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45results about How to "Improve lifting safety" patented technology
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Intelligent safety lifting device
InactiveCN104860161AWith self-locking functionImprove lifting safetyBuilding liftsElectricityPower component
The invention discloses an intelligent safety lifting device, and belongs to the technical field of lifting devices. The intelligent safety lifting device comprises a carrier, a power component, a lifting component, an extension guide rail and an electric control component, the power component and the lifting component are fixed on the carrier, the lifting component is matched with the extension guide rail, the electric control component is electrically connected with the power component, the power component is linked with the lifting component and drives the lifting component to vertically move along the extension guide rail, and the lifting component is in threaded fit with the extension guide rail. The intelligent safety lifting device is high in safety and wide in application range and has the advantages of crisis removal, escape function and the like.
Owner:NINGBO TIANHONG POWER APPLIANCE
Lifting hook of steel plate
InactiveCN102718127AImprove work efficiencyImprove lifting safetyLoad-engaging elementsSheet steelEngineering
The invention discloses a lifting hook of a steel plate. The lifting hook of the steel plate comprises a hook, a rotary fixture block and a pin shaft, wherein the rotary fixture block is rotationally connected with one end of the hook; sawteeth are arranged at the inner side of the other end of the hook; a fixed lifting hole is arranged at the top end of the rotary fixture block; the tail end of the rotary fixture block forms an arc surface; and sawteeth are arranged on the arc surface, and the sawteeth arranged on the hook are different from the sawteeth arranged on the rotary fixture block in shape. According to the lifting hook of the steel plate, the steel plate is firmly fixed when being clamped, and a lifting tool does not easily generate the phenomenon that the steel plate inclines or falls down in a lifting process without secondary clamping, so the lifting security is improved when the operation efficiency is increased.
Owner:SUZHOU TAIHU FAN MFG
Safety lifting mechanism
InactiveCN105217417AWith self-locking functionImprove lifting safetyElevatorsBuilding liftsEngineeringElectric control
The invention discloses a safety lifting mechanism which comprises a carrier, extending guide rails, a lifting assembly, a power assembly, a guide mounting assembly and an electric control assembly. The power assembly and the lifting assembly are in same-direction linkage with the carrier. The power assembly is arranged on the guide mounting assembly. The guide mounting assembly is in sliding fit with the extending guide rails. The extending guide rails are in screw fit with the lifting assembly. The electric control assembly is electrically connected with the power assembly. The power assembly drives the lifting assembly to vertically move along the extending guide rails. The safety lifting mechanism has the beneficial effects of being high in safety and wide in application range, achieving the risk removing and escaping functions and the like, and belongs to the technical field of lifting equipment.
Owner:NINGBO TIANHONG POWER APPLIANCE
Safe lifting appliance
ActiveCN105460850AWith self-locking functionImprove lifting safetyLifting devicesElectricitySprocket
The invention relates to a safe lifting appliance and belongs to the technical field of lifting equipment, comprising a mounting rack, a carrier, a power assembly, a lifting assembly and an electric control assembly, wherein the power assembly and the lifting assembly achieve isodirectional linkage with the carrier; the electric control assembly is electrically connected with the power assembly; the power assembly drives the lifting assembly to move up and down; the lifting assembly comprises a driving part, an upper driven climbing part and a lower driven climbing part which are connected into a whole; the back surfaces of the driving part, the upper driven climbing part and the lower driven climbing part are all hinged with a limiting rolling part; climbing chain wheels are arranged on both the upper driven climbing part and the lower driven climbing part; the driving part is located between the upper driven climbing part and the lower driven climbing part and drives the climbing chain wheels on the upper driven climbing part and the lower driven climbing part to rotate; the electric control assembly comprises a program control panel and a switch handle; and the switch is used for controlling the operation of the power assembly. The safe lifting appliance has the advantages of being high in safety and wide in application scope and having functions of solving crises and escaping.
