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1502results about "Trolleys" patented technology

Vertical ceiling type mining underground transportation box body loading and unloading device and control method thereof

The invention relates to the field of mining underground transportation box loading and unloading, in particular to a vertical ceiling type mining underground transportation box loading and unloading device and a control method thereof, and the overall structure is composed of a rail conveying device, a lifting device, a lifting tool module and a modularized mining transportation box; the specific operation process comprises the steps that the lifting device adjusts the position of the lifting tool module, the lifting tool module is locked and lifted, the transportation box body is lowered, and the rail conveying device conveys the transportation box body. Due to the semi-automatic locking design of the lifting tool module, the loading and unloading efficiency is higher; the UWB is fused with the IMU for global positioning, and the problem of alignment of the lifting appliance and the transportation box body is solved. According to the scheme design, the practical engineering problem that an existing underground transport box body is laterally loaded and unloaded on a rail is solved, the lateral loading and unloading efficiency of the underground transport box is greatly improved, the labor demand is reduced, and intellectualization and safe and efficient mine construction are enhanced.
Owner:HUANENG COAL TECH RES CO LTD +2

Compact low-clearance anti-swing crane and anti-swing method

The invention belongs to the technical field of cranes, and particularly relates to a compact low-clearance anti-swing crane and an anti-swing method. The device comprises a door frame; a hoist frame; a reel; a transverse driving motor; the hoisting mechanism is in transmission connection with the reel through a steel wire rope; the two groups of upper lifting pulley blocks are mounted on the hoisting frame and are arranged in parallel along the axis direction of the winding drum; the two lower lifting pulley blocks are installed on the lifting mechanism and arranged in parallel in the axis direction of the winding drum. The rotating center line of the upper lifting pulley block and the rotating center of the roller are located on the same plane. And the rotating center line of the lower lifting pulley block is lower than that of the lifting mechanism. The driving motor is transversely arranged, power is transmitted to the winding drum through the gearbox, meanwhile, the static size in the vertical direction is further reduced through the arrangement of the upper and lower pulley blocks with the low gravity center and the design of the lifting hook assembly with the high gravity center, and therefore under the given workshop clearance height, the working efficiency is improved. And the vast majority of vertical space is released to an effective cargo lifting stroke.
Owner:REDWOOD HEAVY IND MASCH (SHANGHAI) CO LTD

Lifting sling balance control method

The invention provides a lifting sling balance control method, which comprises the following steps of: detecting the actual distance from two ends of a traveling cart mechanism to a cart traveling track in real time through a first sensor, comparing the actual distance with a reference distance in real time, and further judging whether the sling is in a horizontal state in real time; as the two ends of the traveling cart mechanism abut against the cart traveling track, a first difference value and a second difference value between the actual distance and the reference distance are calculated respectively, and the first difference value and the second difference value correspond to the difference value between the actual distance between the two ends of the traveling cart mechanism and the cart traveling track and the reference distance respectively. The inclination state of the lifting appliance is judged by judging whether the first difference value and the second difference value are equal or not and judging the sizes of the first difference value and the second difference value, then the offset distance of the lifting appliance is detected through the second sensor, the steel wire rope is wound and unwound through the lifting mechanism till the two ends of the lifting appliance recover the horizontal state, and therefore safety and stability in the lifting appliance operation process are guaranteed.
Owner:SOUTH CHINA MARINE MACHINERY

Kiloton assembly type module hoisting machine

The invention relates to the technical field of hoisting equipment, and particularly discloses a kiloton assembly type module hoisting machine which comprises a main beam, supporting legs are fixedly installed at the two ends of the main beam, a running mechanism is slidably connected to the upper surface of the main beam, a winding drum is arranged on the outer surface of the running mechanism, and a steel wire rope is wound on the outer surface of the winding drum. The swinging amplitude of the assembly type module during hoisting is reduced through the buffer assembly, stable multi-point supporting can be conducted on the top end of the assembly type module through the hoisting assembly, the uniformity of the supporting force is guaranteed, displacement of the assembly type module can be found in time, the module can be rapidly adjusted, and the assembly type module can be conveniently and rapidly hoisted. And in addition, when the assembly type module collides or makes contact with other equipment, the guide buffering effect can be achieved, meanwhile, the clamping force on the assembly type module can be increased in the collision process, and the stability of the module in the collision process is improved.
Owner:CHINA RAILWAY 16TH BUREAU GRP ROAD & BRIDGE ENG CO LTD +2

