Temporary supporting frame for oval hollow-out steel box girder segment

Abstract

The utility model discloses a temporary support frame for oval hollow steel box girder segments, which comprises a temporary support frame body and a platform arranged at the top of the temporary support frame body, at least two rows of temporary supports are arranged on the platform, and metal plates are hinged to the tops of the temporary supports. The middles of the two columns of temporary supports on the two sides of the platform are each provided with a lifting stand column, the tops of the stand columns are hinged to trays for containing oval hollowed-out steel box girder sections, the middles of the stand columns penetrate through the platform, first toothed plates are arranged on the outer side walls of the lower portions of the stand columns, and spring mechanisms fixed to the temporary supporting frame body are arranged at the bottoms of the stand columns. First gears are rotationally arranged at the positions, opposite to the first toothed plates, of the two sides of the temporary supporting frame body, the first toothed plates are meshed with the first gears, liftable roller mechanisms are symmetrically arranged on the two sides of the temporary supporting frame body and located on the outer sides of the stand columns, and the lower portions of the roller mechanisms are meshed with the first gears and driven by the first gears to ascend and descend. The supporting device can adapt to the special shape of the special-shaped steel box girder, the fitting degree is high, supporting is stable, and the construction efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a temporary support frame for a steel box beam segment, in particular to a temporary support frame for an elliptical hollow steel box beam segment. Background Art

[0002] Steel box girders are commonly used structural elements in roads, bridges and other projects. They are used to carry vehicle loads and their own weight. During the construction process, due to the characteristics of the steel box girder itself and the conditions of the construction site, it is necessary to design a suitable temporary support frame to support the beam to ensure construction safety and quality. Traditional steel box girders often use rectangular cross-sections, but in some special projects, due to the consideration of traffic demand, surrounding buildings and urban aesthetics, elliptical hollow steel box girders are required. This type of beam has a large spatial curvature and complex geometric shape, and traditional temporary support frames often cannot meet its construction needs.

[0003] Traditional temporary support solutions are often not flexible enough and have difficulty coping with the shapes and sizes of the various segments of the elliptical hollow steel box girder. Although some new support frames have a certain degree of flexibility, their manufacturing costs are high and they are not practical enough. Utility Model Content

[0004] The utility model aims to overcome the deficiencies of the prior art and to provide a temporary support frame for an elliptical hollow steel box girder segment, thereby solving the problem that the temporary support frame cannot fit the shape of the elliptical hollow steel box girder.

[0005] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a temporary support frame for an elliptical hollow steel box girder segment, comprising a temporary support frame body and a platform arranged on the top of the temporary support frame body, wherein at least two rows of temporary supports are arranged on the platform, and a metal plate is hingedly provided on the top of the temporary support, and a liftable column is respectively provided in the middle of the two rows of temporary supports on both sides of the platform, and a tray for placing the elliptical hollow steel box girder segment is hingedly provided on the top of the column, the middle part passes through the platform, and a first tooth plate is provided on the outer side wall of the lower part, and a spring mechanism fixed to the temporary support frame body is provided at the bottom, and first gears are rotatably provided at both sides of the temporary support frame body opposite to the first tooth plate, and the first tooth plate is meshed with the first gear, and liftable roller mechanisms are symmetrically provided on the outer sides of the columns on both sides of the temporary support frame body, and the lower part of the roller mechanism is meshed with the first gear and driven to rise and fall by the first gear.

[0006] Furthermore, the roller mechanism includes a Y-shaped bracket and a roller arranged on the upper part of the Y-shaped bracket close to one side of the column, a second tooth plate is provided on the outer wall of the Y-shaped bracket, a pair of triangular brackets are respectively provided on the outer sides of both sides of the temporary support frame body, and a second gear is rotatably provided below the second tooth plate between the two triangular brackets, the second gear is located above the first gear, the Y-shaped bracket is obliquely arranged on the first gear and the second gear, and the second tooth plate is respectively meshed with the first gear and the second gear.

[0007] Furthermore, a perforated channel steel is horizontally provided on the upper part of the Y-shaped bracket near the column, and the roller is arranged at one end of the perforated channel steel near the column. The perforated channel steel is connected by different holes to adjust the position of the perforated channel steel on the Y-shaped bracket.

[0008] Furthermore, the roller is a rubber roller.

[0009] Furthermore, a pair of fixing frames are respectively provided on both sides of the temporary support frame body above the tripod, each fixing frame is provided with a limiting roller, and the two limiting rollers on the same side of the temporary support frame body are respectively close to the corresponding two sides of the Y-shaped bracket.

[0010] Furthermore, the temporary support includes a spring support arranged on the platform and a hinge support fixed on the top of the spring support and hinged to the metal plate.

[0011] Furthermore, a rubber block is provided on the top of the metal plate.

[0012] Furthermore, the spring mechanism includes a first transverse plate fixed on the temporary support frame body and a second transverse plate located above the first transverse plate and having a column fixed on the top, and at least two springs are arranged between the first transverse plate and the second transverse plate.

[0013] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides a temporary support frame for elliptical hollow steel box girder segments, which can rely on the weight of the steel box girder to press down the columns, drive the roller mechanism to automatically lock the special-shaped steel box girder segments, and assist in the positioning of the special-shaped steel box girder. At the same time, the metal plate hinged on the temporary support can rotate at an angle to fit the bottom plate of the special-shaped steel box girder, so that the steel box girder can be placed firmly and accurately on the temporary support. It can adapt to the special shape of the special-shaped steel box girder, ensure the support is stable, safe and reliable, improve construction efficiency, and is easy to install, disassemble and adjust, reducing construction costs, and is economical and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0015] Figure 1It is a structural schematic diagram of a temporary support frame for an elliptical hollow steel box girder segment described in the utility model.

[0016] Figure 2 It is a side structural schematic diagram of a temporary support frame for an elliptical hollow steel box girder segment described in the utility model.

[0017] Figure 3 for Figure 2 Enlarged view of point A.

[0018] Among them: 1. Temporary support frame body; 2. Platform; 3. Temporary support; 4. Metal plate; 5. Column; 6. Tray; 7. First tooth plate; 8. Spring mechanism; 9. First gear; 10. Roller mechanism; 11. Y-shaped bracket; 12. Roller; 13. Second tooth plate; 14. Triangular bracket; 15. Second gear; 16. Perforated channel steel; 17. Fixed bracket; 18. Limiting roller; 19. Spring support; 20. Hinge support; 21. Rubber block; 22. First horizontal plate; 23. Second horizontal plate; 24. Spring. DETAILED DESCRIPTION

[0019] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with 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 of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0020] In view of the demand for temporary support frames, the designers of the utility model innovatively propose a temporary support frame for elliptical hollow steel box girder segments, which can adapt to the special shape of special-shaped steel box girders and ensure stable support.

[0021] like Figures 1 to 3As shown, a temporary support frame for an elliptical hollow steel box girder segment comprises a temporary support frame body 1 and a platform 2 arranged on the top of the temporary support frame body 1, wherein at least two rows of temporary supports 3 are arranged on the platform 2, and a metal plate 4 is hingedly provided on the top of the temporary support 3, and a liftable column 5 is respectively provided in the middle of the two rows of temporary supports 3 on both sides of the platform 2, and a tray 6 for placing the elliptical hollow steel box girder segment is hingedly provided on the top of the column 5, the middle part of the column 5 passes through the platform 2, and a first tooth plate 7 is provided on the outer side wall of the lower part, and a spring mechanism 8 fixed to the temporary support frame body 1 is provided at the bottom, and first gears 9 are rotatably provided at both sides of the temporary support frame body 1 opposite to the first tooth plate 7, and the first tooth plate 7 is meshed with the first gear 9, and liftable roller mechanisms 10 are symmetrically provided on the outer sides of the columns 5 on both sides of the temporary support frame body 1, and the lower part of the roller mechanism 10 is meshed with the first gear 9 and driven to rise and fall by the first gear 9.

[0022] The roller mechanism 10 includes a Y-shaped bracket 11 and a roller 12 arranged on the upper part of the Y-shaped bracket 11 near the side of the column 5. A second tooth plate 13 is provided on the outer wall of the Y-shaped bracket 11. A pair of triangular brackets 14 are respectively provided on the outer sides of the temporary support frame body 1. A second gear 15 is rotatably provided below the second tooth plate 13 between the two triangular brackets 14. The second gear 15 is located above the first gear 9. The Y-shaped bracket 11 is tilted on the first gear 9 and the second gear 15, and the second tooth plate 13 is respectively meshed with the first gear 9 and the second gear 15.

[0023] A perforated channel steel 16 is horizontally provided on the upper part of the Y-shaped bracket 11 near the column 5. The roller 12 is arranged at one end of the perforated channel steel 16 near the column 5. The perforated channel steel 16 is connected by different holes to adjust the position of the perforated channel steel 16 on the Y-shaped bracket 11. The position of the roller 12 is adjusted by the length of the perforated channel steel 16 extending on the Y-shaped bracket 11. The roller 12 is a rubber roller 12.

[0024] A pair of fixing frames 17 are respectively provided on both sides of the temporary support frame body 1 above the tripod, and each fixing frame 17 is provided with a limiting roller 18. The two limiting rollers 18 on the same side of the temporary support frame body 1 are respectively close to the corresponding two sides of the Y-shaped bracket 11, which can prevent the lateral displacement of the Y-shaped bracket 11.

[0025] The temporary support 3 includes a spring support 19 arranged on the platform 2 and a hinge support 20 fixed on the top of the spring support 19 and hinged to the metal plate 4; a rubber block 21 is arranged on the top of the metal plate 4.

[0026] The spring mechanism 8 includes a first transverse plate 22 fixed on the temporary support frame body 1 and a second transverse plate 23 located above the first transverse plate 22 and having a column 5 fixed on the top. At least two springs 24 are provided between the first transverse plate 22 and the second transverse plate 23 .

[0027] When in use, the special-shaped steel box girder first falls onto the pallet 6, and the column 5 is pressed down by the weight of the steel box girder, and the column 5 moves vertically downward. The first tooth plate 7 on the column 5 drives the first gear 9 to rotate, and the first gear 9 drives the Y-shaped bracket 11 to move downward, thereby automatically locking the special-shaped steel box girder that is being dropped. At the same time, the metal plate 4 on the spring support 19 rotates according to the shape of the bottom plate of the special-shaped steel box girder to fit the bottom plate of the special-shaped steel box girder, so that the steel box girder is stably and accurately placed on the temporary bracket.

[0028] The utility model adopts the above structure to achieve the following beneficial effects: the utility model provides a temporary support frame for elliptical hollow steel box girder segments, which can rely on the weight of the steel box girder to press down the columns, drive the roller mechanism to automatically lock the special-shaped steel box girder segments, and assist in the positioning of the special-shaped steel box girder. At the same time, the metal plate hinged on the temporary support can rotate at an angle to fit the bottom plate of the special-shaped steel box girder, so that the steel box girder can be placed firmly and accurately on the temporary support. It can adapt to the special shape of the special-shaped steel box girder, ensure the support is stable, safe and reliable, improve construction efficiency, and is easy to install, disassemble and adjust, reducing construction costs, and is economical and practical.

[0029] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A temporary support frame for an elliptical hollow steel box girder segment, comprising a temporary support frame body and a platform arranged on the top of the temporary support frame body, wherein at least two rows of temporary supports are arranged on the platform, characterized in that: A metal plate is hingedly provided on the top of the temporary support, and a liftable column is respectively provided in the middle of the two rows of temporary supports on both sides of the platform. A tray for placing an elliptical hollow steel box girder segment is hingedly provided on the top of the column, and the middle part passes through the platform. A first tooth plate is provided on the outer wall of the lower part, and a spring mechanism fixed to the temporary support frame body is provided at the bottom. First gears are rotatably provided at both sides of the temporary support frame body opposite to the first tooth plate, and the first tooth plate is meshed with the first gear. Liftable roller mechanisms are symmetrically provided on the outer sides of the columns on both sides of the temporary support frame body, and the lower part of the roller mechanism is meshed with the first gear and driven to rise and fall by the first gear.

2. The temporary support frame for the elliptical hollow steel box beam segment according to claim 1, characterized in that: The roller mechanism includes a Y-shaped bracket and a roller arranged on the upper part of the Y-shaped bracket close to the side of the column. A second tooth plate is provided on the outer wall of the Y-shaped bracket, and a pair of triangular brackets are respectively provided on the outer sides of both sides of the temporary support frame body. A second gear is rotatably provided below the second tooth plate between the two triangular brackets. The second gear is located above the first gear. The Y-shaped bracket is tilted on the first gear and the second gear, and the second tooth plate is respectively meshed with the first gear and the second gear.

3. The temporary support frame for the elliptical hollow steel box beam segment according to claim 2, characterized in that: A perforated channel steel is horizontally arranged on the upper part of the Y-shaped bracket near the column, and the roller is arranged at one end of the perforated channel steel near the column. The perforated channel steel is connected by different holes to adjust the position of the perforated channel steel on the Y-shaped bracket.

4. The temporary support frame for the elliptical hollow steel box beam segment according to claim 3, characterized in that: The roller is a rubber roller.

5. The temporary support frame for the elliptical hollow steel box beam segment according to claim 2, characterized in that: A pair of fixing frames are respectively arranged on both sides of the temporary support frame body above the tripod, each fixing frame is provided with a limiting roller, and the two limiting rollers on the same side of the temporary support frame body are respectively close to the corresponding two sides of the Y-shaped bracket.

6. The temporary support frame for the elliptical hollow steel box beam segment according to claim 1, characterized in that: The temporary support comprises a spring support arranged on the platform and a hinge support fixed on the top of the spring support and hinged to the metal plate.

7. The temporary support frame for the elliptical hollow steel box beam segment according to claim 6, characterized in that: A rubber block is arranged on the top of the metal plate.

8. The temporary support frame for the elliptical hollow steel box beam segment according to claim 1, characterized in that: The spring mechanism comprises a first transverse plate fixed on the temporary support frame body and a second transverse plate located above the first transverse plate and having a column fixed on the top, and at least two springs are arranged between the first transverse plate and the second transverse plate.

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