Owner:SHANDONG MINGYUAN INTELLIGENT EQUIP TECH CO LTD
Cable hoisting device
InactiveCN112694009AReduce sheddingImprove lifting safetySafety gearEngine lubricationElectric machineryHoist device
Owner:陕西安易信息科技有限公司
Lifting tool special for steel plates
InactiveCN108726363AWon't fall offImprove lifting safetyLoad-engaging elementsSheet steelArchitectural engineering
The invention discloses a lifting tool special for steel plates. The lifting tool special for steel plates comprises a bearing screw rod and two opposite lifting plates. The inner walls of the two lifting plates are both provided with steel plate positioning components, each steel plate positioning component includes a fixed plate fixed on the inner wall of the lifting plate and a lower positioning plate disposed at the lower end of the lifting plate, a circular upper positioning plate is disposed right above the lower positioning plate, the fixed plate is equipped with a first threaded hole,an adjusting screw rod passes through the threaded hole, the lower end of the adjusting screw rod is connected to the upper positioning plate, the upper parts of the two lifting plates are both equipped with second threaded holes, both ends of the bearing screw rod penetrate the second threaded holes on the two lifting plates respectively, and the middle part of the bearing screw rod is equipped with a hook. The lifting tool special for steel plates provided by the invention is convenient and fast for lifting of steel plates.
Owner:TONGCHENG YUNCHENG PLATEMAKING
Double-column lift with holding and locking type tray
The invention relates to a double-column lift with a holding and locking type tray. The double-column lift comprises two vertical columns. Lead screws are arranged in the vertical columns. Sleeves are arranged on the lead screws in a matched mode. Bearing arms are fixed to the inner side faces of the sleeves. Lifting arms are hinged to the two ends of each bearing arm respectively. The other end of each lifting arm is communicated with a rotary shaft. A C-shaped frame with an upward opening is fixed to the upper end of each rotary shaft. S-shaped plates are hinged to the upper portions of the two upwards-tilting sides of each C-shaped frame respectively, and the upper portions are hinged to the middles of the S-shaped plates. The portions, located on the inner sides of the C-shaped frames, of the S-shaped plates are bent downwards, and the portions, located on the outer sides of the C-shaped frames, of the S-shaped plates are bent upwards. The C-shaped frames adapting to the shapes of longerons on the sides of an automobile chassis are adopted as supporting structures, the surrounding degree to an automobile is increased, the situation that the automobile slides laterally on lifting arms can be effectively avoided, lifting safety is greatly improved, the automobile chassis is further protected, and the supporting stability is improved.
Owner:HEFEI YIHANG MACHINERY TECH CO LTD
Lifting device for motor shell assembly
PendingCN112723185AAdjust the lifting heightQuickly adjust the lifting heightManufacturing dynamo-electric machinesCranesElectric machineryEngineering
The invention discloses a lifting device for motor shell assembly and a lifting device for motor shell assembly. The lifting device comprises a supporting seat and a vertical rod fixed to the surface of a base at the top end of the supporting seat, wherein an embedding sleeve is fixed to the top end of the vertical rod, a rotating rod is rotationally arranged in the embedding sleeve, a first lifting arm is fixed to one end of the rotating rod, a second lifting arm is arranged at one end of the first lifting arm in a sliding and telescopic mode, a traction device is arranged between the second lifting arm and the first lifting arm, a sliding sleeve is fixed to the surface of one end of the second lifting arm, and a first servo motor is installed on the surface of a support at one end of the rotating rod. According to the lifting device, the rotating rod and a translation assembly are adjusted through a winding assembly to be used in cooperation, the lifting height of one end of the second lifting arm can be rapidly adjusted, and the operation is simple and convenient; and secondly, a rolling supporting rod can be controlled to be unfolded by driving a telescopic device, so that the gravity center of the device is prevented from deviating and collapsing in the lifting process, and the lifting safety is improved.
Owner:CHONGQING KECEN MOTOR MFG
Steel plate lifting appliance
The invention discloses a steel plate lifting appliance. The steel plate lifting appliance comprises a balance beam, at least one group of upper lifting lugs symmetrically arranged on the top surface of the balance beam relative to the middle of the balance beam, at least two groups of lower lifting lugs symmetrically arranged on the bottom surface of the balance beam relative to the middle of the balance beam, a sling connected with the upper lifting lugs as well as electromagnet discs connected onto the lower lifting lugs. According to the steel plate lifting appliance, the lower lifting lugs are symmetrically arranged on the balance beam, the electromagnet discs are arranged on the lower lifting lugs for fixing steel plates, so that the steel plates are absorbed through symmetric magnetic force in a lifting transportation process and are fixedly more reliably, further, the steel plates bear the symmetric magnetic force, the balance performance in the lifting transportation process is better, and the lifting transportation safety is higher; multiple groups of lower lifting lugs are arranged on the balance beam, accordingly, the suspending positions of the electromagnet discs can be changed according to the lengths of the lifted steel plates, the steel plates with different lengths can be lifted, and the universality is better.
