156results about How to "Meet the lifting needs" patented technology

The invention discloses a drum frame supporting power built-in integrated jacking steel platform formwork system, comprising a steel platform, a support system, a suspended scaffold, a template system and a hydraulic jacking power system; the support system comprises a drum frame support and an internal framework support; the drum frame support is located under the steel platform, and comprises a steel platform support, an oil cylinder counter-force beam, a guide roller, a support steel column and a drum frame support beam; the internal framework support is arranged inside the drum frame support and located between the drum frame support beam and the oil cylinder counter-force beam; the hydraulic jacking power system comprises a hydraulic jacking oil cylinder and a power control system thereof; the hydraulic jacking oil cylinder is inverted between the oil cylinder counter-force beam and the internal framework support; telescopic brackets are arranged at the end portions of the internal framework support and the drum frame support beam, respectively; and the telescopic brackets are supported in a preformed hole in a shear wall. The drum frame supporting power built-in integrated jacking steel platform formwork system is capable of realizing the construction operation of a complex core drum, shortening the construction period and ensuring high altitude construction safety, and also capable of improving the green construction level.

The invention discloses a full-set dismantling and installing construction method of a bridge overpassing an existing line. Full-set dismantling and installing construction is conducted on a plurality of beam segments needing to be dismantled of a used beam to be dismantled from front to back. The full-set dismantling and installing construction method comprises the steps that firstly, a pavement layer of the bridge surface is milled; secondly, roof-propping is conducted on the beam segments; thirdly, preparatory work is conducted before hoisting; fourthly, hoisting and moving-out are conducted; fifthly, one beam segment is installed after replacement; sixthly, full-set dismantling and installing construction of the next beam segment is conducted, specifically, full-set dismantling and installing construction is conducted on the next beam segment needing to be dismantled of the used beam to be dismantled according to the first step to the fifth step of the method; and seventhly, the sixth step is repeated once or more than once till full-set dismantling and installing construction of all the beam segments needing to the dismantled in the used beam to be dismantled is completed. The method is simple in step, reasonable in design, easy and convenient to implement and good in using effect, full-set dismantling and installing construction of the bridge overpassing the existing line can be completed easily, conveniently and rapidly, the construction process is safe and reliable, the construction period is short, and the method is economical and practical.

The invention discloses a high-speed low-inclusion electroslag remelting device and a remelting method thereof and belongs to the field of remelting of electroslag. The electroslag remelting device comprises a consumable electrode, a crystallizer, an ultrasonic wave generator and an electrode driving mechanism, wherein one end of a dummy electrode of the electrode driving mechanism is fixedly connected to the consumable electrode; the other end of the dummy electrode is connected to a bearing of a fixing device; an adjustable-speed motor controls the dummy electrode to rotate; one end of a transformer is electrically connected to the dummy electrode through an electric brush, so that the consumable electrode rotates continuously and is affected by ultrasonic wave from the bottom at the same time in the remelting process. Through the remelting method based on the remelting device, the melting of the consumable electrode is accelerated; the energy consumption is reduced; the prepared electroslag ingots are uniform in structures, few in inclusions and high in quality.

The invention discloses a sickbed convenient for patient transfer, relates to the technical field of sickroom nursing equipment and solves the problem that it is troublesome to lift by using manpowerand difficult to lift for heavier patients when transferring patient. The sickbed includes a bed body and a bed board. The center of the bed body is provided with a groove for accommodating the bed board. Mounting grooves are arranged at the bottoms of both sides of the groove. A lifting device is arranged in the mounting groove. A lifting plate is arranged above the lifting device. The lower surface of the lifting plate is in contact with the lifting devices at the two sides. The bed board is arranged above the lifting plate. The lifting flat plate is provided with a roller mechanism for driving the bed board to move. The roller mechanism includes a roller frame arranged on the lifting flat plate. A plurality of rollers are arranged on the roller frame. A gear is arranged at one end of the roller. A motor with an output shaft arranged with a gear is arranged on the groove wall of one side of the groove. Gears on a plurality of rollers are matched with the motor through gear belts.

