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49results about How to "Improve hoisting efficiency" patented technology

Lifting appliance for lifting prefabricated square block

The utility model relates to a lifting appliance for lifting a prefabricated square block, which belongs to the technical field of lifting appliances and comprises a lifting rod, a connecting rod, a rotating block and an adjusting piece, wherein at least one lifting rod is arranged, the top of the lifting rod is used for being connected with a first lifting hook, and the lower portion of the lifting rod is used for stretching into a lifting hole in a prefabricated square block to lift the prefabricated square block; the connecting rods are mounted between the adjacent suspenders and used for connecting the suspenders; a through hole is formed in the lower portion of the suspender, and the rotating block is installed in the through hole and rotatably connected with the suspender. The rotating block has an opening state and a folding state; the suspender is hollow, and the adjusting piece is arranged in the suspender, connected with the rotating block and used for adjusting the state of the rotating block. According to the lifting appliance for lifting the prefabricated square block, through the arrangement of the rotating block and the adjusting piece, it can be ensured that the prefabricated square block can be lifted more rapidly, operation such as lifting, positioning and mounting of the prefabricated square block can be completed rapidly, and the lifting efficiency of the prefabricated square block is greatly improved.
Owner:NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG +1

Steel lined tetrafluoroethylene tank with built-in reinforcing structure

This utility model discloses a PTFE-lined steel storage tank with an internal reinforcing structure, relating to the technical field of PTFE-lined steel storage tanks. It includes a tank body with a reinforcing assembly installed inside. The reinforcing assembly enhances the stability of the tank body and includes a cross-shaped support frame, a first stabilizing plate, a second stabilizing plate, a third stabilizing plate, and a fourth stabilizing plate. The first, second, third, and fourth stabilizing plates are respectively installed at one end of the cross-shaped support frame and fixed to the inner wall of the tank body. This utility model, by fixing the first, second, third, and fourth stabilizing plates to the inner wall of the tank body, provides internal support for the tank body, thereby increasing its stability and pressure resistance.
Owner:JIANGSU YAFLON ANTICORROSION TECH CO LTD

Hoisting tool for heat treatment of machine tool guide rail

The utility model provides a machine tool guide rail heat treatment hoisting tool, which belongs to the field of machine tool equipment, and comprises a machine tool body, a hoisting moving assembly arranged on the surface of the machine tool body and a cooling and dedusting assembly arranged on the surface of the machine tool body, the device comprises a support, the top of the support is detachably connected with a shell, the interior of the shell is detachably connected with a motor, one end of the motor is provided with a winding roller, and the surface of the winding roller is movably connected with a mooring rope. The rotating shaft drives the winding roller with one end in matched connection to release and wind the cable, one end of the cable is installed on the guide rail body, and therefore the cable is convenient to hoist, the overall moving and hoisting performance of the machine tool guide rail heat treatment hoisting tool is high when the machine tool guide rail heat treatment hoisting tool is used, and the overall hoisting convenience is improved.
Owner:YANCHENG CHUNQIU PRECISION MASCH CO LTD

A method of connecting a concrete arch rib foot segment to an abutment

ActiveCN121473222BQuick Locate Connectionshorten the time
The application provides a connecting method for a concrete arch rib arch foot segment and an arch seat, comprising the following steps: S1, fixing arch rib embedded steel plates and arch rib embedded positioning pieces at the bottom of the arch foot segment of the arch rib at intervals, and fixing arch seat embedded steel plates and arch seat embedded positioning pieces on the arch seat; S2, hoisting the arch foot segment to the arch seat, so that the arch seat embedded positioning pieces and the arch rib embedded positioning pieces are in contact, and full welding is adopted to weld the arch rib embedded steel plates and the arch seat embedded steel plates by using connecting steel plates; S3, disconnecting the arch foot segment and the hoisting device, and then welding the arch seat embedded steel bars on the arch seat and the arch rib embedded steel bars of the arch foot segment; S4, after the remaining segments of the arch rib are installed and the arch rib closure is completed, welding the contact surfaces of the arch rib embedded positioning pieces and the arch seat embedded positioning pieces firmly; and S5, pouring concrete at the sealing foot area of the arch seat and the bottom end of the arch foot segment, so as to realize the connection of the arch seat and the arch foot segment. The method can realize the rapid positioning and connection of the arch foot segment and the arch seat.
Owner:GUANGXI ROAD & BRIDGE ENG GRP CO LTD

