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56results about How to "Stable hoisting" patented technology

A composite slab construction hoisting device and hoisting method

A construction hoisting device and hoisting method for a composite plate, comprising a hoisting frame, the hoisting frame comprising two longitudinal beams arranged parallel to each other and two transverse beams arranged parallel to each other, the two transverse beams are respectively fixed between the two longitudinal beams to form a rectangular frame matching the size of the composite plate unit, a hoisting device and a positioning device are installed on the hoisting frame, the hoisting device is installed on the opposite side of the two longitudinal beams, the hoisting device comprises a winding assembly and a lifting assembly, the lifting assemblies are symmetrically arranged on both sides of the winding assembly, the winding assembly is provided with two output ends, the lifting assemblies on both sides are respectively driven by the output ends on both sides of the winding assembly, and the positioning device is used to position the composite plate. The present invention enables the composite plate to remain stable during the hoisting process, avoids collision and damage caused by shaking, and the stable hoisting and precise positioning reduce the shaking and collision risks of the composite plate during the hoisting and installation process, thereby improving the safety of the operation.
Owner:中建五局第三建设有限公司 +1

Aero-engine rotor hoisting device and hoisting method

The invention discloses an aero-engine rotor hoisting device and hoisting method, and belongs to the technical field of aero-engine assembly.The aero-engine rotor hoisting device comprises clamping jaws, a limiting ring, a mounting plate, a cover plate, a lifting bolt and a hanging assembly; the mounting plate is used for movably sleeving the outer ring of the limiting ring and pressing and limiting the clamping jaw on the outer side of the limiting ring, the locking piece sequentially penetrates through the mounting plate and the cover plate to connect and fasten the mounting plate and the cover plate, and then the top of the clamping jaw is pressed and limited between the mounting plate and the cover plate; a plurality of hoisting screw holes are formed in the mounting plate in an annular array mode, and the hanging assembly is used for being connected with a crane. The problem that the turbine rotor assembly is difficult to hoist in the unit body assembling process can be solved, meanwhile, the rotor assembly can be prevented from falling in the hoisting process, and the assembling efficiency of the turbine rotor assembly in the unit body assembling process is improved.
Owner:CHINA HANGFA SOUTH IND CO LTD

Universal lifting appliance for steel shell tower sections

ActiveCN222523959Ureduce horizontal distortionImprove manufacturing precisionLoad-engaging elementsTower crane
The utility model relates to a universal lifting appliance for steel shell tower sections, which comprises a frame, main balance beams, auxiliary balance beams and a lifting assembly, at least one main balance beam is welded inside the frame, a plurality of auxiliary balance beams are further welded between the main balance beams and the frame, and the lifting assembly is connected with the main balance beams and the auxiliary balance beams. A plurality of crane lifting lugs used for being connected with a crane in a hanging mode are evenly welded to the upper end face of the frame. And a plurality of hoisting assemblies are uniformly welded on the lower end surface of the frame. The steel shell tower crane has the advantages that the four crane lifting lugs and the four lifting assemblies are arranged, the four-point lifting design enables lifting stress to be plumb to the ground as much as possible, horizontal deformation of the upper end of a steel shell tower is reduced, and manufacturing precision is improved; 2, a *-shaped structure is adopted and is consistent with a steel shell tower shell, and auxiliary balance beams are mounted on diagonal lines to support horizontal stress and the like;
Owner:CHINA RAILWAY SHANQIAO GRP CO LTD +1

