CN219430542U - Adjustable water bracket for installing steel box girder - Google Patents
Adjustable water bracket for installing steel box girder Download PDFInfo
- Publication number
- CN219430542U CN219430542U CN202320257428.9U CN202320257428U CN219430542U CN 219430542 U CN219430542 U CN 219430542U CN 202320257428 U CN202320257428 U CN 202320257428U CN 219430542 U CN219430542 U CN 219430542U
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- CN
- China
- Prior art keywords
- box girder
- steel
- steel box
- portal frame
- rail
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 76
- 239000010959 steel Substances 0.000 title claims abstract description 76
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model relates to an adjustable water bracket for installing a steel box girder, which comprises a temporary buttress, wherein the temporary buttress comprises a supporting upright post, a section steel beam, a portal frame and a travelling rail; the support upright posts are used for supporting the section steel cross beams, and the portal frames are fixedly arranged on the section steel cross beams; the end part of the walking rail is provided with a trolley walking driving mechanism, and the trolley walking driving mechanism drives the walking rail to longitudinally move on the portal frame; the travelling rail is provided with a mobile electric hoist crane which transversely moves on the travelling rail and is used for suspending the steel box girder; according to the scheme, the adjusting bracket is additionally arranged on the basis of the traditional water bracket, so that the two ends of the steel box girder can be finely adjusted, and the planeness and the angle of the steel box girder in the girder falling process are controlled; the adjusting system can be prefabricated in a factory independently in advance, so that the installation difficulty is reduced; the operation control adopts a mechanical structure, reduces the operation danger of workers, and ensures that the beam falling process is more standard, safer and higher in precision.
Description
Technical Field
The utility model relates to an adjustable water bracket for installing a steel box girder, and belongs to the technical field of bridge foundation water construction.
Background
The water bracket is a temporary bracket erected for carrying out water construction of a bridge foundation, is used as one of temporary supporting structures in the bridge construction process, can provide platforms for connection between different sections of beams, provides stable support for the bridge hoisting process, and improves safety.
The general construction method of the traditional water bracket mainly comprises the following steps: 1. one lifting ship and one positioning pile flat plate excavator ship; 2. assembling the steel pipes to be designed in length, wherein the joint and the top and bottom are required to be reinforced; 3. the steel pipe is transported to a construction site by shipping and is placed in a place favorable for site construction; 4. piling by adopting a water jet method or a mode of firstly jetting water to lower a pile to a designed depth and then driving by using a vibration hammer; 5. after the design number of piles are driven, connecting the upper parts according to the drawing, and ensuring that the welding quality reaches level II; 6. after finishing, carrying out a pressure test, wherein sedimentation is not more than the corresponding standard; 7. and (3) paving profile steel with a longitudinal and transverse design specification on the steel pipe pile according to a drawing to form a firm bearing steel structure.
However, the existing water bracket only provides a supporting and platform function, does not play a role in detail adjustment in the girder falling stage in the hoisting process, but relies on personal horizontal experience of workers, and adjusts the plane and angle of the steel box girder in the girder falling process through the chain block.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide an adjustable water bracket for installing a steel box girder, which is suitable for a steel box girder hoisting and girder falling process, acts on two ends of each section of steel box girder and adjusts the plane upper displacement, angle and elevation of the two ends.
In order to achieve the above purpose, the utility model adopts the following technical scheme: an adjustable water bracket for installing a steel box girder comprises at least two groups of temporary buttresses, wherein each group of temporary buttresses comprises a supporting upright post, a section steel beam, a portal frame and a walking track; the support upright post is used for supporting the section steel beam, the section steel beam is fixed above the water surface, and the portal frame is fixedly arranged on the section steel beam; the end part of the travelling rail is provided with a trolley travelling driving mechanism, and the trolley travelling driving mechanism is matched with the portal frame to drive the travelling rail to longitudinally move on the portal frame; the travelling rail is provided with a movable electric hoist crane which transversely moves on the travelling rail and is used for suspending the steel box girder.
Preferably, the supporting column is composed of a plurality of steel pipe piles, a scissor supporting frame is arranged among the plurality of steel pipe piles, and the plurality of steel pipe piles are relatively fixed through the scissor supporting frame.
Preferably, each temporary buttress comprises two groups of support columns, and the two groups of support columns are respectively positioned at two ends of the profile steel cross beam; and the lower sides of the two ends of the section steel beam are provided with at least two layers of crisscross bearing steel structures, and the two ends of the section steel beam respectively fall on the two groups of support columns through the bearing steel structures.
Preferably, the portal frame is fixed at two ends of the section steel beam through a triangular support, and a longitudinal rail matched with the trolley travelling driving mechanism is arranged at the top of the portal frame.
Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:
according to the scheme of the utility model, the water bracket is designed for steel box girder installation engineering, and an adjusting bracket system consisting of profile steel is additionally arranged on the basis of the traditional water bracket, so that the two ends of the steel box girder can be finely adjusted, the flatness and angle of the steel box girder in the girder falling process are controlled, and the adjustment difficulty in the girder falling process of the steel box girder is reduced; the adjusting system can be prefabricated in a factory independently in advance, so that the installation difficulty is reduced; the operation control adopts a mechanical structure, so that the first-line operation risk of workers is greatly reduced, and the beam falling process is more standard, safer and higher in precision.
