Steel box arch rib wind bracing vertical lifting structure

Abstract

The utility model relates to a vertical lifting structure of a steel box arch rib wind brace. The device mainly comprises bridge piers, cast-in-place box girders, steel box girders, steel pipe piles, steel pipe columns, parallel bracings, diagonal bracings, bearing beams, connecting rods, steel box arch ribs, upper cross beams, longitudinal beams, winches, jacks, steel wire ropes, movable type steel supports, hanging rods, hanging type operation platforms, wind braces, sliding rails, transverse operation platforms, longitudinal operation platforms, transverse rods, lifting lugs, protective nets, square steel, steel plates, sliding rods and the like. According to the steel box arch rib wind bracing vertical lifting structure, an integrated steel structure support system is adopted, the system is reasonable in design, the wind bracing lifting installation efficiency is improved, the construction cost is reduced, and good technical and economic benefits can be obtained when the steel box arch rib wind bracing vertical lifting structure is applied to actual engineering.

Description

TECHNICAL FIELD

[0001] The utility model relates to steel box arch rib wind bracing vertical hoisting structure mainly suitable for steel box arch rib wind bracing hoisting installation construction. BACKGROUND

[0002] With the continuous development of global economy and the acceleration of urbanization process, bridge engineering, as an important part of transportation 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 steel box arch rib wind bracing hoisting construction involves high-altitude operation and complex hoisting, etc., and has high safety risk.

[0003] In summary, the research and development of steel box arch rib wind bracing vertical hoisting structure can ensure the installation efficiency and safety of steel box arch rib wind bracing hoisting through the innovation of integrated steel support steel box arch rib wind bracing vertical hoisting structure system, etc. SUMMARY

[0004] The utility model aims at the problem of steel box arch rib wind bracing hoisting installation, and provides a kind of steel box arch rib wind bracing vertical hoisting structure.

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

[0006] The steel box arch rib wind bracing vertical hoisting structure comprises: cast-in-place box girder, steel box girder, steel pipe pile, steel box arch rib, movable type steel support, hanging type operation platform and wind bracing.

[0007] The lower part of the steel box girder is provided with a steel pipe column temporary support system, which comprises a first steel pipe column, a flat link and a scissors brace arranged on the upper part of the steel pipe pile, a cushion beam is arranged on the top of the first steel pipe column for supporting the steel box girder, and the two ends of the steel box girder are connected with the cast-in-place box girder, and the lower part of the cast-in-place box girder is provided with a pier.

[0008] The movable type steel support is provided with a jack in the middle part, and the wind bracing is hoisted and lifted by the second steel wire rope.

[0009] A plurality of second steel pipe columns are symmetrically arranged on the upper part of the steel box girder, and an upper cross beam and a longitudinal beam are sequentially arranged on the top of the second steel pipe column, and a transverse operation platform and a longitudinal operation platform are arranged on the upper cross beam and the longitudinal beam, respectively.

[0010] A slide rail is arranged on the longitudinal beam and is embedded with a slide rod on the movable type steel support, the movable type steel support is moved on the slide rail by a winch and a first steel wire rope on the two end transverse operation platforms, and the jack is located at the designed hoisting point.

[0011] Furthermore, the suspended operating platform is composed of square steel, steel plates, and protective netting. Its upper part is connected to the crossbars via hanging rods, and the crossbars are welded to the movable steel frame. The suspended operating platform moves synchronously with the movable steel frame.

[0012] Furthermore, the wind brace is equipped with lifting lugs that connect to the steel wire rope of the jack.

[0013] Furthermore, the mobile steel support frame is made of steel profiles processed into a grid shape.

[0014] Furthermore, the two second steel pipe columns are connected by a connecting rod.

[0015] This utility model has the following features and beneficial effects:

[0016] The steel box arch rib wind brace vertical lifting structure of this utility model adopts an integrated steel structure support system. This system is reasonably designed, which improves the efficiency of wind brace lifting and installation, reduces construction costs, and can achieve good technical and economic benefits when applied to actual projects. Attached Figure Description

[0017] Figure 1 This is a side elevation diagram of the vertical lifting structure of the steel box arch rib wind brace;

[0018] Figure 2 This is a plan view of the vertical lifting structure of the steel box arch rib wind brace;

[0019] Figure 3 This is a schematic diagram of section AA;

[0020] Figure 4 This is a detailed schematic diagram of the movable end of the mobile steel bracket.

[0021] In the diagram: 1. Pier; 2. Cast-in-place box girder; 3. Steel box girder; 4. Steel pipe pile; 5. First steel pipe column; 6. Horizontal bracing; 7. Scissor bracing; 8. Pad beam; 9. Connecting rod; 10. Steel box arch rib; 11. Upper crossbeam; 12. Longitudinal beam; 13. Winch; 14. Jack; 15. First wire rope; 16. Mobile steel support frame; 17. Lifting rod; 18. Suspended operating platform; 19. Wind brace; 20. Slide rail; 21. Horizontal operating platform; 22. Longitudinal operating platform; 23. Crossbar; 24. Lifting lug; 25. Protective net; 26. Square steel; 27. Steel plate; 28. Slide rod; 29. ​​Second steel pipe column; 30. Second wire rope. Detailed Implementation

[0022] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0023] Those skilled in the art should understand that, in the disclosure of this application, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, the above terms should not be construed as limitations on this application.

[0024] The present invention will be further described below with reference to embodiments, wherein traditional construction methods such as component fabrication, component hoisting and transportation, component welding, and bolt fixing are not described in detail. The following description of the embodiments is only for the purpose of helping to understand the present invention. It should be noted that for those skilled in the art, several improvements and modifications can be made to the present invention without departing from the principle of the present invention, and these improvements and modifications also fall within the protection scope of the claims of the present invention.

[0025] Figure 1 This is a side elevation diagram of the vertical lifting structure of the steel box arch rib wind brace; Figure 2 This is a schematic diagram of the vertical lifting structure of the steel box arch rib wind brace; Figure 3 This is a schematic diagram of section AA; Figure 4 This is a schematic diagram of the movable end of a mobile steel frame.

[0026] Referring to the figures, the vertical lifting structure of the steel box arch rib wind brace includes: cast-in-place box girder 2, steel box girder 3, steel pipe pile 4, steel box arch rib 10, mobile steel support 16, suspended operating platform 18, and wind brace 19.

[0027] The lower part of the steel box girder 3 is provided with a temporary support system of steel pipe columns. The temporary support system of steel pipe columns includes the first steel pipe column 5, the horizontal bracing 6 and the scissor bracing 7 on the upper part of the steel pipe pile 4. The top of the first steel pipe column 5 is provided with a pad beam 8 to support the steel box girder 3. The two ends of the steel box girder 3 are connected to the cast-in-place box girder 2. The lower part of the cast-in-place box girder 2 is provided with a pier 1.

[0028] The mobile steel support frame 16 is equipped with a jack 14 in the middle, which is used to lift and hoist the wind support 19 through the second steel wire rope 30;

[0029] Multiple second steel pipe columns 29 are symmetrically arranged on the upper part of the steel box girder 3. The top of the second steel pipe columns 29 is successively provided with an upper horizontal beam 11 and a longitudinal beam 12. A transverse operating platform 21 and a longitudinal operating platform 22 are respectively provided at the positions of the upper horizontal beam 11 and the longitudinal beam 12.

[0030] The longitudinal beam 12 is equipped with a slide rail 20, which is fitted with the slide rod 28 on the movable steel support 16. The movable steel support 16 is moved on the slide rail 20 by the winch 13 on the transverse operating platform 21 at both ends and the first wire rope 15, and the jack 14 is located at the designed lifting point.

[0031] Preferably, the suspended operating platform 18 is composed of square steel 26, steel plate 27, and protective netting 25. Its upper part is connected to a crossbar 23 via a lifting rod 17. The crossbar 23 is welded to a movable steel support 16, and the suspended operating platform 18 moves synchronously with the movable steel support 16. The wind brace 19 is equipped with lifting lugs 24, which are connected to a wire rope 15 connected to the jack 14. The two second steel pipe columns 29 are connected by a connecting rod 9.

[0032] Preferably, the movable steel support 16 is made of steel profiles processed into a grid shape.

[0033] Preferably, all components of the steel box arch rib wind brace vertical lifting structure are processed in the factory and assembled on site.

[0034] The parts not described in detail in this application are prior art, and therefore are not described in detail in this application.

[0035] It is understood that the term "a" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element can be one, while in another embodiment, the number of the element can be multiple, and the term "a" should not be understood as a limitation on the number.

[0036] Although this document uses a significant amount of technical terminology, the possibility of using other terms is not excluded. These terms are used merely to facilitate the description and explanation of the nature of this application; interpreting them as any additional limitation would be contrary to the spirit of this application.

[0037] This application is not limited to the above-described preferred embodiments. Anyone can derive other products in various forms under the guidance of this application. However, regardless of any changes made to their shape or structure, any technical solution that is the same as or similar to that of this application falls within the protection scope of this application.

Claims

1. A vertical lifting structure for steel box arch rib wind bracing, characterized in that, include: Cast-in-place box girder (2), steel box girder (3), steel pipe pile (4), steel box arch rib (10), mobile steel frame (16), suspended operating platform (18), wind brace (19); The lower part of the steel box girder (3) is provided with a temporary support system of steel pipe columns. The temporary support system of steel pipe columns is provided with the first steel pipe column (5), the horizontal bracing (6) and the scissor bracing (7) on the upper part of the steel pipe pile (4). The top of the first steel pipe column (5) is provided with a pad beam (8) for supporting the steel box girder (3). The two ends of the steel box girder (3) are connected to the cast-in-place box girder (2). The lower part of the cast-in-place box girder (2) is provided with a pier (1). The movable steel support (16) is equipped with a jack (14) in the middle, and the wind support (19) is lifted and hoisted by the second steel wire rope (30); The upper part of the steel box girder (3) is symmetrically provided with multiple second steel pipe columns (29). The top of the second steel pipe columns (29) is provided with an upper horizontal beam (11) and a longitudinal beam (12) in sequence. The upper horizontal beam (11) and the longitudinal beam (12) are respectively provided with a transverse operating platform (21) and a longitudinal operating platform (22). The longitudinal beam (12) is provided with a slide rail (20), which is fitted with the slide rod (28) on the movable steel support (16). The movable steel support (16) is driven to move on the slide rail (20) by the winch (13) on the transverse operating platform (21) at both ends and the first wire rope (15). The jack (14) is located at the designed lifting point.

2. The steel box arch rib wind brace vertical lifting structure according to claim 1, characterized in that, The suspended operating platform (18) is composed of square steel (26), steel plate (27) and protective net (25). Its upper part is connected to the crossbar (23) through the hanging rod (17). The crossbar (23) is welded to the movable steel bracket (16). The suspended operating platform (18) and the movable steel bracket (16) move synchronously.

3. The steel box arch rib wind brace vertical lifting structure according to claim 1, characterized in that, The wind brace (19) is provided with a lifting lug (24), which is connected to the steel wire rope (15) of the jack (14).

4. The steel box arch rib wind brace vertical lifting structure according to claim 1, characterized in that, The movable steel support (16) is made of steel profiles processed into a grid shape.

5. The steel box arch rib wind brace vertical lifting structure according to claim 1, characterized in that, The two second steel pipe columns (29) are connected by a connecting rod (9).

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