211results about How to "Improve hoisting efficiency" patented technology

The invention relates to the technical field of data processing, and discloses a multi-point synchronous accurate hoisting positioning method and device for a bridge precast beam. The method comprises the following steps: optimizing three-dimensional scene data to obtain target environment data, performing path planning to obtain multi-point hoisting path data, and performing optimization processing on the path data to obtain an optimized hoisting path and attitude change data; performing real-time visual tracking processing on the precast beam to obtain real-time position and attitude data, and performing filtering processing on the real-time position and attitude data to obtain filtered pose data; and performing comparative analysis on the pose data, the optimized hoisting path data and the optimized pose change data to obtain control instruction data, and performing cooperative control on the multi-point hoisting system according to the control instruction data. The posture of the large precast beam can be accurately and efficiently controlled, the positioning precision is improved, and the requirement for rapid and efficient hoisting is met.

The invention relates to the technical field of building construction, in particular to a self-balancing integral hoisting system and method for a concrete formwork, and the hoisting system comprises a sensor module which comprises an acceleration sensor and a tilt angle sensor; the automatic control module is used for processing data, controlling algorithm operation and controlling instruction output, and the automatic control module is connected to the acceleration sensor and the tilt angle sensor; the mechanical fastener device comprises a lifting frame, a driving mechanism and at least two clamping assemblies, and each clamping assembly comprises a linkage mechanism, a sliding mechanism and a rotating mechanism. According to the invention, the problems of dangerous operation of manual hoisting and large installation error are avoided, so that the technical problem that the installation precision is difficult to control in the template hoisting process in the prior art is solved.

An intelligent cable hoisting system without a tower-rock anchor system comprises a cable system, an anchorage, a winch and an intelligent monitoring command center. The cable system is connected with the anchorage through the sports car, and it is ensured that rope force is effectively transmitted to the anchorage in the cable hoisting process. The anchor is designed to be of a pre-stressed anchor structure, the pre-stressed anchor is directly anchored on a mountain, damage to the ecological environment is reduced, the green, low-carbon and environment-friendly construction concept is positively responded, and in addition, the pre-stressed anchor has high bearing capacity, can adapt to tension of different bearing cables, and is high in safety coefficient and small in risk; and the winch is connected with the hoisting cable and the traction cable of the cable system, so that the hoisting frame body can be rapidly and stably lifted and moved, and the working efficiency is improved.

The invention discloses an anti-swing control method and device for a bridge crane, a medium and equipment. The method comprises the following steps: generating a hoisting strategy corresponding to a target hoisting process; acquiring training data of the target operator for controlling the cart and / or the trolley to finish the simulated hoisting process according to the hoisting strategy; analyzing the training data, and generating an anti-swing method of each target motion state of the large and small vehicles; and during actual hoisting, a corresponding anti-swing method is adopted according to the current running states of the large and small vehicles. According to the method, overall path planning and big and small vehicle motion state planning are carried out in the hoisting process, so that a hoisting strategy adaptive to a site environment is confirmed, then electronic anti-swing and manual anti-swing are combined according to operation habits and operation proficiency of operators in the hoisting process, the hoisting efficiency is improved, and the hoisting cost is reduced. And moreover, the safe operation of the bridge crane is improved, so that the load only shakes slightly no matter the bridge crane is started, stopped, accelerated and decelerated, and the safety of the hoisting process is improved.

The invention discloses an assembly type segmented prestressed concrete tower drum structure and a construction method, the assembly type segmented prestressed concrete tower drum structure comprises a drum body formed by splicing a plurality of concrete drum sections in a segmented mode in the height direction, the diameter of the concrete drum sections is reduced in the height direction of the drum body, and the concrete drum sections are formed by splicing a plurality of prefabricated pipe pieces into a whole through bent bolts. The fabricated prestressed concrete structure is adopted, and the bearing capacity, rigidity and crack resistance of the tower drum are remarkably improved. The segmented prestress can change the prestress value gradient of the tower barrels with different heights, the performance design of the tower barrels is achieved to meet the requirements of different scenes, and the fatigue life and the service cycle of the tower barrels are prolonged. Prefabricated pipe pieces are produced in a factory in a standardized mode, prestress is tensioned, on-site overall prestress tensioning is avoided, the construction efficiency and the construction quality are improved, only embedded bolt connection needs to be completed on site, construction is convenient and fast, connection is reliable, and wide application prospects are achieved.

