2553 results about "Hoist device" patented technology

The invention discloses a circulating type gravity energy storage transportation system which comprises a master controller, an annular rail, a high-position storage yard and a low-position storage yard, a transportation train is composed of a plurality of carriages which are flexibly connected and arranged on the annular rail, a low-position running rail is arranged on the annular rail, the high-position running rail is provided with a linear loading and unloading section, and the low-position running rail is provided with a linear loading and unloading section. A plurality of grabbing parts are arranged on the high-position storage yard and the low-position storage yard and move back and forth between the loading and unloading section and the stacking area, and the hoisting device is electrically connected with the master controller. By means of the double-circulation design of train circulation operation and heavy block rapid loading and unloading, the core pain points that an existing gravity energy storage system is not coherent in operation and low in efficiency are effectively solved, and the energy storage efficiency is improved. And a reliable system solution is provided for realizing large-scale, high-efficiency and fast-response gravity energy storage commercialized application.

The invention discloses a fabricated steel-UHPC external prestressing combined box girder and a construction method and application thereof, and relates to the technical field of bridge engineering, the fabricated steel-UHPC external prestressing combined box girder comprises a prefabricated steel-UHPC combined top plate, a prefabricated steel-UHPC combined bottom plate, a prefabricated steel-UHPC combined web plate, a steel diaphragm plate and an external prestressing system. The box girders are formed by combining prefabricated slabs, the prefabricated web plates are firmly connected with the prefabricated top plate and the prefabricated bottom plate through welded steel plates and post-poured UHPC, and arrangement and tensioning of external prestress are achieved by arranging steel anchor boxes and steering gears in box chambers. According to the combined box girder, the steel and the UHPC are combined to form a structural form that the steel plate is wrapped by the UHPC, and the advantages of high strength, high durability, high toughness, high compactness, low creep and the like of the UHPC and the advantages of high strength, high elastic modulus and weldability of steel are fully utilized, so that the box girder has the advantages of being excellent in structural stress performance, light in overall weight, good in durability, small in later-stage deformation, low in cost and the like. And the hoisting device is especially suitable for bridges in urban rail transit or urban railways.

The invention relates to the technical field of information, and discloses a real-time early warning method and system for double-crane hoisting, and the method comprises the steps: obtaining the operation condition data of a plurality of hoisting devices in real time, and carrying out the standardized packaging, and obtaining heterogeneous processing data; on the basis of the heterogeneous processing data, constructing a scene simulation model through a digital twinning technology so as to output collaborative parameters of the hoisting equipment in various business scenes; inputting the collaborative parameters and the operation condition data into a pre-constructed double-layer early warning model for processing, and outputting an early warning result; wherein the double-layer early warning model comprises a hybrid anomaly detection model integrating an isolated forest and a single-class support vector machine and an LSTM network model introducing an attention mechanism; and real-time and accurate early warning of double-crane lifting is realized through a digital twinborn technology and a machine learning algorithm.

The invention relates to the technical field of hoisting equipment, in particular to a bridge steel box girder hoisting device and a hoisting construction method.The bridge steel box girder hoisting device comprises a hoisting ring and a plurality of slings, the tops of the slings are connected with the hoisting ring, side clamping plates are arranged at the other ends of the slings, and fixing units are arranged on the side clamping plates; according to the bridge steel box girder hoisting device and the hoisting construction method thereof, the combined extension unit is arranged on the side clamping plate close to the side where a steel box girder is installed, the moving units are arranged on the other side clamping plates, and a detection piece is further arranged on any side clamping plate. When the steel box girder is hoisted to the installation position, the combined extension unit can extend and be clamped with the installed steel box girder to assist in butt-joint installation of the hoisted steel box girder and the installed steel box girder, the situation that multiple times of manual measurement and supporting are needed in traditional hoisting is avoided, and the installation efficiency is improved.