Five-degree-of-freedom zero-gravity simulation suspension device for space complex unfolding trajectory

A five-degree-of-freedom zero-gravity simulation suspension device for a space complex unfolding track belongs to the technical field of space mechanism zero-gravity simulation unfolding and mainly comprises a rocker arm frame mounting plate, a rocker arm frame assembly, a spring suspension assembly, a guide rail fine adjustment assembly, a movable constant-force suspension assembly and a mass center point connecting assembly. Wherein the guide rail fine adjustment assembly is used for adjusting the levelness of a guide rail in the movable constant-force hanging assembly. During installation, the rocker arm frame assembly is installed on the rocker arm frame installation plate through screws, the three spring hanging assemblies are installed on the rocker arm frame through the rocker arm frame embracing rings, the movable constant-force hanging assembly is installed on the rocker arm frame through the three guide rail fine adjustment assemblies, and the mass center point connecting assembly is installed on the movable constant-force hanging assembly through the spring buckles. According to the invention, the movable constant-force hanging assembly is added to realize gravity follow-up unloading in the vertical direction, and the mass center connecting assembly containing the spherical hinge assembly is superposed for use, so that the zero-gravity unfolding test requirement of a complex mechanism with five-degree-of-freedom unfolding in space can be met.
Owner:BEIJING SATELLITE MFG FACTORY

Lifting device for construction engineering

The invention provides a hoisting device for construction engineering, and belongs to the technical field of hoisting equipment, the hoisting device comprises a frame body, a hoisting mechanism and a clamping mechanism, the clamping mechanism comprises a hanging bracket and a clamping assembly, the hanging bracket is connected with the hoisting mechanism, the clamping assembly is arranged on the hanging bracket, and the clamping assembly comprises a first motor, a bidirectional screw rod, a synchronous pulley mechanism and a moving block; the first motor is fixedly installed on the hanging bracket, the two-way lead screws are symmetrically arranged on the two sides of the first motor and connected to the output end of the first motor through synchronous belt wheel mechanisms, the moving blocks are provided with threaded holes and sliding grooves, the two ends, in different rotating directions, of the two-way lead screws are connected with the moving blocks in a rotating mode through the threaded holes respectively, and the moving blocks are arranged on the hanging bracket in a sliding mode. When the hoisting device is used, inclination and movement of a heavy object in the hoisting process are reduced, the efficiency and safety of the whole process are improved, through the four steel ropes in the winch system, the heavy object can be more stable in the moving process, stress of each steel rope is reduced, and the service life of the steel ropes is prolonged.
Owner:QINGDAO JIANSHENG STEEL STRUCTURE CONSTR ENG CO LTD

Lifting appliance and lifting equipment

The utility model provides a hoisting sling and hoisting equipment, including hoisting cylinder, slip column, limit hook plate, hoisting chain and swing hook, limit hook plate is rotatingly connected to the lower part of hoisting cylinder, slip column is slidingly connected to the lower part of hoisting cylinder, the periphery of slip column is provided with hook table, the periphery of slip column is slidingly sleeved with unhooking sleeve, and the swing hook is connected to the lower part of hoisting cylinder. A bottom bracket is arranged at the lower end of the sliding column, the middle of the swing lifting hook is hinged to the bottom bracket, the swing lifting hook can vertically swing and is hooked in a center hole of a lifted object, and the upper end of the swing lifting hook is connected with the lifting cylinder through a lifting chain. According to the lifting appliance provided by the utility model, two states of hooking limiting and unhooking separation can be formed by utilizing the limiting hook plate and the hook table, so that the swinging requirement of the swinging hook is met, a hoisted object with a central hole is automatically hoisted, the complexity of manual operation is eliminated, the convenience of operation is improved, and the labor intensity of workers is reduced. And meanwhile, the hoisting efficiency is also improved.
Owner:QINHUANGDAO QINYE HEAVY IND

Transport vehicle

PendingUS20250276880A1MonorailsConvertible aircrafts
A transport vehicle that transports packages includes: a first arm; a second arm; a first wheel connected to the first arm; a second wheel connected to the second arm; at least one actuator; and a controller (control processor). When the transport vehicle is slidably hung from the first rail via the first wheel and the second wheel, the controller controls the at least one actuator (arm actuator, roller actuation motor) to disengage the first wheel from the first rail and place the first wheel on the second rail, and disengage the second wheel from the first rail and place the second wheel on the second rail.
Owner:PANASONIC INTELLECTUAL PROPERTY CORP OF AMERICA