The invention provides an automatic hole finding prefabricated lifting component and a using method thereof.The automatic hole finding prefabricated lifting component comprises a lifting appliance, the lifting appliance comprises a sleeve, a telescopic supporting column is arranged on the sleeve, horse legs are arranged at the bottom of the supporting column, a second-stage rotating device is arranged between the supporting column and the horse legs, a first-stage rotating device is arranged at the top of the supporting column, and rotating horseshoes are arranged on the horse legs; a first lifting baffle and a second lifting baffle are arranged on the two sides of the horse legs respectively. The whole structure can automatically find holes, the accident risk is reduced, the operation process is simplified through the automatic hole finding function, manual intervention is reduced, and operation convenience is improved. The process of repeatedly adjusting the position of the lifting machine is omitted, the lifting time is obviously shortened, and the operation efficiency is improved. According to the overall structure, the process of horseshoe vertical state-entering state-horizontal state-square block hoisting-vertical state-hoisting tool pulling-out is achieved, the hoisting tool can be recovered to the initial state after hoisting is completed, then the hoisting tool is recycled, the hoisting efficiency is improved, and the hoisting cost is reduced.

The utility model belongs to the technical field of unmanned aerial vehicles, and particularly relates to an unmanned aerial vehicle hoisting structure, which is characterized in that a rack is matched with a movable hook, so that an unmanned aerial vehicle hoisting device can automatically suspend and release a hoisting box during use, the automation degree of the unmanned aerial vehicle hoisting structure is improved, and the hoisting efficiency of the unmanned aerial vehicle is improved. The working intensity of workers is relieved, meanwhile, the use safety of the unmanned aerial vehicle in the hoisting process is improved, the control assembly has the advantages of being large in transmission ratio, compact in structure and the like through cooperation of the turbine and the worm, the turbine and the worm can be locked in a one-way mode when the motor stops working, large radial and axial loads can be borne, and the safety of the unmanned aerial vehicle is improved. The unmanned aerial vehicle body can better control the direction of the automatic hooking device through the two sets of steel wire ropes distributed in a left-right linear mode, hoisting buckles can be hung more conveniently through the automatic hooking device, the overall weight of the automatic hooking device can be effectively reduced through the hollowed-out design of the triangular through groove, the structural strength can be enhanced, and the wind resistance of the automatic hooking device can be improved.

The utility model discloses an unmanned aerial vehicle hoisting structure, and belongs to the technical field of unmanned aerial vehicle production. The lifting device comprises a machine body, a lifting frame is fixedly connected to the bottom of the machine body, electric telescopic rods are arranged on the two sides of the bottom of the lifting frame, and bearings are arranged on the surfaces of the electric telescopic rods in a sleeved mode. Through the arrangement of the transmission gear and the driven gear ring, the electric telescopic rod is firstly controlled to stretch out, goods are placed on the top of the supporting plate, then the electric telescopic rod is controlled to contract to clamp the goods upwards and stably, the unmanned aerial vehicle can be controlled to fly to an unloading site, the electric telescopic rod is controlled to stretch out, and meanwhile a transmission groove is started to enable the transmission gear to rotate; the transmission gear drives the driven gear rings on the two sides to be meshed, the driven gear rings drive the electric telescopic rods to rotate by 180 degrees, at the moment, the supporting plate is separated from the bottom of the goods, the goods slide to the ground to be automatically unloaded, manpower is saved, and the hoisting efficiency is improved.

The invention discloses an aero-engine rotor hoisting device and hoisting method, and belongs to the technical field of aero-engine assembly.The aero-engine rotor hoisting device comprises clamping jaws, a limiting ring, a mounting plate, a cover plate, a lifting bolt and a hanging assembly; the mounting plate is used for movably sleeving the outer ring of the limiting ring and pressing and limiting the clamping jaw on the outer side of the limiting ring, the locking piece sequentially penetrates through the mounting plate and the cover plate to connect and fasten the mounting plate and the cover plate, and then the top of the clamping jaw is pressed and limited between the mounting plate and the cover plate; a plurality of hoisting screw holes are formed in the mounting plate in an annular array mode, and the hanging assembly is used for being connected with a crane. The problem that the turbine rotor assembly is difficult to hoist in the unit body assembling process can be solved, meanwhile, the rotor assembly can be prevented from falling in the hoisting process, and the assembling efficiency of the turbine rotor assembly in the unit body assembling process is improved.