Positioning device and method for corrugated steel web installation

PendingCN121778569AStable hoistingAdjustable installation angleBridge erection/assemblyLoad-engaging elements
The invention discloses a positioning device and method for corrugated steel web installation, and the positioning device comprises an angle adjusting assembly, a width adjusting assembly, a spacing adjusting and fixing assembly, a corrugated steel web concave part fixing assembly, a corrugated steel web side face fixing assembly and a supporting plate. Two first hydraulic rods are fixedly connected to the upper side of the supporting plate, first connecting plates are hinged to the two sides of the upper ends of telescopic shafts of the two first hydraulic rods correspondingly, the other ends of the first connecting plates are hinged to the middle of second connecting plates, and the two sides of the supporting plate are hinged to one ends of the second connecting plates correspondingly. The ends of the two second connecting plates on the same side are fixedly connected with transverse plates correspondingly, and the width adjusting assembly comprises two pairs of second hydraulic rods. The positions of the first electromagnet, the second electromagnet and the third electromagnet can be adjusted according to corrugated steel webs of different specifications, the corrugated steel webs are magnetically adsorbed and fixed, and the mounting angle and width of the two corrugated steel webs can also be adjusted.
Owner:LANZHOU LIANHUO QINGZHONG SECTION EXPRESSWAY CONSTR & DEV CO LTD +1

Heavy load gantry hoisting device

ActiveCN224590587UStable hoistingeasy to move
The utility model relates to a kind of heavy-duty gantry hoisting device, including support frame type base frame, the transverse outrigger being set on support frame type base frame top, first sliding track is set on transverse outrigger top, power component is set on support frame type base frame, and the power component drives moving frame to slide in first sliding track, fixed frame is set on moving frame, through-hole is opened in the middle position of fixed frame, two square vertical guide rails are located in through-hole, the top of two square vertical guide rails is connected by fixed plate, one end of transmission chain is connected with first fixed plate, the other end is connected with second fixed plate, second fixed plate is set at the bottom of two square vertical guide rails, second fixed plate is connected with inner support mechanism, second power device motor is set on the left side of through-hole and fixed on fixed frame, and second power device motor is connected with transmission chain transmission by sprocket set, the utility model can realize without artificial binding, hoisting is stable, and the quality of product is improved.
Owner:SANMING UNIV

Hoisting mechanism for special-shaped large-section steel box girder and operation method of hoisting mechanism

The invention relates to a hoisting mechanism for a special-shaped large-section steel box girder and an operation method of the hoisting mechanism, and effectively solves the problems that the special-shaped large-section steel box girder cannot be stably hoisted and kept horizontal conveniently by an existing steel box girder hoisting mechanism and cannot be stably hoisted and the hoisting firmness cannot be ensured. According to the technical scheme, the hoisting mechanism for the special-shaped large-section steel box girder is provided with a bevel gear transmission assembly, a driving assembly, an adjustable rotating rod mechanism and a secondary adjusting mechanism, the driving assembly drives the adjustable rotating rod mechanism to rotate through the bevel gear transmission assembly, and the height of main hoisting ropes on the two sides can be adjusted; therefore, the horizontal state of the special-shaped steel box girder can be preliminarily adjusted through the main lifting rope, then the lifting height of the corresponding auxiliary lifting rope is adjusted through the secondary adjusting mechanism, the horizontal state of the special-shaped steel box girder is adjusted more accurately, the special-shaped steel box girder can be kept in the horizontal state, stable lifting is facilitated, and the special-shaped steel box girder can accurately correspond to a mounting part; the hoisting progress is accelerated.
Owner:HENAN LIUJIAN HEAVY IND CO LTD

An electric lifting and unloading device for containers

The present invention discloses an electric lifting and unloading device for containers, which relates to the technical field of container lifting. The unloading device comprises a vehicle carrier and a gantry lifting frame. The gantry lifting frame is installed on the vehicle carrier through a hydraulic system. A chassis is arranged above the gantry lifting frame, and a power assembly is arranged inside the chassis. Four upper slings and several lower slings are connected to the power assembly. A boom mounting platform is connected to the gantry lifting frame through several upper slings below. Telescopic arms are arranged on both sides of the boom mounting platform. A pair of guides are symmetrically arranged below each of the telescopic arms. Two lower slings are connected to each of the guides. The magnetic wheels use magnetic attraction to make the guides move in close contact with the edge of the container, effectively preventing the guides from shaking during the descent, so that the unloading device can be operated on a shaking platform.
Owner:SHAANXI SAIJUN SPECIAL VEHICLE MFG CO LTD