The invention relates to a method for hoisting a large-sized component through air bags. The method is characterized in that the lower side of the component is provided with two or more than two air bags, and the air bags are charged with air or water to hoist the component. The action areas of the air bags occupy 10 to 45 percent of the bearing load areas of the component bottom. The method aims to solve the technical problems that the large-sized component adopts the conventional hoisting method of a hydraulic jack, the hoisting point load is centralized, and the prior method has the disadvantages of high base requirements, large construction difficulty, high cost, low efficiency and poor safety. The invention provides the technical method for hoisting the large-sized component through the air bags to replace the prior hoisting method of the hydraulic jack and makes use of the characteristics of large air bag bearing area and dispersed load to greatly reduce the requirements on base load force, ensure that the hoisted objects are not damaged and meet the jacking requirements of various ultra-large size components.

The invention relates to a large-sized adjustable container counterweight device comprising a base. A primary double-layer guide box with a sandwich structure and a plurality of secondary single-layer guide plates are arranged on the base, the secondary single-layer guide plates are at least partially accommodated in the sandwich structure in an adaptive way, the plurality of secondary single-layer guide plates are connected end to end so as to form an adjustable box body structure, and the base is also provided with double-stage oil cylinders matched with the primary double-layer guide box and the secondary single-layer guide plates. A container counterweight is employed to replace a traditional small counterweight block; a container counterweight filler can be sandy soil, can be obtained on site, and the manufacturing cost can be greatly reduced through replacing a traditional cast iron counterweight with the container counterweight; when the container counterweight is not in use, the sandy soil is removed, only a container needs to be transported, and thus the transportation is convenient and the cost is reduced; and a certain pressure can be also applied by a hydraulic structure so as to compact the sandy soil, so that uniformity of the sandy soil in the container counterweight is ensured.

The invention provides a super lifting device and a flare angle control device thereof, as well as a crane containing the super lifting device. The flare angle control device comprises that a support rod connecting base, and a pin roll connecting hole is arranged on the support rod connecting base; a first super lifting support rod (20), a second super lifting support rod (20'), a third super lifting support rod (40) and a fourth super lifting support rod (40'), and first ends of the first super lifting support rod (20), the second super lifting support rod (20'), the third super lifting support rod (40) and the fourth super lifting support rod (40') can be connected on the support connecting base in a pivot way; and the third super lifting support rod (40) is arranged outside the first super lifting support rod (20), and the fourth super lifting support rod (40') is arranged outside the second super lifting support rod (20'). According to the flare angle control device, the constraint function of the crane arm can be enhanced, and the lifting performance of the crane is further increased.

The invention discloses a lifting device. The lifting device comprises a lifting frame and lifting chains, wherein one ends of the lifting chains are provided with lifting hooks, and the other ends of the lifting chains are connected with the lifting frame through a positioning regulating mechanism; the lifting device is characterized in that the lifting chains and the lifting frame are connected through the positioning regulating mechanism, a connecting position of the lifting chains and the lifting frame is regulated according to the actual requirement through the positioning regulating mechanism, a rotating semidiameter and a rotating center of each lifting chain are regulated according to the actual requirement, and a lifting requirement of a product with the large size is met; the lifting device is capable of meeting lifting requirements of multiple size products, the structure is simple, the manufacture is easy, the regulation is convenient, and the production operation efficiency is effectively improved.

The invention provides a self-loading and unloading carrier vehicle. The self-loading and unloading carrier vehicle comprises a frame, and two suspension frames which are installed on the frame and arranged oppositely, wherein the two suspension frames are matched to lift a container. At least one suspension frame is movable. The movable suspension frame is moveably arranged on the frame so that the distance between the two suspension frames along the length direction of a vehicle body can be adjusted. The self-loading and unloading carrier vehicle provided by the invention is multi-purpose and can be used to lift containers in various specifications.

The invention discloses a crossing existing line bridge girder dismounting method. A dismounted bridge girder is a girder crossing an existing railway line and is formed by splicing a plurality of girder segments to be dismounted from front to back. During complete set dismounting construction of any segment to be dismounted, the process comprises the following steps that firstly, a bridge deck pavement is milled, specifically, the bridge deck pavement of the girder segment constructed currently is milled; secondly, the girder segment is jacked up, specifically, the girder segment constructed currently is horizontally jacked upwards through a vertical jacking device, so that the girder segment constructed currently is separated from two supporting piers; thirdly, preparation operation before hoisting is conducted; and fourthly, the girder segment constructed currently is horizontally hoisted upwards through a bridge girder erection machine and moved to the outer sides of the two supporting piers. The method is simple in step, reasonable in design, easy and convenient to construct and good in application effect, the complete set dismounting construction process of the crossing existing line bridge girder can be completed easily, conveniently and rapidly, and the construction process is safe and reliable, the construction period is short, and the method is economic and practical.

