阅读说明：本技术 一种钢混组合梁桥面板支撑机构 (Bridge deck supporting mechanism for steel-concrete composite beam ) 是由 朱金涌 吕文达 吴炜 王晓鹏 李林 郭铮 林�源 王文博 崔建龙 张耀万 王杰 于 2021-01-09 设计创作，主要内容包括：本发明公开了一种钢混组合梁桥面板支撑机构,包括现浇桥面板,现浇桥面板的底部固定安装有开口型压型钢板,开口型压型钢板底部的一侧与钢梁斜腹板的顶部固定连接,开口型压型钢板中部的一侧固定连接有固定柱,固定柱的底部套接有软管,软管的一侧与钢丝绳的一端缠绕连接,钢丝绳的另一端与斜撑钢管的顶部缠绕连接,钢梁底板的顶端连接有斜撑架底纵梁,斜撑架底纵梁的一侧通过木工夹与斜撑钢管的底部连接,本发明一种钢混组合梁桥面板支撑机构,设置斜撑钢管、钢丝绳、木工夹和斜撑架底纵梁,使得整个支架系统没焊接,支架可拆卸,重复利用,工法施工速度快,悬臂处桥面板线性好,对钢箱梁无焊接点,不存在二次切割。(The invention discloses a steel-concrete composite beam bridge deck supporting mechanism, which comprises a cast-in-place bridge deck, wherein an open profiled steel sheet is fixedly installed at the bottom of the cast-in-place bridge deck, one side of the bottom of the open profiled steel sheet is fixedly connected with the top of a steel beam inclined web plate, one side of the middle part of the open profiled steel sheet is fixedly connected with a fixed column, the bottom of the fixed column is sleeved with a hose, one side of the hose is connected with one end of a steel wire rope in a winding manner, the other end of the steel wire rope is connected with the top of an inclined strut steel pipe in a winding manner, the top end of a steel beam bottom plate is connected with an inclined strut frame bottom longitudinal beam, and one side of the inclined strut frame bottom longitudinal beam is connected with the bottom of the inclined strut steel pipe through a woodworking clamp. The bridge deck plate at the cantilever is good in linearity, no welding point exists for the steel box girder, and secondary cutting does not exist.)

1. The utility model provides a steel-concrete composite beam decking supporting mechanism, includes cast-in-place decking (1), its characterized in that: an opening profiled steel sheet (2) is fixedly mounted at the bottom of the cast-in-place bridge deck slab (1), one side of the bottom of the opening profiled steel sheet (2) is fixedly connected with the top of a steel beam inclined web plate (3), the bottom of the steel beam inclined web plate (3) is fixedly connected with one side of the top of a steel beam base plate (4), the other side of the bottom of the opening profiled steel sheet (2) is fixedly connected with the top of a steel beam straight web plate (5), the bottom of the steel beam straight web plate (5) is fixedly connected with the other side of the top of the steel beam base plate (4), one side of the middle part of the opening profiled steel sheet (2) is fixedly connected with a fixed column (6), a hose (7) is sleeved at the bottom of the fixed column (6), one side of the hose (7) is connected with one end of a steel wire rope (8) in a winding manner, and the other end of the, the steel beam bottom plate is characterized in that the top end of the steel beam bottom plate (4) is connected with an inclined strut bottom longitudinal beam (10), a first rubber pad (11) is sleeved at the joint of the inclined strut bottom longitudinal beam (10) and the steel beam inclined web plate (3), and one side of the inclined strut bottom longitudinal beam (10) is connected with the bottom of an inclined strut steel pipe (9) through a woodworking clamp (12).

2. The supporting mechanism for a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: bracing steel pipe (9) formula as an organic whole is made, the diameter of bracing steel pipe (9) is 48mm, the diameter of hose (7) is 14mm, the diameter of wire rope (8) is 10 mm.

3. The supporting mechanism for a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: the clamping end of the carpenter clamp (12) is fixedly connected with a second rubber pad (13), the diameter of the first rubber pad (11) is 3mm, and the diameter of the second rubber pad (13) is 10 mm.

4. The supporting mechanism for a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: the middle part of the inclined strut steel pipe (9) is fixedly connected with a reinforcing cylinder (14), and the top part of the inclined strut steel pipe (9) is fixedly connected with a connecting ring (15).