The invention relates to the technical field of culvert pipe hoisting equipment, in particular to anti-cracking reinforced concrete culvert pipe machining hoisting equipment which comprises a hoisting platform, the hoisting platform is provided with a cage body hoisting mechanism for rapidly transferring a culvert pipe reinforcement cage, and the cage body hoisting mechanism is provided with an anti-shaking deviation rectifying mechanism for keeping the stability of the reinforcement cage. An anti-corrosion soaking mechanism for soaking the reinforcement cage to improve the corrosion resistance is arranged on the hoisting platform, a cage body conveying mechanism is arranged on the side face of the hoisting platform, the anti-shaking deviation correcting mechanism comprises a fixed protruding block fixedly installed at the end of a steel wire sling, and a plurality of branch steel cables are arranged on the fixed protruding block in the circumferential direction in an array mode. According to the device, the anti-shaking deviation rectifying mechanism is arranged, and a limiting convex block and a telescopic round pipe are matched with each other, so that a steel wire sling can be continuously and effectively limited in the hoisting process, the culvert pipe reinforcement cage can be effectively prevented from greatly swinging due to inertia, and a worker does not need to carry out auxiliary limiting on the culvert pipe reinforcement cage below.

The sliding sleeve self-locking type three-jaw lifting appliance comprises a suspension mechanism and a clamping mechanism, the suspension mechanism comprises an outer pipe and a flange plate, a lifting ring is arranged on the outer pipe, connecting plates are arranged on the periphery of the outer pipe, an inner shaft is arranged in the outer pipe in a penetrating mode, the inner shaft is arranged in a through hole of the flange plate in a penetrating mode, and a taper sleeve, a sliding sleeve and a shaft sleeve are arranged on the periphery of the inner shaft. The taper sleeve is arranged below the flange plate, the sliding sleeve comprises a taper head, an inverted-cone-shaped boss and a cylindrical bottom, a hook is arranged on the connecting plate, the top of the hook is connected with the connecting plate through a bolt, a hook body of the hook is clamped outside the sliding sleeve, and a fixing mechanism is arranged at the bottom end of the inner shaft. The clamping mechanism comprises three supporting arms and a supporting claw, the supporting arms are arranged on the periphery of the shaft sleeve, pin holes are formed in the supporting arms, the supporting claw is of an L-shaped structure, a connecting hole matched with the pin holes is formed in the middle of the supporting claw, a chain is arranged between the supporting claw and the connecting plate, and sawteeth are arranged at the other end of the supporting claw. When the high-temperature flange is transported by the hoisting device, the deformation of the flange in the manufacturing process can be reduced to the minimum, so that the overall quality of a wind power tower drum is effectively guaranteed.

The invention relates to a composite material for a laminated slab, a preparation method and the laminated slab. The composite material comprises the following components in percentage by weight: 20%-35% of cement, 5%-15% of a mineral admixture, 50%-65% of sand, 0.05%-0.20% of a defoaming agent, 0.10%-0.25% of a polycarboxylate superplasticizer, 1.0%-3.0% of a composite expanding agent and 0.05%-0.20% of an early strength agent, and the fiber with the total volume mixing amount of 0.20%-0.70% is further included. According to the composite material disclosed by the invention, the slump of the material is remarkably improved by controlling the components and the content of a gelling system of the whole material, and self-leveling of a mixture is realized in a pouring process; by adding a high-performance chemical admixture and co-doping fibers, the overall bearing capacity of the bottom plate material is remarkably improved, the thickness of the plate is further reduced, and the working performance and mechanical performance of the laminated plate are improved. According to the laminated slab, the bottom plate with high breaking strength and compressive strength is selected, so that the thickness of the bottom plate is small, the purpose that the two-way slab is stressed during dense splicing of slab joints is achieved, and increase of the dead weight is avoided; and by arranging the fiber gridding cloth, the laminated plate has higher strength and flexibility, and cracking is avoided.

The utility model relates to the technical field of building construction equipment, and particularly discloses building construction hoisting equipment which comprises a shell, an opening is formed in one side of the shell, a baffle is connected to the opening in a sliding mode, and a guide mechanism is connected to the position, located among a plurality of partition plates, of the inner bottom of the shell. Two sets of locking mechanisms are arranged on the upper portion of the outer side of the shell, the guiding mechanism comprises a plurality of guiding assemblies, each guiding assembly comprises a belt, limiting strips are fixed to the two sides of the outer portion of the belt, a plurality of anti-slip strips arranged at intervals are fixed between the two limiting strips, and each locking mechanism comprises a fixing frame and a connecting sleeve shell. The connecting sleeve shell is fixedly connected with the shell, the fixing frame is connected into the connecting sleeve shell in a sliding mode, and a plurality of rubber rollers arranged at intervals are rotationally connected to the lower portion of the fixing frame; according to the utility model, the hoisting stability and the hoisting efficiency are improved, and the damage to the glass when the glass is placed and taken can be avoided.