Beam type lifting appliance for lifting prefabricated square block

The utility model relates to a beam type lifting appliance for lifting a prefabricated square block, which belongs to the technical field of lifting belt type lifting appliances and comprises a beam frame, a lifting belt and a lifting lug, wherein the beam frame is detachably connected with a lifting hook of the hoisting equipment, the beam frame comprises main beams and a secondary beam, and the secondary beam is vertically mounted between the two main beams; the hanging belts are hung below the main beams and used for being connected with the prefabricated square blocks; the two ends of the lower portion of each main beam are each provided with at least two pairs of lifting lugs, the lifting lugs located at one pair of diagonal positions of the main beams are provided with transverse rods, and the lifting lugs located at the other pair of diagonal positions of the main beams are provided with hydraulic pin shafts. The cross rod and the hydraulic pin shaft are both used for hanging a sling, and the hydraulic pin shaft is further used for being separated from the sling. According to the beam type lifting appliance for lifting the prefabricated square block, the hydraulic pin shafts are arranged at the diagonal positions, so that automatic unhooking can be realized at limited cost; at least two sets of lifting lugs can improve the adaptability of the lifting appliance to prefabricated square blocks with different sizes.
Owner:NO 2 ENG CO LTD OF CCCC FIRST HARBOR ENG +1

A power equipment hoisting balancing device

The utility model relates to power equipment hoisting technical field, specifically is a kind of power equipment hoisting balancing device, comprising: main hoisting beam;Hoist platform, hoist platform is set in the lower of main hoisting beam;Multiple lifting lugs, multiple lifting lugs are respectively fixedly connected in the lower end of main hoisting beam and the upper end of hoist platform;Multiple steel wire ropes, clamping mechanism, the device is by motor, two-way threaded rod, slider and C type clamping plate and is composed of automatic clamping mechanism, by starting motor can drive two C type clamping plates synchronous and move towards each other, quickly, firmly and from both sides clamping power equipment placed on hoist platform, and cooperate with antiskid pad to increase friction, effectively prevent equipment from happening transverse displacement or slip in hoisting process, this automatic clamping mode not only reduces the labor intensity of worker, simplifies operation process, and clamping force is evenly reliable, greatly reduce the security risk caused by equipment loosening, ensure the smooth progress of hoisting process.
Owner:SHANXI HAORAN ELECTROMECHANICAL EQUIP ENG CO LTD

Steel wire rope hoisting adjusting mechanism and pulley hoisting device

This utility model relates to the field of hoisting device technology, specifically to a wire rope hoisting adjustment mechanism and a pulley hoisting device, including a frame, mounting bases, and an adjustment device. Two mounting bases are provided, each movably mounted on the frame. Each mounting base has a first support and a second support below it. The first support is fixedly connected to the mounting base, and a first pulley and a second pulley are rotatably mounted on the first and second supports respectively. The first and second pulleys are connected by a wire rope, and a hook is provided on the second support. The adjustment device is mounted on the frame and is used to drive the two mounting bases to move in opposite directions at the same speed. This utility model achieves flexible adjustment of the hoisting position and maintains hoisting balance, solving the technical problems of inconvenient adjustment and difficulty in simultaneously adjusting the positions of two hoisting points in traditional hoisting mechanisms, leading to easy tilting and poor stability of the hoisted object.
Owner:ZHOUSHAN PUTUO CHANGHONG SHIPYARD CO LTD

