1426results about "Trolley cranes" patented technology

A full-unit lifting method for a quayside container crane includes calculating an overall center position of gravity of the quayside container crane full-unit; estimating a lifting height and a floating amplitude required by a main hook of a floating crane according to a water level differential at a dock and a height of the quayside container crane full-unit; selecting the floating crane and obtaining detailed parameters thereof according to basic lifting conditions of the floating crane; selecting a type of the main hook according to a weight of the quayside container crane full-unit, checking whether an interference between the boom of the floating crane and the front boom occurs, and determining an inclination angle of the floating crane during lifting; calculating a load on the lifting wire rope and selecting the lifting wire rope and a shackle; making preparations before lifting; and performing lifting at the dock.

The invention relates to the technical field of bridge construction, and discloses a guide-beam-free incremental launching construction hoisting balance weight structure for bridge construction, which comprises an incremental launching platform and a gantry crane above the incremental launching platform, the counterweight assembly comprises two slide rails, two wheel carriers, two groups of rollers, a base, a plurality of counterweight blocks, two groups of guide wheels and two pull ropes; and the lubricating assembly is used for lubricating the two groups of rollers. Through the arrangement of the counterweight assembly, the base can move reversely along with the movement of the gantry crane, self-adaptive position adjustment of the multiple counterweight blocks is achieved, the gantry crane and the multiple counterweight blocks are kept in a balanced state on the pushing platform, the bending moment and the shearing force peak value of the pushing platform are reduced, and through the self-adaptive position adjustment, the service life of the pushing platform is prolonged. And the operation of actively adjusting the position of the balancing weight by an operator is reduced, and the operation time is saved.

The invention relates to an overwater square block hoisting method and system, and belongs to overwater square block hoisting. The overwater square block hoisting method comprises the steps of hoisting a square block, obtaining the relative position relation between a hoisting device and the square block, obtaining the real-time position of the square block, obtaining the relative posture data of a hoisting system and the square block, obtaining the real-time posture of the square block and guiding square block hoisting. According to the above-water square block hoisting method, a camera, a Beidou receiver, a clinometer, an inertial navigation device and other devices are used for obtaining the relative position and posture data of a hoisting device and a square block in real time, the square block is accurately guided to be hoisted to the designed position through a data processing and feedback mechanism, and all-directional monitoring and accurate control in the square block hoisting process are achieved.

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.

An expandable multifunctional integrated-construction skyscraper building platform and a construction method using the same are provided. The expandable multifunctional integrated- construction skyscraper building platform includes: a building foundation part, including an underground level, a basement level and a ground level which form a main body; an external frame part, a bottom of the external frame part being fixed deep into the underground level, and a top of the external frame part running through the basement level and the ground level to reach upper air such that lifting platform parts arranged on the external frame part are capable of going up from the underground level for construction; a transportation elevator part and a three-layer enclosure part, mounted on the building foundation part; a top transfer part, mounted on a Chinese character “Ri” frame at a top of the external frame part; and a carrying tower.

The present application relates to a kind of offshore spreader and the measuring and controlling system of application thereof, block hoisting method, belong to underwater block hoisting technical field.The offshore spreader includes lifting frame, hook, unhooking device and measuring tower;Wherein, lifting frame is used to connect hoisting equipment;Hook is installed below lifting frame and is hinged with lifting frame, for connecting the lifting hole of prefabricated block;Unhooking device includes unhooking frame, driver and connecting rod, for realizing the automatic hooking and automatic unhooking of hook;Measuring tower is fixedly installed above lifting frame, and measuring tower includes column installed around lifting frame and upper measuring platform on the top of column, for measuring the positioning data of offshore spreader.The offshore spreader and the measuring and controlling system of application thereof, block hoisting method combine measuring tower and unhooking device, can obtain the positioning information of spreader in real time, and then timely adjust the position of spreader and block, ensure the precision of block installation;While underwater automatic unhooking can reduce the risk of manual operation.

