阅读说明：本技术 一种用于桥体的连接件 (Connecting piece for bridge body ) 是由 闫永杰 薛明英 侯兆隆 曹建豪 白松 王亮 朱丹丹 卫小略 于 2019-10-28 设计创作，主要内容包括：本发明申请公开了一种用于桥体的连接件,包括横向扣合板,长边设有第一矩形槽口,短边设有卡固钢筋的固定槽口；纵向扣合板,长边设有第二矩形槽口,短边设有卡固钢筋的固定槽口；所述横向扣合板和所述所述纵向扣合板被设定为,整体均呈S型,所述第二矩形槽口与所述第一矩形槽口扣合后完全契合,两个所述横向扣合板和两个所述纵向拼合板共同围合成连接件,扣合部位通过焊接实现最终的加固连接。本发明申请解决了由于现有的波形钢腹板混凝土组合箱梁结构中的部分连接件刚度过大,造成的连接件造价高且不易焊机的技术问题。(The invention discloses a connecting piece for a bridge body, which comprises a transverse buckling plate, wherein the long side of the transverse buckling plate is provided with a first rectangular notch, and the short side of the transverse buckling plate is provided with a fixed notch for clamping and fixing a steel bar; the long side of the longitudinal buckling plate is provided with a second rectangular notch, and the short side of the longitudinal buckling plate is provided with a fixed notch for clamping and fixing the steel bar; the transverse buckling plates and the longitudinal buckling plates are set to be S-shaped integrally, the second rectangular notch is completely matched with the first rectangular notch after being buckled, the two transverse buckling plates and the two longitudinal splicing plates jointly enclose a connecting piece, and the buckling parts are welded to realize final reinforcing connection. The invention solves the technical problems that the connecting piece is high in manufacturing cost and difficult to weld due to the fact that part of the connecting pieces in the existing corrugated steel web concrete combined box girder structure is overlarge in rigidity.)

1. A connector for a bridge, comprising:

the long side of the transverse buckling plate is provided with a first rectangular notch, and the short side of the transverse buckling plate is provided with a fixed notch for clamping and fixing a steel bar;

the long side of the longitudinal buckling plate is provided with a second rectangular notch, and the short side of the longitudinal buckling plate is provided with a fixed notch for clamping and fixing the steel bar;

the transverse buckling plates and the longitudinal buckling plates are set to be S-shaped integrally, the second rectangular notch is completely matched with the first rectangular notch after being buckled, the two transverse buckling plates and the two longitudinal splicing plates jointly enclose a connecting piece, and the buckling parts are welded to realize final reinforcing connection.

2. The connector for a bridge according to claim 1, wherein the fastening notches of the transverse fastening plate and the longitudinal fastening plate are located at the middle of the short sides.

3. The connector for a bridge according to claim 1, wherein the fastening notches of the transverse fastening plates and/or the longitudinal fastening plates are plural.

4. The connector for bridge according to claim 3, wherein a plurality of said fastening notches are symmetrically disposed on the short sides of said transverse fastening plates and/or said longitudinal fastening plates.

5. A connection piece for a bridge according to any one of claims 1 to 4, wherein said fixing slot is a U-shaped slot.

6. The connector for a bridge according to claim 1, wherein the included angle between the transverse fastening plate and the longitudinal fastening plate is 90 °.

7. The connector for a bridge according to claim 1, wherein the transverse fastening plates and the longitudinal fastening plates are the same size.

Technical Field

The invention relates to the field of bridge construction, in particular to a connecting piece for a bridge body.

Background

In recent years, the corrugated steel web concrete composite box girder structure is applied more in a bridge structure, the structure is specifically arranged to be connected with a top bottom plate through a steel web, and a connecting part between steel and concrete is connected through a shear connecting piece, so that effective combination of the steel and the concrete is realized, external stress is jointly borne, and the stability of the whole structure is improved.

