Integral lifting structure of steel box arch rib hanging bracket

Abstract

The utility model relates to an integral lifting structure of a steel box arch rib hanging bracket. The device mainly comprises bridge piers, steel pipe piles, steel pipe columns, parallel bracings, web members, cast-in-place box girders, profile steel frames, V-shaped hanging brackets, winches, CLL self-locking jacks, steel wire ropes, pre-embedded steel arch feet, steel box arch ribs, lifting lugs, transportation supports, profile steel stand columns, a transportation ship, a water level line, steel plates, transverse rods, wind braces, pulleys, vertical supporting rods, inclined supporting rods, plug pins, sleeves, lug plates and the like. According to the integral lifting structure of the steel box arch rib hanging bracket, the overwater integral type transportation support and the steel structure integrated hanging bracket structure are adopted, the system design is reasonable, the integral lifting installation efficiency of the steel box arch rib is improved, the construction cost is reduced, and good technical and economic benefits can be obtained when the integral lifting structure is applied to actual engineering.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel box arch rib hanger integral hoisting structure mainly suitable for steel box arch rib segment integral hoisting installation construction on the river transport ship. BACKGROUND

[0002] With the continuous development of global economy and the acceleration of urbanization process, bridge engineering, as an important part of traffic infrastructure, is facing unprecedented challenges and opportunities. The demand for long-span bridge construction is increasing, and higher requirements are put forward for the construction quality, safety and economy of the bridge. Traditional construction methods often have long construction period, high safety risk and high cost, therefore, exploring new construction methods has become an important task in the field of bridge engineering. The integral hoisting construction of steel box arch rib on the river transport ship involves high-altitude operation and complex hoisting, and has high safety risk.

[0003] In summary, the research and development of steel box arch rib hanger integral hoisting structure can ensure the installation efficiency and safety of steel box arch rib integral hoisting through the innovation of waterborne integral transport support and steel structure integral hanger structure. SUMMARY

[0004] The utility model aims at the problem of steel box arch rib integral hoisting installation on the river transport ship, and provides a steel box arch rib hanger integral hoisting structure.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0006] The steel box arch rib hanger integral hoisting structure comprises a bridge pier, a steel pipe pile, a cast-in-place box girder, a winch, a steel wire rope, a steel box arch rib, a shaped steel column, a transport ship, a cross rod and a wind brace.

[0007] The upper part of the steel pipe pile is provided with a steel pipe column, and the steel pipe columns are provided with a flat link and a web between them; the top of the steel pipe column is sequentially provided with a shaped steel frame and a steel plate.

[0008] A V-shaped hanger is arranged between the two shaped steel frames and connected with the cross rod to form an integral whole, wherein a pulley is installed at the hoisting point position of the cross rod;

[0009] The two ends of the steel box arch rib are provided with lifting lugs, and a plurality of CLL self-locking jacks are installed at the positions of the lifting lugs corresponding to the shaped steel frames;

[0010] The wind brace is also provided with a lifting lug and corresponds to the pulley; the CLL self-locking jacks are connected with the integral steel box arch rib through the steel wire rope to perform integral hoisting, wherein the winch is connected with the lifting lug of the wind brace through the steel wire rope and the pulley to synchronously perform hoisting, so as to avoid the overturning of the steel box arch rib;

[0011] The pre-embedded steel arch foot is arranged at the position of the cast-in-situ box girder of the upper part of the bridge pier.

[0012] Further, four steel pipe piles are arranged on both sides of the cast-in-situ box girder, and the total number of the steel pipe piles is eight.

[0013] Further, the transport ship is internally provided with a transport support, wherein sleeves and ear plates are arranged at positions of the steel column; the steel box arch rib is provided with vertical support rods and inclined support rods, the vertical support rods can be directly inserted into the sleeves for temporary fixation, and the vertical support rods and the inclined support rods are fixed at the positions of the sleeves and the ear plates through a bolt.