The invention provides a combined type multifunctional hanger which comprises a double plate type balance beam, wherein the double plate type balance beam is formed by two parallel balance plates; a supporting type balance beam is arranged below the double plate type balance beam; the supporting type balance beam comprises a transverse beam; one supporting plate is mounted at one end of the transverse beam, and the other supporting plate is mounted at the other end of the transverse beam; hook fixing shafts and limiting shafts are mounted between the supporting plates; hooks are mounted on the hook fixing shafts; all the limiting shafts are connected through annular slings; movable limiting shafts are arranged in the annular slings; two ends of each movable limiting shaft move along horizontal guiding grooves in horizontal guiding plates; both a first horizontal guiding plate and a second horizontal guiding plate are connected with the transverse beam; the limiting shafts are connected through resetting tension springs; and a plurality of sling guiding shafts are mounted between the supporting plates. According to the hanger, during hoisting, a bending moment and transverse supporting force borne by the hanger can be offset, the hoisting height of a hoisting device is effectively increased, and hoisting requirements of large and heavy industrial equipment are met.

The invention belongs to the technical field of bridge erection, and discloses a wide-body double-width bridge erecting machine and an erecting method thereof. According to the wide-body double-widthbridge erecting machine, a left steel beam and a right steel beam can be erected at the same time under the condition that the position of a bridge erecting machine main body is not changed. The wide-body double-width bridge erecting machine comprises a main beam, a four-front supporting leg system, a middle supporting leg and a tail supporting leg; and the four-front supporting leg system comprises four same front supporting legs and a front supporting leg cross beam, the front supporting leg cross beam is arranged on the main beam, so that the left steel beam and the right steel beam can beerected by the bridge erecting machine at the same time, therefore, rapid hoisting of the steel beams is realized. According to the wide-body double-width bridge erecting machine, the erecting construction is performed; the additional stress generated due to the fact that the front cross beam is arranged later is avoided, so that the stress state of the steel beams in the bridge forming process isthe same as that of the design; the aerial operation risk is reduced, so that the safety and reliability of the bridge erection construction are improved; the front cross beam is arranged in a steelbeam assembly field, so that the construction progress is accelerated; and the left steel beam and the right steel beam can be hoisted at the same time, so that the working efficiency of the bridge erecting machine is improved.

The invention discloses a building pipeline hoisting device. The building pipeline hoisting device comprises a hoisting box and a mounting frame, the mounting frame is located at the top of the hoisting box, two movable hoisting claws are arranged below the hoisting box, the two movable hoisting claws are symmetrically arranged and slidably connected with the hoisting box, a controller and a driving motor are arranged on the two sides of the hoisting box correspondingly, a hollow driving cavity is formed inside the hoisting box, a double-thread rod connected with the driving motor is arrangedin the driving cavity, the double-thread rod is provided with two sets of external threads opposite in direction, the double-thread rod is sleeved with two driving plates rotationally connected with the double-thread rod in a threaded mode, threaded holes are formed in the driving plates, the lower ends of the driving plates extend out of the hoisting box and are fixedly connected with the movablehoisting claws, and a guide groove is formed in the bottom surface of the hoisting box. According to the building pipeline hoisting device, the driving motor drives the movable hoisting claws for grabbing, and through expansion air bags, attaching and fixing are performed so that the hoisting requirements of pipelines with different diameters can be met, the safety and the stability during hoisting can be greatly improved, and the device is suitable for being used for building construction.

The invention discloses a mounting bracket of LED display screens and a hoisting structure. The mounting bracket is characterized by comprising an upper mounting base (1), one or more middle expansion seats (2), a lower hoisting seat (3) and two or more connecting columns (4), wherein interval adjusting parts (7) horizontally extend onto mounting plates (6) from the two sides of sleeves(5); the interval adjusting parts (7) have bolt holes (71) inside; and the bolt holes (71) communicate with the interiors of the sleeves (5). According to the mounting bracket of LED display screens and the hoisting structure, the hoisting requirement of back pure flat panel LED display screen boxes and small-interval display screens is met, the distances of the box mounting plates on the bracket can be slightly adjusted for each box, and the hoisting accuracy is improved.