Owner:CHONGQING BAOHUI BUILDING MATERIAL CO LTD
Installation construction method of prefabricated steel structural member of prefabricated building
ActiveCN110965641AImprove lifting safetyStrong lifting stabilityBuilding constructionsArchitectural engineeringSurface preparation
The invention relates to an installation construction method of a prefabricated steel structure component of a prefabricated building. The installation construction method comprises the following steps: S1, installing a box column connecting part; S2, placing the steel structural component: placing the steel structural component subjected to surface treatment on a bearing plate mounted at the topof a hoisting vertical plate, and locking the steel structural component through a locking mechanism mounted on a bearing plate; S3, making hoisting preparation of the steel structural component; S4,hoisting the steel structural component; S5, installing the steel structural component; S6, welding the steel structural component. The locking mechanism comprises a locking vertical plate, a lockingbolt, a locking clamping plate, a guide sliding rod, a sliding rod spring, a guide support and a guide roller. The problems that when an H-shaped steel structural component is installed on an existingbox column, the steel structural component can only be singly hoisted and installed, the installation efficiency is low, the steel structural component is unstable during hoisting, and certain potential safety hazards exist can be solved.
Owner:广东省城规建设监理有限公司
Weight-balancing type lifting method and equipment
The invention relates to a gravity balance type hoisting method and a hoisting apparatus -a gravity balance type hydraulic hoist for hoisting heavy articles in different complicated terrains in field. The gravity balance type hydraulic hoist is composed by employing a general hydraulic hoist as the machine body, and mounting a gravity balance type hydraulic hoist and a moving counterweight on the machine body. The gravity balance type hydraulic hoist is composed of collapsible hoisting arms, hoisting arm bases, a master hydraulic winch and a slave hydraulic winch. The collapsible hoisting arms of the gravity balance type hydraulic hoist are mounted on the hoisting arm bases in a lever form, and the gravity balance type hydraulic hoist has multiple hoisting forms such as collapsible arm hoisting, balance hoisting, gantry hoisting, and tower hoisting. When hoisting a heavy article, the collapsible hoisting arms employ the balance moment balance portions of the master and slave balance hoisting arms to hoist the gravity moment of the heavy article according to the lever balance principle, thereby lowering the overturning moment of the gravity balance type hydraulic hoist body exerted by the gravity moment of the hoisted heavy article. Therefore, the invention is very suitable for use in special construction fields and special hoisting work of construction engineering of water conservancy, electric power, petrochemical industry and metallurgical industry.
Owner:陈炯
Anti-falling climbing mechanism
InactiveCN105197727AWith self-locking functionImprove lifting safetyElevatorsBuilding liftsElectricityEngineering
The invention provides an anti-falling climbing mechanism which includes a carrier, a power component, a lifting component, extending guide rails and an electronic control component, wherein the power component and the lifting component are ganged with the carrier in the same direction; the lifting component cooperates with the extending guide rails in a spiral manner; the electronic control component is electrically connected with the power component; the power component drives the lifting component to move up and down along the extending guide rails. The anti-falling climbing mechanism is high in safety and wide in application range, has the advantages of eliminating danger and helping escape, and belongs to the technical field of lifting equipment.
