CN216920023U - Support for large cantilever bent cap construction - Google Patents
Support for large cantilever bent cap construction Download PDFInfo
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- CN216920023U CN216920023U CN202121090028.0U CN202121090028U CN216920023U CN 216920023 U CN216920023 U CN 216920023U CN 202121090028 U CN202121090028 U CN 202121090028U CN 216920023 U CN216920023 U CN 216920023U
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Abstract
The utility model discloses a support for large cantilever bent cap construction, which comprises a plurality of left four-tube lattice type stand columns, a plurality of right four-tube lattice type stand columns, a bracket, diagonal draw bars and bracket frames, wherein the bracket frames are arranged, the bracket frames are distributed and arranged on the front and rear side walls of two pier columns, the two pier columns are positioned on a bearing platform, the left four-tube lattice type stand columns and the right four-tube lattice type stand columns are respectively supported and fixed on the bracket frames of the two pier columns, and the bracket penetrates through the left four-tube lattice type stand columns and the right four-tube lattice type stand columns and is hung on the left four-tube lattice type stand columns and the right four-tube lattice type stand columns through the plurality of diagonal draw bars. The bracket is installed in a hanging mode, so that the basic treatment cost and the lower bracket erection cost are saved. The four-tube lattice of this patent comprises the multisection, demolishs comparatively portably, and the detachable section of top steel pipe lattice is wholly demolishd and is hung from, and it is also more portably demolishd the bottom, can improve and demolish the efficiency of construction.
Description
Technical Field
The utility model relates to the field of civil engineering, in particular to a support for large cantilever bent cap construction.
Background
The existing support for constructing the large cantilever bent cap generally adopts a construction mode of foundation, lower support and upper support, but the whole construction cost is high due to large foundation treatment capacity, high treatment cost and the like due to geology and other reasons. Meanwhile, when the bent cap is higher than the ground, the whole support is very high in erection height, poor in support stability and unsafe.
In addition, the existing support for constructing a part of large cantilever bent cap is inconvenient to disassemble and assemble, is limited by the space of a workbench when being disassembled, cannot be directly disassembled from top to bottom, has limited operation space for a truck crane, is inconvenient to disassemble a formwork and has lower disassembling construction efficiency. For example, the national intellectual property office discloses a patent document with publication number CN107165056A, which discloses an anti-overturning steel bar bracket for concrete pouring of a cantilever cover beam, comprising a bearing steel bar, an anti-overturning steel bar and a bracket, the unloading device comprises six parts, namely an unloading block, a support beam and a template system, steel bar holes for bearing steel bars and anti-overturning steel bars to pass through are prefabricated in two pier columns of the pier, at least 2 bearing steel bars are horizontally arranged along a longitudinal bridge, at least 1 anti-overturning steel bar is horizontally arranged along a transverse bridge, the bearing steel bars also pass through brackets to fix the brackets on the side surfaces of the two pier columns, main cross beams of the support beam are arranged above the brackets and supported by the unloading block arranged between the brackets and the main cross beams, tie beams of the support beam are arranged between the two main cross beams outside the two pier columns in pairs, the tie beams are attached to two sides of the two pier columns and are fixed on the main cross beams through bolts, and the anti-overturning steel bars pass through the corresponding two tie beams and are fixed between the two tie beams. The support system bears the weight through the bearing steel bar, and the anti-overturning steel bar and the main beam form an integral stress system through the tie beam, so that the overturning problem under the unfavorable conditions of unbalance loading and the like generated by concrete pouring is solved, and the support system is particularly suitable for the concrete cast-in-place construction when the bent cap cantilever is large; meanwhile, on the basis of achieving the purposes, the whole structure is simple, the cost is low, and the installation and the disassembly are convenient and fast. The anti-overturning steel bar is only one. In the scheme, only one anti-overturning steel bar is arranged, and if the bent cap cantilever is too large, a plurality of anti-overturning steel bars can be arranged in the transverse bridge direction. And a rubber plate is also inserted between the tie beam and the two piers. In this scheme, can guarantee that the support does not cause the damage to two pier stud surfaces. And a distribution beam of the support beam and a template system are also arranged on the main cross beam.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model aims to provide a bracket for the construction of a large cantilever capping beam. To solve one or more of the technical problems in the prior art and to provide at least one useful choice or creation.
In order to solve the technical problems, the technical scheme adopted by the utility model is as follows:
the utility model provides a support for big cantilever bent cap construction, includes left four-tube lattice stand, right four-tube lattice stand, bracket, diagonal member and bracket frame, the bracket is erect and is equipped with a plurality ofly, and a plurality of bracket frame distribution are installed on the front and back lateral wall of two piers, and two piers are located the cushion cap, and left four-tube lattice stand and right four-tube lattice stand support respectively to be fixed on the bracket frame of two piers, and the bracket passes from left four-tube lattice stand and right four-tube lattice stand to hoist on left four-tube lattice stand and right four-tube lattice stand through many diagonal members.
