CN220394301U - Can dismantle interim braced system of regulation steel case roof beam - Google Patents
Can dismantle interim braced system of regulation steel case roof beam Download PDFInfo
- Publication number
- CN220394301U CN220394301U CN202321617840.3U CN202321617840U CN220394301U CN 220394301 U CN220394301 U CN 220394301U CN 202321617840 U CN202321617840 U CN 202321617840U CN 220394301 U CN220394301 U CN 220394301U
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- support
- frame
- box girder
- steel box
- temporary
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 51
- 239000010959 steel Substances 0.000 title claims abstract description 51
- 230000003014 reinforcing effect Effects 0.000 claims description 16
- 239000004568 cement Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 7
- 239000004567 concrete Substances 0.000 description 6
- 239000002131 composite material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model discloses a detachable and adjustable steel box girder temporary support system which comprises a temporary support system foundation, wherein a bottom support frame, a middle support frame and a top support frame are arranged on the upper surface of the temporary support system foundation, the bottom support frame, the middle support frame and the top support frame are detachably connected, two parallel transverse support beams are horizontally and transversely arranged at the top end of the top support frame, and a plurality of adjustable telescopic devices are sequentially and equidistantly arranged on the transverse support beams. According to the utility model, the steel box girder temporary support meeting the requirements can be quickly built according to the replacement of supporting frames with different heights.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and relates to a detachable and adjustable temporary steel box girder supporting system.
Background
In recent years, steel-concrete composite beams have been increasingly used in urban overpasses and building structures in China, and are developing toward a large span. The application practice of the steel-concrete composite beam in China shows that the steel-concrete composite beam has the advantages of a steel structure and a concrete structure, has obvious technical and economic benefits and social benefits, is suitable for the national conditions of basic construction in China, and is one of the main development directions of future structural systems.
The utility model provides a bulletin number is CN 112663501B, the name is "an upward-span existing line steel box girder structure and construction method", disclose an upward-span existing line steel box girder structure, including steel box girder, adjust steel cylinder, two I-steel pieces of piecing together, lattice support and pre-buried steel sheet that set gradually from the top down, adjust steel cylinder top and support steel box girder through steel cylinder backup pad, and adjust steel cylinder bottom and two I-steel pieces of piecing together and link firmly, can realize the altitude mixture control to steel box girder through adjusting the steel cylinder height, two I-steel pieces of piecing together butt are in lattice support top, lattice support bottom and pre-buried steel sheet pass through the connecting piece and fix, pre-buried steel sheet locates in the concrete foundation. The height of the structure is directly controlled by the support steel pipes, the support steel pipes are welded in a construction site, after the support is dismantled, when the height difference of the next steel box girder is larger and cannot be adjusted only by adjusting the steel cylinders, the support steel pipes with different heights must be manufactured again, because the steel girder structure is complex in shape, the construction period is compact, the construction operation surface is more, the transportation difficulty is large, the structure is complex and the manufacturing cost is higher by adopting the traditional temporary support system of the steel box girder, and the construction period is delayed.
Disclosure of Invention
The utility model aims to provide a detachable and adjustable temporary steel box girder supporting system, which solves the problems in the background technology.
The technical scheme includes that the detachable and adjustable steel box girder temporary supporting system comprises a temporary supporting system foundation, a bottom supporting frame, a middle supporting frame and a top supporting frame are arranged on the upper surface of the temporary supporting system foundation, the bottom supporting frame, the middle supporting frame and the top supporting frame are detachably connected, two parallel transverse supporting beams are horizontally and transversely arranged at the top end of the top supporting frame, and a plurality of adjustable telescopic devices are sequentially and equidistantly arranged on the transverse supporting beams.
The utility model is also characterized in that:
the bottom support frame comprises support stand columns, cross beams and inclined supports, wherein the two cross beams are parallel to each other, are arranged up and down, are fixedly connected to the outer walls of the support stand columns at two ends, are arranged in a crossed mode, are connected to the middle of each other, and are connected to the adjacent two support stand columns at two ends of each inclined support respectively and are located between the two cross beams.
The temporary support system is a rectangular block made of cement, and the thickness of the temporary support system is one tenth of the side length.
The top and bottom of the stand column are provided with reinforcing bases.
The reinforcing base is provided with bolt holes at intervals, and bolts are arranged in the bolt holes.
The bottom supporting frame is used for connecting the reinforcing base at the bottom end with the temporary supporting system foundation through bolts, two adjacent sections of supporting frames are connected at the reinforcing base position through bolts, and the top supporting frame is welded with the transverse supporting beam.
The beneficial effects of the utility model are as follows: through the temporary supporting system of the detachable adjustable steel box girder of this scheme design, play good supporting role to the adjustment stand of bridge major structure, simple to operate, the cost is lower, possesses higher economic benefits.
Drawings
FIG. 1 is a perspective view of a removable adjustable steel box girder temporary support system of the present utility model;
FIG. 2 is a block diagram of the bottom support frame of the temporary support system for a removable adjustable steel box girder of the present utility model;
fig. 3 is a front view of a removable adjustable steel box girder temporary support system of the present utility model.
In the figure, 1, a temporary support system foundation; 2. a bottom support frame; 3. a middle support frame; 4. a top support frame; 5. a cross support beam; 6. an adjustable telescoping device; 21. a support column; 22. a cross beam; 23. a diagonal support; 24. reinforcing the base; 25. and (5) a bolt.
Detailed Description
The utility model will be described in detail below with reference to the drawings and the detailed description.