A tool, a method, a computer program product and a system for detecting the positioning of a first container handling vehicle on a grid-based rail system of an automated storage and retrieval system, the rail system being part of a framework structure where the rail system comprises a first set of parallel rails arranged to guide movement of container handling vehicles in a first direction across the top of the framework structure, and a second set of parallel rails arranged perpendicular to the first set of rails to guide movement of the container handling vehicle in a second direction which is perpendicular to the first direction, the first and second sets of parallel rails dividing the rail system into a plurality of grid cells, the framework structure comprising upright members that define storage columns for storing containers within the framework structure, wherein the tool comprises an upper surface provided with formations to allow the tool to be picked up by a lifting device of a second container handling vehicle working on the rail system, the tool including a sensor for detecting the positioning of the first container handling vehicle on the rail system.

The utility model provides a mobile house hoisting device which comprises a parent anchor and a child anchor, steel shells are arranged at the bottoms of the parent anchor and the child anchor, a main lifting lug is arranged at the top of the parent anchor, auxiliary lifting lugs are arranged on the side faces of the parent anchor and the child anchor, an external member is arranged at the top of the child anchor, fixing holes are formed in the side face of the external member, and sliding holes are formed in the side faces of the steel shells; the assembling base is provided with an extending body which is fixedly connected with a power device through a fixing frame, the power device is in driving connection with a flywheel, the assembling base is provided with a sliding groove, a bolt is movably installed in the sliding groove, and the flywheel is in driving connection with the bolt through a pull rod. Manual operation of workers is not needed in anchor point connection and disassembly, the sub-anchors are automatically clamped with or fixed to the anchor points of the container house, hoisting operation of the container house is completed, the workers do not need to climb on the roof of the container to conduct anchor point connection operation, potential safety hazards during hoisting operation are eliminated, and working efficiency is improved.

The present invention relates to a six-point truss-type sand pumping and lifting device for a mattress laying vessel. The device comprises a support assembly and six working assemblies. The six working assemblies are all slidably connected to the support assembly. Each working assembly comprises a moving assembly, a sand pumping assembly, and a lifting assembly. The sand pumping assembly and the lifting assembly are both connected to the moving assembly, and thus move and work by means of the moving assembly. The support assembly comprises two main beams. Two ends of each main beam are respectively connected to one main frame support leg. Two auxiliary beams are connected between every left and right main frame support legs. The moving assembly is slidably connected to the two main beams. Each auxiliary beam is connected to a hydraulic pump station, a frequency converter cabinet, and a cab. The present invention minimizes the labor intensity of operators and labor costs, and can effectively improve medium precision control, safety performance, and construction efficiency in the construction process.

The invention relates to a locomotive coupler calibration test bench, and the test bench comprises a pressurization device which is used for providing the two ends of a to-be-tested coupler with opposite acting forces; the hoisting device is adjacent to the pressurizing device; the protection device is located on the outer side of the pressurizing device, and the protection device is configured to be switched between a first state for shielding the whole area of the pressurizing device and a second state for exposing at least part of the area of the pressurizing device. After the to-be-tested car coupler is hoisted to the pressurizing device through the hoisting device, acting force in opposite directions can be provided for the two ends of the to-be-tested car coupler through the pressurizing device, a conventional mode of applying traction force through locomotive traction is replaced, the force application control precision in the car coupler force calibration process is improved, and then the calibration result precision is improved; and train operation safety is guaranteed. Moreover, in the test process, the precision of the calibration result can be prevented from being influenced by foreign objects through the protection device, and meanwhile, the operation safety of testers is improved.

The invention provides a hoisting tool for a superconducting coil of a star simulator and a hoisting device for the superconducting coil of the star simulator. The hoisting tool comprises a connecting seat, a hoisting bracket, a first driving assembly and a second driving assembly, the whole hoisting support is of an arc-shaped rod structure and can be rotationally arranged on the connecting base in the first direction, the two ends of the hoisting support are located below the connecting base, and the star simulator superconducting coil can be rotationally clamped between the two ends of the hoisting support in the second direction; the first driving assembly is in transmission connection with the hoisting support and drives the hoisting support to rotate in the first direction. The second driving assembly is in transmission connection with the corresponding end of the star simulator superconducting coil and drives the star simulator superconducting coil to rotate around a second direction perpendicular to the first direction relative to the hoisting support. Through the combination of the first driving assembly and the second driving assembly, the star simulator superconducting coil can be driven to rotate in the two horizontal directions perpendicular to each other, and multi-angle adjustment of the mounting position of the star simulator superconducting coil is achieved.

The invention discloses a steelmaking converter carbon brick masonry hoisting device and a use method thereof.The steelmaking converter carbon brick masonry hoisting device cooperates with a steelmaking converter body and a steelmaking converter workshop oxygen lance replacement electric hoist for operation, and comprises a lifting unit, a conveying unit, a construction platform unit and a transportation trolley; the auxiliary function assembly is integrated on all the units to achieve precise limiting, safety protection and automatic control, and the lifting unit is specifically arranged on the outer side area, corresponding to a furnace body gate, of a steelmaking converter platform. The U-shaped limiting assembly is arranged at the top of the lifting unit, the first positioning baffle and the second positioning baffle define the U-shaped groove matched with the transport trolley in width, the length difference value of the first positioning baffle and the second positioning baffle is consistent with the height of the transport trolley, the upper portion and the lower portion of the trolley can be limited, and deviation in the transfer process is avoided; the first buffering protection pad and the second buffering protection pad arranged on the U-shaped limiting assembly can effectively absorb impact force generated when the trolley makes contact with the baffle, and structural deformation and carbon brick collision damage are prevented.

The utility model relates to the technical field of bridge construction, in particular to a steel box girder hoisting device for bridge construction, which comprises a support beam, hoisting rings arranged at two ends of the support beam, an adjusting rod rotatably connected to the top surface of the support beam, a driving mechanism mounted on the support beam, external threads arranged at two ends of the adjusting rod, and threads arranged at two ends of the adjusting rod in opposite directions. The two ends of the adjusting rod are in threaded connection with guide rods, one end of each guide rod is fixedly connected with a vertical plate, the vertical plate is fixedly connected with a transverse plate, the transverse plate is hinged to a clamping plate, the transverse plate is in threaded connection with a threaded rod, and a supporting plate is arranged at the top end of the threaded rod. By means of the hinged design of the clamping plate and the transverse plate, the clamping plate can automatically adjust the clamping posture along with the inclination angle of the inclined web, so that it can be ensured that the clamping plate is attached to the inclined web in a self-adaptive mode, then the supporting plate is jacked through the screw rod so as to abut against the flange plate, synchronous supporting of the inclined web and the flange plate can be formed, and the clamping effect is good. Therefore, the deformation condition of the steel box girder can be reduced.

The utility model discloses a one-way immersion liquid cooling data center cabinet, which belongs to the technical field of server low-temperature protection and mainly structurally comprises a cabinet body, an immersion liquid cooling box and a cooling circulation unit. Wherein the top of the cabinet body is provided with a lifting and hoisting device which is used for dismounting and mounting the server and the baffle plate. And the interior of the immersed liquid cooling box can be divided into a plurality of partitions by utilizing a plurality of baffles, and an independent server is stored in any partition. In addition, a liquid separator is installed at the bottom of the immersed liquid cooling box. During use, the lifting and hoisting device can be used for lifting a server, the immersed liquid cooling box is filled with cooling liquid, the cooling liquid immerses the server in the partition, so that heat is absorbed through the cooling liquid, meanwhile, the immersed liquid cooling box is connected with the input end of the cooling circulation unit, the output end of the cooling circulation unit is communicated with the liquid separator, and the cooling circulation unit is connected with the liquid separator. Therefore, the cooling circulation unit can be suitable for independently supplementing the cooling liquid to any partition through the liquid separator.

The utility model relates to the technical field of loading, unloading and hoisting, in particular to a frame type hoisting device. Comprising a bottom plate assembly, an upper supporting frame, a plurality of supporting columns and a plurality of lifting belt limiting blocks. The bottom plate assembly is used for bearing a test prototype; the upper supporting frame is connected with the bottom plate assembly through the supporting columns to form a frame structure. The multiple lifting belt limiting blocks are arranged on the edges of the upper supporting frame correspondingly, and the lifting belt limiting blocks can move along the edges of the upper supporting frame. A plurality of eyebolts in one-to-one correspondence with the lifting belt limiting blocks are arranged on the bottom plate assembly, and the eyebolts can move along the edges of the bottom plate assembly in all directions. The device can protect the pipeline structure exposed in the frame and prevent the pipeline structure from being damaged by the lifting belt; the lifting position and the lifting appliance height can be adjusted according to the sizes and gravity centers of sample machines with different sizes, so that the lifting point and the gravity center are on the same vertical line, the overturning moment caused by gravity center shift is reduced, and the stability is improved.