A protective fence hoisting jig

The present application belongs to the technical field of hoisting of protective fences, and solves the problems of poor hoisting stability and low efficiency of the prior art. The present application provides a hoisting jig for protective fences, comprising: a suspension wheel connectable with a crane; a sling suspended on the suspension wheel; a high-position hanger connected with the higher end of the sling; a low-position hanger arranged on one side of the high-position hanger; a connecting assembly rotatably connecting the high-position hanger and the low-position hanger and connecting the lower end of the sling with the low-position hanger; the height of the high-position hanger is greater than the height of the low-position hanger; the connecting assembly enables the high-position hanger and the low-position hanger to have a hoisting state of being locked back-to-back and a docking state of being distributed front-to-back in the length direction of the protective fence. The device improves the hoisting stability and construction efficiency of the protective fence by simultaneously hoisting two protective fences and assisting in docking.
Owner:CHINA RAILWAY NO 3 GRP CO LTD +1

A single-beam tire-mounted gantry crane

ActiveCN224450097UEasy to walklose weightVehicle frameMarine engineering
A single-girder tire-mounted gantry crane includes a main girder with outriggers fixed at both ends. A trolley traveling mechanism is located at the bottom of each outrigger. A lifting trolley is mounted on the main girder, and a lifting device is located below the trolley, connected to it via wire ropes. The crane also includes a control system and a power generation mechanism. The lifting trolley includes a trolley frame with wheels mounted at its bottom and a trolley traveling motor fixed to it. A first and second lifting drum are fixed to the top of the trolley frame. A crossbeam is located below the main girder, with a hook fixed to its bottom. Pulley assemblies are fixed at both ends of the crossbeam, connected to the first and second lifting drums via wire ropes. The trolley traveling mechanism is a tire-mounted type. This invention has a simple structure and is easy to use.
Owner:ARFACRANES CO LTD

Integral hoisting construction method for pre-buried anchor bolts of column equipment

ActiveCN118148378BReduce precision errorImprove positioning matchingArchitectural engineeringRebar
The application discloses a kind of tower equipment pre-buried anchor bolt integral hoisting construction methods, first, the positioning axis consistent with the axis of positioning mould is ejected along the center of equipment foundation;After installing vertical support, positioning mould is hoisted as a whole, and each anchor bolt is sequentially assembled into the mounting hole of positioning mould, so that positioning mould and anchor bolt are connected into a whole in the air;The positioning mould and anchor bolt that have been assembled are hoisted into the equipment foundation insert bar, after anchor bolt anchor plate falls below horizontal support elevation, horizontal support construction is carried out, then positioning mould and anchor bolt are dropped to positioning mould support frame, anchor bolt is calibrated and reinforced, then steel binding, formwork installation and concrete pouring are carried out, equipment foundation construction is completed, and formwork is removed and positioning mould is removed.The application adopts positioning mould and anchor bolt integral assembly in the air, reduces the precision error generated by secondary assembly on site, and improves the pre-buried anchor bolt integral hoisting efficiency.
Owner:CHINA CHEM ENG SECOND CONSTR

A boiler drum utilizes a steel structure to pull into place a jack fixing frame and a beam under the frame base

