969results about "Travelling cranes" patented technology

The invention discloses a bridge crane anti-swing control method based on a neural network algorithm, and relates to the technical field of crane control, and the method comprises the following steps: collecting suspended load swing state variables of a bridge crane and establishing a dynamic model; the dynamic model is used for predicting the suspended load swing trend of the bridge crane, and a swing trend prediction result is obtained; feed-forward compensation control is carried out according to the swing trend prediction result, and a feed-forward control signal is obtained; performing real-time feedback correction on the movement of the bridge crane trolley according to the feedforward control signal to obtain a real-time correction control signal; and performing nonlinear compensation calculation according to the real-time correction control signal to obtain a final anti-swing control result. According to the invention, the method achieves the precise estimation of the future swing state, improves the prediction accuracy of the future swing state, achieves the advanced compensation, improves the response speed of a control system, enables a compensation strategy to adapt to different operation environments, and improves the control precision and robustness.

The invention relates to a method and a construction and / or a materials-handling machine for guiding and moving a working head, in particular a 3D print head, wherein at least three revolving tower cranes are attached to each other with their booms, wherein according to one aspect of the invention a guide beam carrying the working head is attached to at least two trolleys of two revolving tower cranes, and the working head is adjusted and moved in its working position by moving the trolleys along two booms of two revolving tower cranes.

The present disclosure is directed to a load positioning system, a partially-assembled bridge, and a process of assembling a bridge. The load positioning system includes a gantry extending over a structure of a partially-assembled bridge, the partially-assembled bridge at least partially extending over a physical feature, a load descent mechanism arranged and disposed to lower a load having a mass of at least 10 kg onto the structure, and a load location mechanism arranged and disposed to move the load from being laterally-proximal to a first location of the structure and laterally-distal to a second location of the structure to being laterally-distal from the first location of the structure and laterally-proximal to the second location of the structure. The load descent mechanism and the load location mechanism are physically supported by the gantry. The process of assembling a bridge includes using the load descent mechanism.

The invention relates to the technical field of crown blocks, in particular to an anti-derailing device for a crown block, which comprises a mounting shell, an anti-derailing device, an anti-derailing device and an anti-derailing device, the fixing frame is fixedly connected to the inner side of the mounting shell, and the inner side of the fixing frame is rotationally connected with a traveling wheel abutting against the track; the shovel plates are symmetrically arranged on the outer side of the mounting shell, are fixedly connected with the mounting shell and abut against the outer wall of the track; the limiting protection unit is arranged between the mounting shell and the track, is fixedly connected with the mounting shell and abuts against the track; wherein the limiting protection unit comprises a turnover type limiting assembly, a synchronous driving control assembly, an automatic closing assembly and an auxiliary parking assembly, the limiting protection unit is arranged, the mounting shell can be stably limited on the rail, and then it is guaranteed that the lifting crown block does not derail when moving on the rail; and people can maintain the equipment on the outer side of the mounting shell.

An elevator cage is used in an energy storage and delivery system to move blocks between a lower elevation of a tower and a higher elevation of a tower to store energy and to move blocks between a higher elevation of the tower and a lower elevation of the tower under force of gravity to generate electricity. The elevator cage removably receives a block thereon and supports the block on at least three sides.

A service vehicle moves on a rail system of an automated storage and retrieval system. The service vehicle includes a container handling vehicle part for storing a container handling vehicle operating on the rail system, and wheels for allowing movement of the service vehicle along the rail system during operation. The service vehicle further includes a displacement mechanism, and a hoist arrangement connected to the displacement mechanism. The displacement mechanism and the hoist arrangement are configured for moving the container handling vehicle between an operational position on the rail system and a loaded position within the container handling vehicle part.

A fixed time anti-interference sliding mode tracking control method for an under-actuated bridge crane comprises the following steps: firstly, designing a disturbance observer which can converge in fixed time and is used for accurately estimating disturbance in a system so as to provide effective disturbance compensation information for a subsequent control strategy; secondly, in combination with the fixed time disturbance observer, a sliding mode controller is provided to ensure that the crane can accurately track a given trajectory and enable a tracking error to converge to a sliding mode surface within a fixed time. According to the invention, accurate positioning of the trolley can be realized, and load swing can be effectively inhibited in a complex environment. According to the method, the control precision and robustness of the under-actuated bridge crane in a disturbed environment can be remarkably improved, and an effective solution is provided for crane control under complex working conditions.