The invention relates to the technical field of unmanned aerial vehicles, and discloses an unmanned aerial vehicle hoisting system and device.The unmanned aerial vehicle hoisting system comprises an unmanned aerial vehicle and a hoisting device, the hoisting device is provided with a rope assembly, a fusing unit, an unhooking mechanism, a weighing module, a swing detection module, an environment sensing module and a control circuit board; a coupling dynamic model is constructed based on the data, a control instruction is generated to cooperatively control the flight of the unmanned aerial vehicle and the hoisting device, predictive anti-swing control is performed by using wind speed sensor data, cable path obstacle avoidance is performed through a miniature laser radar or a depth camera, and a fusing unit is triggered to perform emergency processing according to judgment. And a distributed force sensor array is used for sensing the gravity center of the load so as to maintain flight balance, precise unloading is achieved through a high-precision millimeter wave radar or a flight time laser distance measuring sensor, and the insulation state of the hoisting cable is monitored in real time.

The invention relates to an energy recovery control method based on voltage and voltage difference cooperative control. The method comprises the following steps: monitoring the direct current bus voltage of a lifting frequency converter of lifting equipment through a control monitoring unit; if the DC bus voltage exceeds a preset voltage absolute value threshold, activating voltage difference detection; after the voltage difference detection is activated, calculating a change value of the direct current bus voltage; and based on a comparison result of the change value and a preset voltage change value threshold value, controlling the energy storage unit to perform charging and discharging operation. The method has the beneficial effects that through the energy recovery control method based on voltage and voltage difference cooperation, the operation reliability of the energy recovery device of the lifting equipment is improved.

The invention relates to a crane for assembly and installation of offshore wind turbines on an offshore location, to a vessel for assembly and installation of offshore wind turbines on an offshore location, and to a method for assembly and installation of offshore wind turbines on an offshore location. According to the invention the crane is provided with a base section and a top section, wherein the top section is rotatable supported by a bearing, and can be rotated with the wind turbine hoisting device relative to the base section about a vertical axis, wherein a first trolley guide is mounted to a top section of the installation crane for giding a vertically mobile wind turbine supporting trolley. According to the invention the vessel is provided with one or more assembly stations on different sides of the installation crane.

The utility model discloses an angle-adjustable hoisting device for an assembly type laminated slab, which relates to the technical field of constructional engineering and comprises a hoisting seat, an angle adjusting component is arranged in the hoisting seat, and a hoisting component is arranged below the angle adjusting component. According to the angle-adjustable hoisting device for the assembly type laminated slab, the double-shaft motor is started, the two output ends of the double-shaft motor drive the worm to rotate, due to the fact that the worm is connected with the worm gear in a meshed mode, the two rotating shafts rotate in the same direction, and when the rotating shafts rotate, the winding drum rotates along with the rotating shafts, so that a steel cable wound in the winding drum is wound and unwound; when the winding and unwinding lengths of the two winding drums to the steel cable are inconsistent, the inclination angle of the rectangular frame can be changed, then angle adjustment of the laminated slab suspended through the steel cable and the lifting hook below is achieved, the problem that the inclination angle of the laminated slab cannot be adjusted is effectively solved, the construction difficulty and the labor intensity are reduced, and the accuracy of angle adjustment is improved.

The invention relates to the technical field of bridge construction hoisting, and provides a bridge anti-falling beam hoisting device and method.The bridge anti-falling beam hoisting device comprises a universal moving base, a lifting table is installed on the surface of the universal moving base and used for being kept on the same plane with a pier body table top, and a height-adjustable sliding table is arranged on the surface of the lifting table and used for placing an anti-falling beam; and the anti-falling beam is convenient to move and mount. According to the lifting device for the bridge anti-falling beam, the particularity of the mounting position of the bridge anti-falling beam is combined, the lifting device for the bridge anti-falling beam can lift the anti-falling beam on a lifting table, and the anti-falling beam can be pushed to the position between a pier body and a bridge body to assist in mounting the anti-falling beam after the height is shortened; the telescopic and rotating structure is arranged, so that the anti-falling beam and the height-adjustable sliding table at the bottom of the anti-falling beam can be conveniently pushed to the table top of the pier body, the height-adjustable sliding table can be driven to ascend and descend, the anti-falling beam is in contact with a plane needing to be installed, fastening installation is facilitated, two purposes are achieved, and the hoisting installation efficiency of the anti-falling beam is greatly improved.