The invention provides a single-blade hoisting barring gear for a wind turbine generator system. The single-blade hoisting barring gear comprises a barring unit, a power system and a control system, the barring unit comprises a decelerator and a conversion flange, the decelerator is connected with a brake disc on an output shaft of a gearbox through the conversion flange, the power system is connected with an input shaft of the decelerator, and by driving the input shaft of the decelerator to rotate radially, an output shaft of the decelerator drives the output shaft of the gearbox to rotate radially; and the control system is connected with the power system, and the power system is controlled to start or stop working according to obtained position information of a hub opening. The position information of the hub opening can be automatically obtained, the rotating amplitude of an impeller is automatically controlled, during single-blade hoisting of the wind turbine generator system, the hub opening is kept at the horizontal position, and the single-blade hoisting demands of the wind turbine generator system are met. The single-blade hoisting barring gear is small in size and compact in structure, large moment of force can be stably output through a hydraulic motor to drive the impeller to rotate, vibration noise is small, and the safety of hydraulic pressure-maintaining brakingis higher.

The invention discloses a plate-shaped columnar part hanging auxiliary tool for machinery production. The plate-shaped columnar part hanging auxiliary tool comprises a main frame, a top clamp plate and a bottom clamp plate, wherein the top clamp plate is welded at the upper position of the main frame; the bottom clamp plate is welded in the lower part position of the main frame; a clamping screw bolt is screwed and connected in the middle part of the top clamp plate; the bottom of the clamping screw bolt is rotationally matched with a movable clamp head through a bearing; a hanging screw rod is arranged on the main frame in a penetrating way; the top of the hanging screw rod is provided with a columnar material hanging lug; a plate material hanging lug is welded in a position at one end of the top clamp plate; a through screw rod screw hole is formed in the main frame, and is matched with the hanging screw rod. The plate-shaped columnar part hanging auxiliary tool for machinery production has the advantages that the structure is relatively simple; the assembly is convenient; the manufacturing cost is lower; the operation is easy; the plate-shaped columnar part hanging auxiliary tool can be used for hanging plate material parts and columnar parts; the application range is wide; the universality is good; the types of hanging tools used in production and processing workshops can be favorably reduced; the plate-shaped columnar part hanging auxiliary tool is worthy of being popularized.

The invention discloses a high-altitude floating type vertical axis wind generating set in the technical field of clean energy power generation. The high-altitude floating type vertical axis wind generating set floats in the air through floating air bags. A plurality of electric generators are distributed on the inner circumference of an inner side supporting ring wall at equal intervals, the inner side supporting ring wall is sleeved by a bearing, and an outer side supporting ring wall and an outer circle wall face of the bearing are fixed. Blade support frames are divided into an upper layer and a lower layer and are fixed to the upper end and the lower end of the outer side supporting ring wall correspondingly. Blades are vertically arranged on the outer circumference of an upper blade supporting ring and the outer circumference of a lower blade supporting ring at equal intervals, and the multiple floating air bags are regularly arranged and fixed to the upper face of a floating air bag supporting frame. The wind generating set is fixed to the ground through a bottom fixing lock chain, a cable is fixed to the fixing lock chain, and the electricity generated by the wind generating set is transmitted to the ground through the cable. The floating air bags guarantee that the wind generating set can stably float in the high altitude for a long time. By adopting the vertical axis, the wind generating set does not need an off-course wind aligning system, and the wind generating set can sufficiently utilize the wind energy in all directions.

The invention relates to the technical field of textile machinery, in particular to an electrical opening mechanism directly driving a heald frame. The electrical opening mechanism is characterized by comprising a machine frame and the heald frame arranged in the machine frame, the machine frame comprises an upper beam, a lower beam, a left stand column and a right stand column, and a pair of power lifting components capable of making the heald frame move up and down are symmetrically arranged on the upper beam of the machine frame; each power lifting component comprises a fixing plate, a guiding sleeve, a heald lifting connecting rod, a cross beam and a pair of electric power elements; the electrical opening mechanism further comprises a heald frame weight balancing mechanism, the heald frame weight balancing mechanism comprises a first balancing connecting rod, a second balancing connecting rod and a balancing weight, the first balancing connecting rod is hinged to the heald frame, and the second balancing connecting rod is sleeved with the balancing weight. The power lifting components driving the multipage heald frame are arranged on the upper side of the machine frame in a staggering mode. Compared with an existing electronic dobby, the electrical opening mechanism has the advantages that the structure is simple, action is flexible, manufacturing cost is reduced, using performance is improved, and especially, halt accidents caused by damage of complicated parts is avoided.