The utility model relates to a cofferdam construction system of a complex deepwater riverbed steel casing suspended bottomed steel hanging box. The cofferdam construction system comprises a steel casing supporting steel cofferdam bottom plate assembling system, a side formwork installing system, a guiding device, an in-situ lifting and downward hanging system and a pouring system. The utility model has the beneficial effects that the primary load bearing of the bottom plate can be realized through the main keels and the secondary keels, and compared with the traditional technology, the factory prefabrication of the bottom plate unit can be realized by adopting the prefabrication and assembly module unit technology, the hoisting efficiency and the safety of the bottom plate are high, and the mounting groove and the second sealing rubber are arranged on the prefabrication and assembly module unit, so that the installation is convenient. The side formworks can be positioned, the sealing performance of the connecting positions of the side formworks and the bottom plate is improved, and water is prevented from permeating into the cofferdam in the cofferdam downward lifting process.

The invention relates to the technical field of cranes, and particularly discloses a hull structure hoisting device convenient to install and use and a hoisting method.The hull structure hoisting device comprises a base, a stand column arranged at the top of the base and a disassembling and assembling mechanism arranged between the base and the stand column and used for disassembling and assembling the stand column, and a rotating assembly used for rotating a transverse column is arranged at the top of the stand column; the vertical column is arranged on the base, the lower end of the side wall of the base is provided with an anti-toppling mechanism in linkage rotation with the transverse column, the dismounting and mounting mechanism comprises a first limiting block, the top of the first limiting block is fixedly provided with a second limiting block, and the side wall of the second limiting block is designed to be in a quadrangular prism shape. The lifting position can be conveniently adjusted according to the actual lifting requirement, the lifting efficiency of a hull structure and the like is improved, the transverse column is connected with the base through the anti-toppling mechanism to balance stress on the two sides of the stand column, the stability of the stand column is improved, and the toppling risk is reduced.

The invention discloses a modular construction method suitable for coil heat exchangers for boilers of various models. The modular construction method comprises the following steps that a packaging frame of the coil heat exchanger is designed and manufactured, modular manufacturing of the coil heat exchanger is conducted, a combined hoisting tool is installed, and modular installation of the coil heat exchanger is conducted. The modular construction method is suitable for integral manufacturing, transportation and turnover hoisting of coil heat exchangers for boilers of various models, effectively solves the problem that a large coil heat exchanger is inconvenient to turn over and hoist, assemble a suspender at high altitude, weld a header at high altitude and test pressure, optimizes the construction process, saves the cost, and effectively improves the construction safety.

The utility model discloses a power plant large-scale integrated high-altitude hoisting pre-storage platform which comprises a bottom frame, a U-shaped coaming and a feeding frame, the U-shaped coaming is connected above the bottom frame through a supporting column, lifting lugs are arranged on the two side faces of the bottom frame respectively, the feeding frame is fixedly connected to the right end of the bottom frame, a telescopic inserting plate is inserted into the right end face of the feeding frame, and the telescopic inserting plate is connected with the U-shaped coaming through a supporting column. Connecting rings are correspondingly arranged on the telescopic inserting plate and the U-shaped surrounding plate respectively, and a rope is arranged between the connecting rings. According to the utility model, equipment can be pre-stored at a high position in a power plant, so that the ground space is saved to the maximum extent; interference between equipment and ground operating personnel is avoided, the hoisting efficiency of the bulk equipment of the power plant is greatly improved, machine team is reduced, and the installation cost is reduced.

This utility model discloses a PTFE-lined steel storage tank with an internal reinforcing structure, relating to the technical field of PTFE-lined steel storage tanks. It includes a tank body with a reinforcing assembly installed inside. The reinforcing assembly enhances the stability of the tank body and includes a cross-shaped support frame, a first stabilizing plate, a second stabilizing plate, a third stabilizing plate, and a fourth stabilizing plate. The first, second, third, and fourth stabilizing plates are respectively installed at one end of the cross-shaped support frame and fixed to the inner wall of the tank body. This utility model, by fixing the first, second, third, and fourth stabilizing plates to the inner wall of the tank body, provides internal support for the tank body, thereby increasing its stability and pressure resistance.