Furthermore, the left four-tube lattice type upright post and the right four-tube lattice type upright post are connected through a connecting beam.
Further, the bracket frame includes bracket crossbeam, bearing diagonal and pre-buried steel sheet, pre-buried steel sheet is pre-buried in the pier stud, the one end and the pre-buried steel sheet fixed connection of bracket crossbeam, and the other end supports the upper end of fixing at the bearing diagonal, the lower extreme and the pre-buried steel sheet fixed connection of bearing diagonal.
Further, the bracket includes a plurality of horizontal girders, the vertical girder more than two, I-shaped steel roof beam and flitch, and a plurality of horizontal girders are along the length direction interval distribution of the vertical girder more than two mutual parallels, and horizontal girder installs respectively on the bottom surface of the vertical girder more than two, and the I-shaped steel roof beam distributes on the top surface of the vertical girder more than two, and the flitch is laid on the I-shaped steel roof beam.
Furthermore, vertical girder comprises left side slope longeron section, middle horizontal longeron section and right side slope longeron section, and the right-hand member of left side slope longeron section and the left end of right side slope longeron section are connected with the both ends of middle horizontal longeron section respectively, and the left end of left side slope longeron section and the right-hand member of right side slope longeron section tilt up.
Further, the diagonal draw bar piece adopts a telescopic structure form.
Further, the left four-tube lattice type upright post and the right four-tube lattice type upright post have the same structure.
Furthermore, the left four-tube lattice type upright post and the right four-tube lattice type upright post are both mainly composed of D426 × 10mm steel tubes and D114 × 6mm steel tubes, wherein the D426 × 10mm steel tubes are used as main stress members of the left four-tube lattice type upright post and the right four-tube lattice type upright post, and the D114 × 6mm steel tubes are used as lacing bars of the left four-tube lattice type upright post and the right four-tube lattice type upright post.
Furthermore, the left four-tube lattice and the right four-tube lattice are divided into a plurality of sections, and the sections are fixedly connected through bolts.
The utility model has the beneficial effects that:
1. the bracket is installed in a hanging mode, so that the foundation treatment cost and the lower support erection cost are saved, and the foundation treatment difficulty or the whole support settlement caused by the foundation settlement due to geological reasons can be avoided.
2. When the bent cap is higher than the ground, the whole support is higher in erection height, the overall stability of the support is reduced, the support is difficult to erect, and the defects of high erection height and poor stability of the support are overcome through the design of the hanging device.
3. This patent support compares with current support, and cantilever end support can be directly from last down demolish the operation, does not receive work platform's restriction to the truck crane has bigger operating space, conveniently demolishs the mould.
4. The four-tube lattice of this patent comprises the multisection, demolishs comparatively portably, and the detachable section of top steel pipe lattice is wholly demolishd and is hung from, and it is also more portably demolishd the bottom, can improve and demolish the efficiency of construction.
Drawings
The utility model is further described with the aid of the accompanying drawings, in which the embodiments do not constitute any limitation, and for a person skilled in the art, without inventive effort, further drawings may be obtained from the following figures:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of the point B shown in FIG. 1;
fig. 4 is a schematic structural view of the longitudinal main beam shown in fig. 3.
In the figure: 1. a left four-tube lattice column; 2. a right four-tube lattice column; 3. a bracket; 4. a diagonal member; 5. A bracket rack; 6. pier studs; 7. connecting the cross beam; 8. a corbel beam; 9. obliquely supporting; 10. pre-burying a steel plate; 11. a transverse main beam; 12. a longitudinal main beam; 13. an I-beam; 14. wood block; 15. a left inclined stringer section; 16. a middle horizontal longitudinal beam section; 17. a right inclined stringer section; 18. a bearing platform; 19. big cantilever bent cap.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings and specific embodiments, and it is to be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper surface", "lower surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "forward", "reverse", "axial", "radial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the utility model.
