155 results about "Gantry crane" patented technology

This invention relates to a force feedback handle and its control method, belonging to the field of human-computer interaction technology based on tactile and force sensing. The force feedback handle is not only miniaturized but also has advantages such as low moment of inertia and good response, making it applicable to gantry crane operation, robot manipulation in extreme environments, and helicopter towing. The force feedback handle of this invention exhibits independent motion in two degrees of freedom, requiring no decoupling. In use, by interactively controlling the position of the handle in both degrees of freedom with the feedback force—that is, increasing the absolute value of the position in one degree of freedom corresponds to a corresponding increase in the damping force in the other—accidental activation can be prevented.

The utility model discloses a kind of across shaft portal crane combined track beam structure, including the reinforced concrete track beam of ground part;Combined track beam across shaft part, the combined track beam is composed of custom steel box girder and the reinforced concrete track beam arranged thereon;Custom steel box girder is connected with enclosure structure by pre-embedded steel plate, and its top elevation is flush with the top elevation of the reinforced concrete track beam of ground part;Combined track beam and the reinforced concrete track beam of ground part are connected, form continuous portal crane track support structure;The device solves the problem that the track beam cannot be set on the ground due to the limitations of site or the width and span of foundation pit in the prior art;It has the characteristics that large-diameter circular shaft portal crane track beam can be arranged across shaft.

The application relates to the technical field of warehouse handling, and discloses an auxiliary handling structure suitable for a first storage position frame and a second storage position frame, the storage position height of the first storage position frame is a first height interval, the storage position height of the second storage position frame is a second height interval, the first height interval is higher than the second height interval; the auxiliary handling structure further comprises an auxiliary handling device and a gantry crane handling device; the application is aimed at the scene that the automatic equipment cannot participate in handling due to power failure or faults of STK (a stereoscopic warehouse device), two pure mechanical handling links covering high-layer storage positions and low-layer storage positions are arranged, so that Mask Case (mask boxes) in different height intervals can be safely taken, placed and transferred. First, the Case (mask boxes) in the high-layer storage positions is transferred to a ground controllable area by a lift truck, so that the operation risk at a high position is obviously reduced, thereby reducing the safety hidden dangers caused by personnel climbing and high-altitude lifting.

This invention relates to the field of truss processing technology, specifically to an integrated welding fixture and welding process for trusses. The fixture includes a base plate with a first base and a second base fixed to it. The first and second bases are equipped with fixing mechanisms. A cylinder is mounted on the first base and connected to a web member positioning mechanism. Receiving grooves are provided on both the first and second bases. This invention enables rapid positioning of web members during truss welding, ensuring welding accuracy. After each web member is welded, the positioning component continues to slide, and a flip-up elastic clamping component automatically separates the welded web member from the clamping component, preventing interference with subsequent web member welding. Furthermore, after all truss welding is completed, the web member positioning component can be stored in the receiving groove, ensuring it does not interfere with the truss disassembly path. This achieves interference-free, rapid unloading and improves production efficiency.

The utility model provides a kind of large-tonnage portal crane's supporting leg structure, including rigid supporting leg, flexible supporting leg and the main beam of connecting rigid supporting leg and flexible supporting leg;Rigid supporting leg includes two symmetrically arranged first supporting legs, the upper end of two first supporting legs is provided with first support seat, the downside middle part of first support seat is provided with inverted V-shaped gap, the inclined side surface of the both sides of inverted V-shaped gap is opposite to the side surface of first supporting leg and is located in the same plane;The lower end of two first supporting legs is connected by first ground beam, and the downside of first ground beam is provided with travelling trolley;Flexible supporting leg includes two symmetrically arranged second supporting legs, the top of two second supporting legs is provided with wedge-shaped gap correspondingly, two wedge-shaped gaps are docked, the lower end of two second supporting legs is connected by second ground beam, and the upper end of two second supporting legs is provided with second support seat.The large-tonnage portal crane's supporting leg structure is more stable, and the bearing capacity is stronger, not easy to deform, suitable for being applied to large-tonnage portal crane.