The utility model discloses a movable grain drying device which comprises a vehicle body, a lifting device, a grain barrel, a conveying device and a drying assembly, the lifting device comprises a first frame body and a second frame body, and a feeding port and a driven shaft are arranged at the bottom of the first frame body; a driving shaft, a first discharging port, a second discharging port and a discharging baffle are arranged at the top of the second frame body, the grain barrel comprises a first barrel body, a second barrel body and a third barrel body which are sequentially arranged in a sleeving mode from outside to inside, a second telescopic assembly is arranged on the outer side of the grain barrel, and a grain discharging device is arranged at an outlet in the bottom of the first barrel body. The two ends of the conveying device are matched with the grain discharging device and the first frame body respectively, the drying assembly comprises a hot air assembly and a drying cylinder, and the drying cylinder is installed in the grain cylinder. The grain barrel can stretch out and draw back, and the lifting device can be bent, so that the grain drying machine is small in size, low in height, convenient to move and transport and high in grain drying efficiency.

The invention relates to a landing platform for a drone (6), comprising a landing surface comprising two conveyor belts (2) which are arranged parallel in the same horizontal plane and which are spaced apart such that a drone (6) standing on the landing surface can simultaneously have contact with both conveyor belts (drone conveyor belts), two sliding bars (3) which each extend at least partially parallel to the running direction of the drone conveyor belts (2) and can be moved toward each other above the drone conveyor belts in a direction perpendicular to the running direction of the drone conveyor belts so that the sliding bars can slide a drone (6) standing on the landing surface, and a loading unit (5) comprising a lifting device (7) for cargo, the lifting device being arranged between the drone conveyor belts, wherein the drone (6) standing on the landing surface can be moved, by movement of the drone conveyor belts (2) and / or movement of the sliding bars (3), into a position in which the drone (6) can receive cargo arranged on the lifting device (7) (loading position).

The utility model relates to a movable pump station which comprises a movable chassis, and the movable chassis is used for driving the movable pump station to walk. The bearing platform is arranged on the movable chassis, and the bearing platform is connected with the movable chassis; the water pump is arranged on the bearing platform, and the water pump is used for executing drainage operation or water supply; the carriage body is arranged on the bearing platform, and the carriage body is connected with the bearing platform; the lifting device is arranged on the carriage body; or the hoisting device is arranged on the bearing platform; the hoisting device is used for hoisting and transferring emergency tools on the movable pump station. When the rescue tools on the movable pump station need to be carried and used, the rescue tools on the movable pump station are hoisted and transferred to the ground or the carriage body through the hoisting device on the carriage body or the bearing platform, operation is easy and convenient, time and labor are saved, the rescue efficiency is improved, and the installation performance of operation is improved.

The invention relates to the technical field of material hoisting, and particularly discloses landscape garden landscape tree transplanting and hoisting equipment which comprises a horizontally-arranged hoisting arm, and the two ends of the hoisting arm are connected to a hoisting mechanism and a stand column; one end of the balance weight arm is connected to the balance weight mechanism, and the other end of the balance weight arm is rotatably connected to the stand column through a second rotating shaft; the adjusting mechanism comprises two groups of transmission wheels, a transmission body and a first motor, the transmission wheels are coaxially connected to the first rotating shaft and the second rotating shaft respectively, and the transmission body is wound on the two transmission wheels; the output shaft of the first motor is in transmission connection with the first rotating shaft or the second rotating shaft; when the first motor rotates, the suspension arm and the counterweight arm rotate synchronously, the suspension arm rotates with the axis of the first rotating shaft as the rotating center, and the counterweight arm rotates with the axis of the second rotating shaft as the rotating center. Therefore, plants can be stably and reliably hoisted, the situation of tipping is avoided, and meanwhile the structural strength and performance of hoisting equipment are guaranteed.