The invention discloses a dish-washing machine with a lifting type tray assembly and a manufacturing method of the dish-washing machine. The dish-washing machine comprises a dish-washing machine tankand a box body, the box body is fixedly connected below the dish-washing machine tank, a cover plate is rotatably connected to the top surface of the dish-washing machine tank, the dish-washing machine further comprises a dish basket lifting mechanism and an automatic cover turning mechanism, the dish basket lifting mechanism is vertically movably connected into the dish-washing machine tank, andthe cover plate is rotatably connected to the top surface of the dish-washing machine tank through the automatic cover turning mechanism. The method comprises the steps of dish-washing machine grooveand box machining, water spraying system installation, dish basket lifting mechanism installation, cover plate installation and dish-washing machine trial operation. According to the invention, the bowl basket lifting mechanism is designed, bowls and chopsticks needing to be cleaned can be placed in the bowl basket, then the bowl basket is hung on the bowl basket lifting mechanism, the bowl basketis automatically placed in a dish-washing machine tank, the bowl basket can extend out under the action of the bowl basket lifting mechanism after cleaning is finished, taking out or ventilation draining treatment is facilitated, and bacterium breeding caused by long-time placement of the bowls and chopsticks in the dish-washing machine tank is prevented.

The invention discloses a double-column hydraulic lifter suitable for lifting of vehicles with different types, and relates to the field of vehicle lifting equipment. The double-column hydraulic lifter suitable for lifting of the vehicles with different types comprises a pair of stand columns symmetrically arranged on the horizontal plane; two slide ways and lifting support block chutes are vertically formed in a pair of opposite side surfaces of the two stand columns; E-shaped lifting slide tables are slidingly matched on the two slide ways and the lifting support block chutes; rocking arm steering structures are mounted on the two E-shaped lifting slide tables; and lifting tables are matched and mounted between two pairs of rocking arm steering structures. The E-shaped lifting slide tables are designed; the lifting tables are connected between the two slide tables through the rocking arm steering structures; the E-shaped lifting slide tables are matched with channels on the surfacesof the stand columns; extension hydraulic oil cylinders with adjustable lengths are arranged between two opposite side surfaces of the lifting tables; and sliding adjustable baffle plates are arrangedon support plates of the lifting tables for preventing slippage of the vehicles, so that the capacity of the lifter lifting the vehicles with multiple model numbers and the stability in the lifting process are improved.

The invention discloses a lifting device for power distribution construction. The lifting device is used for facilitating lifting of a required tool. The lifting device comprises a clamping assembly and lifting assemblies, wherein the clamping assembly mainly comprises a first clamper, a second clamper and air bags; one end of the first clamper is articulated with one end of the second clamper; a locking mechanism is arranged between the other end of the first clamper and the other end of the second clamper; the air bags are respectively arranged on inner side walls of the first and second clampers; air valves are arranged on the air bags; the lifting assemblies are respectively arranged on the first and second clampers, and comprise swing arms, swing arm positioning mechanisms, stretching arms, stretching arm positioning mechanisms and wire wheels; the swing arms are mounted on the first or second clamper in an articulating manner; the swing arm positioning mechanisms are arranged between the swing arms and the first and second clampers; the stretching arms are mounted on the swing arms in a sliding manner; rotating shafts are mounted on the stretching arms in a rotating manner; the wire wheel is fixed at one end of each rotating shaft; and pulling ropes are wound on the wire wheels. The lifting device can facilitate the lifting of the tool.

The invention discloses a super high-rise roof curtain wall installing system and a construction method thereof. The installing system is installed on a body structure of a building roof, and comprises a set of supporting frames, T-shaped frames and an annular connecting beam, wherein the supporting frames are arranged on the edge of the body structure in the annular direction at intervals, the T-shaped frames are vertically connected to the tops of the supporting frames, and the annular connecting beam is annularly connected to the T-shaped frames; the front ends of the T-shaped frames exceedthe installing position of a curtain wall and are connected with annular rails, the rear ends of the T-shaped frames are suspended out from the supporting frames, and stable ropes are connected between the rear ends of the T-shaped frames and the body structure. In the process of construction operation, the supporting frames and T-shaped beams are additionally arranged to heighten the annular rails, in this way, the demand for a lifting height is met, on-site existing resources can be utilized to the maximum degree, the utilization efficiency of a lifting machine is improved as high as possible, the lifting machine is prevented from being disassembled and assembled by multiple times, the construction period is effectively shortened, construction costs are lowered effectively, and the basic targets of environmentally-friendly construction and construction benefit increase are realized. The super high-rise roof curtain wall installing system can be widely applied to installing and constructing of the roof curtain wall.