Owner:NINGBO TIANHONG POWER APPLIANCE
Crane ship and hoisting operation method
ActiveCN110696976AFacilitate combined lifting operationsWide operating efficiencyCargo handling apparatusPassenger handling apparatusStructural engineeringStern
The invention relates to a crane ship and a hoisting operation method, and belongs to the technical field of ships. The crane ship comprises a semi-submersible main ship body and a plurality of cargobooms detachably mounted on the main ship body, a ballast tank is arranged in the main ship body, and a telescopic full-revolving propeller is mounted at the bottom of the bow of the main ship body. Afull-revolving propeller is mounted at the bottom of the stern of the main ship body, each hoisting arm comprises a hoisting beam and a bearing piece arranged at the end part of the hoisting beam, and the hoisting beam can transversely move along the main ship body. The end part of the hoisting beam transversely extends out of the main ship body during hoisting operation, and the bearing piece can vertically rise and fall relative to the hoisting beam through hydraulic drive. The crane ship can be dynamically positioned in an operation area, the bearing piece extends out to an operation position through the transverse extending of the hoisting beam, and the bearing piece is hydraulically driven to vertically rise and fall to be matched with the ballast adjustment, so that the hoisting operation can be quickly completed. The crane ship can work separately and can also work together with other crane ships. The operation method is flexible and high in operation efficiency.
Owner:CIMC OFFSHORE ENG INST +3
Lifting device in track structure
InactiveCN105502204AWith self-locking functionImprove lifting safetyLifting framesElectricitySimulation
The invention provides a lifting device in a track structure. The lifting device comprises an installation rack, wherein a carrier, a power assembly, a lifting assembly and an electronic control assembly are installed on the installation rack; the power assembly and the lifting assembly achieve linkage in the same direction with the carrier; the electronic control assembly is electrically connected with the power assembly; the power assembly drives the lifting assembly to move up and down; the electronic control assembly comprises a program control panel and a switch handle; the switch handle is used for controlling the operation of the power assembly. The lifting device has the advantages that the lifting device has high safety, a wide range of application, the function of resolving the crises and the escape function and belongs to the technical field of lifting equipment.
Owner:NINGBO TIANHONG POWER APPLIANCE
Method for monitoring tower crane by utilizing high-speed photogrammetric technology
ActiveCN110068284AImprove lifting safetyImprove securityUsing optical meansCranesMoving speedMathematical model
The invention provides a method for monitoring a tower crane by utilizing high-speed photogrammetric technology. The method comprises the following steps: acquiring images in a cargo beam movement process of a standard crane tower by using a high-speed camera so as to form a monitoring image; computing a relationship between the cargo beam movement speed and an image matrix change coefficient in the adjacent image interval, and establishing a mathematical model; acquiring the cargo beam movement speed and the theoretical image matrix change coefficient in the interval between the first image and the second image in the carbo beam movement process of the current crane tower; computing the actual image matrix change coefficients of the current two images; and giving an alarm to a user side when the difference between the theoretical image matrix change coefficient and the actual image matrix change coefficient is greater than a predetermined threshold. The cargo beam movement image is shot through the high-speed photogrammetric technology, and the image parameters are modelled and monitored, thereby monitoring the state of the crane tower when the cargo beam moves, and improving thesecurity of the crane tower.
Owner:BEIJING UNIVERSITY OF CIVIL ENGINEERING AND ARCHITECTURE
Sling chain for crane
InactiveCN107934738ARealize automatic lockingImprove securityLoad-engaging elementsEngineeringLocking plate
The invention discloses a sling chain for a crane, and belongs to the technical field of cranes. The sling chain for the crane comprises pressure locking plates. Each pressure locking plate comprisesa bending plate and pressure blocks. Every two adjacent pressure locking plates are connected through a sling rope to form a hanging locking device for the crane. When a cylindrical object is hoisted,the locking plates elastically fasten the cylindrical object. Each pressure block comprises a stepped block, a limiting block and a bottom plate, wherein a stepped through hole is formed in the limiting block, the stepped block is matched in the limiting block through the stepped through hole, the bottom plate is fixed to the wide opening end of the limiting block through a bolt, and an elastic element is matched between the bottom plate and the stepped block. The pressure locking plates are used for locking the cylindrical object, the effect that the pressure locking plates can be tightly attached to the cylinder when the cylindrical object is hoisted and shaken is guaranteed, and the effect that the cylindrical object does not fall off is guaranteed.