5. The supporting mechanism for a bridge deck of a steel-concrete composite beam as claimed in claim 1, wherein: the top end of the inclined strut steel pipe (9) is in contact with one side of the bottom end of the open profiled steel plate (2), and the open profiled steel plate (2) is integrally made.

Technical Field

The invention relates to the field of steel-concrete composite beam bridges, in particular to a supporting mechanism for a steel-concrete composite beam bridge deck.

Background

The combined bridge is a combined structure bridge with a beam bridge span as a basic structure, and after more than two systems are overlapped, the counter force property of the whole structure is still the same as the characteristics of a beam loaded by a bending action. The bridge is characterized by heavy design calculation work, complex construction details and internal force. By adopting the group-nail precast slab continuous combined beam bridge, the secondary internal force of the structure and the tensile stress of the concrete caused by the shrinkage creep effect of the concrete can be greatly reduced. The bridge deck of the steel-concrete composite beam has two forms, one is prefabricated, the other is cast-in-place, and because the project has short construction period, if the project is prefabricated, the bridge deck can be erected after being prefabricated for six months according to the standard requirement, so the cast-in-place bridge deck is designed. When the cast-in-place bridge deck slab is constructed, the steel box girder base material diagonal bracing system is adopted, the construction speed is high, and the linearity of the bridge deck slab at the cantilever is good.

Traditional cast-in-place decking support system of steel box girder will weld, has the welding point on the steel box girder, harms steel box girder base metal, will carry out the secondary cutting after the construction is accomplished for the construction cycle is long, and it is very inconvenient to use.

Disclosure of Invention

The invention aims to provide a supporting mechanism for a bridge deck of a steel-concrete composite beam, which aims to solve the problems that the traditional support system for the cast-in-place bridge deck of the steel box beam, which is proposed in the background art, needs to be welded, a welding point is arranged on the steel box beam, the base material of the steel box beam is damaged, and secondary cutting needs to be carried out after construction is finished, so that the construction period is long, and the use is very inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: a steel-concrete composite beam bridge deck supporting mechanism comprises a cast-in-place bridge deck, wherein an open profiled steel sheet is fixedly mounted at the bottom of the cast-in-place bridge deck, one side of the bottom of the open profiled steel sheet is fixedly connected with the top of a steel beam inclined web, the bottom of the steel beam inclined web is fixedly connected with one side of the top of a steel beam base plate, the other side of the bottom of the open profiled steel sheet is fixedly connected with the top of a steel beam straight web, the bottom of the steel beam straight web is fixedly connected with the other side of the top of the steel beam base plate, one side of the middle part of the open profiled steel sheet is fixedly connected with a fixed column, the bottom of the fixed column is sleeved with a hose, one side of the hose is connected with one end of a steel wire rope in a winding manner, the other end of the steel wire rope is connected with the top of an inclined strut steel pipe in a winding manner, an inclined, one side of the diagonal brace bottom longitudinal beam is connected with the bottom of the diagonal brace steel pipe through a carpenter clamp.

As a preferable technical scheme of the invention, the inclined strut steel pipe is integrally manufactured, the diameter of the inclined strut steel pipe is 48mm, the diameter of the hose 7 is 14mm, and the diameter of the steel wire rope is 10 mm.

As a preferable technical scheme, a second rubber pad is fixedly connected with the clamping end of the woodworking clamp, the diameter of the first rubber pad is 3mm, and the diameter of the second rubber pad is 10 mm.

As a preferable technical scheme of the invention, the middle part of the inclined strut steel pipe is fixedly connected with a reinforcing cylinder, and the top part of the inclined strut steel pipe is fixedly connected with a connecting ring.

As a preferable technical scheme of the present invention, the top end of the diagonal steel pipe is in contact with one side of the bottom end of the open profiled steel sheet, and the open profiled steel sheet is integrally formed.