The invention discloses an assembly type building prefabricated part hoisting device and a using method thereof. The hoisting device comprises a crane and a sling, and the crane is a travelling crane, a gantry crane or a crawler crane; the lifting appliance is arranged at the execution tail end of the crane, the crane comprises a lifting rod and an expansion type lifting assembly, the lifting rod is a vertical straight rod, a lifting ring connected with a hook at the execution tail end is arranged at the top of the lifting rod, a connecting seat is arranged at the bottom end of the lifting rod, and a sliding sleeve is movably arranged in the middle of the lifting rod; a gear device meshed with the vertical rack and driving the sliding sleeve to move is arranged at the upper end of the suspender; the expansion type hoisting assembly comprises an extension arm, a connecting arm and a hoisting module. Through the arrangement of the adjustable extension arms and the modular hoisting assemblies, the device can be precisely matched with square prefabricated parts of different sizes and shapes, and the universality of the device and the adaptability to different parts are greatly improved.

The utility model relates to the technical field of building construction, in particular to a special-shaped building structure hoisting device which comprises an installation box, the installation box is provided with a plurality of supporting arms, each supporting arm is internally provided with a cavity, and the top and the bottom of each cavity are respectively provided with a first strip-shaped hole and a second strip-shaped hole in the length direction of the corresponding supporting arm. A plurality of round inserting holes are symmetrically formed in the two sides of the first strip-shaped hole, a hoisting adjusting mechanism is installed in the cavity, the hoisting adjusting mechanism can slide along the first strip-shaped hole and the second strip-shaped hole, the hoisting adjusting mechanism is locked through the corresponding round inserting holes, a connecting rope is fixedly connected to the bottom of the hoisting adjusting mechanism, and a plurality of hanging ropes are fixedly installed on the connecting rope; the hanging ropes are linearly and evenly distributed along the connecting rope, a lifting hook is fixedly installed at the bottom of the connecting rope, and the lifting adjusting mechanism is used for adjusting the lifting position and the length of the connecting rope. Each lifting hook can adapt to lifting points at different positions on the special-shaped building, the flexibility is high, the length of the connecting rope can be adjusted, and the adaptability of the lifting device to the special-shaped building is improved.

The invention provides a wind power tower tube door frame welding supporting and hoisting device which comprises a fixing seat, a supporting seat and a tower tube, a supporting assembly is movably installed between the fixing seat and the supporting seat and comprises a supporting rod, a fixing groove is formed in the supporting rod, a fixing column is movably installed in the fixing groove, and the tower tube is arranged in the fixing column. A rotating pipe is movably installed between the fixing columns, a threaded column is movably installed on the rotating pipe, an open hole is formed in the threaded column, and the rotating pipe is movably installed in the open hole. Multi-point limiting and fixing between the fixing base and the supporting base are achieved through cooperation of the fixing frame and the supporting frame, the use state of the supporting frame is adjusted in the later period, the supporting frame rotates through the connecting hanging lugs, after the supporting frame rotates, the protruding block moves to one end of the fixing base or the supporting base, and the protruding block provides a supporting point for the portion between the fixing base and the tower barrel; and the tower drum and one side of the fixing base can be quickly aligned and limited through positioning of the protruding blocks, and quick welding between the fixing base and the tower drum in the later period is facilitated.

The invention relates to the technical field of new energy automobile maintenance, in particular to a lifting device with an adjustable support for new energy automobile maintenance, which comprises a sinking frame, strip frames are fixedly connected to the front side and the rear side of the inner side of the sinking frame, and two horizontal bottom plates are arranged at the tops of the strip frames. Lifting bottom frames are fixedly connected to the top of the horizontal bottom plate, vertical frames are fixedly connected to the front side of the top of the left lifting bottom frame and the rear side of the top of the right lifting bottom frame, and lifting fork plates are arranged on the opposite sides of the two vertical frames. The invention provides the lifting device with the adjustable support for new energy automobile maintenance, and the lifting device has the core functions of horizontal precise adjustment, vertical stable lifting and self-adaptive attachment of the supporting surface for a new energy automobile chassis; and in cooperation with double safety guarantee of safety buffer protection and chassis special structure limiting reinforcement, safe and stable lifting of different new energy vehicle types is achieved, and reliable supporting is provided for chassis overhaul, battery maintenance and other operation.