Owner:ANHUI DEMATGC CRANES&COMPONENTS
Anti-sliding transformer supporting device
InactiveCN111606191AEasy to liftPrevent accidental slipsTransformers/reacts mounting/support/suspensionWinding mechanismsRight triangleTransformer
The invention discloses an anti-sliding transformer supporting device. Two connecting sets which are symmetrically arranged front and back are arranged between an upper supporting seat and a lower supporting seat, each connecting set comprises a pair of cuboid-shaped connecting plates which are symmetrically arranged left and right, a plurality of right triangle-shaped anti-sliding blocks which are continuously distributed up and down are correspondingly formed on the close end surfaces of the pair of connecting plates of the same connecting set, the inclined surface of the anti-sliding blockon the left side inclines upwards from left to right, the inclined surface of the anti-sliding block on the right side inclines upwards from right to left, anti-sliding inserting plates are arranged in vertical guide grooves in a left-right elastic moving mode, the left end of the anti-sliding inserting plate on the left side is formed into an inclined surface inclining upwards from left to right,the right end of the anti-sliding inserting plate on the right side is formed into an inclined surface inclining upwards from right to left, and the inclination angle of an inclined plane of the anti-sliding inserting plate is the same as that of the inclined plane of the anti-sliding block on the corresponding side.
Owner:浙江正宇智邦科技有限公司
Intelligent safety lifting equipment
InactiveCN104860161BWith self-locking functionImprove lifting safetyBuilding liftsElectricityEngineering
The invention discloses an intelligent safety lifting device, and belongs to the technical field of lifting devices. The intelligent safety lifting device comprises a carrier, a power component, a lifting component, an extension guide rail and an electric control component, the power component and the lifting component are fixed on the carrier, the lifting component is matched with the extension guide rail, the electric control component is electrically connected with the power component, the power component is linked with the lifting component and drives the lifting component to vertically move along the extension guide rail, and the lifting component is in threaded fit with the extension guide rail. The intelligent safety lifting device is high in safety and wide in application range and has the advantages of crisis removal, escape function and the like.
Owner:NINGBO TIANHONG POWER APPLIANCE
A lifting protection device for an explosion-proof dump truck
ActiveCN108859909BPlay a buffer roleSmooth liftSignalling/lighting devicesVehicle with tipping movementVehicle frameThrough transmission
Owner:江苏中商碳素研究院有限公司
A method for installation and construction of prefabricated steel structure components in prefabricated buildings
ActiveCN110965641BImprove lifting safetyStrong lifting stabilityBuilding constructionsClassical mechanicsPhysics
Owner:广东省城规建设监理有限公司
Safety lifting device for track structure
InactiveCN105775971BWith self-locking functionImprove lifting safetyElevatorsBuilding liftsElectricityPower component
The invention provides a safety lifting device with a track structure. The safety lifting device comprises a mounting rack and a guide rail, wherein a carrier, a power component, a lifting component and an electric control component are arranged on the mounting rack; the power component and the lifting component are linked with the carrier in the same direction; the electric control component is electrically connected with the power component; the power component drives the lifting component to move up and down; the electric control component comprises a program control board and a switch handle; and the switch handle controls the operation of the power component. The safety lifting device with the track structure has the advantages of being high in safety and wide in application range, having crisis resolving and escape functions and the like, and belongs to the technical field of lifting equipment.
Owner:NINGBO TIANHONG POWER APPLIANCE
Power lifting integrated driving system for electric tricycle
PendingCN113483071AEasy to operateFlexible useControlled membersGearingWireless controlElectric machine
The invention discloses a power lifting integrated driving system for an electric tricycle. The power lifting integrated driving system comprises a control module, a gearbox, an electric control gear shifting module, a power motor and a controller, and is characterized in that an input end of the gearbox is in transmission connection with an output end of the power motor, an input end of a driving mechanism and an input end of a lifting mechanism of the electric tricycle are in transmission connection with an output end of the gearbox, the electric control gear shifting module is in transmission connection with the gearbox to adjust the gears of the gearbox, so that the gearbox selectively outputs power to the driving mechanism and the lifting mechanism, and the control module, the electric control gear shifting module and the power motor are electrically connected with the controller. According to the power lifting integrated driving system for the electric tricycle, the working mode of the controller and gear selection of the gearbox are switched through an electronic switch, the running mode and the lifting mode of the tricycle are conveniently and rapidly switched, the lifting function of the tricycle is controlled through a wireless control module, operation is flexible and convenient, and meanwhile, the lifting safety is improved.