Intelligent screen hoisting tool

An intelligent screen hoisting tool comprises a frame body, a height adjusting assembly, a guiding assembly, a width adjusting assembly and two connecting pieces. The height adjusting assembly and the guiding assembly are both installed on the frame body. The width adjusting assembly is connected with the height adjusting assembly and the guide assembly; one end of the connecting piece is connected with the width adjusting assembly; due to the fact that the distance between the two connecting pieces can be adjusted through the width adjusting assembly, intelligent screens of various sizes can be connected, due to the fact that the two connecting pieces are oppositely arranged, the intelligent screens are evenly stressed and cannot be inclined after being hoisted, and the safety of the intelligent screens is improved. Due to the fact that the distance between the connecting piece and the width adjusting assembly is fixed and the length of the connecting piece is obviously short, the intelligent screen is more stable in the moving process and not prone to shaking, the risk that the intelligent screen falls off and is collided and damaged is greatly reduced, and positioning is convenient during installation; in general, by means of the intelligent screen hoisting tool, intelligent screens of various sizes can be hoisted, and the hoisting process is more stable.
Owner:SHENZHEN YUNHAI ANTI STATIC TECH CO LTD

Hoisting mechanism for case and cabinet

The utility model belongs to the technical field of cabinet equipment, and particularly relates to a case and cabinet hoisting mechanism which comprises a cabinet body and a hoisting bottom plate, the hoisting bottom plate is fixedly arranged at the lower end of the cabinet body, and the front end and the rear end of the interior of the hoisting bottom plate are each provided with a containing groove in a sliding mode. The hoisting mechanisms such as the protective net, the lantern rings and the hoisting rods are arranged in the hoisting bottom plate, so that the hoisting mechanisms can be pulled out from the hoisting bottom plate when hoisting is needed, and can be stored in the hoisting bottom plate when not needed, and the stacking problem during transportation of a plurality of cabinet bodies cannot be influenced; and during hoisting, the protective nets can be protected at the two ends of the cabinet body, even if a large number of electrical components are installed in the cabinet body, the hoisting bottom plate can be used for directly bearing, the cabinet body cannot be damaged, the protective nets are protected at the two ends, the cabinet body cannot incline in the hoisting process, and the hoisting process is more stable.
Owner:苏州格林斯精密制造有限公司

Carrying truss for planet wheel phased array detection

The utility model relates to the field of hoisting equipment, in particular to a carrying truss for planet wheel phased array detection, which comprises two truss bodies, a moving frame is arranged between the two truss bodies, a winch is mounted on the moving frame, and a driving part is mounted at the bottom end of a steel wire rope or a chain of the winch. And clamping plates are arranged at the left end and the right end of the driving part correspondingly, and the driving part is used for driving the two clamping plates to slide in the direction close to or away from each other. The purpose of the utility model is to effectively improve the workpiece hoisting convenience of the hoisting equipment, so that the workpiece transportation efficiency of the carrying truss can be improved.
Owner:SHANGHAI BINRUI NDT TECH SERVICE CO LTD

Hoisting device for cement concrete prefabricated part production

The utility model provides a hoisting device for cement concrete prefabricated part production. The hoisting device comprises a side plate, a first hoisting assembly and a second hoisting assembly, the two side plates are arranged on the two sides of the first hoisting assembly and the second hoisting assembly, and the two ends of the first hoisting assembly and the two ends of the second hoisting assembly are slidably arranged on the side plates. A power source assembly is arranged on the side plate and can drive the first hoisting assembly and the second hoisting assembly to move. The lifting device has the advantages that the lifting device can be suitable for cement concrete prefabricated parts with different widths and lengths, the lifting device does not need to be replaced and adjusted, the lifting device can be suitable for the cement concrete prefabricated parts with different sizes, the lifting efficiency is greatly improved, and stability is good.
Owner:TIANJIN HEHAI PIPE IND CO LTD