Example 1
The utility model relates to a detachable and adjustable steel box girder temporary supporting system, which is shown in figure 1, and comprises a temporary supporting system foundation 1, wherein the upper surface of the temporary supporting system foundation 1 is provided with a bottom supporting frame 2, a middle supporting frame 3 and a top supporting frame 4, the bottom supporting frame 2, the middle supporting frame 3 and the top supporting frame 4 are detachably connected, the top end of the top supporting frame 4 is horizontally and transversely provided with two parallel transverse supporting beams 5, and a plurality of adjustable telescopic devices 6 are sequentially and equidistantly arranged on the transverse supporting beams 5.
The bottom support frame 2 comprises support upright posts 21, cross beams 22 and inclined supports 23, wherein the two cross beams 22 are parallel to each other, are arranged up and down, and are fixedly connected to the outer walls of the support upright posts 21 at two ends, the two inclined supports 23 are arranged in a crossing manner and are connected in the middle of each other, and the two ends of each inclined support 23 are respectively connected with the two adjacent support upright posts 21 and are positioned between the two cross beams 22.
The temporary support system foundation 1 is a rectangular block made of cement, and the thickness of the temporary support system foundation is one tenth of the side length.
The temporary support system foundation 1 adopts 3000mm of C30 cement concrete with the thickness not less than 300mm.
The support column 21 is a steel pipe column with the diameter of 325mm and the pipe wall thickness of 8 mm.
The cross beam 22 is a steel pipe column with a diameter of 250mm and a pipe wall thickness of 6 mm.
The diagonal braces 23 are 75 x 8 angle steel.
The cross support beam 5 is a section steel of H400×400×13×21.
The top and bottom ends of the stand column 21 are provided with reinforcing bases 24.
The reinforcing base 24 is provided with bolt holes at intervals in a ring shape, and bolts 25 are arranged in the bolt holes.
The bottom supporting frame 2 is connected with the temporary supporting system foundation 1 through bolts by the reinforcing base 24 at the bottom end, two adjacent sections of supporting frames are connected at the reinforcing base 24 through bolts 25, and the top supporting frame 4 is welded with the cross supporting beam 5.
The installation flow of the detachable and adjustable steel box girder temporary support system in the embodiment is as follows:
(1) Firstly, measuring and paying off, determining the accurate positioning of a temporary support system foundation, and installing the temporary support system foundation;
(2) Installing a bottom layer supporting frame, and connecting a reinforcing base at the lower part of the supporting frame with an embedded part in a temporary supporting system foundation through bolts;
(3) Installing an upper layer supporting frame, and connecting an upper layer supporting frame reinforcing base with a lower layer supporting frame reinforcing base through bolts;
(4) Repeating the step (3) until the elevation of the top of the bracket is close to the design bottom elevation of the bottom supporting position of the steel box girder;
(5) The transverse support with the adjustable telescopic device is connected with the top support frame through welding, and the bottom elevation of the steel box girder is ensured to be met through adjusting the telescopic device;
(6) Prepressing, ensuring the supporting strength and stability;
(7) And (5) checking and accepting, and putting the product into use after the product is qualified.
The embodiment has the advantages that: when the steel box girder temporary support is used, the steel box girder temporary support meeting the requirements can be quickly built according to the requirement of replacing support frames with different heights.
Claims (6)
1. Can dismantle interim braced system of regulation steel case roof beam, a serial communication port, including interim braced system basis (1), the upper surface of interim braced system basis (1) is provided with bottom sprag frame (2), middle part braced frame (3) and top braced frame (4), and bottom sprag frame (2), middle part braced frame (3) and top braced frame (4) can dismantle the connection, top braced frame (4) top level transversely is provided with two cross support beams (5) that are parallel to each other, the equidistance is provided with a plurality of adjustable telescoping devices (6) on cross support beam (5) in proper order.
2. The detachable temporary supporting system for the steel box girder according to claim 1, wherein the bottom supporting frame (2) comprises a bracket upright post (21), a cross beam (22) and inclined supports (23), the two cross beams (22) are mutually parallel, are arranged up and down, and are fixedly connected with the outer wall of the bracket upright post (21), the two inclined supports (23) are arranged in a crossed mode, are connected with the middle parts of the two inclined supports, and the two ends of each inclined support (23) are respectively connected with the adjacent two bracket upright posts (21) and are positioned between the two cross beams (22).
3. A removable and adjustable steel box girder temporary support system according to claim 1, characterized in that the temporary support system foundation (1) is a rectangular block of cement material, the thickness of which is one tenth of the side length.
4. A removable and adjustable steel box girder temporary support system according to claim 2, characterized in that the top and bottom ends of the bracket uprights (21) are provided with reinforcing bases (24).
5. The temporary support system for the detachable adjustable steel box girder according to claim 4, wherein bolt holes are annularly arranged on the reinforcing base (24) at intervals, and bolts (25) are arranged in the bolt holes.
6. A removable and adjustable steel box girder temporary support system according to claim 5, characterized in that the bottom support frame (2) is connected with the temporary support system foundation (1) by bolts with the reinforcing base (24) at the bottom end, two adjacent sections of support frames are connected with the reinforcing base (24) by bolts (25), and the top support frame (4) is welded with the cross support beams (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617840.3U CN220394301U (en) | 2023-06-26 | 2023-06-26 | Can dismantle interim braced system of regulation steel case roof beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321617840.3U CN220394301U (en) | 2023-06-26 | 2023-06-26 | Can dismantle interim braced system of regulation steel case roof beam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220394301U true CN220394301U (en) | 2024-01-26 |
Family
ID=89597143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321617840.3U Active CN220394301U (en) | 2023-06-26 | 2023-06-26 | Can dismantle interim braced system of regulation steel case roof beam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220394301U (en) |
-
2023
- 2023-06-26 CN CN202321617840.3U patent/CN220394301U/en active Active
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