The application discloses a kind of portal crane steady control system, comprising: wire rope monitoring unit, vibration monitoring unit, wind monitoring unit, absolute value encoder module, self-locking control unit, drive unit, PLC control unit, generate the first control signal of hoisting mechanism, the action of hoisting mechanism is driven by drive unit;For based on the abnormal vibration degree of key position of portal crane structure, when generating the second control signal of inhibiting or eliminating the abnormal vibration of key position of portal crane structure, the action of luffing mechanism, hoisting mechanism, slewing mechanism or trolley mechanism of portal crane is controlled by drive unit;Based on the real-time wind direction angle of bulk cargo terminal operating environment, the real-time angle of slewing mechanism transmitted by absolute value encoder module is compared, and the third control signal is generated by real-time wind speed, control drive unit and self-locking control unit, realize adaptive control to portal crane slewing structure.

This utility model relates to a track leveling and calibration mechanism, specifically, a track leveling and calibration mechanism for a gantry crane. It includes an adjustment mechanism and a rotation mechanism, which are used to adjust the horizontal state of the track body 3 on top of the gantry crane. The adjustment mechanism drives the track body to rotate around the rotation mechanism. The adjustment mechanism includes a first mounting bracket bolted to one end of the track body, with a rotating plate rotatably connected to the first mounting bracket. A level is mounted on the rotating plate. This utility model, by setting up the adjustment and rotation mechanisms, initially installs the track body on top of the gantry crane. Workers drive the adjustment mechanism to rotate one end of the track body around the rotation mechanism, thereby leveling the track body. This eliminates the need for multiple workers to cooperate in leveling the track body, improving the efficiency of track leveling and reducing labor costs.

The utility model relates to the technical field of hoist, and disclose a general portal crane light weight trolley, including the frame, the frame is provided with two, two the frame between fixedly connected with the bottom plate, the bottom plate top fixedly connected with the hoist device, the frame outside is provided with the support subassembly. The utility model discloses through the frame and transmits pressure to first rotating seat, to this power transmission to first connecting ring, to this pressure transmission to sleeve and fixed disc, to this pressure transmission to second rotating seat, to this can be to the pressure and divide, and through the cooperation of first sliding rod, sleeve, fixed disc and spring, to this can make the frame in the appearance deformation, sleeve and first sliding rod can be under the action of spring, carry out the length adjustment, to this make the wheel can always contact the hoist, to this reduce the appearance wheel and be loaded too heavy, lead to the possible of appearing damage, to this reduce the possible maintenance time, to this improve production efficiency.

The utility model provides a subway prefabricated part hoist with portal crane, including crane body, the lifting hook of crane body is hoisted with the lifting appliance, and the lifting appliance has the connecting frame and the crane, and the both ends top of connecting frame all is provided with the lifting seat connected with the lifting hook of crane body, and the rotating adjusting mechanism is centrally arranged on the connecting frame, and the bottom of rotating adjusting mechanism is provided with the hinged lug plate, and the middle part of crane is rotatably connected with the hinged lug plate, and one end of connecting frame is hinged with the hydraulic cylinder, and one end of hydraulic cylinder is hinged with the top of crane away from connecting frame, and the both ends of crane are slidably provided with the sliding frame, and the bottom of sliding frame is symmetrically provided with the hook, and the moving adjusting mechanism that drives sliding frame to move and adjust is arranged on the crane, the utility model discloses can be convenient for the rotation angle and the inclination angle of prefabricated part to adjust, can also adjust the hook position flexibly, and the different specifications prefabricated part hoist is flexibly coped with.

This utility model relates to the field of crane technology and discloses a novel lightweight gantry crane, including a crossbeam. A first threaded rod is rotatably connected inside the crossbeam, and a moving block is threadedly connected to the surface of the first threaded rod. A fixed pulley is fixedly installed at the rear end of the crossbeam, and a driving structure is provided on the upper surface of the crossbeam. This utility model utilizes a second motor. The rotation of the output shaft of the second motor drives the rotation of a first gear. The meshing between the first and second gears causes the first threaded rod to rotate inside the crossbeam, which in turn drives the moving block to move left and right. Because the fixed pulley and ball bearings share the weight of the load lifted from the lower part of the moving block, this device uses the first threaded rod to drive the movement. The cooperation between the fixed pulley and the slide rail, and the rotation of the ball bearings inside the mounting strip, converts sliding friction into rolling friction, thus enhancing the service life of the device.

This utility model discloses a shredding mechanism for scrap steel bales, comprising a base steel plate, on one end of which is a supporting steel plate, which is horizontally and vertically arranged. A pointed cone seat is located at the top of the outer end of the supporting steel plate, and a high-strength pointed cone for shredding scrap steel bales is mounted on the pointed cone seat. This high-strength pointed cone is horizontally arranged. This utility model, through the design of a simple bales shredding mechanism, works in conjunction with a gantry crane to shred scrap steel bales, achieving good results, low cost, simple operation, and high efficiency. It can quickly shred large quantities of scrap steel bales in a workshop, highlighting its practical and promotional value.

The application relates to the technical field of crane girder manufacturing, and discloses a manufacturing process method of a gantry crane girder, A, a main girder web, namely a side plate, plane segmented manufacturing process; plate splicing welding; plate line marking; component welding; component assembly and welding; component assembly welding; B, main girder three-dimensional segmented manufacturing; jig frame manufacturing; reference plane segmented positioning; upper flange plane segmented positioning; intermediate inclined support positioning; bottom plate, namely lower flange, positioning; cover plate, namely side plate and web, positioning; three-dimensional segmented welding and stacking; when the crane girder is manufactured, the steel plate is transversely placed on the jig frame, so that the workers can conveniently weld and assemble, the manufacturing efficiency of the crane girder is improved, the bottom plate is outwardly inclined, so that the upper side edge can be hoisted conveniently during installation, the assembly work efficiency is improved, and the jig frame is manufactured into a shape with a middle part being high and two side parts being low, so that the crane girder is conveniently assembled.

This utility model discloses an anchoring structure for a gantry crane, including a base, a hydraulic anchoring mechanism, an anchor plate clamping mechanism, and a clamping auxiliary mechanism. The hydraulic anchoring mechanism includes a hydraulic cylinder, a support arm, a connecting frame, a rotating frame, a rotating rod, and an anchoring plate. The anchor plate clamping mechanism includes a clamping pipe, a clamping rod, a clamping groove, a transverse rod, a slope plate, a rotating block, and a slope groove. Hydraulic control provides strong support, ensuring the anchoring plate can make tight contact with the ground, thus improving the crane's stability. The clamping pipe, clamping rod, and other structures enable the anchoring plate to connect to the ground quickly and stably, and can be flexibly adjusted under different ground conditions. The design of the clamping mechanism improves the accuracy and efficiency of the clamping process. Components such as threaded rings and directional rings reduce friction between components, ensuring smooth operation of the clamping mechanism and enhancing the durability of the entire anchoring system.

The utility model belongs to the reel technical field, specifically is a kind of door seat machine's reel structure of shipyard dock lifting hatch cover, including support base;The top of support base is fixedly connected with portal frame, the top of the inside of portal frame is rotatably connected with rotating shaft, the surface of rotating shaft is fixedly connected with winding roller, the bottom of the inside of portal frame one side is fixedly connected with fixed sleeve, the surface of fixed sleeve is slidably connected with guide sliding sleeve, the one side of guide sliding sleeve is fixedly connected with sleeve rope ring, the surface of guide sliding sleeve on sleeve rope ring one side is fixedly connected with connecting rod;By setting reciprocating screw, it drives reciprocating sliding sleeve to do reciprocating motion, to drive lifting rope to move back and forth, so that it can be evenly wound on winding roller, and then lifting rope is evenly stressed, reduce the risk of breakage, to ensure the service life of lifting rope, reduce the cost of maintenance.

The utility model relates to a kind of gantry crane main beam inner truss structure and gantry crane main beam, comprising: support outer frame and truss unit, the support outer frame includes roof beam and a pair of side beams, a pair of the side beams symmetrically set in the both ends of the roof beam;The truss unit includes first tripod and at least one second tripod, one apex angle of the first tripod is connected with the roof beam, and the other two apex angles of the first tripod are connected with the side beam respectively;The apex angle of the second tripod is connected with the side of the first tripod away from roof beam, and the other two apex angles of the second tripod are connected with the side beam respectively.In the utility model, the inner truss of gantry crane main beam is modularized design, improves the installation speed and production efficiency of gantry crane.