Compared with the prior art, the invention has the beneficial effects that:

the inclined strut steel pipe is arranged, the steel wire rope is arranged, the woodworking clamp and the inclined strut frame bottom longitudinal beam are arranged, the inclined strut frame bottom longitudinal beam and the inclined strut steel pipe are connected through the woodworking clamp, the bottom of the inclined strut steel pipe is limited and fixed, one side of the bottom of a cast-in-place bridge deck is connected with a steel wire rope and a fixing column for the inclined strut steel pipe, the whole support system is not welded, the support can be disassembled and reused, an inclined strut system without damage to a steel box girder base material is adopted, the construction speed of the construction method is high, the linearity of the bridge deck at a cantilever is good, no welding point exists for the steel box girder, no secondary cutting exists, the advantages are obvious compared with.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the present invention A;

fig. 3 is a structural view of the sprag steel pipe of the present invention.

In the figure: 1. casting a bridge deck in situ; 2. open-type profiled steel sheets; 3. a steel beam inclined web plate; 4. a steel beam bottom plate; 5. a steel beam straight web plate; 6. fixing a column; 7. a hose; 8. a wire rope; 9. bracing the steel pipe; 10. a diagonal strut bottom stringer; 11. a first rubber pad; 12. a carpenter clamp; 13. a second rubber pad; 14. a reinforcement cylinder; 15. and (7) connecting rings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the invention provides a steel-concrete composite beam bridge deck supporting mechanism, which comprises a cast-in-place bridge deck 1, wherein an open profiled steel sheet 2 is fixedly installed at the bottom of the cast-in-place bridge deck 1, one side of the bottom of the open profiled steel sheet 2 is fixedly connected with the top of a steel beam inclined web 3, the bottom of the steel beam inclined web 3 is fixedly connected with one side of the top of a steel beam base plate 4, the other side of the bottom of the open profiled steel sheet 2 is fixedly connected with the top of a steel beam straight web 5, the bottom of the steel beam straight web 5 is fixedly connected with the other side of the top of the steel beam base plate 4, one side of the middle part of the open profiled steel sheet 2 is fixedly connected with a fixed column 6, the bottom of the fixed column 6 is sleeved with a hose 7, one side of the hose 7 is connected with one end of a steel wire rope 8 in a winding manner, the first rubber pad 11 is sleeved at the joint of the inclined strut bottom longitudinal beam 10 and the steel beam inclined web plate 3, and one side of the inclined strut bottom longitudinal beam 10 is connected with the bottom of the inclined strut steel pipe 9 through the carpenter clamp 12.

Preferably, the inclined strut steel pipe 9 is made of an integrated type, the diameter of the inclined strut steel pipe 9 is 48mm, the diameter of the hose 7 is 14mm, and the diameter of the steel wire rope 8 is 10mm, and the hose 7 is not arranged and is used for being connected with the steel wire rope 8 to limit the inclined strut steel pipe 9.

Preferably, the clamping end of the carpenter's clamp 12 is fixedly connected with the second rubber pad 13, the diameter of the first rubber pad 11 is 3mm, the diameter of the second rubber pad 13 is 10mm, and the first rubber pad 11 and the second rubber pad 13 are arranged to improve the clamping tightness.

Preferably, the middle part of the inclined strut steel pipe 9 is fixedly connected with a reinforcing cylinder 14, the top part of the inclined strut steel pipe 9 is fixedly connected with a connecting ring 15, the reinforcing cylinder 14 is arranged to increase the strength of the inclined strut steel pipe 9, and the connecting ring 15 is arranged to facilitate the connection of the steel wire rope 8.

Preferably, the top end of the diagonal bracing steel pipe 9 is in contact with one side of the bottom end of the open profiled steel sheet 2, the open profiled steel sheet 2 is made into an integral type, and the diagonal bracing steel pipe 9 is arranged to support the bottom of the whole cast-in-place bridge deck 1.

When the supporting mechanism is used specifically, when a cast-in-place bridge deck 1 is supported, the inclined strut frame bottom longitudinal beam 10 is connected with the inclined strut steel pipe 9 through the small woodworking clamp 12, the bottom of the inclined strut steel pipe 9 is limited and fixed, one side of the bottom of the rear cast-in-place bridge deck 1 is connected with the inclined strut steel pipe 9 through the steel wire rope 8 and the hose 7 and the fixed column 6, an inclined strut structure is completed, the whole support system is not welded, the support can be detached and recycled, an inclined strut system without damage to a steel box girder base metal is adopted, the construction speed is high, the linearity of the bridge deck at a cantilever is good, no welding point is caused to the steel box girder, no secondary cutting is caused, and the use is very convenient.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.