This invention provides a jack fixing frame and a base beam under the frame for lifting and positioning a boiler drum using a steel structure, relating to the field of boiler drum hoisting technology. It includes a base beam under the frame and a jack fixing frame. The base beam is detachably connected to the top of the boiler steel frame body, used to bear the hoisting load of the jack and the boiler drum and transfer it to the boiler steel frame body. The jack fixing frame is installed above the base beam. This invention uses clamping steel beams on both sides of the limiting crossbeam to laterally clamp the boiler steel frame body, and the clamping steel beams of the limiting crossbeam and the clamping bolts to vertically clamp the hoisting longitudinal beam, forming a double fixation. Simultaneously, anti-slip pads are provided at the connection points to effectively prevent displacement and shaking of the base beam during hoisting, significantly improving the stability of the jack and the entire hoisting system, reducing safety hazards, and improving the reliability of the fixation compared to existing simple bolt fixing structures.
Owner:CHINA NAT CHEM ENG THIRD CONSTR

Bulk carrier with side cranes

ActiveCN224409557USmall modificationlow costHull structureBulk cargo
The utility model provides a bulk cargo ship with side-mounted cargo winch, and belongs to the shipbuilding technical field. The utility model discloses including ship body structure, the ship body structure is equipped with a plurality of cargo holds along the length direction, the top of cargo hold is equipped with hatch coaming, is provided with the folding hatch cover on the hatch coaming, the main deck of ship body structure is installed with a plurality of Z type's crane base, is installed with the cargo winch on the crane base, the crane base can expand the hoisting range of cargo winch. The utility model can install the crane on the side deck of bulk cargo ship, and satisfies the hoisting demand of all cargo holds.
Owner:HAIHUI OCEAN ENG TECH (ZHOUSHAN) CO LTD

A hoisting clamp for tapered concrete

The utility model relates to a kind of hoisting fixture of conical concrete, comprising: fixed plate, fixed plate is used to stabilize whole hoisting fixture;Multiple clamping components, multiple clamping components are symmetrically set in the both ends of fixed plate, and respectively with the both ends of fixed plate hinged, multiple clamping components work together, for clamping to conical concrete;Moving assembly, moving assembly is installed on fixed plate, moving assembly is respectively hinged with multiple clamping components, moving assembly adjusts the distance between multiple clamping components when hoisting fixture works, to clamp conical concrete;Lifting assembly, lifting assembly is installed on the top of fixed plate, and is connected with moving assembly, lifting assembly is used to provide lifting point for the hoisting operation of hoisting fixture.Design clamping component and moving assembly, the state of clamping component is adjusted by moving assembly, realize the clamping and put down of conical concrete quickly, and cooperate with lifting assembly, facilitate the use of whole hoisting fixture, improve hoisting efficiency.
Owner:SINOPEC OILFIELD SERVICE CORPORATION +1

A special tool for hoisting a stack of steel plates

ActiveCN224394408UImprove hoisting efficiencyadjustable sizeLoad-engaging elementsScrew threadWire rope
The utility model discloses a special tool of hoisting into a pile of steel sheet, including first L type frame, the right side swing installation of first L type frame has the second L type frame, the front end swing installation of second L type frame has the third L type frame, the left side swing installation of third L type frame has the fourth L type frame, the inside of first L type frame is set up with first limit expansion hole, the inside left side fixed mounting of first limit expansion hole has first connecting bearing, the inside of first connecting bearing is provided with first adjusting screw rod, the inside right side swing installation of first limit expansion hole has first limit expansion rod, the inside of second L type frame is set up with second limit expansion hole. The utility model discloses a first L type frame, second L type frame, third L type frame and fourth L type frame and steel wire rope and hook cooperation constitute hoisting tool, and then hoist the steel sheet of the pile board and its above, improve the hoisting efficiency of steel sheet.
Owner:BAOTOU IRON & STEEL (GROUP) CO LTD

Integral hoisting vertical type prefabricated external wall panel storage and transportation frame and hoisting method