The invention discloses a prestressed hollow combined structure tower drum based on steel pipe tenon-and-mortise joint connection and a construction method. The prestressed hollow combined structure tower drum comprises a drum body, the drum body is formed by assembling a plurality of drum sections in a segmented mode in the height direction, the adjacent drum sections are connected through steel pipe tenon-and-mortise joints, and the drum body is formed by connecting a plurality of hollow combined duct pieces through prestressed bent bolts in the annular direction. The hollow combined pipe piece comprises a hollow steel pipe, prestressed steel bars and a concrete shell. The steel pipe mortise and tenon joint comprises a concave tenon steel pipe, a convex tenon steel pipe, grouting materials and a PBL connecting piece welded to the outer wall of the convex tenon steel pipe. The advantages of a combined structure and a prestressed structure are exerted, the hollow steel pipes and the concrete are cooperatively stressed, the bearing capacity and rigidity of the tower drum are improved, the self weight is reduced, the anti-cracking performance of the tower drum is improved, and the service life of the tower drum is prolonged. The steel pipe tenon-and-mortise joint is high in strength, the reliability of the connecting structure is improved, and the bonding effect of the steel pipe and the grouting material is improved through the PBL connecting piece. According to the method, the field splicing efficiency of the assembly type tower drum is improved, and the method has wide application prospects.

The present invention relates to the field of building construction technology, and specifically refers to an ultra-large intelligent tower crane and a construction method. A wind field environment monitoring unit is used to collect wind field information and tower crane status information under the working environment of the tower crane; a slant-stayed and slanted-hanging monitoring unit is used to identify the position of the tower crane hook so as to obtain the slant-stayed and slanted-hanging angles of the tower crane hook; a dynamic sensing unit for the safe operation area is used to obtain the relative positions of the boom, the hoisted object, and the construction personnel in the tower crane operation area; a group tower anti-collision unit is used to obtain the position deviation between the current tower crane and the surrounding tower cranes; a hoisting auxiliary guidance unit is used to collect the hoisting object position coordinates, the target position coordinates, and the tower body position coordinates; a sling is connected to the tower crane hook; and a control unit receives the parameter information collected by the above units and performs data processing. The tower crane of the present invention has multiple functions, can greatly improve the safety of tower crane operation and construction, and has extremely high efficiency in safe operation.

The invention relates to the technical field of power transmission control, in particular to a power transmission control method of a crane, which comprises the following steps: acquiring an image of a hoisted object and determining a hoisting mode; in the corresponding hoisting mode, whether the first hoisting process meets a preset standard or not is judged based on the complexity of force on a steel wire rope connected with the hoisted object; on the basis of the adjusted first hoisting process, whether the second hoisting process meets a preset standard or not is judged according to the deviation angle of the sling; based on the adjusted second hoisting process, whether a third hoisting process meets a preset standard or not is judged according to the vibration amplitude of the hoisted object; and under the condition that the first hoisting process, the second hoisting process and the third hoisting process meet the preset standard, whether the hoisting process of the crane meets the preset standard or not under the condition that wind resistance exists is judged based on the inclination angle of the hoisted object. The control accuracy and reliability of the hoisting process are improved.

The utility model provides a machine tool guide rail heat treatment hoisting tool, which belongs to the field of machine tool equipment, and comprises a machine tool body, a hoisting moving assembly arranged on the surface of the machine tool body and a cooling and dedusting assembly arranged on the surface of the machine tool body, the device comprises a support, the top of the support is detachably connected with a shell, the interior of the shell is detachably connected with a motor, one end of the motor is provided with a winding roller, and the surface of the winding roller is movably connected with a mooring rope. The rotating shaft drives the winding roller with one end in matched connection to release and wind the cable, one end of the cable is installed on the guide rail body, and therefore the cable is convenient to hoist, the overall moving and hoisting performance of the machine tool guide rail heat treatment hoisting tool is high when the machine tool guide rail heat treatment hoisting tool is used, and the overall hoisting convenience is improved.