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.

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.

The invention provides a traveling crane double-beam portal crane, and relates to the technical field of cranes, the traveling crane double-beam portal crane comprises a plurality of supporting columns, a group of cross beams are mounted at the upper ends of the supporting columns, guide rails are arranged on the upper sides of the cross beams, and a traveling assembly is mounted on the upper sides of the guide rails in a sliding manner and comprises a traveling frame; a group of walking wheels are arranged on two sides of the bottom of the walking frame; cleaning liquid is stored in the water storage tank in advance, so that when the water feeding pump is started, the cleaning liquid is conveyed outwards, the cleaning liquid is distributed in the first series connection pipe through the first three-way valve, and the liquid is conveyed into the corresponding cleaning assemblies through the first butt joint pipe arranged on the pipe body of the first series connection pipe; and the drainage hole is formed in the inclined position of the water storage tank, so that spraying of the cleaning liquid is achieved, the cleaning assembly can preliminarily clean the guide rail at the current position, and it is guaranteed that oil stains on the guide rail are discharged in cooperation with the cleaning brush roller.

A transport vehicle for transporting an article in a manufacturing factory includes a driving unit which drives along a driving rail, and a hoist unit which is located under the driving unit and supports the article. The hoist unit includes a frame, and a pair of tail plates which is provided on a rear surface of the frame and protrudes rearward.

The invention relates to the technical field of pipeline hoisting, in particular to intelligent large pipeline hoisting equipment and method.The intelligent large pipeline hoisting equipment comprises a first portal frame, a track beam and a second portal frame, and the track beam is arranged above the first portal frame and the second portal frame; a walking trolley moving in the length direction of the track beam is arranged on the track beam and used for hoisting and transporting a pipeline. The first portal frame is used for achieving butt joint of a loaded pipeline and a to-be-loaded pipeline, and the track beam and the second portal frame are matched to achieve transportation of the to-be-loaded pipeline to the first portal frame. Different from an existing manual pipeline butt joint mode, a pipeline hoisting point is arranged at the top of the slope, the pipeline hoisting, transporting and butt joint process is controlled through the portal frame control system, operation is completed through automatic control, labor is reduced, the labor cost is reduced, and the construction efficiency is improved.

The invention discloses an automatic container terminal quay crane operation mode intelligent switching system and method, and the system comprises a mode management unit which is used for defining an automatic mode, a manual intervention mode and a special mode, and configuring mode switching conditions; the dynamic safety detection unit is used for monitoring the lifting appliance height and container operation area parameters in real time, the types of containers comprise tanks, overrun boxes and dangerous goods boxes, and the types of operation areas comprise an on-board area, a bridge bottom IGV operation area and a bridge rear container truck operation area; the task coordination engine unit is used for responding to the mode switching request and executing a corresponding task; and the abnormity recovery unit is used for triggering a task recovery or manual intervention mode based on the container carrying state of the lifting appliance and the ID of the container when the special mode is switched back to the automatic mode. According to the embodiment of the invention, while the cost advantage of a single-trolley automatic system is maintained, the system safety and the operation efficiency are optimal, and a brand new solution is provided for automatic modification of a wharf.

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.

The invention relates to a calibration installation method and system for an underwater square block, and belongs to the technical field of underwater square block installation. The calibration and installation method of the underwater square block comprises the steps of square block calibration, square block hoisting, navigation route generation and square block hoisting guidance. Wherein the square block calibration step comprises the following steps: after the square block is prefabricated, mounting a target on the top surface of the square block, scanning the top surface of the square block and the target arranged on the top surface of the square block through a three-dimensional laser scanner at the top of the gantry crane, and obtaining the size parameters of the top surface of the square block and the relative position relationship between the feature points of the target and the top surface of the square block. According to the calibration and installation method of the underwater square block, the size parameters of the square block and the position of a target feature point are accurately obtained through a three-dimensional laser scanner, and a reliable data basis is provided for subsequent hoisting; the measurement and control device monitors the position and posture of the square block in real time and automatically generates a navigation route in combination with design position coordinates, and it is ensured that the square block can be accurately hoisted to the target position.