The invention discloses an integral hoisting vertical type prefabricated external wall panel storage and transportation frame and a hoisting method. The integral hoisting vertical type prefabricated external wall panel storage and transportation frame comprises a frame body, a base, an operation platform, a crawling ladder and a leaning limiting body. Due to the vertical storage design of the components, the storage space is saved, and the component storage rate is increased. And by arranging the leaning limiting body, one-time quick placement of the prefabricated external wall panel is achieved. And by arranging the battens and the rubber strips, rigid collision of the prefabricated external wall panel is avoided, and component damage caused in the hoisting and transporting process is reduced. And through the overall hoisting, storing and transporting frame, the multiple prefabricated external wall panels can be carried at the same time, and the carrying efficiency is greatly improved. The method is suitable for being applied to prefabricated buildings and has important practical value and popularization and application prospects.
Owner:ANHUI CONSTR ENG CONSTR IND CO LTD +1

Special span-adjustable lifting appliance for machining urban rail train framework

ActiveCN224185690UImprove hoisting efficiencyavoid deformationSafety gearChain linkRail transit
The utility model relates to the technical field of rail transit vehicle tools, and discloses a span-adjustable special lifting appliance for machining an urban rail train framework, which comprises a middle beam, a fixing plate is fixedly connected to the periphery of the middle beam, a first connecting buckle is rotatably connected to the top of the fixing plate, a first chain is mounted in the middle of the first connecting buckle, and a second chain is mounted in the middle of the second connecting buckle. A lifting ring is installed at one end of the chain, a connecting plate is slidably connected to the periphery of the middle beam, a second connecting buckle is rotatably connected to the bottom of the connecting plate, a second chain is installed in the middle of the second connecting buckle, and a telescopic mechanism is installed in the middle of the middle beam. According to the utility model, through the mutual cooperation of the middle beam, the hanging beam, the limiting holes, the limiting rods, the insertion holes, the fixing bolts, the positioning holes, the positioning rods, the connecting plates and the like, the length of the hanging beam can be adjusted in time according to the size of a framework needing to be hung, so that convenience is provided for hanging frameworks with different sizes, and the hanging efficiency is improved.
Owner:DALIAN UNISENSE TECH CO LTD

Integral hoisting device for large tower

ActiveCN224132514UImprove hoisting efficiencyLoad-engaging elementsControl engineeringTower
The overall hoisting device for the large tower comprises a hoisting block and first hoisting rings, the top end of the hoisting block is provided with a plurality of sets of first hoisting rings, the overall hoisting device further comprises a width adjusting assembly and a hoisting assembly, the bottom end of the hoisting block is provided with the width adjusting assembly, and the hoisting assembly is installed at the bottom end of the width adjusting assembly; when the hoisting device is used, the hoisting width of the hoisting assembly is adjusted through the width adjusting assembly according to the diameter of the tower, then the hoisting assembly is connected with the tower in a hanging mode, then the crane is connected with the first hoisting ring in a hooking mode, and the first hoisting ring is lifted through the crane, so that the hoisting block conducts overall hoisting and erecting on the tower through the width adjusting assembly and the hoisting assembly, and the hoisting efficiency is improved.
Owner:PINGMEI SHENMA CONSTR ENG GROUP

A cantilevered rotatable intelligent welding device based on double-sided double arc

ActiveCN224615491UImprove hoisting efficiencyImprove assembly efficiency
This utility model provides a cantilevered rotatable intelligent welding device based on a double-sided double-arc design, relating to the field of welding and cutting technology. The cantilevered rotatable intelligent welding device includes: a track, positioned beside the worktable; a base, positioned on the track, for reciprocating movement along the track; a column, fixed to the base; a cantilever, positioned on top of the column, rotatably connected to the column; a driver, positioned at the rotatable connection between the cantilever and the column, for driving the cantilever to rotate around the column; and a welding robot, positioned at the cantilever. By simply rotating the cantilever to a position parallel to the track, i.e. above the track, using the driver, the space above the worktable is free from any interference or obstruction, improving the efficiency of workpiece lifting and assembly while avoiding safety hazards caused by personnel working below the cantilever.
Owner:WUHU XINGJIAN INTELLIGENT ROBOT CO LTD