The invention belongs to the technical field of cranes, and discloses an energy-saving bridge crane and a using method thereof.The energy-saving bridge crane comprises two longitudinal bridge guide rails, a transverse bridge guide rail is movably installed at the position between the top ends of the two longitudinal bridge guide rails, and a lifting frame is movably installed at the bottom end of the transverse bridge guide rail; hoisting cables are installed at the positions, close to the four corners, of the bottom end of the hoisting frame, the hoisting cables are connected with an external cable crane, and a telescopic rod is fixedly installed in the middle of the bottom end of the hoisting frame. Through rotation of the lead screw and the cooperation effect between the movable base and the adjusting assemblies and between the movable base and the stabilizing assemblies, after the device completes hoisting of goods, the multiple stabilizing assemblies can be automatically close to one another by operating the lead screw, so that after the goods are hoisted again, the side edges of the goods can make contact with the multiple stabilizing assemblies, and the stability of the goods is improved. And through the limiting effect of the stabilizing assembly, shaking of goods during hoisting is reduced, potential safety hazards are reduced, and safety accidents are avoided.

A storage system includes a framework structure, at least one container lift device, and a plurality of storage containers. The framework structure includes multiple storage columns, in which the storage containers are stored on top of one another in vertical stacks. The container lift device includes a lifting frame for releasable connection to one of the storage containers when the lifting frame is lowered into one of the storage columns to retrieve said storage container. An outer periphery of each storage container includes a vertical guiding pin recess at each of four container corners. A vertical guiding pin is provided at each of four frame corners of the lifting frame. A lower part of at least two of the guiding pins have a container support portion including a container support surface.

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 invention provides an integrated mounting system and method for a high-temperature gas cooled reactor core supporting structure, and relates to the technical field of nuclear power construction, the integrated mounting system for the high-temperature gas cooled reactor core supporting structure comprises a pre-assembly plant, and a bridge crane is arranged in the pre-assembly plant; the first operation platform is provided with pre-assembly cabins arranged in multiple rows and multiple columns, each pre-assembly cabin is correspondingly provided with two cantilever cranes, and the cantilever cranes are used for reshipment, namely installation, of equipment in the pre-assembly cabins. The integrated mounting system for the high-temperature gas cooled reactor core supporting structure solves the problem that the reactor core supporting structure is lack of an integrated pre-assembly environment outside a nuclear island plant, and provides guarantee for smoothly realizing integrated pre-assembly of the reactor core supporting structure outside the nuclear island plant; the construction difficulty is correspondingly reduced, the construction operation environment is improved, and the construction level of nuclear power engineering in China and the economical efficiency of high-temperature gas cooled reactor nuclear power are improved.

Overhead crane (1) with a guide rail arrangement (3) with a guide rail (5) on which a crane trolley (7) can be moved by means of a running gear device (9), and with at least two parallel track support rails (13), wherein the guide rail (5) is fastened to running gears (19) guided in the track support rails (13) and can be moved on the track support rails (13) by means of the running gears (19), wherein each of the track support rails (13) is fixedly fastened to an environment by means of at least two spaced-apart suspension devices (15), and wherein a measuring device (17) for directly or indirectly detecting a force directed in the direction of gravity is arranged on at least two of the suspension devices (15) of each of the track support rails (13).

A handling hanging claw assembly, comprising a plurality of hanging claw main bodies (1), which are connected with corresponding movable ends, so that the item to be transported is restricted between the corresponding hanging claw main bodies; Each hanging claw main body is floatingly provided with a plurality of floating claws (2), and a resetting structure is arranged between the floating claws (2) and the hanging claw main body for providing resilience. In the first state, the hanging claw main bodies distributed on both sides of the item to be transported is moved in a first direction towards the item to be transported, so that part of the floating claws are displaced by a pressure of the item to be transported in the first direction of the movement, and the remaining floating claws form an enclosure partially on aside wall of the item to be transported, so as to limit the displacement of the item to be transported. In the second state, the hanging claw main bodies distributed on both sides of the item to be transported is moved away from the item to be transported in a second direction, so that part of the floating claws rebound in the second direction of movement and return to the initial state, so that the hanging claw main body is relieved of the restriction relative to the item to be transported.