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.

A load handling device for lifting and moving one or more containers stacked in a storage system with a grid framework structure supporting a plurality of tracks arranged in a grid pattern to define a grid structure above the one or more stacks of containers, the load handling device including:A) a driving mechanism;B) a vehicle body housing:i) a container receiving space located above the tracks;ii) a lifting device having a lifting drive assembly and a grabber; andiii) a cassette housing a rechargeable power source for powering the driving mechanism; wherein a thermal management system includes a temperature sensor and at least one temperature regulating device configured to maintain the temperature of the rechargeable power source.

A robotic load handling device for lifting and moving one or more storage containers stackable in a storage and retrieval system The container lifting mechanism includes: a grabber device comprising a first gripper assembly configured to releasably engage the storage container and a second gripper assembly configured to releasably engage the insert nested within the storage container; at least one actuating mechanism configured to actuate the second gripper assembly independently of the first gripper assembly to separately engage the insert nested within the storage container; and (iii) a drive mechanism configured to raise and lower the grabber device to vertically move the insert out of the storage container to a raised position at which the insert base is above the storage container and to a lowered position at which the insert is nested within the storage container when the second gripper assembly is engaged with the insert.

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.

A method and load-handling device for lifting and moving containers are disclosed, the load-handling device including: a body having an upper portion and a lower portion, the upper portion being configured to house one or more operation components, the lower portion being arranged beneath the upper portion, the lower portion including a container-receiving space for accommodating at least part of a container; and a container-lifting mechanism including a container-gripping assembly configured to releasably grip a container and a raising and lowering assembly configured to raise and lower the container-gripping assembly, wherein the raising and lowering assembly including a single motor configured to raise and lower the container-gripping assembly.

A gripping device for being suspended from a load handling device for lifting and moving containers stacked in stacks in a grid storage structure including a plurality of tracks arranged in a grid pattern above the stacks of containers. The gripping device including a frame having a top side and a bottom side. The frame has a substantially downwardly extending peripheral wall defining at least one opening through the top side and bottom side of the frame. A gripping mechanism is mounted to the peripheral wall and is configured to releasably grip a container from below the frame.

A photovoltaic array semifinished product (2000) mounting device (1000), comprising: a gantry body (100), comprising a vertical supporting assembly (11), a transverse supporting assembly (12), and a locomotion mechanism assembly (13), wherein the transverse supporting assembly (12) is borne on one side of the vertical supporting assembly (11) in the vertical direction, the locomotion mechanism assembly (13) is arranged on the other side of the vertical supporting assembly (11) in the vertical direction, and the transverse supporting assembly (12) and the vertical supporting assembly (11) define and form an operation space; a carriage (200), comprising a frame (21), wherein the frame (21) is slidably connected to the transverse supporting assembly (12) of the gantry body (100) and can be connected to a lifting appliance (900), the lifting appliance (900) is configured to hoist the photovoltaic array semifinished product (2000) in the operation space, and the photovoltaic array semifinished product (2000) comprises a plurality of photovoltaic panels; and a fine-adjustment device (300) configured to drive the lifting appliance (900) to move in a first direction (X) and / or a second direction (Y) relative to the frame (21), so as to adjust the position of the lifting appliance (900) in the first direction (X) and / or the second direction (Y), thereby accurately aligning and mounting the photovoltaic array semifinished product (2000), and improving the mounting operation efficiency and the mounting precision.

