CN214301300U - Adjustable bracket system for mounting steel box girder - Google Patents
Adjustable bracket system for mounting steel box girder Download PDFInfo
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- CN214301300U CN214301300U CN202023198925.1U CN202023198925U CN214301300U CN 214301300 U CN214301300 U CN 214301300U CN 202023198925 U CN202023198925 U CN 202023198925U CN 214301300 U CN214301300 U CN 214301300U
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Abstract
The utility model provides a steel box girder installation adjustable support system, mainly include the steel-pipe column, the bar basis, interim support system, interim anticollision frame, after the shaped steel crossbeam of the beam connection spare temporary connection steel-pipe column both sides that interim stake body includes, hang and draw to steel-pipe column top and fastening, through the three-dimensional jack with adjust the erectting of the supplementary steel box girder of support, the pier stud both sides set up interim anticollision frame guarantee both sides road safety, compare with prior art, can improve the precision that the steel box girder erect and reduce the support mounting degree of difficulty, the efficiency of construction has effectively been improved, quality and security.
Description
Technical Field
The utility model relates to a bridge construction field, in particular to steel case roof beam installation adjustable support system.
Background
Steel box girders, also called steel plate box girders, are common structural forms for large span bridges, and are generally used for bridges with larger span, and are called steel box girders because they are shaped like a box.
The traditional long-span steel box girder is often installed in a spanning mode by adopting a hoisting and dragging mode (called a 'hoisting and dragging method' for short), the hoisting and dragging method is that a pier stud is designed in a hoisting area, a steel pipe support is erected at the pier stud, a bailey frame is placed on the upper portion of the steel pipe support to realize the splicing and welding of the steel box girder, and after the steel box girder is welded and inspected, a dragging mechanism is used for dragging the steel box girder to move forwards to a designed position, fine adjustment is carried out on the steel box girder, the steel box girder falls down and is finally located.
However, the stability of the steel box girder installation depends on the pier stud support, and if the pier stud is impacted, a safety accident that the interlocked construction structure collapses is caused; in addition, the assumed precision of the existing steel box girder cannot be well controlled, and further the efficiency and the quality of construction are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a steel case roof beam installation adjustable support system has the construction installation factor of safety height, the installation with dismantle the simple and convenient, the high advantage of installation accuracy of process.
In order to realize the above purpose, this technical scheme provides an adjustable support of steel box girder installation, includes: the steel pipe column is vertically arranged on the strip foundation to form a temporary buttress, and the temporary anti-collision frames are arranged on two sides of the pier column; the temporary support system comprises a section steel cross beam, three-way jacks and an adjusting support, the section steel cross beam is vertically arranged on the top side of the steel pipe column, the three-way jacks and the adjusting support are arranged on the section steel cross beam, and the steel box girder is arranged on the three-way jacks and the adjusting support and used for adjusting the line shape.
Compared with the prior art, the technical scheme has the following characteristics and beneficial effects: temporary anti-collision frames are arranged on two sides of the pier stud, so that the safety of the construction process and roads on two sides of the construction is improved; the difficulty of assembling and disassembling the steel pipe column is reduced by arranging the regularized embedded part on the strip-shaped basis, the temporary support system is utilized to erect and install the steel box girder, and the linearity and the precision of the installation of the steel box girder are improved.
Drawings
Fig. 1 is the utility model discloses the whole sketch map of steel case roof beam installation adjustable support.
Fig. 2 is a schematic view of the adjustable temporary support system of the present invention.
Fig. 3 is a front plan view of the profile steel beam of the present invention.
Fig. 4 is the schematic view of the connection between the section steel beam and the steel pipe column of the present invention.
Fig. 5 is the linear support schematic diagram of adjusting of box girder of the utility model.
Fig. 6 is the utility model discloses interim anticollision frame schematic diagram.
In the figure: 1-steel pipe column; 2-a bar foundation; 3-forming the embedded part; 4-a section steel beam; 5-steel box girder; 6-temporary scaffold system; 7-three-way jack; 8-adjusting the support; 9-temporary anti-collision frame; 10-bolt; 11-beam connection; 12-arc steel; 13-oppositely pulling screw rods; 14-a nut; 15-bolt holes; 16-a riser; 17-an upper bracket; 18-lower support; 19-a rocker; 20-a supporting plate; 21-a steel pipe; 22-steel wire mesh; 23-a footing plate; 24-a footing bolt; 25-a rubber ring; 26-steel cable anchor rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Fig. 1 is an overall schematic view of the adjustable bracket for mounting a steel box girder of the utility model, which is used for mounting the steel box girder and comprises a steel pipe column (1), a bar-shaped foundation (2), a temporary bracket system (6) and a temporary anti-collision frame (9), wherein the steel pipe column (1) is vertically arranged on the bar-shaped foundation (2) to form a temporary buttress, and the temporary anti-collision frame (9) is arranged on two sides of the pier column; the temporary support system (6) comprises a section steel cross beam (4), three-way jacks (7) and an adjusting support (8), the section steel cross beam (4) is vertically arranged on the top side of the steel pipe column (1), the three-way jacks (7) and the adjusting support (8) are arranged on the section steel cross beam (4), and the steel box beam (5) is arranged on the three-way jacks (7) and the adjusting support (8) and is adjusted to be linear.