Owner:山东五星车辆股份有限公司
An anti-single ring lifting device
ActiveCN106968619BSingle hanging preventionImprove lifting safetyDrilling rodsDrilling casingsMarine engineeringOil drilling
The invention discloses a single-hoisting-ring hoisting prevention device and belongs to the technical field of oil drilling equipment. The single-hoisting-ring hoisting prevention device comprises stopping blocks arranged in lower slots of hoisting lugs, and is characterized in that the stopping blocks are fixed in the lower slots through first rotating shafts and provided with sensing components for monitoring the positions of hoisting rings, and trigger blocks are arranged on the inner walls of the lower slots; and the device further comprises a single-hoisting prevention component which comprises a controller, and the controller is connected with the sensing components in a radio mode and used for receiving signals sent by the sensing components to control starting and stopping of traveling blocks. The device can accurately judge whether hoisting rings on the two sides of a lift sub enter hoisting lug holes or not and then send commands for hoisting or non-hoisting, single-hoisting-ring hoisting can be effectively prevented, and hoisting safety is improved.
Owner:CHENGDU ZHUOXIN IND
Rail-Based Climbing Robot
ActiveCN105539625BWith self-locking functionImprove lifting safetyBuilding liftsVehiclesEngineeringSprocket
Owner:NINGBO TIANHONG POWER APPLIANCE
Lifting equipment with fall protection
InactiveCN105502132BWith self-locking functionImprove lifting safetyElevatorsBuilding liftsElectricityEngineering
The invention provides lifting equipment with the falling preventing function. The lifting equipment comprises an installation rack, a carrier, a power assembly, a lifting assembly and an electronic control assembly, wherein the power assembly and the lifting assembly achieve linkage in the same direction with the carrier; the electronic control assembly is electrically connected with the power assembly; the power assembly drives the lifting assembly to move up and down; the lifting assembly comprises a driving part, an upper driven part and a lower driven climbing part, which are connected into one; limiting rolling parts are hinged on the backs of the driving part, the upper driven part and the lower driven climbing part; climbing chain wheels are arranged on the upper driven part and the lower driven climbing part; the driving part is arranged between the upper driven part and the lower driven climbing part and drives the climbing chain wheels on the upper driven part and the lower driven climbing part to rotate; the electronic control assembly comprises a program control panel and a switch handle; the switch handle is used for controlling the operation of the power assembly. The lifting equipment has the advantages that the lifting equipment has high safety, a wide range of application, the function of resolving the crises and the escape function and belongs to the technical field of lifting equipment.
Owner:NINGBO TIANHONG POWER APPLIANCE
Internet of Things lifting posture correcting chair control system
PendingCN111150250AImprove high convenienceImprove lifting safetyStoolsAdjustable chairsPhysicsAir spring
The invention belongs to the field of intelligent child learning chairs, and particularly relates to an Internet of Things lifting posture correcting chair control system. The system comprises a standcolumn and an inner pipe sleeved with the stand column. The inner pipe and the stand column are connected in a telescopic mode. A lockable gas spring is sleeved in the inner pipe; wherein a fixed endof the lockable gas spring is fixedly connected with the inner pipe; the power end of the lockable air spring is fixedly connected with the end, away from the inner pipe, of the stand column. A thinrod of the lockable gas spring penetrates through the stand column; a handle cap is arranged at the end, away from the inner pipe, of the stand column, the thin rod penetrates through the handle cap,a switch flexible plate used for controlling the thin rod is arranged on the handle cap, the switch flexible plate and the handle cap are arranged in a coupling mode, remote and short-range detectionand control over the safety performance of the air spring are achieved, and the safety of teenagers using products is protected all the time.
Owner:山东光明园迪儿童家具科技有限公司
Weight-balancing type lifting method and equipment
The invention relates to a gravity balance type hoisting method and a hoisting apparatus, a gravity balance type hydraulic hoist, for hoisting heavy articles in different complicated terrains in field. The gravity balance type hydraulic hoist is composed by employing a general hydraulic hoist as the machine body, and mounting a gravity balance type hydraulic hoist and a moving counterweight on the machine body. The gravity balance type hydraulic hoist is composed of collapsible hoisting arms, hoisting arm bases, a master hydraulic winch and a slave hydraulic winch. The collapsible hoisting arms of the gravity balance type hydraulic hoist are mounted on the hoisting arm bases in a lever form, and the gravity balance type hydraulic hoist has multiple hoisting forms such as collapsible arm hoisting, balance hoisting, gantry hoisting, and tower hoisting. When hoisting a heavy article, the collapsible hoisting arms employ the balance moment balance portions of the master and slave balance hoisting arms to hoist the gravity moment of the heavy article according to the lever balance principle, thereby lowering the overturning moment of the gravity balance type hydraulic hoist body exerted by the gravity moment of the hoisted heavy article. Therefore, the invention is very suitable for use in special construction fields and special hoisting work of construction engineering of water conservancy, electric power, petrochemical industry and metallurgical industry.
