CN217781768U - Temporary support structure for steel box girder - Google Patents
Temporary support structure for steel box girder Download PDFInfo
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- CN217781768U CN217781768U CN202222087229.6U CN202222087229U CN217781768U CN 217781768 U CN217781768 U CN 217781768U CN 202222087229 U CN202222087229 U CN 202222087229U CN 217781768 U CN217781768 U CN 217781768U
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- tower crane
- crane standard
- frame
- steel
- standard festival
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Abstract
The utility model provides a interim supporting structure of steel case roof beam, tower crane standard festival lower extreme is through the removable linking firmly in bottom connection frame and basis, and tower crane standard festival upper end is through linking steel plate and the removable fixed connection of top tie-beam that is used for carrying out the support to bridge steel case roof beam main part. The utility model discloses an optimize the supporting structure of bridge steel case roof beam, adopt the bottom link frame, top link beam and lower extreme pass through the bottom link frame and the removable interim supporting structure who links firmly the tower crane standard festival that links firmly with the top link beam removable through the connecting steel sheet of linking firmly of bottom link frame and basis, solved current interim support and set up slowly, problem with high costs, the design of bottom link frame, can avoid the damage that the tower crane standard festival caused to the tower crane standard festival when being connected with the basis, the setting of top link beam, can adjust supporting height and slope according to the bridge floor curve, guarantee the stability and the reliability of support, and can accelerate the construction and go on, improve the construction safety nature, practice thrift construction cost.
Description
Technical Field
The utility model belongs to the technical field of the steel construction, concretely relates to interim supporting structure of steel case roof beam.
Background
In the existing bridge steel box girder support construction and pushing construction, no matter a fixed support or a temporary support is supported by a steel pipe frame or a steel frame, no matter the steel pipe frame or the steel frame, the problems of large raw material collection and supply, large field manufacturing and installation difficulty are involved, one-time investment is large, cost is high, and the construction period is long, so that improvement is needed for solving the problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem: the utility model provides a steel box girder temporary support structure, through the supporting structure who optimizes bridge steel box girder, adopt the bottom connection frame, top connection beam and lower extreme pass through the bottom connection frame and the removable temporary support structure who links firmly and the tower crane standard festival that connecting steel sheet and the removable fixed connection of top connection beam are passed through to the upper end, it is slow to have solved current temporary support and have set up, problem with high costs, the design of bottom connection frame, can avoid the damage that tower crane standard festival caused to tower crane standard festival when tower crane standard festival is connected with the basis, the setting of top connection beam, can adjust supporting height and slope according to the bridge floor curve, guarantee the stability and the reliability of support, and can accelerate the construction and go on, construction safety is improved, and construction cost is saved.
The utility model adopts the technical proposal that: interim supporting structure of steel box girder, including bottom coupling frame, tower crane standard festival and top coupling beam, the tower crane standard festival lower extreme passes through the bottom coupling frame and links firmly with basic is removable, the tower crane standard festival upper end through connecting steel sheet with be used for carrying out the removable fixed connection of top coupling beam that supports to bridge steel box girder main part.
The tower crane standard joint comprises a bottom connecting frame, a tower crane standard joint and a tower crane standard joint, wherein the bottom connecting frame is a rectangular frame formed by welding four H-shaped steels, the lower end face of the bottom connecting frame is located on a foundation and fixedly connected with the foundation in a welding mode, and the lower end face of the tower crane standard joint is located on the upper end face of the bottom connecting frame and detachably fixedly connected with the bottom connecting frame through bolts.
Furthermore, the connecting steel plate is welded and fixed at the bottom of the top connecting beam, and the connecting steel plate is detachably fixed at the upper end of the tower crane standard knot through a bolt.
Furthermore, the top connecting beam adopts a variable cross-section box-type beam structure with one end higher than the other end, the bottom surface is a horizontal plane, and the top surface is a slope surface, and the gradient of the upper end surface of the top connecting beam is determined according to the change curve of the extension direction of the bridge steel box beam main body.
Compared with the prior art, the utility model advantage:
1. according to the technical scheme, by optimizing the support structure of the bridge steel box girder, the temporary support structure consisting of the tower crane standard knot is adopted, wherein the tower crane standard knot is detachably and fixedly connected with the foundation through the bottom connecting frame, the top connecting girder and the lower end of the tower crane standard knot is detachably and fixedly connected with the top connecting girder through the connecting steel plate, so that the problems of slow erection and high cost of the conventional temporary support are solved;
2. according to the technical scheme, the design of the bottom connecting frame can avoid damage to the standard section of the tower crane when the standard section of the tower crane is connected with the foundation, and the quality of the standard section of the tower crane is ensured;
3. according to the technical scheme, the top connecting beam is arranged, so that the supporting height and the gradient can be adjusted according to the curve of the bridge deck, and the stability and the reliability of the support are ensured;
4. this technical scheme simple structure, the modern design, simple to operate is swift, can accelerate the construction and go on, improves the construction security, practices thrift construction cost.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a left side view of the structure of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a sectional view taken along line B-B of fig. 1.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1-4 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 without creative work belong to the protection scope of the present invention.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the verb "to comprise a" does not exclude the presence of other, identical elements in a process, method, article or apparatus that comprises a stated element.
