wheels, a baffle, a power box, a warning light, the hydraulic cylinders, a protective cylinder, the mounting seat and the pressure-bearing steel plate, the problems are solved that a current ship hoisting auxiliary tool is not flexible enough in use and low in functionality and an effective pressure-relief device is not provided.
Owner:芜湖籁余新能源科技有限公司
A wafer multi-station edge polishing equipment
ActiveCN111168515BPrevent slidingUniform adsorption forceEdge grinding machinesGrinding carriagesHydraulic cylinderSuction force
The invention discloses a wafer multi-station edge polishing equipment, the structure of which comprises a fixed rod, a polishing system, a hydraulic cylinder, and a body. Two polishing systems are arranged on the top surface of the body, and a hydraulic cylinder is arranged directly above the polishing system. It is mechanically connected with the polishing system. There is a fixed rod on the top of the body. The polishing system includes an air inlet, a main rod, a folding cylinder, a fixed plate, and an operating platform. The operating platform is fixed directly above the machine body. The invention uses the mutual cooperation between the hydraulic cylinder, the main rod and the fixed plate to fix the wafer after the hydraulic cylinder is pressed down to prevent the relative sliding of the wafer when it is fixed. The invention cooperates with the fixed plate and the air inlet, etc., The wafer is adsorbed by means of air extraction, and the inner and outer rings are used to absorb and absorb the inside and outside of the wafer at the same time, so as to ensure that the wafer is evenly absorbed and will not break into two parts from the middle. Half.
Owner:湖南科鑫泰电子有限公司
Carbon tank electromagnetic valve opening control method
InactiveCN112177784ACorrect opening speedCorrected target openingElectrical controlNon-fuel substance addition to fuelFlameoutEngineering
According to a carbon tank electromagnetic valve opening control method, after it is judged that a carbon tank electromagnetic valve meets the enabled opening condition, the carbon tank electromagnetic valve is opened according to the target opening degree and the initial opening speed determined by the current working condition, and a real-time fuel oil adjusting coefficient is obtained from a system, specifically, if the current fuel oil adjusting coefficient is smaller than a first set value, the carbon tank electromagnetic valve is kept in the current opening degree until the fuel oil adjusting coefficient is equal to a second set value, if the current fuel oil adjusting coefficient is larger than the second set value, the opening degree and the opening speed of the carbon tank electromagnetic valve are corrected till the set target opening degree is achieved, and the fuel oil adjusting coefficient is a calculated value of the system for correcting the fuel injection quantity and controlling the target excess air coefficient at a theoretical value. According to the method, the concentration of carbon tank mixed gas is judged by utilizing a fuel oil correction coefficient for the first time, so that the opening speed and the target opening degree of the carbon tank electromagnetic valve are controlled, large impact of the the thick mixed gas from a carbon tank on the air-fuel ratio can be effectively avoided, and the problems of vehicle flameout and the like are avoided.
Owner:DONGFENG MOTOR CORP HUBEI
Progressive rope gripper and progressive overspeed protection safety device for dragging type lifting device
The invention discloses a progressive rope gripper. The progressive rope gripper comprises a frame body which is provided with two energy storage spring mechanisms, a fixing plate and an unhooking mechanism, wherein a fixed brake plate is arranged on the fixing plate, a wedge-shaped slideway is formed between the fixed brake plate and the frame body, and is provided with a wedge-shaped movable brake plate; and the fixed brake plate is arranged on the inner side surface of the fixing plate by an elastic sliding assembly. The invention also discloses a progressive overspeed protection safety device for a dragging type lifting device adopting the progressive rope gripper. The clamping force of the rope gripper disclosed by the invention can be adjusted in a floating manner by an elastic piece, the progressive positive pressure is applied on a dragging type steel wire rope, and the damage of the steel wire rope caused by the sudden brake and the grand impact to the frame body with the steel structure can be avoided; and the overspeed protection safety device rapidly and directly stops the dragging type steel wire rope, avoids the falling or top rushing of a lifting cage in the construction, and plays the well role of safety protection.
Owner:刘德民
A layered flood and sediment discharge device for a reservoir
The invention discloses a layered flood discharge and sediment discharge device for a reservoir, which comprises a U-shaped dam body in the longitudinal section, and the dam body includes two oppositely arranged side walls (6) and a connection connecting the bottoms of the two side walls (6). Section (4), on the side wall (6) close to the reservoir, there are three spill outlets (7) from top to bottom, and the three spill outlets (7) are respectively provided with surface flood gates (1), middle A flood discharge gate (2) and a bottom flood discharge gate (3); a bottom water outlet (13) is provided at the bottom of the side wall (6) away from the side of the reservoir, and a water outlet gate (5) is arranged at the bottom water outlet (13); The layered flood discharge and sand discharge device communicates with the water body of the reservoir through the flood discharge port (7). The flood and sand discharge device of the present invention has the characteristics of simple structure, timely discharge of muddy water, strong and durable device, long-term stable and reliable operation, and the like.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
A kind of cultivation method and device of high-grade oyster
ActiveCN105454120BHigh strengthAvoid big shocksClimate change adaptationPisciculture and aquariaOysterWater quality
The invention discloses a culture method and device for high-grade oysters. The culture method comprises the steps that firstly, a culture sea area meeting the national first-grade water quality is selected as a high-grade oyster culture sea area, and meanwhile high-grade monomer seed oysters are induced and bred; then the high-grade seed oysters are placed in the culture device, and the culture device is put in the culture sea area; finally the oysters reach the standard commercial specification through about one year of natural culture, and the oysters can be harvested. A body of the culture device is a double-layer cuboid culture frame, the culture frame is connected with a floating barrel through a polyethylene rope, a frame cover with hooks is arranged on one side of the culture frame, separation plates are arranged in the culture frame to evenly divide the frame into four boxes, each box of the frame is provided with a net cage in a matched mode, and a net cage cover with hooks is arranged on one side of each net cage. The culture method and device are suitable for open sea deep water sea area culture, the open sea is deep in water, fast in flow, large in wind and wave, good in water quality and rich in bait, the high-grade oysters with attractive shell shapes and good quality can be cultured through the method, and the diversified demands of the markets can be met.
Owner:OCEAN UNIV OF CHINA
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