The invention discloses a bidirectional anti-rolling hoisting mechanism of a crane. The bidirectional anti-rolling hoisting mechanism comprises a hoisting trolley frame; the lifting appliance mechanism is positioned below the lifting trolley frame; the lifting appliance mechanism is used for lifting the container; the winding drum mechanism group is arranged on the hoisting trolley frame; extending a fixed pulley block; the movable pulley blocks are arranged on the lifting appliance mechanism and are arranged at the front end and the rear end of the lifting appliance mechanism in the length direction; a reversing fixed pulley block; a fixed seat group; the fixed seat groups are arranged at the left end and the right end of the sling mechanism in the length direction and are positioned in the middle of the sling mechanism in the length direction; the steel wire rope group is wound in the winding drum mechanism group; wherein four steel wire ropes of the steel wire rope group are fixedly connected to the fixing seats of the corresponding fixing seat group through the corresponding extension fixed pulley block fixed pulley, the movable pulley block movable pulley and the reversing fixed pulley block fixed pulley in sequence. And the hoisting efficiency is obviously improved.

The application provides a connecting method for a concrete arch rib arch foot segment and an arch seat, comprising the following steps: S1, fixing arch rib embedded steel plates and arch rib embedded positioning pieces at the bottom of the arch foot segment of the arch rib at intervals, and fixing arch seat embedded steel plates and arch seat embedded positioning pieces on the arch seat; S2, hoisting the arch foot segment to the arch seat, so that the arch seat embedded positioning pieces and the arch rib embedded positioning pieces are in contact, and full welding is adopted to weld the arch rib embedded steel plates and the arch seat embedded steel plates by using connecting steel plates; S3, disconnecting the arch foot segment and the hoisting device, and then welding the arch seat embedded steel bars on the arch seat and the arch rib embedded steel bars of the arch foot segment; S4, after the remaining segments of the arch rib are installed and the arch rib closure is completed, welding the contact surfaces of the arch rib embedded positioning pieces and the arch seat embedded positioning pieces firmly; and S5, pouring concrete at the sealing foot area of the arch seat and the bottom end of the arch foot segment, so as to realize the connection of the arch seat and the arch foot segment. The method can realize the rapid positioning and connection of the arch foot segment and the arch seat.

This invention discloses a reinforcement method for improving the reuse of wooden formwork, relating to the field of civil construction technology. Specifically designed for construction scenarios involving the hoisting of expansion joints in confined spaces, it employs a combined reinforcement scheme: double-layered wooden formwork with staggered joints, full coverage of the dust-facing surface with steel plates and complete edge wrapping, an extended top with a hoisting protective ring, and formwork length exceeding the component's dimensions to prevent grout leakage. The double-layered staggered joints prevent shear damage, the steel plate wrapping enhances rigidity and wear resistance, the hoisting ring protects against hoisting wear, and the extended design prevents grout leakage. This invention features a simple structure, is easy to process and assemble / disassemble, significantly increasing the reuse rate of wooden formwork, reducing construction costs, and is suitable for various confined space layer-by-layer hoisting formwork construction scenarios.

The present invention provides a bidirectional sliding lifting system and lifting method for a roof truss structure of an assembled sound barrier, and relates to the field of lifting construction of a roof truss structure of an assembled sound barrier, including an outer guide frame mechanism, an inner guide frame mechanism and a shifting mechanism. The main structural components of this patent are all prefabricated in a factory, and do not need to occupy the space of the railway line on site, and are free from large-area formwork structure support, with a small amount of turnover materials and a small number of operating workers. In the lifting process adopted by this patent, the most difficult roof truss component is first lifted to the outer guide frame mechanism by a car crane or a crawler crane, and then slid along the track to the designed position through the inner guide frame mechanism, which takes less time and has good safety. Construction according to the key points of normal existing lines can meet construction needs, and there is no need for rigid closure of the railway line. This patent optimizes the outer guide frame mechanism, the inner guide frame mechanism and the shifting mechanism, so that the lifting system of this patent has the function of bidirectional sliding roof truss beams.

The invention discloses a guide vane milling machine device for a water machine supported by a universal joint and a working method. A base part is fixed to the ground of a workshop; the two support parts are fixed to the two sides of the base part respectively, and the milling machine body part is fixed to the upper portion of the base part. Two supporting legs of a half-frame type bracket in the portal frame part are arranged in portal frame rails of the milling machine body through wheel parts at the lower ends; the milling machine body part is a planer type milling machine body; the milling cutter lifting part and the crane part move along the track of an upper beam of the semi-frame type bracket; the milling cutter lifting part and the crane part move on the portal frame; the support part comprises a support part guide vane support, universal joints are arranged at the top end of a telescopic shaft of a hydraulic oil cylinder in the support part guide vane support, and the two universal joints are supported at the gravity center position of a guide vane. According to the invention, a counterweight is canceled; therefore, the position of the supporting part can be adjusted before the guide vane is milled, and the production efficiency is improved.