The utility model provides a kind of door machine overload beam processing frock, belong to processing frock field, it includes frock base, the lower part of frock base is provided with workbench cooperation part, the upper surface of frock base is provided with positioning arc groove, and each positioning arc groove left and right sides is provided with a width positioning jacking mechanism.The utility model has beneficial effect in that, it can be through once clamping to realize the positioning of door machine overload beam in length direction, width direction, height direction simultaneously, and cooperate with existing numerical control machining center to realize door machine overload beam one-time processing, to reduce the labor intensity of operator, stabilize product quality, improve labor productivity, ensure production period.

This utility model discloses an intelligent multimodal bird-repelling device for outdoor cranes, including a sensing module, a bird-repelling module, a solar power supply module, a weather sensing module, and a main controller. Several sensing modules are arranged at equal intervals along the gantry crane frame, and are magnetically fixed to the frame. The sensing range of all sensing modules covers the entire gantry crane. Several bird-repelling modules arranged in an array on the top of the gantry crane are used for sound and light-based bird repelling, and the repelling range of all bird-repelling modules covers the entire gantry crane. The top of the gantry crane also has a solar power supply module, a weather sensing module, and a main controller. The sensing module, bird-repelling module, weather sensing module, and solar power supply module are all electrically connected to the main controller. The device automatically repels birds based on their presence and adjusts the bird-repelling mode according to the weather conditions, achieving efficient bird repelling.

This utility model discloses a safe and explosion-proof gantry crane, belonging to the technical field of gantry cranes. It includes a gantry frame, with a movable component externally mounted on the gantry frame. A lifting mechanism is fixedly connected below the movable component. A lubrication device is also externally mounted on the gantry frame, and an alarm device is fixedly connected to one side of the lubrication device. In this utility model, when lubrication is required, the movable component is simply driven to slide along the outside of the gantry frame. When it moves to the designated position, an external force acts on the lower surface of the rotating plate, causing the rotating plate to rotate around its axis within the connecting plate. This causes the sealing plug to disengage from the oil leakage hole, releasing the lubricating oil. After lubrication is completed and the movable component returns to its original position, a return spring automatically applies a reset force to the rotating plate, restoring it to its initial position. This, in turn, causes the sealing plug to re-seal the oil leakage hole, achieving automatic closure of the lubrication system.

This invention discloses a multimodal parameter-based system for gantry crane operation and carbon intensity prediction. The system includes a multimodal parameter acquisition module for collecting gantry crane mechanical state parameters, operational task parameters, environmental condition parameters, and collaborative correlation parameters, forming a multimodal parameter fusion matrix. A dynamic parameter optimization module uses the fusion matrix as input and dynamically outputs a combination of gantry crane operational parameters while satisfying mechanical performance, safety constraints, and collaborative constraints. A carbon intensity prediction module, based on the operational parameters and the multimodal parameter fusion matrix, performs real-time prediction of the carbon intensity during the current operational cycle of the gantry crane and predicts the carbon intensity change trend within a short future timeframe. A self-learning iteration module updates relevant parameters by analyzing the deviation between the prediction results and actual operational feedback, forming a closed-loop optimization mechanism.

This utility model discloses a rail positioning mechanism for a gantry crane, including an iron pad. By optimizing the rail fixing structure design, this utility model significantly improves the reliability and stability of rail fixing. The positioning channel formed by two positioning plates can accurately limit the rail position, ensuring the overall geometric accuracy of the rail after installation. When the first positioning mechanism is installed on the iron pad, it can achieve initial positioning and fixing of the rail, effectively resisting the displacement risk caused by foundation vibration. Furthermore, after the second positioning mechanism is installed on the positioning plate, it forms secondary positioning and fixing, further enhancing the constraint on the rail. This dual positioning and fixing structure can effectively resist alternating loads, impact vibrations, and environmental factors, reducing irregular changes in rail spacing, avoiding poor contact between wheels and rails and rail wear, extending the service life of wheels and rails, reducing maintenance costs and downtime, and improving the operational safety and efficiency of the gantry crane.

This utility model belongs to the field of lifting technology, specifically relating to a mobile gantry crane. A mobile gantry crane with added support rods forms a triangular support, making it more stable. The mobile gantry crane includes two opposing gantry frames, with a main beam between the tops of the frames, and a hoist hook suspended from the main beam; the gantry frames include two vertical rods, with a horizontal rod connecting the tops of the vertical rods; casters are installed on the bottom surfaces of the vertical rods; support rods are installed on the bottom two sides of the vertical rods; the tops of the support rods are hinged to the sides of the vertical rods via pins; a first connecting piece is provided on the inner side of the support rod, and a first pin is inserted between the first connecting piece and the vertical rod for connection and fixation; the two support rods together form a triangle.

This invention discloses an in-situ reinforcement system and method for fixed gantry cranes on the shore, belonging to the field of port machinery maintenance technology. It includes a new flange, a reinforcing rib assembly, a support platform, and pre-tightening connectors. The new flange is installed outside the gantry structure and is positioned vertically at predetermined intervals above the existing base flange of the fixed gantry crane. Reinforcing rib assemblies are provided above the new flange and between the new flange and the base flange, and are fixedly connected to the gantry structure. The support platform is positioned above the existing foundation of the fixed gantry crane and below the new flange, surrounding the reinforcing rib assembly around the gantry structure. Multiple pre-tightening connectors are provided circumferentially along the new flange, with one end connected to the new flange and the other end extending downwards and anchored inside the support platform. This invention achieves rapid and effective in-situ repair and fixation of fixed gantry cranes without dismantling equipment or damaging the existing quay foundation.

The application relates to the technical field of railway engineering machinery, and provides a turnout replacement device and a turnout replacement method. The turnout replacement device comprises a flat car and a gantry crane, the gantry crane comprises a telescopic arm and a telescopic column fixed at one end in the transverse direction, the telescopic column can be telescopically extended in the vertical direction; a fixed column is fixed at the lower end of the flat car, and the upper end of the fixed column is hinged at the other end of the telescopic arm, so that the telescopic arm and the telescopic column can rotate as a whole around the fixed column; and the fixed column is fixed on the flat car. The application solves the technical problem of complicated use and storage processes of the gantry crane of the traditional turnout replacement device.

The utility model discloses a labor saving simple operation's portal crane automatic anchor device, base shell assembly inside swing joint has drive mechanism assembly, drive mechanism assembly is locked and is unlocked movement through drive arrangement drive anchor pin up and down movement, the base shell assembly inside is provided with hollow mounting groove, hollow mounting groove is fixedly connected with energy storage guiding device, the energy storage guiding device hollow setting inside carries anchor pin, and the beneficial effect of this application is that one is simple structure, and the reliability is high, and the operation is convenient and simple, two are efficient convenient: avoid the common jam, not in place etc. of traditional anchor device, further guarantee the accuracy and safety of portal crane anchoring, three are structure modularization, and energy storage guiding device is modularization product, and the replaceability is high after the breakdown, four are this patent low cost, and the versatility is strong, can be used repeatedly, has extensive application prospect.

This invention discloses a remote control system for bulk cargo terminals, comprising: N gantry crane units; each gantry crane unit is equipped with two mobile hopper units; and a collaborative operation control unit: used to control the gantry crane units and mobile hopper units when the gantry crane units transmit vibration prevention steady-state, wire rope breakage prevention steady-state, and wind-resistant adaptive steady-state conditions, and when the gantry cranes and hoppers are aligned, thereby achieving collaborative operation control and monitoring of the N gantry crane units and their two mobile hopper units during unloading (without material) and loading (with material), as well as collision protection control and monitoring during the collaborative operation. This invention, by supplementing the collaborative operation control function of gantry cranes and mobile hoppers, achieves a dual improvement in the efficiency and safety of bulk cargo terminal operations.

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

This utility model relates to the field of gantry crane deceleration technology, and more particularly to a braking device for a gantry crane, comprising: a trolley rail; an arc-shaped deceleration rail, which is smoothly connected to the trolley rail and is composed of several arc-shaped rail segments with different radii of curvature smoothly spliced ​​together; a limiter for preventing the gantry crane from deviating from the arc-shaped deceleration rail, the limiter being disposed at the tail end of the arc-shaped deceleration rail; and a support platform for mounting the arc-shaped deceleration rail, the support platform including an arc-shaped mounting surface for mounting the arc-shaped deceleration rail and a straight mounting surface for mounting the limiter; the curvature of the arc-shaped mounting surface is the same as the curvature of the arc-shaped deceleration rail. This utility model enables the gantry crane to move upward along the arc-shaped deceleration rail, preventing the gantry crane from deviating from the arc-shaped deceleration rail, providing effective braking for the gantry crane, and preventing the risk of overturning due to excessive speed.