The invention relates to the technical field of bridge crane work monitoring, in particular to a safety control method and system for a bridge crane, and the method specifically comprises the following steps: extracting real-time hoisting cargo state data of the bridge crane; importing the real-time hoisting cargo state data into a dynamic falling area evaluation strategy to obtain a dynamic falling area, and projecting the dynamic falling area to the ground; predicting a moving track of the violation person through a track state prediction model; fusing and evaluating the safety work threat coefficient of the bridge crane and adopting a safety control strategy. The problems that in the prior art, for a warning mode of drawing pedestrian path marking lines on the ground of an operation area, the situation that the working position of a bridge crane is not fixed, the marking lines cannot move dynamically, and the warning effect is not timely are not considered.

An automation device for packaging bag transport and input, includes: a rail disposed above a certain height in a horizontal direction; a hanger mounted on the rail to be capable of reciprocating in the horizontal direction, and enabling to reciprocate a packaging bag mounted at the lower end thereof in a vertical direction; a hopper disposed at the bottom of the rail and into which raw materials inside the packaging bag moved by the hanger are introduced; a hit post disposed near an inlet of the hopper and resolving an agglomeration phenomenon of the raw materials as the packaging bag is hit by the vertical direction reciprocation of the hanger; and grippers blocking the discharge of the raw materials by gripping the bottom of the packaging bag in which the input of the raw materials to the hopper is completed.

A device for load handling is disclosed that can be installed in a transportation unit. The device comprises a holding arm, a support frame and a first rotation structure. The holding arm comprises a horizontal arm part, a vertical arm part and a handling head. The support frame comprises a first support frame side and a second support frame side. The second support frame side comprises a first end of the second support frame side and a second end of the second support frame side. The first rotation structure comprises a disc-like rotation unit for rotating the horizontal arm part. The diameter of the rotation unit is less than half of the length of the second support frame side, and the rotation unit is positioned nearer to the first support frame side than to the first end of the second support frame side.

A multi-tower linkage type aerial hoisting platform includes: four tower crane body lifting / lowering parts respectively disposed in an outer periphery of a building to form a rectangle through enclosure, and including a tower crane body and a self-climbing lifting / lowering system that is capable of climbing or descending step by step along the tower crane body; four tower-crane-body-connected support beams, respectively disposed on two opposite self-climbing lifting / lowering systems, where a hoisting platform enclosed by the tower-crane-body-connected support beams is driven by the self-climbing lifting / lowering systems to move up and down synchronously; and four movable tower crane bases, respectively disposed at lower ends of the four tower crane body lifting / lowering parts, including movable chassis that are used as movable supports with a variable platform angle and support parts disposed on the movable chassis, where four corners of the support parts are respectively provided with rotary drilling fastening parts.

The lifting and moving working platform comprises a bridge frame, a track beam and a track lifting device, the track beam is arranged on the top face of a box type building, the bridge frame is movably connected to the track beam in the length direction of the track beam and used for installing working equipment, and the track lifting device is installed on the bridge frame and comprises a limiting part. The limiting part can limit the track beam in the vertical direction, so that the bridge frame and the track beam can synchronously ascend and descend in the vertical direction while relative movement of the bridge frame and the track beam in the length direction is not interfered, and the bridge frame and the track beam can serve as an integral module to be hoisted and placed. The working platform is reasonable in structural arrangement, convenient to move, high in automation degree and capable of achieving rapid hoisting and mounting, and the working efficiency is improved. The invention further provides a specific building structure disassembling method.

The invention relates to a crane trolley assembly (604′,604″,604″′) comprising: —a crane trolley (603a,603b,603c,603d,603e,603f) configured for guided movement along a beam (601,602) of a crane (600); —a lifting frame (504) configured for connection to a storage container (106) to lift the storage container (106) from above through a first vertical movement range (R1) and a second vertical movement range (R2) of the lifting frame (504); —a plurality of lifting members (505) suspending the lifting frame (504) below the crane trolley (603a,603b,603c,603d,603e,603f) for lifting and lowering the lifting frame (504) through at least the second vertical movement range (R2); and —a stabilizer (620′,620″,620″′) extending below the crane trolley (603a,603b,603c,603d,603e, 603f); wherein a lower end (620L′,620L″,620L″′) of the stabilizer (620′,620″,620″′) is configured to interact with the lifting frame (504) in order to stabilize the lifting frame (504) during the first vertical movement range (R1) of the lifting frame (504), and wherein the stabilizer (620′,620″,620″′) and the lifting frame (504) are configured to move vertically relative each other when in the second vertical movement range (R2) of the lifting frame (504). The invention further relates to an associated automated storage and retrieval system and methods of transferring a storage container.