Double-hook synchronous self-propelled mechanism

The utility model provides a double-hook synchronous self-propelled mechanism, which relates to the technical field of cranes and comprises a crane, a lifting piece is arranged at the lower end of the crane, a sliding seat is fixedly connected to the upper end of the crane, two groups of organ-type sheaths are sleeved on the outer side of a guide rail, the organ-type sheaths are detachably connected to the left side and the right side of the sliding seat, and each organ-type sheath comprises two groups of half sheath bodies. A first bolt connecting piece is arranged between the half sleeve body and the sliding base, and a second bolt connecting piece is arranged at the other end of the half sleeve body and fixedly connected to the left end and the right end of the guide rail. The organ type protective sleeve arranged on the outer side of the guide rail in a sleeving mode can protect the sliding base and the guide rail without affecting left-right movement of the sliding base along the guide rail, particulate matter cannot enter the matching position of the sliding base and the guide rail, the service life of the self-walking mechanism is prolonged, and the stability of the self-walking mechanism is improved. The organ-type sheath adopts a split type design, when the organ-type sheath is taken down from the sliding seat, the fixation among the four groups of half sheath bodies, the guide rail and the sliding seat is released, and the replacement and the maintenance are convenient.
Owner:GERENO (JIANGSU) INTELLIGENT EQUIP CO LTD

Expandable cable trolley system

An expandable cable trolley system for supporting cables for a hoist from a trolley configured to travel along an overhead beam. The cable trolley system includes a first block, a second block, and a third block with cooperating curved slots that form openings to receive the cables. The first block has at least one roller mounted on the top surface for engaging with an overhead beam. The second block is disposed below and attaches to the first block. The third block is disposed below the second block and attaches to the second block. The configuration of the multiple blocks provides for an expandable system that can be formed into multiple rows by means of one set of fasteners having substantially the same length.
Owner:COLUMBUS MCKINNON CORP

Power transmission line hardware fitting robot equipment

The embodiment of the invention provides power transmission line hardware fitting robot equipment, and relates to the field of power transmission line robots. The power transmission line hardware fitting robot equipment comprises a hoisting module and a robot module, the robot module is used for being fixed to a wire through an unmanned aerial vehicle, the robot module and the hoisting module are of an up-down split structure, the robot module and the hoisting module are detachably connected, and the robot module conducts autonomous online or offline through the hoisting module. An independent hoisting module is configured, and the hoisting module is conveyed and fixed to a wire through an unmanned aerial vehicle; the robot module achieves vertical lifting and accurate butt joint from the ground to the wire through the synergistic effect of the robot module and the hoisting module. The mode gets rid of dependence on personnel on the tower or an auxiliary sliding rail, the automation degree and safety of the on-line process are remarkably improved, and the method is particularly suitable for rapid deployment in a complex terrain or an electrified environment. And efficient, safe and autonomous online and offline of the robot module are realized.
Owner:SHANGHAI PLATFORM FOR SMART MFG CO LTD

Hydraulic lifting container gantry crane

The invention discloses a hydraulic lifting container gantry crane which comprises a gantry crane main beam, a movable trolley frame is arranged on the gantry crane main beam, two trolley wheel sets in rolling contact with the gantry crane main beam are installed on each of the left side and the right side of the bottom of the trolley frame, and a container lifting appliance is arranged below the trolley frame. Through the driving of the hydraulic cylinder and the design of the pulley blocks, the distance from the lifting point of the lifting appliance to the highest point of the crane is reduced to be less than or equal to 3.2 m, under the safety distance of 8.3 m clearance, the lifting height of 5000 mm can still be realized, the problem of low clearance scene pain points is solved, when the workshop clearance is relatively high, four movable pulley blocks are selected, and when the workshop clearance is only 8.3 m, a container with the full load of 20 feet needs to be carried. The lifting requirement can be met by switching to six movable pulley sets, the whole lifting mechanism does not need to be replaced, the gantry crane is suitable for carrying scenes of containers with different clearances and different specifications, and the flexibility of the gantry crane is far better than that of a traditional winch type gantry crane.
Owner:CHANGZHOU CHANGKUANG HOISTING MACHINERY