Owner:陈炯
Lifting device
PendingCN113955633AImprove lifting safetyImprove lifting efficiencyLoad-engaging elementsFastenerIndustrial engineering
The invention relates to the technical field of lifting equipment, and discloses a lifting device. The lifting device comprises a lifting piece, a first sleeve, a second sleeve, a first fastener and a second fastener; the lifting piece comprises a lifting plate and a lifting arm which are connected; the lifting arm is used for being connected with a crane; the first sleeve is used for being in threaded connection with a first cylinder cover bolt of a cylinder cover to be lifted; the second sleeve is used for being in threaded connection with a second cylinder cover bolt of the cylinder cover to be lifted; the first fastener is used for being detachably connected with the lifting plate and the first sleeve; and the second fastener is used for being detachably connected with the lifting plate and the second sleeve. The lifting device provided by the invention has the advantages of high lifting safety, high lifting efficiency, no need of machining a lifting hole in an existing cylinder cover, adjustable lifting acting force applying position and low lifting cost.
Owner:CSSC POWER INST CO LTD
Crane capable of stably assembling and disassembling precision mold
ActiveCN111891911APrevent lifting and skidding problemsImprove lifting safetyBase supporting structuresBraking devices for hoisting equipmentsRatchetControl engineering
The invention discloses a crane capable of stably assembling and disassembling a precision mold. The crane comprises a machine body. The bottom surface of the machine body is fixedly provided with tworight-and-left symmetrical supporting columns. The bottom surfaces of the supporting columns are provided with two front-and-rear symmetrical moving wheels in a rotating mode. The interior of the machine body is provided with a lifting chamber with a downward opening. A lifting shaft is arranged between the left and right walls of the lifting chamber in a rotating mode. The periphery of the lifting shaft is fixedly provided with a lifting rolling cylinder. The periphery of the lifting rolling cylinder is fixedly provided with lifting spiny blocks and a lifting chain. By adopting a buckled connection between the lifting chain and the lifting spiny blocks, the crane capable of stably assembling and disassembling the precision mold can avoid the problem that a hanging rope slides when lifting due to the smooth surface of the lifting rolling cylinder in the lifting process of the lifting chain. At the same time, the crane can avoid the problem of crane failure and mold drop caused by a heavy mold in the lifting process by adopting ratchet restriction and clamping emergency braking, which greatly improves the lifting safety effect.
Owner:江西亚中电子科技股份有限公司
Hoisting device for heavy drilling tool
PendingCN113845009AEasy to operateMeet the needs of construction workLoad-engaging elementsMarine engineeringHoist device
The invention relates to the technical field of drilling tool hoisting, and provides a hoisting device for a heavy drilling tool. The hoisting device comprises a hoisting tool main body, a crane connecting piece and a hoisting object connecting piece. The hoisting tool main body comprises a barrel. The upper end of the barrel is connected with a horizontal plate. Two opposite vertical plates are arranged on the horizontal plate. The crane connecting piece comprises two pin shafts. The two pin shafts are horizontally inserted between the two vertical plates and are in hanging fit with a door type crane hook head. The hoisting object connecting piece comprises a hoisting disc. The hoisting disc is arranged at the lower end of the barrel, and an opening of the hoisting disc is downward. The opening is in clamping fit with a connector on the drilling tool. The hoisting device has the beneficial effects that the hoisting device is simple and convenient to operate, various problems caused by adoption of a traditional steel wire rope can be effectively avoided, the construction work requirement is met, the hoisting safety is improved, the work time is saved, and meanwhile the work labor intensity is reduced.
Owner:CHINA COAL SPECIAL DRILLING ENG +1
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