CN210712577U - Temporary support for mounting of arch continuous steel box girder - Google Patents
Temporary support for mounting of arch continuous steel box girder Download PDFInfo
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- CN210712577U CN210712577U CN201921632226.8U CN201921632226U CN210712577U CN 210712577 U CN210712577 U CN 210712577U CN 201921632226 U CN201921632226 U CN 201921632226U CN 210712577 U CN210712577 U CN 210712577U
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- support
- box girder
- distribution beam
- steel box
- temporary support
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Abstract
The utility model belongs to the technical field of bridge construction and specifically relates to a temporary support for encircleing installation of continuous steel case roof beam, including the support body, the built-in fitting welding of chord member roof department on support body and the main ring arch, the support body includes distribution beam and landing leg, is provided with stop device and buttress on the distribution beam, and the landing leg setting is provided with the strengthening support in the below of distribution beam between landing leg and the distribution beam. The utility model discloses a simple structural design utilizes the stability of steel construction to provide firm temporary support system for assembling of steel box girder, erects simultaneously and encircles and go up temporary support and can provide construction platform for assembling of steel box girder, improves work efficiency.
Description
Technical Field
The utility model belongs to the technical field of bridge construction and specifically relates to a temporary support for encircleing continuous steel box girder installation.
Background
In the bridge construction, the erection of steel box girder usually need carry out local support to some node positions, and traditional scaffold frame has been unable to satisfy the needs of steel box girder construction, because the span of continuous steel box girder is big, and traditional support frame length is fixed, makes the support frame set up the back and adjusts the difficulty in the construction of steel box girder.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a stability is strong, the high interim support that is used for encircleing continuous steel case roof beam installation of security.
The utility model adopts the following technical scheme:
the temporary support comprises a support body, wherein the support body is welded with an embedded part at the top plate of an upper chord of a main arch ring, the support body comprises a distribution beam and supporting legs, a limiting device and a buttress are arranged on the distribution beam, the supporting legs are arranged below the distribution beam, and a reinforcing support is arranged between the supporting legs and the distribution beam.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model can reduce the span between the upright posts, and increase the stability of the whole frame body by arranging the center of the steel box girder at the midspan position; the support body is welded and fixed with the embedded part at the top plate of the upper chord of the main arch ring through the lower ends of the supporting legs, and the supporting legs are connected into a whole through the supporting rods, so that the stability of the lower part of the support body is ensured; be provided with the stop device who is used for fixed steel box girder on the distribution roof beam, play interim fixed action when assembling to the steel box girder, can effectively prevent the slip of steel box girder.
The utility model discloses a simple structural design utilizes the stability of steel construction to provide firm temporary support system for assembling of steel box girder, erects simultaneously and encircles and go up temporary support and can provide construction platform for assembling of steel box girder, improves work efficiency.
Further, the utility model discloses a preferred scheme is:
the distribution beam is symmetrically provided with two groups of limiting devices, each group of limiting devices respectively comprises a left limiting device and a right limiting device, two groups of buttress groups are symmetrically arranged between the left limiting device and the right limiting device of the same group, and each group of buttress group comprises two buttresses.
The support body is provided with two rows, and the two rows of support bodies are connected through the stay bars.
Two groups of supporting legs are symmetrically arranged at two ends of each support body, two supporting legs are arranged in each group, and the supporting legs in the same group are connected through supporting rods.
The distribution beam is of a box-type structure.
Drawings
Fig. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a view A-A of FIG. 1;
FIG. 3 is a view B-B of FIG. 2;
FIG. 4 is a schematic view of the connection between the steel box girder and the present invention;
in the figure: a top plate 1 of the upper chord of the main arch ring; a support leg 2; a distribution beam 3; a left limit 4; a right limit 5; a buttress 6; a reinforcing brace 7; a stay bar 8; an embedded part 9; a left box girder 10; a right box girder 11; a left cabinet 12; and a right cabinet 13.
Detailed Description
The invention is further described with reference to the following figures and specific embodiments.
Referring to the drawings:
the utility model provides a temporary support for encircleing installation of continuous steel box girder, includes the support body, and the support body comprises distribution beam 3 and landing leg 2, and distribution beam 3 is the box structure, and as shown in figure 2, the symmetry is provided with two sets of stop device on the distribution beam 3, and every stop device of group comprises left spacing 4 and right spacing 5 respectively, and the symmetry is provided with two sets of buttress groups between same set of left spacing 4 and the right spacing 5, and every buttress of group respectively is provided with two buttress 6.
As shown in fig. 2, two sets of leg sets are symmetrically arranged at the left end and the right end of the distribution beam 3, each leg set is provided with two legs 2, the legs 2 in the same group are connected through a stay bar 8, the bottom end of each leg 2 is fixedly welded with an embedded part 9 at the top plate 1 of the upper chord of the main arch, and the top end of each leg 2 is fixedly welded with the bottom of the distribution beam 3.
A reinforcing support 7 for reinforcing is arranged between the support leg 2 and the distribution beam 3, which are close to the inner side of each support leg group, and the reinforcing support 7 is 40d, so that the stability of the support body is enhanced.
During installation of the embodiment, the first row of support bodies are hoisted to the top plate 1 of the upper chord of the main arch ring through the cable crane, then the support legs 2 of the first row of support bodies are welded with the embedded parts 9 embedded at the top plate 1 of the upper chord of the main arch ring, then the second row of support bodies are hoisted to the top plate 1 of the upper chord of the main arch ring, and the support legs 2 of the second row of support bodies are welded and fixed with the embedded parts 9 embedded at the top plate 1 of the upper chord of the main arch ring; after the two rows of support bodies are respectively fixed with the embedded parts 9, the support legs 2 between the two rows of support bodies are respectively connected through the support rods 8, and the two distribution beams 3 are also connected through the support rods 8.
The steel box girder consists of a left box girder 10 and a right box girder 11 which are symmetrically arranged, each box girder consists of a left box chamber 12 and a right box chamber 13 respectively, as shown in fig. 4, the left box chamber 12 and the right box chamber 13 for hoisting the left box girder 10 are respectively and correspondingly placed on the two buttress groups at the left end of the bracket body, the left box chamber 12 and the right box chamber 13 for hoisting the right box girder 11 are respectively and correspondingly placed on the two buttress groups at the right end of the bracket body, then the left box chamber 12 and the right box chamber 13 of the left box girder 10 are connected by bolting welding, the left box chamber 12 and the right box chamber 13 of the right box girder 11 are connected by bolting welding into a whole, and then adjusting the height of the steel box girder according to the construction requirements of the bridge, respectively adding a left limit and a right limit on the left side and the right side of the left box girder 10 and the right side of the right box girder 11, temporarily fixing the steel box girder by the left limit 4 and the right limit 5, and hoisting the next section of steel box girder to start assembling.
The temporary support of the all-steel structure adopted in the embodiment reduces the span between the upright posts, and the support body is symmetrically arranged at the center of the steel box girder at the midspan position, so that the stability of the whole support is enhanced; all the inner side legs 2 adopt steel pipes with the specification of phi 610mm multiplied by 14mm, the outer side legs 2 adopt steel pipes with the specification of phi 420mm multiplied by 8mm, and the four legs 2 at the two ends of the two rows of distribution beams 3 are connected into a whole by the support rods 8 so as to ensure the stability of the lower part of the temporary support body; the 3 upper ends of distribution beam are provided with buttress 6 such as eight height side by side and are used for placing the steel case roof beam, according to the construction requirement, can increase the height of backing plate adjustment steel case roof beam on buttress 6 top, then increase stop device in the both sides of steel case roof beam to prevent that the steel case roof beam from sliding because of the load appears, guarantee the convenience of adjustment when the steel case roof beam is assembled and to the interim fixed of steel case roof beam.
The above is only the concrete implementation manner of the present invention, but the protection of the present invention is not limited thereto, and all the equivalent changes or replacements proposed to the technical features of the present technical solution, which can be considered by those skilled in the art, are covered within the protection scope of the present invention.
Claims (5)
1. The utility model provides a temporary support for encircleing installation of continuous steel box girder, includes the support body, the built-in fitting welding of chord member roof department on support body and the main arch ring, its characterized in that: the support body comprises a distribution beam and supporting legs, a limiting device and a buttress are arranged on the distribution beam, the supporting legs are arranged below the distribution beam, and a reinforcing support is arranged between the supporting legs and the distribution beam.
2. A temporary support for the installation of a continuous steel box girder on an arch according to claim 1, wherein: the distribution beam is symmetrically provided with two groups of limiting devices, each group of limiting devices respectively comprises a left limiting device and a right limiting device, two groups of buttress groups are symmetrically arranged between the left limiting device and the right limiting device of the same group, and each group of buttress group comprises two buttresses.
3. A temporary support for the installation of a continuous steel box girder on an arch according to claim 1, wherein: the support body is provided with two rows, and the two rows of support bodies are connected through the stay bars.
4. A temporary support for the installation of a continuous steel box girder on an arch according to claim 1, wherein: two groups of supporting legs are symmetrically arranged at two ends of each support body, two supporting legs are arranged in each group, and the supporting legs in the same group are connected through supporting rods.
5. A temporary support for the installation of a continuous steel box girder on an arch according to claim 1, wherein: the distribution beam is of a box-type structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921632226.8U CN210712577U (en) | 2019-09-28 | 2019-09-28 | Temporary support for mounting of arch continuous steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921632226.8U CN210712577U (en) | 2019-09-28 | 2019-09-28 | Temporary support for mounting of arch continuous steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210712577U true CN210712577U (en) | 2020-06-09 |
Family
ID=70929242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921632226.8U Active CN210712577U (en) | 2019-09-28 | 2019-09-28 | Temporary support for mounting of arch continuous steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210712577U (en) |
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2019
- 2019-09-28 CN CN201921632226.8U patent/CN210712577U/en active Active
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