[0014] The utility model has the following characteristics and beneficial effects:

[0015] The steel box arch rib lifting frame integral lifting structure adopts the integral transport support on water, the steel structure integral lifting frame structure, the system is reasonable in design, improves the steel box arch rib integral lifting installation efficiency, reduces the construction cost, and can obtain better technical and economic benefits in practical engineering. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the side elevation schematic view of the steel box arch rib lifting frame integral lifting structure;

[0017] Figure 2 is the plane schematic view of the steel box arch rib lifting frame integral lifting structure;

[0018] Figure 3 is the vertical support rod position installation schematic view.

[0019] In the drawing: 1, bridge pier; 2, steel pipe pile; 3, steel pipe column; 4, flat link; 5, web; 6, cast-in-situ box girder; 7, steel frame; 8, V-shaped lifting frame; 9, winch; 10, CLL self-locking jack; 11, steel wire rope; 12, pre-embedded steel arch foot; 13, steel box arch rib; 14, lifting lug; 15, transport support; 16, steel column; 17, transport ship; 18, water level line; 19, steel plate; 20, cross rod; 21, wind brace; 22, pulley; 23, vertical support rod; 24, inclined support rod; 25, bolt; 26, sleeve; 27, ear plate. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art belong to the scope of protection of the present application.

[0021] Those skilled in the art should understand that in the disclosure of the present application, the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation of the present application.

[0022] The present application will be further described below in conjunction with embodiments, in which the traditional construction methods such as component manufacturing and processing, component hoisting and transportation, component welding, bolt fixing, hull transportation, etc. are not described in detail. The following description of the embodiments is only for the purpose of helping to understand the present application. It should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and modifications can be made to the present application, and these improvements and modifications also fall within the scope of protection of the claims of the present application.

[0023] Figure 1 is a side elevation view of the overall lifting structure of the steel box arch rib hanger; Figure 2 is a plan view of the overall lifting structure of the steel box arch rib hanger; Figure 3 is an installation schematic view of the vertical support rod position.

[0024] Referring to the drawings shown, the overall lifting structure of the steel box arch rib hanger includes: a bridge pier 1, a steel pipe pile 2, a steel pipe column 3, a flat link 4, a web rod 5, a cast-in-place box girder 6, a steel frame 7, a V-shaped hanger 8, a winch 9, a CLL self-locking jack 10, a steel wire rope 11, a pre-buried steel arch foot 12, a steel box arch rib 13, an ear 14, a transportation support 15, a steel stand 16, a transportation ship 17, a water level line 18, a steel plate 19, a crossbar 20, a wind brace 21, a pulley 22, a vertical support rod 23, an inclined support rod 24, a bolt 25, a sleeve 26, an ear plate 27, etc. The overall lifting structure of the steel box arch rib hanger, the related components are all processed in the factory, and are combined and assembled on site.

[0025] The steel pipe pile 2 is arranged on both sides of the cast-in-place box girder 6, and a total of 8 steel pipe piles 2 are arranged; the upper part of the steel pipe pile 2 is provided with a steel pipe column 3, and a flat link 4 and a web rod 5 are arranged between the steel pipe columns 3; a steel frame 7 and a steel plate 19 are sequentially arranged on the top of the steel pipe column 3; two V-shaped hangers 8 are arranged between the two end steel frames 7, and a horizontal rod 20 is arranged to connect the two V-shaped hangers 8 into a whole, wherein a pulley 22 is arranged at the lifting point position of the horizontal rod 20; the two ends of the steel box arch rib 13 are provided with lifting lugs 14, and four CLL self-locking jacks 10 are arranged at the positions of the lifting lugs 14 corresponding to the steel frames 7; the wind brace 21 is provided with the lifting lugs 14 corresponding to the pulleys 22; the CLL self-locking jacks 10 are connected to the whole steel box arch rib 13 through a steel wire rope 11 to lift the whole steel box arch rib 13, wherein a winch 9 is connected to the lifting lugs 14 of the wind brace 21 through the steel wire rope 11 and the pulley 22 to synchronously lift the wind brace 21, so that the whole steel box arch rib 13 can be prevented from overturning; the cast-in-place box girder 6 is arranged at the position of the upper part of the pier 1, and a pre-buried steel arch foot 12 is arranged at the position of the cast-in-place box girder 6; the steel box arch rib 13 is connected and fixed with the pre-buried steel arch foot 12, and finally the related components of the steel structure integrated hanger structure are removed.