Multifunctional straddle carrier based on hydraulic control

The invention relates to the technical field, in particular to a multifunctional straddle carrier based on hydraulic control, which comprises a vehicle body base, walking wheels are arranged at four corners of the vehicle body base, the multifunctional straddle carrier further comprises a support frame, a movable hanging beam and a hydraulic hoisting mechanism, the support frame is n-shaped, and the support frame is fixedly arranged on the top surface of the vehicle body base; the movable hanging beam is movably arranged on the inner side of the supporting frame. The hydraulic hoisting mechanism is arranged on the top of the supporting frame and used for controlling lifting of the movable hoisting beam. The second auxiliary beam bodies can retract into the main beam body and can also extend out of the main beam body towards the two sides, so that the length of the lifting beam can be flexibly adjusted according to the length of a lifted object, the use flexibility of the device is greatly improved, the lifting stability of the object is improved, and the multifunctional lifting effect is achieved.
Owner:COSCO SHIPPING +1

A wind turbine blade tip demolding and cutting-free hoisting device

This utility model relates to the field of wind turbine technology and proposes a wind turbine blade tip demolding and cutting-free hoisting device. It includes a hoisting frame with an electric hoist installed inside, and further includes a hook, a slide, a lifting mechanism, a buffer head, and a moving mechanism. The hook is located at the bottom of the electric hoist. Two slides are provided, each slidably mounted within the hoisting frame via a sliding assembly. The sliding assembly supports the two slides for lifting and lowering within the hoisting frame. The lifting mechanism is mounted on the hoisting frame. Each slide has two buffer heads via two support mechanisms. The moving mechanism is located at the bottom of the hoisting frame. This technical solution addresses the problem in the prior art where, during the process of lifting the blade tip from the mold, the blade tip is prone to vibration and swaying due to the influence of the blade material, which damages the strength of the blade tip and easily leads to a decrease in hoisting stability.
Owner:CHENGDE ZHAOJING NEW MATERIAL TECHNOLOGY CO LTD

Energy supply box hoisting structure

The application provides a kind of energy supply box hoisting structure, belongs to energy supply box hoisting technical field, structure includes: bearing beam, including two cross beams and a longitudinal beam connected between two cross beams;Debugging component, including four respectively sliding fit in two cross beams two ends of slider;Slider lower end is connected with sling, its end is connected with lifting hook;Driving component, including two groups respectively set in longitudinal beam two sides of linear mechanism;First locking component, including two sliding fit in longitudinal beam on matching block, each matching block lower end is rotatably connected to a connecting rod;Longitudinal beam middle part is slidably provided with guide rod, the other end of two connecting rods is rotatably connected to the lower end of guide rod;Guide rod upper end is provided with lifting ring;Matching block upper end is connected with the strip plate located above bearing beam and arranged parallel to cross beam;Second locking component is used to fix two matching blocks when strip plate and two sliders on adjacent cross beam are separated by a predetermined distance.The hoisting structure can improve the hoisting efficiency and stability of energy supply box.
Owner:四川智能建造科技股份有限公司

A wind fan blade hoisting device and hoisting method capable of resisting wind and wave