Lithium battery unmanned monorail hoist

The invention relates to the technical field of hoisting equipment, and provides a lithium battery unmanned monorail hoist which comprises a suspension track and a hoist assembly, the hoist assembly comprises a car body unit, a hoisting and conveying unit and a suspension unit, the suspension unit is arranged on the suspension track, and the suspension unit comprises a power suspension unit and a load suspension unit. The vehicle body unit is connected with the power suspension unit, the hoisting conveying unit is connected with the load suspension unit, the load suspension unit comprises a suspension beam, load frames, load wheels and guide wheels, the load frames are arranged at the two ends of the suspension beam and comprise mounting ends on the two sides of a suspension rail, and the guide wheels and the load wheels are arranged at the mounting ends. The guide wheels abut against the guide side faces of the suspension rails, and the load-carrying wheels abut against the load-bearing faces of the suspension rails vertically. The problems that in the prior art, when a traveling wheel body of a suspension type rail crane faces a heavy load, due to the fact that the contact face is incomplete, the service life of the wheel body and components of the wheel body is prolonged, and the operation stability is poor are solved.
Owner:ZAOZHUANG XINYUANDA EQUIP MFG CO LTD

Method and device for mounting roadway girders or rail elements on bridge piers to form a bridge structure

The invention relates to a method and a device for mounting roadway girders or rail elements on bridge piers to form a bridge structure. The process begins with transport, during which a deck beam 2 is moved beneath a lifting and transport system 1 on the assembly support 3. By pivoting the assembly support 3 on the lifting and transport system 1, a lateral offset is achieved, and the deck beam 2 to be installed is pivoted into the longitudinal axis of the already installed deck beam 2. It can then be lowered onto the bridge pier 5 and welded to the already installed deck beam 2.
Owner:RIGA MAINZ GMBH & CO KG

An aerial system for a camera

The present disclosure refers to aerial systems for cameras, typically for stabilized cameras, and also called suspended camera systems, which allow to move a camera through a three-dimensional space by means of cables. The present disclosure includes an aerial system for a camera, which comprises a main axle and at least three arm axles, the arm axles being perpendicular to and independently rotatable around said main axle. The arm axles are coupled to arms which in turn couple to a cable which is fed and reeled from a main reel for feeding and reeling a cable, and, upon coupling of a cable to each arm, the cables support a camera head coupled to the said means for coupling. The solution of the present disclosure enables, including through the provision of arm axles which rotate in relation to a main axle and independently from each other, to reach a wider area.
Owner:OMNICAM4SKY LDA

High-liquid crown block hook transportation equipment and method

The invention relates to the technical field of hoisting equipment, in particular to high-liquid crown block hook transportation equipment and method, and aims to solve the problem of unstable hook transportation in the prior art. Comprising a displacement seat, a hoisting through hole is formed in the center of the displacement seat, transportation driving modules used for driving the displacement seat to transport are arranged on the two sides of the displacement seat, a hook assembly is arranged below the displacement seat and comprises a hoisting block, and three hoisting arms are distributed on the outer side of the hoisting block in an array mode; the end of the lifting arm is connected with a lifting rope, the lifting rope is connected with a winding module used for winding the lifting rope, a vertical sliding rod is arranged in the center of the lifting block in a sliding mode, and a top plate is arranged at the upper end of the vertical sliding rod. Therefore, after the liquid containing cylinder is hoisted, the periphery of the liquid containing cylinder can be held tightly synchronously, and the problem that a heavy object shakes due to single-point suspension is solved.
Owner:TMNT SCI & TECH DEV CO LTD

Crane traveling wheel set with track cleaning function

The invention relates to the field of cranes, in particular to a crane traveling wheel set with a track cleaning function, which comprises a track frame and a traveling wheel set arranged on the track frame, a retracting part is arranged at the front part of the upper end of the traveling wheel set, and the end part of the retracting part is connected with a lubricating oil tank; two brush bodies are symmetrically and obliquely installed at the lower end of the lubricating oil tank, the ends of the brush bodies are attached to the rail frame, a plurality of oil outlet holes are formed in the position, between the two brush bodies, of the lower end of the lubricating oil tank in a linear array penetrating mode, and a V-shaped shovel head is fixedly installed on the lower portion of the front end of the lubricating oil tank and attached to the rail frame. The labor intensity of workers is reduced, the working efficiency is improved, meanwhile, the phenomena that a V-shaped shovel head damages a lubricating oil layer and lubricating oil is continuously discharged to cause waste are avoided, and the phenomenon that the lubricating oil is polluted when the brush body is used for smearing is prevented.
Owner:NANTONG HAOZHENG MASCH EQUIP CO LTD