Hoisting device for magnetic pole iron core section

The utility model discloses a magnetic pole iron core section hoisting device which comprises a bottom plate, two clamping blocks, a transmission structure, a steel pipe and a hoisting block, the bottom plate, the clamping block and the transmission structure are all arranged in the steel pipe. The lifting block is fixedly connected to the end, opposite to the bottom plate, of the steel pipe. The clamping block is arranged between the bottom plate and the transmission structure, and the transmission structure and the bottom plate are rotationally connected through the clamping block; the clamping block comprises a sliding part and a convex column, the sliding part is connected with the bottom plate, and the convex column is connected with the transmission structure; the transmission structure comprises a conversion block, a transmission rod and a rotating rod; the rotating rod is connected with the transmission rod, the conversion block is fixedly connected to one end of the transmission rod, and two arc-shaped sliding grooves distributed in a central symmetry mode are formed in the other side, opposite to the side connected with the transmission rod, of the conversion block. The lifting appliance is exquisite in design and easy to operate, the clamping blocks stretch out and draw back through rotation of the transmission structure, the lifting appliance can be rapidly assembled and disassembled in a small hole, and stable lifting of a workpiece is guaranteed.
Owner:DONGFANG ELECTRIC MACHINERY

Simple lifting appliance for building construction

The utility model discloses a simple lifting appliance for building construction, and belongs to the technical field of lifting devices. The lifting appliance comprises a front supporting leg and a rear supporting leg which are oppositely arranged, and the tops of the front supporting leg and the rear supporting leg are detachably connected through a first cross rod; a mounting frame with a winch is mounted on the first cross rod, the end, away from the rear supporting leg, of the first cross rod is coaxially connected with a telescopic second cross rod, and the second cross rod is sleeved with a U-shaped frame with a pulley. The front supporting leg adopts two stand columns, a guide rod is arranged between the stand columns to guide a steel rope path, and a triangular reinforcing structure is formed by an inclined rod and a supporting rod; the guide rod cooperates with the first falling protector and the second falling protector, the steel rope is driven by the winch to slide along the guide rod, abnormity is monitored in real time through the falling protectors, and the steel rope is prevented from being out of control and falling. Through modular design, multiple safety protection and an adjustable structure, the problems of high equipment cost, complex disassembly and assembly and poor stability in material transportation of low floors are solved, and the device has the advantages of being rapid in deployment, stable in bearing, safe, reliable and the like.
Owner:CHINA 19TH METALLURGICAL CORP

Box pit furnace heat treatment hanger

The utility model discloses a heat treatment hanger for a box pit furnace, which belongs to the technical field of metal heat treatment and comprises a supporting rod, a bearing rod, a bearing frame and a fixing plate assembly. The fixing plate assembly is installed at a through hole of a box type workpiece, and the through hole is divided into two fan-shaped through holes. The bottom of the fixing plate assembly is fixedly connected with a fixing ring. The bearing frame is of a U-shaped structure; a bearing ring is processed on the middle part of the U-shaped structure along the thickness direction of the U-shaped structure; a mounting ring is processed on each of two side plates of the U-shaped structure; the two side plates of the U-shaped structure are respectively inserted into the two fan-shaped through holes; the bearing rod is sequentially inserted and mounted in the mounting ring, the fixing ring and the other mounting ring; the supporting rod penetrates through and is installed in the bearing ring. According to the utility model, the problems of low efficiency caused by tedious operation in the process of hoisting large box type workpieces into a furnace and hanging heat treatment in the furnace and potential safety hazards caused by failure of a welding area can be solved, so that the rapid, convenient and safe production of the box type workpieces is ensured.
Owner:CSIC ZHONGNAN EQUIP

Fabricated interlayer aluminum plate line system and construction method thereof

The invention discloses an assembly type interlayer aluminum plate line system which comprises a line body, the line body is connected with a curtain wall through a connecting assembly, the curtain wall comprises a vertical keel, a transverse keel and a panel structure, and the vertical keel is fixed to a floor main body structure through channel steel. The connecting structure is characterized in that the connecting assembly comprises a bent steel plate piece and a steel hanging piece, the bent steel plate piece comprises a U-shaped end fixed to the channel steel and a T-shaped end connected with the steel hanging piece, one end of the steel hanging piece is provided with a clamping hook matched with the T-shaped end in a clamping and inserting mode, and the other end of the steel hanging piece is fixed to the line body. According to the invention, the hanging part of the molding body is directly connected with the channel steel through the connecting assembly, so that the mounting structure is simplified, the pressure of the vertical keel is released, the stability of the molding body is improved, and the mounting requirement of the large decorative molding is met.
Owner:SUZHOU SUMING DECORATION CO LTD