The invention relates to an offshore lifting appliance, a measurement and control system applying the offshore lifting appliance and a square block lifting method, and belongs to the technical field of underwater square block lifting. The offshore lifting appliance comprises a lifting frame, a lifting hook, an unhooking device and a measuring tower, wherein the hoisting frame is used for being connected with hoisting equipment; the lifting hook is installed below the lifting frame, hinged to the lifting frame and used for being connected with a lifting hole of the prefabricated square block. The unhooking device comprises an unhooking frame, a driver and a connecting rod and is used for realizing automatic hooking and automatic unhooking of the lifting hook; the measuring tower is fixedly installed above the hoisting frame, comprises stand columns installed on the periphery of the hoisting frame and an upper measuring platform on the tops of the stand columns, and is used for measuring positioning data of the offshore hoisting tool. The offshore lifting appliance, the measurement and control system applying the offshore lifting appliance and the square block lifting method are combined with a measurement tower and an unhooking device, so that positioning information of the lifting appliance can be obtained in real time, the positions of the lifting appliance and the square block are adjusted in time, and the installation precision of the square block is ensured; and meanwhile, the risk of manual operation can be reduced through underwater automatic unhooking.

A method and load-handling device for lifting and moving containers are disclosed, the load-handling device including: a body having an upper portion and a lower portion, the upper portion being configured to house one or more operation components, the lower portion being arranged beneath the upper portion, the lower portion including a container-receiving space for accommodating at least part of a container; and a container-lifting mechanism including a container-gripping assembly configured to releasably grip a container and a raising and lowering assembly configured to raise and lower the container-gripping assembly, wherein the raising and lowering assembly including a single motor configured to raise and lower the container-gripping assembly.

The invention relates to the technical field of steam turbine rotor maintenance, and discloses a hoisting mechanism for steam turbine rotor maintenance, which comprises a main body assembly, a travelling crane, a hook, a hoisting ring, a balance hoisting rod, a hoisting piece and a rotor, the hook is arranged below the travelling crane, the hoisting ring is positioned on the hook, the balance hoisting rod is fixed in the hoisting ring, and the hoisting piece is arranged on the hoisting ring. The hoisting piece is located at the bottom of the balance hoisting rod, and the rotor is arranged below the balance hoisting rod; and the balance assembly is arranged on the balance suspender and comprises a balancing weight sliding on the surface of the balance suspender. The rotor hoisting device has the beneficial effects that by arranging the balance assembly, the weight of a rotor can be automatically balanced when the rotor is hoisted, so that the rotor is kept in a horizontal state, and the position of a hoisting belt does not need to be manually adjusted for multiple times; and when the rotor is hoisted, the balancing weight can be automatically reset, so that the balancing weight does not need to be manually and additionally operated.

The present invention discloses a hoisting method for high-rise building construction, which includes the following specific steps: S1. Installation of hoisting equipment, the hoisting equipment includes a walking structure, a tower column body, an external climbing frame, a crossbeam track, and a hoisting trolley; S2. Construction of a climbing foundation, first construct the core area of the second floor, and the hoisting equipment climbs to the floor slab of the core area by using its own jacking system; S3. The hoisting equipment hoists and transports building consumables; S4. Dismantling. The hoisting method proposed in this application, during the construction of high-rise buildings, as the building height gets higher and higher, the hoisting equipment uses its own hoisting system to achieve climbing with a large height difference, with less use and occupancy of standard sections, reducing the construction cost. The hoisting equipment moves on the roof of the building, covering the entire construction area, and it is more convenient to hoist building materials to the destination, solving the problems of limited operation radius of existing tower crane equipment, more structural steel used for jacking, and high maintenance cost for setting up multiple tower crane equipment at the same time.

The shipbuilding portal crane comprises a main beam, a rigid leg assembly, a flexible leg assembly, a crane electric control system, a detection device, a track and a scale, the rigid leg assembly and the flexible leg assembly are symmetrically arranged at the two ends of the main beam, and the crane electric control system is connected with the rigid leg assembly and the flexible leg assembly. Detection devices are arranged at the bottoms of the rigid leg assembly and the flexible leg assembly, the rails are symmetrically laid on the ground, the rigid leg assembly and the flexible leg assembly are slidably arranged on the rails, and the scales are symmetrically arranged on the ground on the inner sides of the rails. The detection device comprises a support, a pointer, a camera and a graphic processing device, the pointer is arranged on the support, the camera is arranged on the side, close to the pointer, of the support, and the graphic processing device is arranged on the support and connected with the camera. Deviated operation of the crane is effectively avoided, position information of the crane can be known in real time, rail gnawing of the crane is effectively avoided, operation precision is improved, and reliable operation is guaranteed.