The invention discloses a maintenance crane used for a large-size wind power device, comprising a steel structure, a raising drive mechanism, a special hanger and an electronic controlling system, wherein, the steel structure is arranged inside an engine room of the wind power device and is provided with the raising drive mechanism and a trolley as well as the traction and anti-shake device. The invention is characterized in that the crane also comprises a weight difference variable multiplying factor raising line which consists of a wire rope, a direction-changing assembly pulley, a trolley assembly pulley, a hanger assembly pulley, a fixed assembly pulley and a fixed point or a balancing device; one end of the wire rope is fixed on the raising drive mechanism, the other end of the wire rope is respectively connected to the special hanger by the weight difference variable multiplying factor raising line, the raising and the dropping of a weight are realized under the control of an electric control system. The invention can replace the existing ultra-large type mobile crane or the floating crane and provides an economic and safe hoisting method and a path for the large-size wind power device.

The invention discloses a modular design and quick assembly super high-rise building jacking form and a jacking method. The modular design and quick assembly super high-rise building jacking form comprises a plurality of shaft ways. The shaft ways are parallel to one another, jacking platforms are mounted on the shaft ways, the shaft ways and the jacking platforms are combined with one another to obtain jacking forms, and jacking can be carried out by each jacking platform or the multiple jacking platforms. The modular design and quick assembly super high-rise building jacking form and the jacking method have the advantages that the modular design and quick assembly super high-rise building jacking form and the jacking method are in systematic, integrated and modular designs, mature and standard devices can be sufficiently utilized, and accordingly the purposes of quick construction and the optimal comprehensive economic benefit indexes can be achieved; the modular design and quick assembly super high-rise building jacking form and the jacking method are short in mounting and jacking preparation time, effects of optimal work efficiency and economic benefits can be realized, steel platforms can be integrally and locally jacked, precision control in service procedures can be greatly improved, and jacking requirements of the steel platforms at different locations can be met without influence on the integral construction progress.

The invention relates to the technical field of hoisting devices, and particularly discloses a hoisting device for shipway operation, which comprises a hoisting bracket and a lifting driving mechanism, the lifting support comprises a left support and a right support, a lifting base is installed between the left support and the right support, and a left lifting hook and a right lifting hook are installed on the lifting base; the left lifting hook comprises a first left lifting hook and a second left lifting hook, the right lifting hook comprises a first right lifting hook and a second right lifting hook, and the first left lifting hook, the second left lifting hook, the first right lifting hook and the second right lifting hook are connected with the first left roller, the second left roller, the first right roller and the second right roller through steel wire ropes; spacing adjusting mechanisms are installed between the left lifting hooks and the right lifting hooks, between the two left lifting hooks and between the two right lifting hooks. According to the lifting device, the position of each lifting hook can be adjusted according to the volume of a material, so that the lifting work of materials with various volumes is realized, the practicability and the flexibility are relatively high, and the lifting requirements of various materials are met.

The invention provides a floating drilling platform and a construction method thereof. The floating boring platform comprises half-cabin barges interlinked by a coupling link, a load-bearing distribution beams are arranged in cabins of the half-cabin barges, and a platform layer is arranged at the top of each of the load-bearing distribution beams; a crawler crane is arranged at the top of one ofthe half-cabin barges while a drilling rig used for drilling is arranged on the platform layer of the top of the other half-cabin barge. By the arrangement, actual problems about an existing drillingmachine in great limitation of geographical conditions, difficult anchor positioning, requirement for additional heavy lifting equipment, high barge moving cost, failure in positioning and pile inserting of steel casing during drilling construction and the like can be effectively solved.

The invention provides a turnover sliding combined type roofing structure capable of being opened and closed. The structure comprises main beams, a main beam bracket, a support, a turnover structure and a sliding structure, wherein the main beams stretch across a building; the main beam bracket stretches across the main beams; the support is used for supporting the main beams; the turnover structure is arranged on the support; and the sliding structure is arranged on the support in a sliding way. A vehicle body sealing plate provided by the invention is simple in structure and high in applicability, and can be directly arranged on a steel safe shell cylinder body. Large-area opening or closing can be realized through automation, the requirements on building lighting, rain and snow resistance and wind resistance can be met, the lifting operation requirement of a reactor building can be met, and the structure can be conveniently mounted and dismounted for reuse.