Hoisting pressure-bearing platform of precision machinery

The utility model relates to the technical field of hoisting pressure bearing, and discloses a hoisting pressure-bearing platform of precision machinery, which comprises an operation platform, four corners of the upper surface of the operation platform are fixedly connected with positioning columns, the outer surfaces of the positioning columns are provided with isolation baffle plates, the middle part of the upper surface of the operation platform is provided with a split charging structure, and the split charging structure is provided with an opening. According to the utility model, by arranging the split charging structure and the partition transverse plates, the preset assembling groove can be divided into a plurality of small spaces for independently placing different precision instruments, so that the precision instruments can be more stable in the hoisting process and are prevented from being damaged due to mutual collision in the hoisting process, the danger caused by shaking or swinging is reduced, and the hoisting efficiency is improved. A rubber pad can provide an additional buffering effect to further protect instruments from vibration and impact, and a preset assembling groove is formed in the operation platform, so that space utilization is improved, and installation, placement and hoisting of equipment and instruments on the surface of the operation platform cannot be affected.
Owner:SUZHOU MOYA LANDSCAPING CO LTD

A lifting device for T-beam reinforcement cage

The utility model discloses a kind of lifting appliance for T beam reinforcement cage, belong to T beam reinforcement cage hoisting equipment technical field, specific structure includes truss, chain and chain shackle, truss top side symmetrical fixedly connected with fixed seat, fixed seat top side center is provided with the hanging hole for hanging connection travelling crane hook, two chain shackle are set in the both ends of each chain, chain adopts multiple groups, along the truss length direction evenly arranged, each group of chain adopts four, and each chain middle part is fixedly connected on truss, and each chain shackle is hung on the reinforcement of T beam reinforcement cage.This utility model adopts multiple groups of chain and chain shackle to evenly hang the reinforcement on the top plate of T beam reinforcement cage, cooperate with the truss of strip frame structure, hoist stable and reliable, stress is uniform, ensure that T beam reinforcement cage is hoisted smoothly, not deformed, avoid damaging T beam reinforcement cage;Complete reinforcement cage is welded outside mould, and space is big, more conducive to welding production.
Owner:CHINA RAILWAY NO 5 ENGINEERING GROUP CO LTD +1

Hoist for assembling prefabricated vertical shafts

The utility model discloses a kind of lifting appliances for assembly type vertical shaft prefabricated pipe section hoisting, comprising: base frame;Pipe body limiting frame, including fixedly arranged on base frame fixed frame, and multiple limiting plates are arranged along the circumferential direction of prefabricated pipe section and fixedly arranged on fixed frame, first hoisting part for lifting equipment hanging is equipped on the fixed frame;Suspender, vertically slidingly set on the center of fixed frame corresponding to prefabricated pipe section, and first limiting part and second limiting part for respectively limiting upper movement and lower movement of suspender are set on suspender, and the top of suspender is equipped with second hoisting part for lifting equipment hanging, and the bottom of suspender is fixedly arranged with counterweight;Supporting rod assembly, supporting rod assembly is arranged as multiple groups along the circumferential direction of prefabricated pipe section;The lifting appliance for assembly type vertical shaft prefabricated pipe section hoisting provided in the application has the advantages of improving construction safety, ensuring hoisting accuracy and improving construction efficiency.
Owner:CHINA METALLURGICAL CONSTR ENG GRP

Combined device for hoisting and mounting SPCS prefabricated column and construction method