The temporary support structure of the steel box girder is shown in figures 1-4 and comprises a bottom connecting frame 1, a tower crane standard knot 2 and a top connecting beam 3, wherein the lower end of the tower crane standard knot 2 is detachably and fixedly connected with a foundation 5 through the bottom connecting frame 1, and the upper end of the tower crane standard knot 2 is detachably and fixedly connected with the top connecting beam 3 for supporting a bridge steel box girder main body 6 through a connecting steel plate 4; in the structure, by optimizing the support structure of the bridge steel box girder, a temporary support structure consisting of a bottom connecting frame 1, a top connecting beam 3 and a tower crane standard knot 2 of which the lower end is detachably and fixedly connected with a foundation 5 through the bottom connecting frame 1 and the upper end is detachably and fixedly connected with the top connecting beam 3 through a connecting steel plate 4 is adopted, and the problems of slow erection and high cost of the conventional temporary support are solved;
the specific structure of the bottom connecting frame 1 is as follows: the bottom connecting frame 1 is a rectangular frame formed by welding four H-shaped steels, the lower end face of the bottom connecting frame 1 is positioned on the foundation 5 and is fixedly connected with the foundation 5 in a welding way, and the lower end of the tower crane standard joint 2 is positioned on the upper end face of the bottom connecting frame 1 and is detachably and fixedly connected with the bottom connecting frame 1 through bolts; in the structure, the bottom connecting frame 1 is a compensation transition section and is respectively connected with the tower crane standard section 2 and the foundation 5, so that the damage to the tower crane standard section 2 when the tower crane standard section 2 is connected with the foundation 5 can be avoided, and the quality of the tower crane standard section 2 is ensured; the length of the bottom connecting frame 1 is determined according to the field condition, and the type is determined by checking calculation according to the weight of the steel box girder;
the connection structure of the connecting steel plate 4, the top connecting beam 3 and the tower crane standard knot 2 is as follows: and the connecting steel plate 4 is welded and fixed at the bottom of the top connecting beam 3, and the connecting steel plate 4 is detachably fixed at the upper end of the tower crane standard knot 2 through a bolt.
Be equipped with a plurality of top tie-beams 3 on the connection steel plate 4, and top tie-beam 3's concrete structure as follows: the top connecting beam 3 adopts a variable cross-section box-shaped beam structure with one end higher than the other end, the bottom surface of the top connecting beam is a horizontal plane, and the top surface of the top connecting beam is a slope surface, and the gradient of the upper end surface of the top connecting beam 3 is determined according to the change curve of the extension direction of the bridge steel box beam main body 6; in the structure, the top connecting beam 3 is arranged, so that the supporting height and the gradient can be adjusted according to the curve of the bridge deck, and the stability and the reliability of the support are ensured; the top connecting beam 3 is vertically fixed on the upper surface of the connecting steel plate 4 in a welding connection mode, the top connecting beam 3 adopts a variable cross-section box-shaped beam mode and is determined according to a change curve of the length extension direction of the bridge deck, and the selected plate thickness is determined by checking calculation according to the weight of the bearing steel box beam.
The tower crane standard knot 2 is fixed perpendicularly with bottom coupling frame 1 and connecting steel plate 4 through the bolted connection mode, and 2 models of tower crane standard knot that choose for use are confirmed through checking calculation according to the steel box girder weight of bearing, and 2 quantity of tower crane standard knot that choose for use are according to the high certainty of steel box girder, and 4 sizes of connecting steel plate that choose for use are according to the tower crane standard knot 2 that choose for use.
This technical scheme simple structure, the modern design, simple to operate is swift, can accelerate the construction and go on, improves the construction security, practices thrift construction cost.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (4)
1. Temporary supporting structure of steel box girder, its characterized in that: including bottom coupling frame (1), tower crane standard festival (2) and top tie-beam (3), tower crane standard festival (2) lower extreme is through bottom coupling frame (1) and the removable fixed connection of basis (5), tower crane standard festival (2) upper end through connecting plate (4) with be used for carrying out the removable fixed connection of top tie-beam (3) that support to bridge steel case roof beam main part (6).
2. The temporary support structure of the steel box girder according to claim 1, wherein: the tower crane standard joint is characterized in that the bottom connecting frame (1) is a rectangular frame formed by welding four H-shaped steels, the lower end face of the bottom connecting frame (1) is located on a foundation (5) and fixedly connected with the foundation (5) in a welding mode, and the lower end of the tower crane standard joint (2) is located on the upper end face of the bottom connecting frame (1) and detachably fixedly connected with the bottom connecting frame (1) through bolts.
3. The temporary support structure for steel box girders according to claim 1, characterized in that: and the connecting steel plate (4) is welded and fixed at the bottom of the top connecting beam (3), and the connecting steel plate (4) is detachably fixed at the upper end of the tower crane standard knot (2) through a bolt.
4. A steel box beam temporary support structure according to any one of claims 1 to 3, wherein: the top connecting beam (3) is of a variable cross-section box-shaped beam structure, one end of the variable cross-section box-shaped beam structure is higher than the other end of the variable cross-section box-shaped beam structure, the bottom surface of the variable cross-section box-shaped beam structure is a horizontal plane, and the top surface of the variable cross-section box-shaped beam structure is a slope surface, and the gradient of the upper end surface of the top connecting beam (3) is determined according to the change curve of the extension direction of the bridge steel box beam main body (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087229.6U CN217781768U (en) | 2022-08-09 | 2022-08-09 | Temporary support structure for steel box girder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222087229.6U CN217781768U (en) | 2022-08-09 | 2022-08-09 | Temporary support structure for steel box girder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217781768U true CN217781768U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222087229.6U Active CN217781768U (en) | 2022-08-09 | 2022-08-09 | Temporary support structure for steel box girder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217781768U (en) |
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2022
- 2022-08-09 CN CN202222087229.6U patent/CN217781768U/en active Active
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