The traditional shear connecting piece comprises an inverted L-shaped shear connecting piece and a U-shaped groove shear connecting piece, and the problems of overlarge rigidity, high manufacturing cost and high construction difficulty exist in part of the section steel connecting pieces. The contact surface of the inverted L-shaped shear connector is too small, the bearing capacity is poor, the operation is not easy during welding, and the contact surface of the U-shaped groove shear connector is too large, so that the welding workload is large, the rigidity is too large, and brittle failure is easy to occur.

In view of the above problems, it is desirable to provide a shear connector which reduces the welding difficulty, has a more stable structure, and has better shear resistance.

Disclosure of Invention

The invention mainly aims to provide a connecting piece for a bridge body, and aims to solve the technical problems that the connecting piece is high in manufacturing cost and not easy to weld due to the fact that part of the connecting piece in the existing corrugated steel web concrete combined box girder structure is overlarge in rigidity.

In order to achieve the above object, a connection for a bridge is provided.

The connecting member for a bridge according to the present application comprises:

the long side of the transverse buckling plate is provided with a first rectangular notch, and the short side of the transverse buckling plate is provided with a fixed notch for clamping and fixing a steel bar;

the long side of the longitudinal buckling plate is provided with a second rectangular notch, and the short side of the longitudinal buckling plate is provided with a fixed notch for clamping and fixing the steel bar;

the transverse buckling plates and the longitudinal buckling plates are set to be S-shaped integrally, the second rectangular notch is completely matched with the first rectangular notch after being buckled, the two transverse buckling plates and the two longitudinal splicing plates jointly enclose a connecting piece, and the buckling parts are welded to realize final reinforcing connection.

Furthermore, the fixing notches of the transverse buckling plate and the longitudinal buckling plate are both positioned in the middle of the short sides.

Furthermore, the fixing notches of the transverse buckling plates and/or the longitudinal buckling plates are multiple.

Furthermore, a plurality of the fixing notches are symmetrically arranged on the short edges of the transverse buckling plate and/or the longitudinal buckling plate.

Furthermore, the fixed notch is a U-shaped notch.

Furthermore, the buckling included angle between the transverse buckling plate and the longitudinal buckling plate is 90 degrees.

Furthermore, the size of the transverse buckling plate is the same as that of the longitudinal buckling plate.

In the embodiment of the invention, the mode of changing the structure of the connecting piece is adopted, and the groined anti-shearing connecting piece is arranged in a buckling mode, so that the aims of reducing the integral rigidity of the connecting piece, reducing welding processes and improving the structural stability are fulfilled, the technical effects of facilitating the clamping of the reinforcing steel bar, facilitating the bearing of the shearing force, reducing the manufacturing cost of the connecting piece and reducing the process flow are achieved, and the technical problems that the manufacturing cost of the connecting piece is high and the welding machine is difficult to realize due to the fact that the rigidity of part of the connecting piece in the existing corrugated steel web concrete combined box girder structure is overlarge are solved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the invention and to make further features, objects, and advantages of the invention apparent. The drawings and their description illustrate exemplary embodiments of the invention and do not limit it inappropriately. In the drawings:

FIG. 1 is a schematic view of the structure of a transverse fastening plate and a longitudinal fastening plate of an embodiment of a connector for a bridge according to the present invention;

fig. 2 is a schematic view of the overall structure of an embodiment of a connecting member for a bridge according to the present invention.

Reference numerals

1: transversely buckling the plates; 2: a longitudinal buckling plate; 3: a first rectangular notch; 4: a fixed notch; 5: a second rectangular notch.

Detailed Description

In order to make the person skilled in the art better understand the application scheme of the present invention, the technical solutions in the embodiments of the present invention will be described clearly and completely 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, not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments in the present application, shall fall within the scope of protection of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present application are described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the drawings.