The invention provides a combined device for hoisting and mounting an SPCS prefabricated column and a construction method, and relates to the technical field of assembly type structure assembly. Comprising an alignment tool arranged at the bottom of the prefabricated column, the alignment tool can support and limit the prefabricated column in the process that the prefabricated column is hoisted from a horizontal state to a vertical state, the hoisting process of the prefabricated column is stable, loads are evenly distributed in the alignment tool, and bending of a main rib at the bottom of the prefabricated column is prevented. The two ends of the lifting beam tool are clamped to the front side face and the rear side face of the prefabricated column through the lifting lug side clamping pieces correspondingly, the lifting beam tool can be limited, and overall left-right sliding or overturning is avoided. The balance tool is used for limiting the position of the steel wire rope, it is guaranteed that the steel wire rope is located in the center of the prefabricated column in the hoisting and hoisting process, the steel wire rope is prevented from shaking in the prefabricated column, and hoisting stability and rapidness are guaranteed. The mounting speed of the prefabricated column can be effectively increased through the synergistic effect of the three parts, and other hoisting tools are not needed.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD +1

Rope threading winch control system

The invention discloses a stringing winch control system which comprises a main oil inlet pipeline and a main oil return pipeline which are used for outputting pressure of a power unit, a diverter valve is arranged between the main oil inlet pipeline and the main oil return pipeline, and the main oil inlet pipeline and the main oil return pipeline are connected with a first pipeline and a second pipeline respectively. The first pipeline and the second pipeline are used for being connected with a working opening of a first winch motor during operation, a first shuttle valve used for collecting pipeline pressure is arranged between the first pipeline and the second pipeline, and an outlet of the first shuttle valve is connected with a spring cavity of the flow divider valve. According to the invention, the output pressure of the power unit can be automatically adjusted, the energy loss is reduced, and the two sets of stringing winches can be simultaneously or respectively controlled so as to execute the functions of hoisting, traction, posture adjustment and the like.
Owner:XUZHOU HEAVY MASCH CO LTD

Basket arch vertical turning box type lifting lug

ActiveCN224663408UStable hoisting
The utility model discloses a basket arch vertical transfer box type lifting lug, including the pin shaft for being connected with the unhooking of the lifting appliance and the end connecting piece connected at the both ends of pin shaft, both sides of two the end connecting piece all are connected through the connecting limit corbel for being connected with the arch rib segment welding, and the unhooking of two end connecting piece distribution in the different side of pin shaft is limited to cooperate and rotates within a certain angle range, compared with prior art, mainly by pin shaft, two end connecting pieces and two connecting limit corbel constitute, two end connecting pieces come to connect between pin shaft and two connecting limit corbel, two connecting limit corbel not only come to with the arch rib segment welding that needs to carry out hoisting is connected, and still limit the rotation angle between unhooking relative to pin shaft in the hoisting process, ensure that arch rib segment stably carries out hoisting in the required adjustment range.
Owner:CSCEC BRIDGES CO LTD +2

Gypsum ceiling batten

The utility model discloses a gypsum ceiling joist, including main joist, three sub joists are connected below the main joist, the position of three sub joists and main joist connection all are installed with connector, the connector includes connecting plate, the connecting plate is located between main joist and sub joist, two side plates are installed above the connecting plate front end and rear end, the utility model relates to ceiling joist technical field, through being set up the connector, two side plates from both sides pinch main joist above, and the two wrapping boards below and wrapping strip then from both sides and below cladding fixed sub joist, formed all -round wrapping formula connection, and the main, sub joist closely combines into a high rigidity whole, greatly enhanced the structure stability and anti -shaking ability of joist system, and hoist ware is connected through two bending plate and the side plate top of connector, and the single hoisting force is dispersed to the both sides of main joist upper end, avoids stress concentration.
Owner:SHENYANG XRJ CONSTR ENG CO LTD