The utility model discloses an adjustable electric single-beam crane which comprises an electric hoist, a steel wire rope and a main beam, the electric hoist is connected with a fixed seat through one end of the steel wire rope, and the adjustable electric single-beam crane further comprises a clamping mechanism, a lifting mechanism and a lifting mechanism, and the clamping mechanism comprises two second hoisting frames, two second electric telescopic rods and two connecting rods, the movable ends of the second electric telescopic rods are fixedly connected with limiting clamps, mounting plates are hinged to the inner walls of the opposite sides of the limiting clamps, and connecting blocks are arranged on the two sides of the second hoisting frames. The adjustable electric single-beam crane disclosed by the utility model has the effects that the adjustable electric single-beam crane can flexibly adapt to and clamp heavy objects with different shapes and sizes, the objects are prevented from slipping in the carrying process, the safety and the working efficiency during operation are improved, and the labor burden is reduced.

A system and method for construction of a framed structure which permits on-site storage and relocation of construction materials using trolleys and cranes supported by the framed structure. The system provides a runway surface for removable attachment of trolleys, crane bridges, and platforms by offsetting the first longitudinal beam and a second longitudinal beam from a cross beam and where the first longitudinal beam, second longitudinal beam, and cross beam of the system provide components for the framed structure.

The invention provides a load-carrying travelling crane positioning method and device based on a gauge pile, and the method comprises the steps: recording a real-time coding value and a calibration signal of an encoder of a travelling crane at the current moment when the travelling crane receives the calibration signal of the gauge pile, and determining the actual position of the travelling crane relative to a reference point at the current moment; based on the real-time coding value and the standard coding value, determining the coding deviation of the driving at the current moment; based on the actual position and the standard positioning value, determining the position deviation of the travelling crane at the current moment; the standard deviation of the encoder is determined based on the real-time encoding value of the encoder within the past preset number of times of driving; when the absolute value of the position deviation is greater than a preset position deviation threshold value and the standard deviation is within a preset standard deviation interval, performing equivalent updating on the current equivalent between the encoder and the crane rail based on the encoding deviation and the position deviation to obtain a new equivalent; according to the invention, accurate positioning of the load-carrying travelling crane can be realized.

The invention provides a hoisting sling with an anti-slip structure, and relates to the technical field of hoisting slings. Two sets of welding seats are welded to the left side and the right side of the fixing frame correspondingly, hinge arms are hinged to the lower ends of the welding seats, bottom rods are fixed between the two sets of hinge arms close to the left end of the fixing frame and between the two sets of hinge arms close to the right end of the fixing frame correspondingly, and clamping seats are installed on the bottom rods through bolts; a third hydraulic rod extends to enable a clamping plate to clamp a steel structure, rotating arms are hinged to the left side and the right side of a top frame, fifth hydraulic rods are installed between the rotating arms and the top frame, and centering plates are installed between the two sets of rotating arms close to the left side of the top frame and between the two sets of rotating arms close to the right side of the top frame. The two ends of the steel structure are clamped through two sets of centering plates by extending the fifth hydraulic rods, the steel structure is located under the top frame, when the steel structure is clamped through the clamping plates, the gravity center of the steel structure can be prevented from shifting, and the safety during hoisting is improved.

A system for servicing a nuclear reactor module comprises a crane operable to attach to the nuclear reactor module, wherein the crane includes provisions for routing signals from one or more sensors of the nuclear reactor module to one or more sensor receivers.

The invention discloses a crane anti-collision device, and belongs to the technical field of crane anti-collision mechanisms, the crane anti-collision device comprises two oppositely arranged support frames, cross beams are slidably arranged at the tops of the support frames, plug-in units are respectively mounted on the opposite surfaces of the two cross beams, and pressing rods matched with the plug-in units are arranged on the two cross beams; gears are mounted on the two sides of the bottom of the cross beam, and racks meshed with the gears are fixedly arranged on the top face of the supporting frame; the rotating shafts are matched with the sleeves, when one beam moves to be close to the other beam, the beam in the static state can be locked with the transverse plate, and therefore the situation that the two beams collide and move on the supporting frame can be avoided, when the two beams move to be close to each other at the same time, the insertion rods cannot be inserted into the insertion holes, and the insertion rods cannot be inserted into the insertion holes. Therefore, the situation that the goods swing due to sudden stop of the two cross beams is avoided.