The application provides a wind fan blade hoisting device and a hoisting method, which are resistant to wind and waves. The hoisting device comprises a hoisting beam, a supporting leg mechanism, a fastening mechanism and a lifting belt. Hoisting ears at the top of the hoisting beam are connected with a crane of a mounting platform through a steel wire rope. The hoisting beam comprises a longitudinal beam and transverse beams symmetrically arranged on both sides of the longitudinal beam. An adjusting mechanism is arranged below the transverse beams. Each of the transverse beams is provided with the lifting belt, the supporting leg mechanism and the fastening mechanism which are symmetrically arranged. The supporting leg mechanism, the fastening mechanism and the lifting belt are movably connected with the hoisting beam through the adjusting mechanism. The fastening mechanism is matched with the lifting belt to fasten the blade, so that the blade is connected with the hoisting device to form an integral whole. The application has good universality and can be applied to hoisting blades with different sizes. The application is resistant to wind and waves, can prevent damage to the blade during hoisting, and reduces the requirements for the hoisting environment and the hoisting cost.
Owner:JIANGSU HENGTONG LAND OCEAN ENG CO LTD

Quick light weight quick hitch lifting device

ActiveCN224394413UInhibit sheddingEasy to disassemble and separateLoad-engaging elementsMechanical engineeringHoist device
The utility model relates to hoist device technical field especially for quick light -duty fast formula hoist device, including hoist subassembly, the inside swing joint of hoist subassembly has the hook assembly, the inner wall of hook assembly and the outer wall swing joint of the ring assembly, the ring assembly passes through the suspender and the suspension frame installation connection, the hook assembly is located respectively in the inside of hoist subassembly close to the both ends, this device is provided with hook assembly and ring assembly, through placing the connecting ring in the hook of corresponding one end, and through the abutment of spacing piece and hook top surface, thereby the connecting ring is installed in the hook, avoids the falling of connecting ring in the process of hoisting, spacing piece through the sliding piece of two sides protruding, sliding piece slides upward and thereby spacing block is received in sliding box, and then removes the spacing of connecting ring, is convenient for the disassembly separation of ring assembly and hook assembly, and then realizes the effect that hoisting object is conveniently loaded and unloaded, further promotes the hoisting efficiency.
Owner:ZIBO ZALL WATER TREATMENT EQUIP CO LTD

Prefabricated part hoisting equipment and control system

The invention is applicable to the technical field of building machinery, and provides prefabricated part hoisting equipment and a control system, and the prefabricated part hoisting equipment control system comprises a counterweight control module, a dynamic state observation module, a control module and a control module, and is characterized in that the counterweight control module is connected with the dynamic state observation module; the processor is configured to process the initial height, the real-time swing amplitude, the real-time swing angular velocity and a preset stable threshold value based on a preset counterweight lowering distance control model so as to generate and output a target lowering distance of the counterweight mechanism; wherein the target lowering distance is used for driving the executing mechanism to adjust the vertical position of the balance weight mechanism on the lifting rope so as to restrain swinging of the prefabricated part in the lifting and moving process. According to the prefabricated part hoisting equipment control system, the counterweight control module can be tightly matched with the dynamic state observation module, and fine and self-adaptive adjustment of the position of the counterweight mechanism is achieved through real-time and accurate swing data provided by the counterweight control module.
Owner:ZHEJIANG SHANYING SHUNDA ENG MATERIALS CO LTD

External wall panel stripping and hoisting tool

The utility model relates to the technical field of fabricated buildings, in particular to an external wall panel stripping and hoisting tool which comprises a truss beam and a hoisting beam, the truss beam comprises an upper main beam and two lower main beams, the two lower main beams are arranged in parallel, the upper main beam is arranged above the lower main beams, the upper main beam is arranged at the central position between the two lower main beams, and the hoisting beam is arranged above the upper main beam. A truss beam lifting lug is arranged at the top of the upper main beam, fixing seats are correspondingly arranged on the outer sides of the two lower main beams respectively, the hoisting beam comprises a hoisting main beam, the hoisting main beam is fixedly connected to the fixing seats, and more than two hoisting beam lifting lugs are arranged at the bottom of the hoisting main beam. The external wall panel stripping and hoisting tool can meet the hoisting requirements of different large external wall panels, the applicability of the hoisting tool in assembly type civil buildings and assembly type industrial buildings is improved, and application and popularization of steel structure and concrete prefabricated part building systems can be accelerated.
Owner:SHENYANG ZHONGCHEN STEEL STRUCTURE ENG