Fabricated house building component hoisting equipment

The invention belongs to the field of assembly type prefabricated component hoisting, and particularly relates to assembly type house building component hoisting equipment which comprises a connecting mechanism, four cross beam assemblies distributed in an X shape are arranged on the connecting mechanism, and a traction mechanism is arranged on the cross beam assemblies. The connecting mechanism is further provided with a bunching assembly which is matched with the traction mechanism to limit the house building component. The connecting mechanism comprises an upper connecting seat and a lower connecting seat which are of a disc structure, the two connecting seats are rotationally connected through a connecting shaft, a first locking assembly is arranged between the two connecting seats, and two symmetrical arc-shaped grooves are formed in the outer side walls of the connecting seats; first guide rods of an arc-shaped structure are fixedly arranged in the arc-shaped grooves, and the first guide rods are connected with the corresponding cross beam assemblies. The traction mechanism can be flexibly adjusted according to the position of a hoisting point on the house building component, and the hoisting universality is improved on the premise that the stability is guaranteed.
Owner:CHINA CONSTR FIFTH ENG DIV CORP LTD

Hoisting assembly, spreader device and electrophoresis production line

This utility model discloses a hoisting assembly, a hoisting device, and an electrophoresis production line. The hoisting assembly includes a hoisting component, a workpiece hoisting module, and a sealing module. The workpiece hoisting module includes a shaft mounting base and a limiting end cap. One end of the shaft mounting base is connected to the hoisting component, and the other end is provided with an installation shaft section. The installation shaft section can pass through the hoisting hole of the hoisted workpiece. The limiting end cap is detachably mounted on the installation shaft section and is used to axially limit the hoisted workpiece. The workpiece hoisting module has a first sealing groove and a second sealing groove at both ends of the hoisting hole. The sealing module includes a first sealing ring and a second sealing ring, which are placed in the first sealing groove and the second sealing groove respectively. Both the first sealing ring and the second sealing ring can seal the end of the hoisting hole, thereby isolating the hoisting hole from the electrophoretic liquid during electrophoretic coating operations. This eliminates the need to treat the electrophoretic paint in the hoisting hole after electrophoretic coating is completed, thus improving production efficiency.
Owner:ZOOMLION EARTHMOVING MASCH CO LTD +1

A method, device and controller for lifting objects by coordinating two cranes

The present application provides a method, device and controller for lifting a hoisted object by two cranes in coordination. The method, device and controller for lifting a hoisted object by two cranes in coordination provided by the present application calculate the control input through a sliding mode control algorithm, and then calculate the hoisting acceleration based on this, and control the hoisting according to the hoisting acceleration, so as to timely adjust the action of the crane in the presence of certainty and external interference, so that, on the one hand, the hook heights of the two cranes can be kept consistent, so that the hoisted object can be kept stable during the entire hoisting process, and the problem of tilting and instability of the hoisted object caused by height difference can be avoided; on the other hand, through control, the load balance can be maintained, and the hoisted object can be prevented from tilting or swinging during the hoisting and moving process, which can improve the safety and stability of the operation.
Owner:ZHEJIANG UNIV

Heavy-load anti-swing double-hoist synchronous lifting tower crane device and control method thereof

PendingCN122276624Asolve the swingReduce swingSynchronous controlControl engineering
This invention discloses a heavy-duty anti-sway dual-winch synchronous lifting tower crane device and its control method, belonging to the technical field of construction equipment. Addressing the problems of existing tower cranes with single-winch single-lifting structures, such as easy swaying during long load lifting, poor adaptability to non-irregularly shaped loads, low synchronous control accuracy, and insufficient operational stability, this invention's device includes a lifting frame, tower crane boom, a first lifting module, a second lifting module, wire rope, a first winch module, a second winch module, hooks, a fixed platform, and a rotating platform. It is equipped with a dedicated synchronous anti-sway control method, which uses the dual winch modules to coordinate and synchronously wind up and down the rope, achieving traction and sway suppression at both ends of long loads. The winch speed can also be independently adjusted, and the height of the two hooks can be differentiated to adapt to the lifting of non-irregularly shaped loads. This invention combines optimized equipment structure with intelligent synchronous anti-sway control. Components are neatly numbered, and the platform layers do not interfere with each other. It offers stable operation and strong lifting adaptability, suitable for various high-altitude heavy-duty lifting operations in construction, significantly improving lifting stability, operational efficiency, and construction safety.
Owner:NORTH CHINA UNIV OF WATER RESOURCES & ELECTRIC POWER