In the embodiment of the scheme, each temporary buttress comprises 4 steel pipe columns (1) arranged at four corners, and the two steel pipe columns (1) arranged at the same side are installed on the strip foundation (2). In order to reduce the difficulty of assembling and disassembling the steel pipe column, the strip foundation is provided with a shaped embedded part (3), the size and shape of the shaped embedded part (3) are matched with those of the steel pipe column (1), and the bottom of the steel pipe column (1) is connected to the shaped embedded part (3).
In some embodiments, the strip foundation (2) is a cast-in-place concrete foundation, the shaped embedded part (3) is a hollow steel sleeve with the bottom embedded in the strip foundation (2), the inner diameter of the shaped embedded part (3) is equal to the outer diameter of the steel pipe column (1), a coaxial bolt hole (15) is formed in the steel sleeve, and the steel upright column (1) is inserted into the shaped embedded part (3) and then fixed through a bolt (10).
Fig. 3 is the utility model discloses plan view before the shaped steel crossbeam is hung and is drawn, fig. 4 is the utility model discloses shaped steel crossbeam and steel-pipe column connection schematic diagram, as shown in the figure, shaped steel crossbeam (4) are passed through beam connection spare (11) temporary connection in the bottom of steel-pipe column (1), beam connection spare (11) are two semicircular arc steel (12), the one end and the shaped steel crossbeam (4) welding of arc steel (12), both ends welding has riser (16) of bolt hole (15), be provided with the bolt hole on riser (16), steel-pipe column (1) of every two arc steel (12) staple bolts, riser (16) of two arc steel (12) are connected with nut (14) through split screw rod (13).
Specifically, the bottom of the steel pipe column (1) is temporarily hooped but not fastened with a nut (14) through a split screw (13), and the profile steel beam (4) is fastened to the top of the steel pipe column (1) after being reversely pulled to the top of the steel pipe column (1) through a gourd chain.
Fig. 5 is the utility model discloses the linear support schematic diagram of adjusting of case roof beam, adjust support (8) and erect on shaped steel is horizontal (4), adjust support (8) and include lower carriage (18), upper bracket (17) and backup pad (20), lower carriage (18) are arranged in perpendicularly on shaped steel is horizontal (4), upper bracket (17) are arranged in on lower carriage (18) and relative lower carriage (18) activity sets up, backup pad (20) are violently laid on upper bracket (17).
Specifically, the inside jacking flange that is equipped with of lower carriage (18), on jacking flange was arranged in to upper bracket (17) activity cup joint on lower carriage (18) and bottom, jacking flange connection outside rocker (19) was in order to be adjusted the height, and lower carriage (18) inboard is equipped with the elevation scale.
Fig. 6 is the utility model discloses interim anticollision frame sketch map, in this scheme, interim anticollision frame (9) are "]" shape, include steel pipe (21), wire net (22) and rubber circle (25) as the support, two at least steel pipe (21) vertical fixation are on the basis, and wire net (22) are hung and are put on steel pipe (21), and rubber circle (25) cover is put at two steel pipe (21) tops.
In some embodiments, the bottom of the steel pipe (21) is connected with the foundation through 2 footing connecting plates (23), the footing connecting plates (23) are right-angle plates, one side of each footing connecting plate is welded with the steel pipe (21), and the other side of each footing connecting plate is fixed on the foundation through a footing bolt (24). The steel pipe (21) is provided with a plurality of lifting hooks, and the steel wire mesh (22) is temporarily connected and fixed on the steel pipe (21) at two sides through the lifting hooks. The top of the temporary anti-collision frame (9) is provided with a rubber ring (25) as a collision buffer device, and the inner side of the top of the anti-collision frame is connected through a steel rope anchor rod (26).
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, fall within the protection scope of the present invention.