A diaphragm wall concrete pouring guide pipe lifting device

ActiveCN116101911BImprove hoisting efficiencyPlay a self-locking roleHollow article cleaningHydro energy generationArchitectural engineeringWinch
This application relates to a lifting device for a concrete pouring duct in a seepage-proof wall, belonging to the field of concrete pouring technology for seepage-proof walls. It includes a base, a vertically mounted column on the base, a horizontal bar at the top of the column, a pulley on the horizontal bar, and a winch mounted on the base. A traction rope is wound around the winch's roller, passing over the pulley and connected to a lifting device for clamping the duct. The lifting device includes a lifting plate, a lifting rod, and a clamp. The lifting plate is connected to the traction rope, the lifting rod is rotatably connected to the bottom surface of the lifting plate, and steel wire ropes are connected to both ends of the lifting rod. The clamp is arc-shaped, and both ends of the clamp have through holes for the steel wire ropes to pass through. This application has the advantages of saving time and effort, and high efficiency in lifting ducts.
Owner:SHENGZHOU WANGXIN JINSHUI CONSTR INVESTMENT CO LTD

A vehicle-mounted logistics box lifting connection structure, lifting system and vehicle

This application provides a vehicle-mounted logistics box lifting connection structure, a lifting system, and a vehicle, relating to the field of logistics transportation device technology. The vehicle-mounted logistics box lifting connection structure includes a first connecting assembly and a second connecting assembly. The first connecting assembly is mounted on a boom and includes a connecting body, a first abutment member, and a second abutment member. The connecting body is connected to the boom. The first ends of the first and second abutment members are rotatably connected to the connecting body, and the second ends of the first and second abutment members are configured to magnetically attract each other. The second connecting assembly is mounted on the vehicle-mounted logistics box and includes a receiving cavity and a partition. The partition is configured to allow the second ends of the first and second abutment members to separate when the first connecting assembly is inserted into the receiving cavity. In a first state, the second ends of the first and second abutment members are separated and respectively used to abut against the vehicle-mounted logistics box.
Owner:BASHI LOGISTICS TECH (CHENGDU) CO LTD

A pre-tensioned prestressed frame assembly structure system and a construction method thereof

The application discloses a kind of pre-tension prestressed frame assembly structure system and its construction method, it includes concrete column, pre-tension prestressed thin bottom composite beam, pre-tension prestressed thin bottom composite board, post-tying steel framework and post-cast concrete, wherein, concrete column can be cast-in-place or prefabricated, column is made to floor place and reserves reinforcement and post-cast area;The pre-tension prestressed thin bottom composite beam is composed of prestressed steel strand, thinner concrete beam bottom plate, stirrup, beam reinforcing rib, wherein, prestressed steel strand is used as part of force longitudinal reinforcement, beam bottom plate is laid with non-prestressed reinforcement, non-prestressed reinforcement includes bottom and top longitudinal reinforcement, stirrup, wherein longitudinal reinforcement is anchored into concrete column, meets specification seismic requirement, enhances the overall performance and ductility of structure.The application is laid with steel reinforcement perpendicular to reinforcing rib on the bottom plate of pre-tension prestressed thin bottom composite board, reinforcing rib has hole, steel reinforcement can be passed through reinforcing rib, composite floor can be bidirectional force transmission, and the overall structure is comparable to cast-in-place.
Owner:JIANGSU WANDA CONSTR TECH CO LTD

Intelligent group hoist control method and system based on ethernet communication

PendingCN122513453Aavoid damageCollaborative control and rapid recoveryDynamic load balancing algorithmEngineering
The application discloses an intelligent group crane control method and system based on Ethernet communication, comprising: allocating node identifiers and initial communication time slot parameters for slave nodes, sending a state request instruction and receiving a running state data packet; determining a task allocation weight and a torque optimization coefficient based on a dynamic load balancing algorithm, and generating a task instruction; sending the task instruction to the corresponding slave node and broadcasting a synchronous motion instruction; constructing a three-dimensional anti-collision model and generating conflict resolution parameters of each slave node; performing fault self-diagnosis, generating a fault node identifier and a redundant communication link switching instruction; controlling other normal slave nodes to switch to a backup Ethernet link, migrating the task allocation weight to other normal slave nodes, updating the task instruction and sending it to other normal slave nodes through the backup Ethernet link to restore group crane cooperative control. The application can significantly improve hoisting efficiency and safety.
Owner:CHINA RAILWAY FIRST GROUP CO LTD +2

Bridge lifting device for narrow spaces

The application discloses a bridge hoisting device for narrow space and belongs to the technical field of hoisting equipment. The bridge hoisting device comprises a vehicle frame, a telescopic hoisting arm assembly arranged above the vehicle frame, a first traction assembly and a second traction assembly. The first traction assembly comprises a first winch and a first steel wire rope, and the second traction assembly comprises a second winch and a second steel wire rope. The first winch and the second winch are fixed on the vehicle frame. The first steel wire rope and the second steel wire rope are connected with the telescopic hoisting arm assembly through a pulley assembly and are used for vertical hoisting. The ends of the first steel wire rope and the second steel wire rope are connected with a placing plate. An adjusting pulley assembly is arranged on the placing plate. The second steel wire rope realizes horizontal traction through the adjusting pulley assembly. The bridge hoisting device can adapt to the hoisting requirements of narrow space, horizontally pulls out the bailey beam from the bridge bottom for hoisting, and greatly improves the hoisting efficiency.
Owner:国能(西藏)冷达发电有限公司 +1

A type of aluminum alloy profile hoisting equipment

This application discloses an aluminum alloy profile hoisting device. It includes a hoisting body with a vertically movable lifting end. A connecting platform is hinged to the bottom of the lifting end. An adjustable-length first steel wire rope and a second steel wire rope are installed on the connecting platform. The first and second steel wire ropes are used to fix the two ends of the profile, respectively. A load-bearing lifting member is installed directly below the connecting platform to support the middle part of the profile. A pressure plate is slidably connected to the load-bearing lifting member, and the pressure plate presses against the upper surface of the middle part of the profile. This aluminum alloy profile hoisting device solves the technical problem that, during the hoisting of long, lightweight aluminum alloy profiles, the middle part of the profile is prone to bending and deformation due to gravity and improper hoisting methods.
Owner:JIANGSU JIANGNAN CHUANGJIA PROFILE CO LTD

Glass curtain wall hoisting construction device and construction method thereof

The application relates to the field of glass curtain wall construction technology, and discloses a glass curtain wall hoisting construction device and a construction method thereof, which comprises a hoisting frame, a discharging mechanism and multiple groups of clamping mechanisms, the multiple groups of clamping mechanisms are connected to the hoisting frame, each group of the clamping mechanisms clamps one piece of glass, the discharging mechanism is connected to the hoisting frame, and the discharging mechanism is used for discharging the glass one by one. The application has the effects of reducing the waiting time during glass hoisting and improving the glass hoisting efficiency.
Owner:SHANDONG LUQIAO CONSTR

Hoisting tool

The utility model discloses a hoisting tool, which relates to the technical field of hoisting, and comprises a first hoisting piece, a middle connecting piece and a second hoisting piece, the middle connecting piece is sleeved on the first hoisting piece and is detachably connected with the peripheral wall of the first hoisting piece; the middle connecting piece is sleeved with the second hanging piece, and the second hanging piece is detachably connected with the peripheral wall of the middle connecting piece. The utility model aims to provide the hoisting tool with strong applicability.
Owner:CHINA CONSTR SECOND ENG BUREAU LTD +2