As shown in fig. 1 and 2, the present invention relates to a connecting member for a bridge body, which is mainly used for a corrugated steel web concrete composite box girder structure, and is provided as a structure setting for connecting reinforcing bars and buffering shearing force. The steel bar fixing device comprises a transverse buckling plate 1 and a longitudinal buckling plate 2, wherein the long side of the transverse buckling plate 1 is provided with a first rectangular notch 3, and the short side of the transverse buckling plate 1 is provided with a fixing notch 4 for fixing a steel bar in a clamping manner; the long side of the longitudinal buckling plate 2 is provided with a second rectangular notch 5, and the short side is provided with a fixed notch 4 for clamping and fixing a steel bar; the transverse buckling plate 1 and the longitudinal buckling plate 2 are set to be S-shaped as a whole, and the S-shaped structure is specifically that, as shown in fig. 1, the transverse buckling plate 1 comprises 2 first rectangular notches 3, and the first rectangular notches 3 are respectively positioned on the upper long edge and the lower long edge of the transverse buckling plate 1; the whole structure of the longitudinal buckling plate 2 is the same as that of the transverse buckling plate 1. In a preferred embodiment of the present invention, the second rectangular notch 5 is completely engaged with the first rectangular notch 3 after being fastened, i.e. the lateral fastening plate and the longitudinal fastening plate are at the same level at the lower edge and/or the upper edge of the fastening portion. And after the transverse buckling plate and the longitudinal buckling plate are buckled, welding the buckled parts to realize the final reinforced connection of the connecting piece, wherein the final shape of the connecting piece is in a whole shape like a Chinese character jing.

In the preferred embodiment of the present invention, the fixing notches 4 of the transverse fastening plate 1 and the longitudinal fastening plate 2 are located at the middle positions of the short sides, so that the positions of the reinforcing steel bars can be conveniently and standardizedly fixed in the use process, the transmission of structural force of the corrugated steel web concrete composite box girder adopting the connector is facilitated, and the stability of the whole structure is improved.

In a further preferred embodiment of the present application, the transverse fastening plate 1 and the longitudinal fastening plate 2 have the same size, and the fastening included angle between the transverse fastening plate 1 and the longitudinal fastening plate 2 is 90 °. The arrangement of the size and the installation angle of the structure provides convenience for subsequent standardized installation; in other embodiments of the present application, the sizes and fastening angles of the transverse fastening plate and the longitudinal fastening plate can be set according to specific site construction requirements. Furthermore, horizontal buckling plate 1 with 4U style of calligraphy notches in the fixed notch of vertical buckling plate 2 conveniently fix the reinforcing bar, reduce because of the shape settlement of fixed notch, lead to the reinforcing bar to receive extra stress in installation or subsequent use.

In the preferred embodiment of the present invention, the plurality of fastening notches 4 of the transverse fastening plate 1 and/or the longitudinal fastening plate 2 are symmetrically disposed on the short sides of the transverse fastening plate and/or the longitudinal fastening plate 2. Preferably, each short edge of the transverse buckling plate 1 and each short edge of the longitudinal buckling plate 2 are provided with 2 fixing notches 4, and the fixing notches 4 are symmetrically arranged on the short edges of the transverse buckling plate 1 and the longitudinal buckling plate 2. The setting of a plurality of fixed notches is convenient to fix and set the multilayer reinforcing bar, and simultaneously, the height of the single-layer reinforcing bar can be adjusted according to the construction condition on site and requirements.

In the embodiment of the invention, the mode of changing the structure of the connecting piece is adopted, and the groined anti-shearing connecting piece is arranged in a buckling mode, so that the aims of reducing the integral rigidity of the connecting piece, reducing welding processes and improving the structural stability are fulfilled, the technical effects of facilitating the clamping of the reinforcing steel bar, facilitating the bearing of the shearing force, reducing the manufacturing cost of the connecting piece and reducing the process flow are achieved, and the technical problems that the manufacturing cost of the connecting piece is high and the welding machine is difficult to realize due to the fact that the rigidity of part of the connecting piece in the existing corrugated steel web concrete combined box girder structure is overlarge are solved.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.