Claims (10)
1. Steel case roof beam installation adjustable mounting system, its characterized in that includes:
the steel pipe column anti-collision device comprises a steel pipe column (1), a strip foundation (2), a temporary support system (6) and temporary anti-collision frames (9), wherein the steel pipe column (1) is vertically arranged on the strip foundation (2) to form a temporary buttress, and the temporary anti-collision frames (9) are arranged on two sides of the pier column; the temporary support system (6) comprises a section steel cross beam (4), three-way jacks (7) and an adjusting support (8), the section steel cross beam (4) is vertically arranged on the top side of the steel pipe column (1), the three-way jacks (7) and the adjusting support (8) are arranged on the section steel cross beam (4), and the steel box beam (5) is arranged on the three-way jacks (7) and the adjusting support (8) and used for adjusting the line shape.
2. The steel box girder installation adjustable bracket system according to claim 1, wherein a shaped embedded part (3) is arranged on the strip foundation, the size and shape of the shaped embedded part (3) are matched with those of the steel pipe column (1), and the bottom of the steel pipe column (1) is connected to the shaped embedded part (3).
3. The steel box girder installation adjustable bracket system according to claim 2, wherein the strip foundation (2) is a cast-in-place concrete foundation, the shaped embedded part (3) is a hollow steel sleeve with the bottom embedded in the strip foundation (2), the steel sleeve is provided with coaxial bolt holes (15), and the steel pipe column (1) is fixed through the bolts (10) after being inserted into the shaped embedded part (3).
4. The steel box girder installation adjustable bracket system according to claim 1, wherein the section steel beam (4) is connected at the bottom of the steel pipe column (1) through a beam connector (11).
5. The adjustable bracket system for mounting the steel box girder according to claim 4, wherein the beam connector (11) is composed of two semicircular arc-shaped steels (12), one end of each arc-shaped steel (12) is welded with the profile steel beam (4), the two ends of each arc-shaped steel are welded with vertical plates (16) with bolt holes (15), the vertical plates (16) are provided with the bolt holes, each two arc-shaped steels (12) hoop a steel pipe column (1), and the vertical plates (16) of the two arc-shaped steels (12) are connected with nuts (14) through opposite-pulling screws (13).
6. The steel box girder installation adjustable bracket system of claim 1, wherein the adjusting bracket (8) is erected on the section steel beam (4), the adjusting bracket (8) comprises a lower bracket (18), an upper bracket (17) and a supporting plate (20), the lower bracket (18) is vertically arranged on the section steel beam (4), the upper bracket (17) is arranged on the lower bracket (18) and movably arranged relative to the lower bracket (18), and the supporting plate (20) is transversely laid on the upper bracket (17).
7. The adjustable bracket system for mounting the steel box girder according to claim 6, wherein a jacking convex plate is arranged in the lower bracket (18), the upper bracket (17) is movably sleeved on the lower bracket (18) and the bottom of the upper bracket is arranged on the jacking convex plate, and the jacking convex plate is connected with an outer rocker (19).
8. The steel box girder installation adjustable bracket system of claim 6, wherein the lower bracket (18) is provided with an elevation scale on the inner side.
9. The steel box girder installation adjustable bracket system of claim 1, wherein the temporary anti-collision frame (9) comprises steel pipes (21) of a bracket, a steel wire mesh (22) and a rubber ring (25), at least two steel pipes (21) are vertically fixed on a foundation, the steel wire mesh (22) is hung on the steel pipes (21), and the rubber ring (25) is sleeved on the tops of the two steel pipes (21).
10. The steel box girder installation adjustable bracket system of claim 1, wherein the temporary anti-collision frame (9) is "]" -shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023198925.1U CN214301300U (en) | 2020-12-24 | 2020-12-24 | Adjustable bracket system for mounting steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023198925.1U CN214301300U (en) | 2020-12-24 | 2020-12-24 | Adjustable bracket system for mounting steel box girder |
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| Publication Number | Publication Date |
|---|---|
| CN214301300U true CN214301300U (en) | 2021-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023198925.1U Active CN214301300U (en) | 2020-12-24 | 2020-12-24 | Adjustable bracket system for mounting steel box girder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541269A (en) * | 2022-03-05 | 2022-05-27 | 南通市港闸市政工程有限公司 | Bridge jacking device and synchronous slope adjusting jacking method for continuous multi-span curved beam bridge |
-
2020
- 2020-12-24 CN CN202023198925.1U patent/CN214301300U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114541269A (en) * | 2022-03-05 | 2022-05-27 | 南通市港闸市政工程有限公司 | Bridge jacking device and synchronous slope adjusting jacking method for continuous multi-span curved beam bridge |
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