The utility model relates to the technical field of hoisting equipment, in particular to a paleontological fossil hoisting device capable of being flexibly adjusted. The amplitude adjusting part comprises a plurality of gear boxes arranged at the top of the transverse plate at intervals, each gear box is provided with two driving shafts, the driving shafts of the gear boxes are each provided with a second winding wheel, and each second winding wheel is wound with a positioning belt penetrating through the transverse plate in a sliding mode. The fossils at different positions can be subjected to multi-point inclination and height adjustment in the assembling process through a positioning belt in the amplitude adjusting piece, the problem that the positions of the fossils deviate due to the fact that a traditional crane only depends on vehicle body movement or arm frame rotation is effectively solved, and the flexibility and adaptability of the device in the carrying and splicing operation are enhanced.

The utility model belongs to the technical field of building construction, and particularly provides a steel structure hoisting device used indoors, which comprises an H-shaped steel beam, two stand columns, a rail electric hoist and a connecting assembly, two ends of the H-shaped steel beam are fixedly connected with the two stand columns, driving assemblies are arranged at the bottom ends of the stand columns, and the rail electric hoist is slidably mounted on the H-shaped steel beam. A hook of the tracked electric hoist is detachably connected with a steel structure through a connecting assembly, the connecting assembly comprises two steel wire rope lantern rings, a sleeve, a sleeve rod and two buckles, one end of the sleeve is in sliding connection with one end of the sleeve rod, the other end of the sleeve is fixedly connected with the two steel wire rope lantern rings through the two buckles, and the two steel wire rope lantern rings are arranged on the hook in a sleeving mode. Through the arrangement of the two steel wire rope lantern rings, the sleeve, the sleeve rod and the two buckles, the distance between the bottom ends of the two steel wire rope lantern rings can be limited during hoisting, the bottom ends of the steel wire rope lantern rings are prevented from moving towards the center, the balance of the gravity center of a steel structure is ensured, and the safety performance is improved.

The invention belongs to the field of hoisting devices and control, relates to a self-adaptive leveling hoisting cross beam for a prefabricated wallboard and a hoisting leveling method, and aims to solve the problems of hoisting inclination, high safety risk, low efficiency and poor universality caused by deviation of the mass center of the wallboard. The device comprises a cross beam, a center lifting point is arranged in the center of the cross beam, two sets of sliding assemblies capable of being independently driven are symmetrically arranged in the cross beam, and each set of sliding assembly comprises a lower lifting point structure and a linear execution component for driving the lower lifting point structure to move; the cross beam is further provided with a sensing assembly used for detecting the posture and a controller. The sensing assembly is used for monitoring the inclination posture of the cross beam in real time and transmitting a signal to the controller; and the controller independently drives one or two linear execution components according to the attitude signal so as to adjust the position of the lower lifting point structure. The self-adaptive leveling in the hoisting process is realized, wallboards with different hoisting point distances can be flexibly adapted, and the safety, the automation level and the construction efficiency of hoisting operation are improved.

The invention discloses an unmanned aerial vehicle lifting device and method, and relates to the aviation equipment industry, and the device comprises an unmanned aerial vehicle, a hanging mechanism and a container; the hanging mechanism comprises a grabbing terminal and a lifting executing mechanism. The grabbing terminal comprises a grabbing hand module and an automatic positioning module, the top of the grabbing hand module is fixedly connected with the lifting executing mechanism, the grabbing hand module comprises a mounting base, two claw bodies and a telescopic driving mechanism, the two claw bodies are movably and oppositely arranged on the mounting base, and the telescopic driving mechanism is arranged on the mounting base. The telescopic driving mechanism is used for driving the two claw bodies to swing oppositely or reversely; the automatic positioning module comprises an image recognition module and a positioning mark, the image recognition module is arranged at the bottom of the gripper module, and the positioning mark is arranged at the top of the container. The unmanned aerial vehicle can rapidly and stably achieve automatic positioning, accurate grabbing and safe hoisting of the box body, and the unmanned aerial vehicle is suitable for the complex mountain working environment.