Crown block system, crown block maintenance method and crown block maintenance device thereof

The application discloses a crown block system, a crown block maintenance method and a crown block maintenance device, wherein a maintenance rail section of the crown block system is provided with the crown block maintenance device; the crown block maintenance device comprises a shell; when door leaves of a door mechanism on a side of the shell are closed, a closed space is formed in the shell; a blowing assembly and an air extraction device are arranged on the shell; and an electrostatic detection device and a dust concentration detection device are arranged in the shell and communicate with a maintenance controller of the crown block maintenance device; during maintenance, the maintenance controller controls the blowing assembly to blow electrostatic elimination wind when determining that a detection result of the electrostatic detection device is not lower than a first threshold value; otherwise, the blowing assembly blows non-electrostatic elimination wind or stops blowing wind according to a detection result of the dust concentration detection device.
Owner:SUZHOU XINSHINUO SEMICON EQUIP CO LTD

Modularized assembly type hydraulic jacking portal crane

The invention discloses a modular assembly type hydraulic jacking portal crane which comprises a rail device, a hydraulic jacking device and a hydraulic jacking device. The number of the walking devices is two, the walking devices are movably arranged on the left track and the right track respectively, each walking device comprises a power unit and a walking vehicle, and the power units are connected to the walking vehicles in a replaceable mode and used for driving the walking vehicles to move along the track devices; the supporting device is detachably arranged on the walking vehicle; the cross beam is detachably arranged on the supporting device; wherein the rail device, the walking device, the supporting device and the cross beam are all of modular structures and can be adaptively adjusted and assembled according to needs, and the driving friction force of the power unit relative to the rail device can be adjusted. The crane can efficiently and conveniently complete manual installation, hoisting operation and disassembly transition in a high-floor room and other scenes with limited space, the driving friction force can be accurately and efficiently adjusted, and efficient and safe load hoisting can be achieved.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY

Breaker assembling equipment for ultrahigh-voltage alternating-current power transmission and assembling method thereof

The invention provides circuit breaker assembling equipment for ultrahigh-voltage alternating-current power transmission and an assembling method of the circuit breaker assembling equipment, and belongs to the technical field of circuit breaker assembling equipment. The bottom plate is fixedly connected to the bottom of the top plate, electromagnetic blocks are arranged at the two side ends of the top plate, the top plate, the bottom plate and the two electromagnetic blocks are wrapped with a case, and two grips are fixedly connected to the top of the top plate; the lifting hook is arranged at the bottom of the bottom plate; the adjusting mechanism is arranged between the top plate and the bottom plate, and the winding wheel winds one end of the steel rope through rotation and is used for pulling the modularized circuit breaker parts to ascend and descend through the lifting hook, so that the circuit breaker parts are subjected to three-dimensional space displacement in the case, accurate butt joint between the modularized circuit breaker parts is facilitated, and the practicability is high. Assembly workers are assisted to accurately assemble modularized circuit breaker parts, the assembling difficulty of the modularized circuit breaker is reduced, and the assembling efficiency of the modularized circuit breaker is improved.
Owner:YANGZHOU NEW ERA ELECTRIC CO LTD

A pulley that can be easily disassembled

The present invention discloses a pulley that is easy to disassemble and assemble, which includes a hook assembly, a locking assembly and a buckle assembly, wherein the hook assembly includes a left side wall, a right side wall, and a hook arranged between the left side wall and the right side wall; the locking assembly is arranged in the left side wall, including a locking cavity, a limiting buckle arranged in the locking cavity, and a spring connected to the limiting buckle; and the buckle assembly is connected to the locking assembly, including a locking rod and a locking ring sleeved on the locking rod; the hook (103) is sleeved on the outside of the locking rod; the radial diameter of the inner wall of the locking cavity is the same as the radial diameter of the locking rod, and a limiting cavity is further provided on the inner wall of the locking cavity; the easy-to-disassemble and assemble pulley of the present invention can conveniently disassemble, replace and reassemble the hook, so that the pulley can meet more diverse usage requirements, and the sleeve rod can be disassembled and assembled by simply pushing, which is easy to operate, has lower learning cost, is suitable for the structure of most pulleys, and has a wide range of applications.
Owner:ESAB INTELLIGENT ELEVATOR CO LTD