The invention discloses a counterweight battery installation auxiliary arm which comprises a moving mechanism, a main mechanical arm, a rotary joint, a mechanical arm, an operating handle, a lifting hook, a suction cup, an air source pipeline and a safety protection valve, the main mechanical arm is arranged on the moving mechanism in a multidirectional adjustment mode, and the mechanical arm is rotatably arranged on the main mechanical arm through the rotary joint; the operating handle is arranged on the manipulator, the lifting hook is arranged at the front end of the bottom of the manipulator and used for lifting a battery, the suction cup is arranged at the bottom of the manipulator and used for adsorbing a balancing weight, the air source pipeline is connected with the suction cup and used for providing suction force for the suction cup, and the safety protection valve is arranged on the air source pipeline and used for preventing the balancing weight adsorbed on the suction cup from falling off after air is cut off. The overall structure is simple, multidirectional movement can be achieved, it is effectively ensured that the balance weight and the battery can be accurately moved to the designated installation position, manpower is effectively reduced, the assembling efficiency is improved, the falling risk of the balance weight in the moving process is effectively avoided, and the transportation safety is improved.

The utility model discloses a novel bridge crane and relates to the technical field of cranes. The novel bridge crane comprises a first bridge side frame, a second bridge side frame and a hoisting assembly, the hoisting assembly comprises a base, hoisting moving wheels, a moving servo motor, two lifting rope winding drums, a transmission box, a hoisting motor, a hoisting frame, a rope winding drum and a hook, the two lifting rope winding drums are arranged side by side, and the hoisting motor is in transmission connection with the side ends of the lifting rope winding drums through the transmission box. The base moves along the guide rail through the lifting moving wheel, the moving servo motor is in transmission connection with the lifting moving wheel, the bottom end of the base is provided with the lifting frame, and the lifting frame adjusts and lifts the rope winding drum through a steel rope. The bridge crane disclosed by the utility model is large in lifting weight and simpler in structure; the lifting rope winding drums are independently controlled through the double lifting motors, so that lifting is effectively guaranteed; the relative position of the hoisting assembly is flexibly and finely adjusted by moving the servo motor, and the structure matching application effect is good.

The utility model discloses a gantry type plate transferring device which comprises a moving frame, a hanging frame, a lifting mechanism, a hooking mechanism, a moving mechanism and two portal frames. A plate discharging station, a plate feeding station and a plate processing station are arranged between the two portal frames; the moving mechanism is mounted on the moving frame; the moving mechanism drives the left end and the right end of the moving frame to move in the guiding direction of the two portal frames. The lifting mechanism is erected on the moving frame; the hanging frame is hung on the moving frame in a lifting manner through a lifting mechanism; the hooking mechanism is mounted on the hanging rack; and the hooking mechanism is used for hooking the grating frame. Through cooperation of the lifting mechanism, the hooking mechanism and the moving mechanism with the moving frame and the hanging frame, feeding from the plate feeding station to the plate machining station, discharging from the plate machining station to the plate discharging station and grating frame transferring from the plate discharging station to the plate feeding station can be completed, manual carrying is not needed, the labor intensity can be reduced, and the production efficiency is improved. The working efficiency is improved.

The invention discloses a three-dimensional portal girder crane for quickly assembling a spherical hinge module trolley. The three-dimensional portal girder crane comprises a bailey track beam, the spherical hinge module trolley, an assembled portal, a module walking lifting trolley and a hydraulic and electrical control system. The four sets of spherical hinge type module trolleys can rotate around the centers of the spherical hinge type module trolleys respectively and can walk on linear or curve rails under the guiding effect of steel rails, the assembled portal is composed of standard modularized steel pipe main columns and bailey beams, the portal and the four module lifting trolleys can be assembled according to needs, and the assembled portal is formed by assembling the standard modularized steel pipe main columns and the standard modularized bailey beams. The module walking lifting trolley can be a wheel track type module walking lifting trolley or a hydraulic sliding type module walking lifting trolley, four lifting points achieve four-change-three stress through steel wire penetrating and winding, heavy objects are lifted together, all the lifting hooks can achieve lifting action in a three-dimensional space, multi-degree-of-freedom accurate alignment of the lifted heavy objects in the high-altitude three-dimensional space can be well achieved, and the lifting effect is good. The steel ropes at the four lifting points are all used for vertically lifting heavy objects, and the height of the portal can be reduced under the working condition of the same lifting height.