[0026] The inside of the transport ship 17 is provided with a transport support 15, wherein sleeves 26 and ear plates 27 are arranged at the positions of steel stand columns 16; the steel box arch rib 13 is provided with vertical support rods 23 and inclined support rods 24, and is hoisted by a large crawler crane, wherein after the vertical support rods 23 are directly inserted into the sleeves 26 for temporary fixing, the vertical support rods 23 and the inclined support rods 24 are fixed at the positions of the sleeves 26 and the ear plates 27 by means of the bolts 25; the transport ship 17 transports the whole steel box arch rib 13 to the designed position, and after the whole steel box arch rib 13 is installed, the vertical support rods 23 and the inclined support rods 24 and the like are removed.

[0027] The CLL self-locking jack 10 is a hydraulic jack with unique performance and wide application, adopts mechanical principle, and through reciprocating pulling handle, the claw pushes the gap of the ratchet wheel to rotate, the small bevel gear drives the large bevel gear, and then the weight lifting screw rotates, finally the lifting sleeve obtains lifting or falling, and the function of lifting force is achieved.

[0028] The part not described in detail in the present application is prior art, and therefore the present application does not describe it in detail.

[0029] It can be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of one element can be one, and in another embodiment, the number of the element can be multiple, and the term "one" cannot be understood as a limitation on the number.

[0030] Although professional terms are used more in the present application, the possibility of using other terms cannot be excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any additional limitation is contrary to the spirit of the present application.

[0031] The application is not limited to the above best mode, and anyone can derive other various forms of products under the inspiration of the application, but regardless of any changes in shape or structure, any technical solution with the same or similar to the application falls within the scope of the application.

Claims

1. A steel box arch rib hanger integral lifting structure, characterized in that, include: Pier (1), steel pipe pile (2), cast-in-place box girder (6), winch (9), wire rope (11), steel box arch rib (13), steel column (16), transport ship (17), crossbar (20), wind brace (21); The steel pipe pile (2) is provided with a steel pipe column (3) on the upper part, and a horizontal bracing (4) and a web member (5) are provided between the steel pipe columns (3); the top of the steel pipe column (3) is provided with a steel frame (7) and a steel plate (19) in sequence; A V-shaped hanger (8) is installed between the two steel frames (7) and connected to the crossbar (20) to form a whole. A pulley (22) is installed at the suspension point of the crossbar (20). The steel box arch rib (13) is provided with lifting lugs (14) at both ends, and multiple CLL self-locking jacks (10) are installed at the corresponding positions of the steel frame (7); The wind brace (21) is also equipped with a lifting lug (14) and corresponds to the pulley (22); the CLL self-locking jack (10) is connected to the integral steel box arch rib (13) by a steel wire rope (11) for overall lifting, wherein the winch (9) is connected to the lifting lug (14) of the wind brace (21) by a steel wire rope (11) and a pulley (22) for synchronous lifting to avoid the overturning of the steel box arch rib (13); The cast-in-place box girder (6) above the pier (1) is provided with a pre-embedded steel arch foot (12); the steel box arch rib (13) is connected and fixed to the pre-embedded steel arch foot (12).

2. The integral lifting structure of the steel box arch rib hanger according to claim 1, characterized in that, The steel pipe piles (2) are arranged in four columns on both sides of the cast-in-place box girder (6), for a total of eight columns.

3. The integral lifting structure of the steel box arch rib hanger according to claim 1, characterized in that, The transport ship (17) is equipped with a transport support (15) inside, in which a sleeve (26) and an ear plate (27) are provided at the position of the steel column (16); the steel box arch rib (13) is provided with a vertical support rod (23) and an inclined support rod (24). The vertical support rod (23) can be directly inserted into the sleeve (26) for temporary fixation, and the vertical support rod (23) and the inclined support rod (24) are fixed at the position of the sleeve (26) and the ear plate (27) by the pin (25).

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