The invention discloses an electric hoist rope protection device, and relates to the technical field of electric hoists. The device comprises a fixing plate, a bobbin is fixedly installed on the fixing plate through a first connecting plate, a wire wheel is rotatably installed in the bobbin, a steel wire rope is wound around the wire wheel, a worm wheel is fixedly installed on a rotating shaft of the wire wheel, the worm wheel is meshed with a worm, the worm is fixedly installed at the output end of a driving motor, and a first transmission wheel is fixedly installed on the worm. The first transmission wheel is in transmission connection with a second transmission wheel through a first transmission belt. The reciprocating threaded rod drives the moving block and the sleeve to reciprocate, the steel wire rope is evenly wound on the wire wheel, the phenomena of rope disorder and rope stacking are effectively avoided, abrasion and fatigue damage of the steel wire rope are reduced, and therefore the service life of the steel wire rope is prolonged. And meanwhile, the stability of the steel wire rope in the winding and unwinding process is guaranteed, and the safety and stability of lifting operation are improved.

The invention relates to the technical field of truss positioning and transshipment, in particular to a positioning and clamping device and a semi-portal type transshipment truss.The positioning and clamping device comprises a positioning seat, a rotary driving part and a clamping part, the rotary driving part is installed at the upper end of the positioning seat, the positioning seat is driven to rotate through the rotary driving part, and the clamping part comprises a bidirectional driving part and two sets of clamping jaws; a clamping sliding rail is installed on the positioning seat, the two sets of clamping jaws are connected to the two ends of the clamping sliding rail in a sliding mode through clamping jaw sliding blocks respectively, the two-way driving piece is installed on the positioning seat, the two clamping jaws are driven by the two-way driving piece to synchronously and reversely move, the two clamping jaws are symmetrically installed relative to the two-way driving piece, and positioning grooves are formed in the clamping jaws. The positioning groove is in a V shape, and the horizontal distance between the two inclined side walls of the positioning groove is gradually reduced. The clamping and butting device has the effects of further reducing the clamping and butting work difficulty and improving the universality of the truss.

The invention discloses a remotely-controlled GIS equipment lifting machine and a lifting method, a mounting bracket is rotatably arranged on a lifting platform, symmetrical clamping devices are arranged on the two sides of the mounting bracket, and each clamping device comprises a clamping motor, an arc-shaped side plate, an arc-shaped rack arranged in the side plate and a lower pressing plate; the clamping motor can drive the arc-shaped rack to rotate and drive the pressing frame to press downwards through the lead screw mechanism so that the GIS pipeline can be sleeved and pressed tightly. According to the clamping device, the distance value is detected through the distance sensors before clamping, the two distance sensors are selected according to the measured effective distance value to judge the inclination angle of the pipeline in the GIS equipment, clamping is conducted after the angle of the mounting support is rotated, and during clamping, the clamping motor drives the two layers of stacked racks to be rotationally arranged on the pipeline of the GIS equipment in a sleeving mode; meanwhile, a clamping motor drives a lead screw mechanism to drive a pressing frame to press downwards so as to press the top of the GIS equipment pipeline, and therefore the GIS equipment pipeline part is fixed, and during fixing, a connecting arm makes contact with the pipeline to drive a hinge arm to move so as to drive a pressing arm to rotate and press the surface of the pipeline; and after a pressure sensor arranged at the side part of the pressing arm senses that the pressure value reaches a set threshold value, the clamping motor is stopped.