As shown in fig. 1 and 2, a support for constructing a large cantilever capping beam comprises a left four-tube lattice type upright 1, a right four-tube lattice type upright 2, a bracket 3, a diagonal member 4 and a bracket frame 5, wherein the left four-tube lattice type upright and the right four-tube lattice type upright have the same structure. The left four-tube lattice type upright post and the right four-tube lattice type upright post are both mainly composed of D426 × 10mm steel tubes and D114 × 6mm steel tubes, wherein the D426 × 10mm steel tubes are used as main stress members of the left four-tube lattice type upright post and the right four-tube lattice type upright post, and the D114 × 6mm steel tubes are used as lacing bars of the left four-tube lattice type upright post and the right four-tube lattice type upright post. The bracket 5 is equipped with a plurality ofly, and a plurality of brackets 5 distribute and install on the front and back lateral wall of two pier stud 6, and two pier stud 6 support on cushion cap 18, and left side four tubes lattice stand 1 and right four tubes lattice stand 2 support respectively to be fixed on the bracket 5 of two pier stud 6, and bracket 3 is used for holding the big cantilever bent cap 19 of pouring construction, and bracket 3 passes in left side four tubes lattice stand 1 and the right four tubes lattice stand 2 to hoist on left side four tubes lattice stand 1 and right four tubes lattice stand 2 through many diagonal draw pieces 4. The bracket is installed in a hanging mode, so that the foundation treatment cost and the lower support erection cost are saved, and the foundation treatment difficulty or the whole support settlement caused by the foundation settlement due to geological reasons can be avoided.
The left four-tube lattice type upright post 1 and the right four-tube lattice type upright post 2 are connected through a connecting beam 7. Therefore, the left four-tube lattice type upright post and the right four-tube lattice type upright post form a whole, and the stability is improved.
In addition, the left four-tube lattice and the right four-tube lattice are divided into a plurality of sections, and the sections are fixedly connected through bolts. The four-tube lattice of this patent comprises the multisection, demolishs comparatively portably, and the detachable section of top steel pipe lattice is wholly demolishd and is hung from, and it is also more portably demolishd the bottom, can improve and demolish the efficiency of construction.
The diagonal draw bar piece adopts a telescopic structural form. The diagonal member adopts a telescopic structural form, and can adjust the installation angles of the left inclined longitudinal beam section 15 and the right inclined longitudinal beam section 17 of the longitudinal main beam 11 on the bracket.
The bracket rack 5 comprises a bracket beam 8, an inclined support 9 and a pre-buried steel plate 10, wherein the pre-buried steel plate 10 is pre-buried in the pier stud 6, one end of the bracket beam 8 is fixedly connected with the pre-buried steel plate 10, the other end of the bracket beam is fixedly supported at the upper end of the inclined support 9, and the lower end of the inclined support 9 is fixedly connected with the pre-buried steel plate 10.
As shown in fig. 3, the bracket 3 includes a plurality of transverse main beams 11, two or more longitudinal main beams 12, i-beams 13 and battens 14, the plurality of transverse main beams 11 are distributed at intervals along the length direction of the two or more longitudinal main beams 12 that are parallel to each other, the transverse main beams 11 are respectively installed on the bottom surfaces of the two or more longitudinal main beams 12, the i-beams 13 are distributed on the top surfaces of the two or more longitudinal main beams 12, and the battens 14 are laid on the i-beams 13.
As shown in fig. 4, the longitudinal main beam 11 is composed of a left inclined longitudinal beam section 15, a middle horizontal longitudinal beam section 16 and a right inclined longitudinal beam section 17, the right end of the left inclined longitudinal beam section 15 and the left end of the right inclined longitudinal beam section 17 are respectively connected with the two ends of the middle horizontal longitudinal beam section 16, and the left end of the left inclined longitudinal beam section 15 and the right end of the right inclined longitudinal beam section 17 are inclined upward.
The construction and installation of the support are that, firstly, a left four-tube lattice type upright post and a right four-tube lattice type upright post are constructed by D426 × 10mm steel tubes and D114 × 6mm steel tubes, the left four-tube lattice type upright post and the right four-tube lattice type upright post are composed of a plurality of sections, and the sections are connected with one another through flanges; pre-burying steel plates of a bracket frame on the front side and the rear side of two pier studs to be poured according to the plane size of the lattice, after the pier studs are poured, fixedly connecting one end of a bracket cross beam in the bracket frame with the pre-buried steel plates, supporting and fixing the other end of the bracket cross beam at the upper end of an inclined support, and fixedly connecting the lower end of the inclined support with the pre-buried steel plates; hoisting the left four-tube lattice type stand column and the right four-tube lattice type stand column onto a bracket cross beam of the bracket frame by using a truck crane; connecting the left four-tube lattice type upright column and the right four-tube lattice type upright column together by using a connecting beam; therefore, the left four-tube lattice type upright post and the right four-tube lattice type upright post form a whole, and the stability is improved. Connecting two ends of half of the transverse main beams in the bracket with the left four-tube lattice type upright post through diagonal members, and connecting two ends of the other half of the transverse main beams in the bracket with the right four-tube lattice type upright post through diagonal members; the two ends of the diagonal member are hinged with the left and right four-tube lattice type upright posts and the transverse main beam; hoisting more than two longitudinal main beams to the transverse main beam and fixedly connecting the transverse main beams to ensure that the transverse main beams are distributed at intervals along the length direction of the more than two longitudinal main beams which are parallel to each other; more than two longitudinal main beams are supported by a plurality of transverse main beams. And (3) paving the I-shaped steel beams on the top surfaces of the two longitudinal main beams, and paving the battens on the I-shaped steel beams to finish the construction of the support.
Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. The utility model provides a support that is used for big cantilever bent cap construction which characterized in that: including left four-tube lattice stand, right four-tube lattice stand, bracket, diagonal member and bracket frame, the bracket frame is equipped with a plurality ofly, and a plurality of bracket frame distributes and installs on the lateral wall around two piers, and two piers are located the cushion cap, and left four-tube lattice stand and right four-tube lattice stand support respectively and fix on the bracket frame of two piers, and the bracket passes from left four-tube lattice stand and right four-tube lattice stand to hoist on left four-tube lattice stand and right four-tube lattice stand through many diagonal members.
2. The support for large cantilever capping beam construction according to claim 1, wherein: the left four-tube lattice type upright post and the right four-tube lattice type upright post are connected through a connecting beam.
3. The support for large cantilever capping beam construction according to claim 1, wherein: the bracket frame comprises a bracket beam, an inclined support and a pre-buried steel plate, the pre-buried steel plate is pre-buried in the pier stud, one end of the bracket beam is fixedly connected with the pre-buried steel plate, the other end of the bracket beam is supported and fixed at the upper end of the inclined support, and the lower end of the inclined support is fixedly connected with the pre-buried steel plate.
4. The support for large cantilever capping beam construction according to claim 1, wherein: the bracket comprises a plurality of transverse girders, more than two longitudinal girders, I-shaped steel beams and battens, wherein the transverse girders are distributed along the length directions of the two longitudinal girders which are parallel to each other at intervals, the transverse girders are respectively installed on the bottom surfaces of the more than two longitudinal girders, the I-shaped steel beams are distributed on the top surfaces of the more than two longitudinal girders, and the battens are laid on the I-shaped steel beams.
5. The support for large cantilever capping beam construction according to claim 4, wherein: the longitudinal main beam is composed of a left inclined longitudinal beam section, a middle horizontal longitudinal beam section and a right inclined longitudinal beam section, the right end of the left inclined longitudinal beam section and the left end of the right inclined longitudinal beam section are respectively connected with the two ends of the middle horizontal longitudinal beam section, and the left end of the left inclined longitudinal beam section and the right end of the right inclined longitudinal beam section are inclined upwards.
6. The support for large cantilever capping beam construction according to claim 1, wherein: the diagonal draw bar piece adopts a telescopic structural form.
7. The support for large cantilever capping beam construction according to claim 1, wherein: the left four-tube lattice type upright post and the right four-tube lattice type upright post have the same structure.
8. The support for large cantilever capping beam construction according to claim 7, wherein: the left four-tube lattice type upright post and the right four-tube lattice type upright post are both mainly composed of D426 × 10mm steel tubes and D114 × 6mm steel tubes, wherein the D426 × 10mm steel tubes are used as main stress members of the left four-tube lattice type upright post and the right four-tube lattice type upright post, and the D114 × 6mm steel tubes are used as lacing bars of the left four-tube lattice type upright post and the right four-tube lattice type upright post.
9. The support for large cantilever capping beam construction according to claim 7, wherein: the left four-tube lattice and the right four-tube lattice are divided into a plurality of sections, and the sections are fixedly connected through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121090028.0U CN216920023U (en) | 2021-05-20 | 2021-05-20 | Support for large cantilever bent cap construction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121090028.0U CN216920023U (en) | 2021-05-20 | 2021-05-20 | Support for large cantilever bent cap construction |
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| CN216920023U true CN216920023U (en) | 2022-07-08 |
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| CN202121090028.0U Active CN216920023U (en) | 2021-05-20 | 2021-05-20 | Support for large cantilever bent cap construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265950A (en) * | 2021-05-20 | 2021-08-17 | 广东省水利水电第三工程局有限公司 | Support for large cantilever bent cap construction and construction method thereof |
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2021
- 2021-05-20 CN CN202121090028.0U patent/CN216920023U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113265950A (en) * | 2021-05-20 | 2021-08-17 | 广东省水利水电第三工程局有限公司 | Support for large cantilever bent cap construction and construction method thereof |
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