Turnable single-beam electric hoist hoisting equipment

The invention relates to the technical field of hoisting equipment, in particular to turnable single-beam electric hoist hoisting equipment which comprises a supporting frame, a fixed rail beam and an electric hoist, the electric hoist comprises a walking mechanism and a hoisting mechanism, and a shaft body is fixed to the middle of the top face of the swing rail beam; the tops of the multiple fixed rail beams are fixed to the top of the supporting frame, the swing rail beams are arranged between the corresponding ends of the two fixed rail beams which are perpendicular to each other, and the shaft body is rotationally connected to the top of the supporting frame in a sleeving mode. A disc with the top face fixedly connected with the bottom face of the walking mechanism is arranged at the top of the hoisting mechanism, the disc is fixedly sleeved with a slewing bearing, the walking mechanism is provided with a power piece in meshing transmission with a rotating outer ring gear ring of the slewing bearing, and a telescopic clamping mechanism is fixed to the rotating outer ring of the slewing bearing in the radial direction. The telescopic clamping mechanism comprises a clamping piece which can move in the radial direction relative to the slewing bearing and is in sliding clamping fit with the bottom of the fixed rail beam in the axial direction. Therefore, the walking direction of the single-beam electric hoist can be adjusted stably and smoothly.
Owner:WEITE LIFTING EQUIP (HEFEI) CO LTD

Aerial posture adjustable hoisting sling for beam carrying machine

The invention discloses an aerial posture adjustable hoisting sling for a beam carrying machine, and belongs to the technical field of beam carrying machine slings, the aerial posture adjustable hoisting sling comprises a working plate, an equipment box is movably arranged in the working plate, a traction chain is movably arranged in the equipment box, and the surface of the equipment box is in bolted connection with a driver; the lower surface of the equipment box is fixedly connected with a limiting plate, the surface of the limiting plate is connected with a butt joint plate in a sleeving mode, and the lower surface of the equipment box is connected with a cleaning pipe through a reciprocating structure. According to the aerial posture adjustable lifting appliance for the beam moving machine, in the using process, when workpieces need to be clamped, a motor can be started, the motor drives a threaded rod to rotate through a bevel gear, then equipment boxes are made to be close to or away from each other, workpieces of different sizes can be conveniently clamped by a traction chain, and when the aerial posture needs to be adjusted, the lifting appliance is convenient to operate. The driving machine on the surface of the equipment box on one side is started, so that the angle of the workpiece is changed, the workpiece can deal with different conditions in the air, and the stability is improved.
Owner:CHINA RAILWAY CONSTR BRIDGE ENG BUREAU GRP JINGJIANG HEAVY IND CO LTD +1

A method for erecting an assembled high-pile wharf

The present invention relates to the field of dock construction technology, and specifically to a method for erecting an assembled high-pile dock, which uses an integrated device for erecting beams and slabs of a high-pile dock, the device comprising a crossbeam, a leg disposed under the crossbeam and capable of moving laterally, a longitudinal beam disposed on the crossbeam and capable of moving laterally, and a hoisting trolley disposed on the longitudinal beam and capable of moving longitudinally; the method comprises: erecting the device on the shore; driving the device to move to the dock area by means of a plurality of the legs; laying tracks along the length of the dock by means of the hoisting trolley, so that the bottom of the leg can drive the entire device to move along the length of the dock, and hoisting the prefabricated parts from the shore to the dock area for installation by means of the hoisting trolley, until all the prefabricated parts are installed. The present invention realizes the hoisting and transportation of prefabricated parts between the shore and the dock area through the device, reducing or even avoiding the influence of the waves on the prefabricated parts during transportation and installation.
Owner:CCCC FOURTH HARBOR ENG CO LTD +1

Safe and reliable trolley

A safe and reliable trolley relates to the technical field of cranes and comprises a trolley frame, a duplex winding drum, a lifting hook and a balance mechanism, a balance mechanism for fixing a steel wire rope is arranged on the other side of the top of the trolley frame; arc-shaped dragging pads and first limiting switches for detecting broken shafts are arranged at the bottoms of the two ends, corresponding to the duplex winding drum, of the trolley frame; safety reverse hooks capable of being clamped with corresponding track beams are arranged on the two sides of the bottom of the trolley frame; a lifting hook is arranged below the trolley frame; the top of the lifting hook is rotationally connected with a movable pulley block; the two steel wire ropes are wound around the two ends of the duplex winding drum respectively and correspondingly connected with the balance mechanism after being wound around the movable pulley block. When a shaft is broken, the corresponding end of the duplex winding drum falls on the arc-shaped dragging pad and is locked by the arc-shaped dragging pad, and meanwhile, the first limiting switch is triggered to send a shutdown signal, so that the situation that the driving device continuously drives the duplex winding drum to rotate, and the duplex winding drum rolls off from the trolley frame is prevented.
Owner:HENAN WEIHUA HEAVY MACHINE

Movable multifunctional automatic rail-mounted gantry crane operation method and system

The invention relates to the technical field of port automation equipment and intelligent logistics, and provides a mobile multifunctional automatic rail-mounted gantry crane operation method and system, and the method comprises the following steps: during container distribution operation, when the orientation of a container door of a container on a trailer is identified to be wrong, a wharf CTOS production system generates an operation instruction, and the trailer performs container door adjustment operation according to the operation instruction; when the container is lifted, if it is recognized that the direction of the container door is different from that of the container door during actual outgoing, a container door adjusting instruction is generated through a wharf CTOS production system, and the trailer conducts container door adjusting operation according to the instruction; when the trailer enters an OOG operation area, an OOG operation instruction is triggered, the rail-mounted gantry crane receives the OOG operation instruction and then automatically replaces the ultrahigh hanging bracket, and locking and unlocking connection and hoisting actions of the OOG container are achieved through the ultrahigh hanging bracket. The automatic rail-mounted gantry crane operation process of container door adjustment and OOG can be processed, the operation efficiency of an automatic container wharf can be improved, the operation cost is reduced, and potential safety hazards are avoided.
Owner:ANSUJIE WHARF STORAGE SERVICE (SHENZHEN) CO LTD +2

Novel steel box girder hoisting equipment for bridge construction and construction method of novel steel box girder hoisting equipment

The invention discloses novel steel box girder hoisting equipment for bridge construction and a construction method thereof. The novel steel box girder hoisting equipment comprises a movable base, the movable base comprises a track and a movable platform, a hoisting platform and a hoisting mechanism are arranged on the movable platform, the hoisting mechanism comprises a steel wire rope and a winch, one end of the steel wire rope is connected with the winch, and the other end of the steel wire rope is connected with a hoisting device; the hoisting device comprises a hoisting support and a fixing device, the fixing device comprises a locking mechanism and a positioning mechanism, the locking mechanism comprises a locking shaft pin and a locking clamping block, and the positioning mechanism comprises a telescopic device and a positioning disc; wherein a pressure sensor is arranged on the positioning disc, a control module electrically connected with the pressure sensor is arranged on the telescopic device, and the control module dynamically adjusts the telescopic amount of the telescopic device by monitoring data of the pressure sensor in real time; the offset of the steel box girder in the hoisting process can be reduced, the construction safety and efficiency are remarkably improved, and the method is particularly suitable for hoisting operation of large-span and extra-heavy steel box girders.
Owner:POLY CHANGDA ENGINEERING CO LTD

Bridge type hoisting device for hoisting large equipment

The invention discloses a bridge type hoisting device for hoisting large equipment, and relates to the field of hoisting devices.The bridge type hoisting device comprises two movable sliding rails, a mounting sliding rail is slidably mounted on the two movable sliding rails, a hoisting trolley is mounted on the mounting sliding rail, and a hoisting motor, a steel cable winding drum and a speed reducer are mounted on the hoisting trolley; and a motor shaft is mounted on the hoisting motor. It needs to be explained that in the embodiment of the invention, when the hoisting trolley hoists large equipment, the dustproof box and the two bottom side sealing plates are synchronously opened for heat dissipation, and when hoisting is completed, the dustproof box and the two bottom side sealing plates are synchronously closed, so that the problem that the equipment on the hoisting trolley is corroded due to dust accumulation or long-term exposure is avoided; the safety of each device on the hoisting trolley is ensured; in addition, the hoisting steel cable can be automatically lubricated during use, and when the hoisting trolley stops using, the lubricating head is sealed through the lubricating sealing plate, so that the purpose of automatically opening and closing the lubricating head is achieved, and waste of lubricating oil is avoided.
Owner:SICHUAN PROVINCIAL IND EQUIP INSTALLATION CO