Drawings
The technical scheme of the utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of an adjustable water bracket for installing a steel box girder according to the present utility model;
fig. 2 is a schematic diagram of the mobile electric hoist crane according to the present utility model.
Detailed Description
The utility model will be described in further detail with reference to the accompanying drawings and specific examples.
As shown in figure 1, the adjustable water bracket for installing the steel box girder comprises at least two groups of temporary buttresses, wherein the temporary buttresses are arranged at the joint of each section of the steel box girder, and each group of temporary buttresses comprises a supporting upright column 1, a section steel cross beam 2, a portal frame 3 and a walking track 4.
The supporting column 1 is composed of a plurality of steel pipe piles, a scissor supporting frame 8 is arranged between the plurality of steel pipe piles, the scissor supporting frame 8 is arranged between the longitudinal steel pipe piles above the horizontal plane, and the plurality of steel pipe piles are relatively fixed through the scissor supporting frame 8.
Each temporary buttress comprises two groups of supporting upright posts 1, and the two groups of supporting upright posts 1 are respectively positioned at two ends of the profile steel beam 2; the support upright post 1 is used for supporting the section steel beam 2 and fixing the section steel beam 2 above the water surface; the two ends of the section steel beam 2 respectively fall on the two groups of support columns 1 through the bearing steel structures.
The portal frame 3 is fixed at the two ends of the profile steel beam 2 through a triangular support, a trolley traveling driving mechanism 5 and a longitudinal rail matched with the trolley traveling driving mechanism 5 are arranged at the top of the portal frame 3, the trolley traveling driving mechanism 5 is connected with the two ends of the traveling rail 4, and the trolley traveling driving mechanism 5 drives the traveling rail 4 to longitudinally move on the portal frame 3.
The travelling rail 4 is provided with a movable electric hoist crane 6, the movable electric hoist crane 6 transversely moves on the travelling rail 4, and the movable electric hoist crane 6 is used for suspending a steel box girder 7.
The two ends of the steel box girder 7 are hung by the movable electric hoist cranes 6 on the two groups of temporary buttresses, namely, the angle and the flatness of the steel box girder 7 can be finely adjusted by the transverse bridge direction and the longitudinal displacement of the trolley travelling driving mechanism 5 and the movable electric hoist cranes 6; the trolley traveling driving mechanism 5 and the mobile electric hoist crane 6 are both of the existing structure and are provided with a braking mechanism.
The support upright post 1, the section steel cross beam 2, the portal frame 3 and the walking track 4 can all adopt section steel, channel steel or I-steel, and the person skilled in the art can select according to the requirements of a construction site.
The above is only a specific application example of the present utility model, and does not limit the scope of the present utility model; all technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.
Claims (4)
1. An adjustable water bracket for steel box girder installation, its characterized in that: the temporary piers comprise at least two groups of temporary piers, wherein each group of temporary piers comprises a supporting upright post (1), a section steel beam (2), a portal frame (3) and a walking track (4); the support upright post (1) is used for supporting the section steel beam (2), the section steel beam (2) is fixed above the water surface, and the portal frame (3) is fixedly arranged on the section steel beam (2); the end part of the walking rail (4) is provided with a trolley walking driving mechanism (5), and the trolley walking driving mechanism (5) is matched with the portal frame (3) to drive the walking rail (4) to longitudinally move on the portal frame (3); the travelling rail (4) is provided with a mobile electric hoist crane (6), the mobile electric hoist crane (6) transversely moves on the travelling rail (4), and the mobile electric hoist crane (6) is used for suspending a steel box girder (7).
2. An adjustable water bracket for steel box girder installation as claimed in claim 1, wherein: the supporting column (1) is composed of a plurality of steel pipe piles, a scissor supporting frame (8) is arranged among the plurality of steel pipe piles, and the plurality of steel pipe piles are relatively fixed through the scissor supporting frame (8).
3. An adjustable water bracket for steel box girder installation according to claim 1 or 2, characterized in that: each temporary buttress comprises two groups of supporting columns (1), and the two groups of supporting columns (1) are respectively positioned at two ends of the profile steel cross beam (2); the two ends of the section steel beam (2) respectively fall on the two groups of support columns (1) through the bearing steel structures.
4. An adjustable water bracket for steel box girder installation as claimed in claim 1, wherein: the portal frame (3) is fixed at two ends of the profile steel cross beam (2) through a triangular support, and a longitudinal rail matched with the trolley travelling driving mechanism (5) is arranged at the top of the portal frame (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257428.9U CN219430542U (en) | 2023-02-20 | 2023-02-20 | Adjustable water bracket for installing steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320257428.9U CN219430542U (en) | 2023-02-20 | 2023-02-20 | Adjustable water bracket for installing steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219430542U true CN219430542U (en) | 2023-07-28 |
Family
ID=87338272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320257428.9U Active CN219430542U (en) | 2023-02-20 | 2023-02-20 | Adjustable water bracket for installing steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219430542U (en) |
-
2023
- 2023-02-20 CN CN202320257428.9U patent/CN219430542U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No.1, Nanhuan East Road, Suzhou City, Jiangsu Province Patentee after: Zhongyifeng (Suzhou) Urban Construction and Development Co.,Ltd. Address before: 215000 No.1, Nanhuan East Road, Suzhou City, Jiangsu Province Patentee before: SUZHOU ZHONGHENGTONG ROAD AND BRIDGE GROUP Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |