CN208039011U - A kind of steel structure bridge node connecting structure - Google Patents

Abstract

The utility model relates to a steel structure bridge node connection structure, comprising a transverse beam, a node body is arranged in the middle of the transverse beam, the node body includes a square block, and a first groove is arranged in the vertical direction of the square block, The square block is provided with a second groove in the horizontal direction, the bottom of the node body is connected to a vertical beam, and the top of the vertical beam is provided with a boss engaged with the first groove, and the left side of the node body is connected to the left support Beam, the end of the left support beam is provided with a connecting rod matching the second groove, the end of the connecting rod is provided with a wedge block, the right side of the node main body is connected to the right support beam, and the right support The end of the beam is provided with a wedge-shaped groove engaged with the wedge-shaped block. The node connection structure provided by the utility model requires fewer bolts to be installed, does not require welding work, is convenient to install, has high connection strength, and is reliable to connect.

Description

A steel structure bridge node connection structure

technical field

The utility model relates to the technical field of steel structure bridges, in particular to a node connection structure of steel structure bridges.

Background technique

With the continuous development of urban infrastructure construction, the construction scale of roads and bridges continues to expand, and steel structure bridges have been widely used due to their short construction period and strong adaptability to various complex environments. The steel structure bridge mainly adopts various types of steel to be connected by bolts or welding to form the main body of the steel structure bridge. The joint form of each section steel at the connection has an important impact on the stress state and safety of the steel structure bridge. For the joint form of bolt connection, there are too many bolt installation holes at the joint, which may easily cause the strength of the steel section to be reduced due to the processing of too many installation holes; for the joint form of welding connection, multiple welds meet at At the node, it is easy to cause stress concentration, which will be unfavorable and effective to the stress state at the node, reduce the connection strength at the node, and affect the service life of the steel structure bridge.

Utility model content

The purpose of the utility model is to provide a node connection structure with convenient installation in order to solve the deficiency of the node connection structure in the existing steel structure bridge.

In order to achieve the above object, the utility model is achieved through the following technical solutions:

A steel structure bridge node connection structure, comprising a transverse beam, a node body is arranged in the middle of the transverse beam, the node body includes a square block, guard plates are arranged on both sides of the square block, and installation holes are arranged on the guard plate , the square block is provided with a first groove in the vertical direction, and the square block is provided with a second groove in the horizontal direction;

The bottom of the node body is connected with a vertical beam, and the top of the vertical beam is provided with a boss engaged with the first groove, and a connecting groove is arranged inside the boss, and the boss and the first groove When the grooves are engaged and installed, the connection groove and the second groove penetrate;

The left side of the main body of the node is connected to the left support beam, the end of the left support beam is provided with a connecting rod matching the second groove, the end of the connecting rod is provided with a wedge, and the inside of the wedge is provided Transition hole;

The right side of the node main body is connected to the right support beam, the end of the right support beam is provided with a wedge-shaped groove engaged with the wedge block, and the end of the right support beam is provided with a locking hole at the corresponding position of the installation hole .

In the above-mentioned node connection structure of a steel structure bridge, the right support beam, the left support beam and the node main body are fixed by using high-strength bolts through the installation hole, the locking hole and the transition hole in sequence connect.

Compared with the prior art, the beneficial effects of the utility model are as follows: the steel structure bridge node connection structure includes a transverse beam, a node body is arranged in the middle of the transverse beam, a vertical beam is connected below the node body, and the vertical beam passes through the boss Engaged with the first groove, installed to the node body, the left side of the node body is connected to the left support beam, the left support beam is engaged with the second groove through the connecting rod, installed on the node body, and connected to the connecting groove through the connecting rod The connection of the vertical beam is fixed, the right side of the main body of the node is connected to the right support beam, the right support beam is installed on the left support beam through the wedge groove and the wedge block, and the right support beam, the left support beam and the node are connected by high-strength bolts The main body is fixedly connected. The steel structure bridge node connection structure has fewer bolts installed, easy installation, and high connection strength. Compared with the existing steel structure bridge node connection form, no welding operation is required, which reduces the welding stress at the node. The concentrated influence on the connection strength improves the connection reliability of the steel structure bridge at the node connection.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the structural representation of transverse beam of the present utility model;

Fig. 3 is the structural representation of vertical beam in the utility model;

Fig. 4 is the structural representation of the left supporting beam in the utility model;

Fig. 5 is a structural schematic diagram of the right support beam in the utility model.

In the drawings: 1. Transverse beam; 2. Node main body; 21. Square block; 22. Guard plate; 23. First groove; 24. Second groove; 3. Vertical beam; 31. Boss; 32 , connection groove; 4, left support beam; 41, connecting rod; 42, wedge block; 5, right support beam; 51, wedge groove.

Detailed ways:

Referring to Figures 1 to 5, a steel structure bridge node connection structure includes a transverse beam 1, a node body 2 is arranged in the middle of the transverse beam 1, the node body 2 includes a square block 21, and guard plates 22 are arranged on both sides of the square block 21, The guard plate 22 is provided with mounting holes, the square block 21 is provided with a first groove 23 in the vertical direction, and the square block 21 is provided with a second groove 24 in the horizontal direction;

The bottom of the node main body 2 is connected to the vertical beam 3, and the top of the vertical beam 3 is provided with a boss 31 meshing with the first groove 23, and the inside of the boss 31 is provided with a connecting groove 32, and the boss 31 and the first groove 23 When engaging and installing, the connecting groove 32 runs through the second groove 24;

The left side of the node main body 2 is connected to the left support beam 4, the end of the left support beam 4 is provided with a connecting rod 41 matching the second groove 24, the end of the connecting rod 41 is provided with a wedge block 42, and a transition hole is provided inside the wedge block 42 ;

The right side of the node body 2 is connected to the right support beam 5, the end of the right support beam 5 is provided with a wedge-shaped groove 51 engaged with the wedge-shaped block 42, and the end of the right support beam 5 is provided with a locking hole at the corresponding position of the mounting hole.

In this embodiment, the right support beam 5, the left support beam 4 and the node main body 2 are fixedly connected through the installation hole, the locking hole and the transition hole in sequence by using high-strength bolts.

Working principle of the present utility model: the steel structure bridge node connection structure includes a transverse beam 1, a node body 2 is arranged in the middle of the transverse beam 1, the vertical beam 3 is connected below the node body 2, and the node body 2 includes a square block 21, a square The block 21 is provided with a first groove 23 in the vertical direction, and the first groove 23 is arranged in a circular shape. The vertical beam 3 is installed on the node body 2 through the engagement of the boss 31 and the first groove 23. The first groove 23 is set in a circular shape to facilitate the connection and installation of the vertical beam 3 and the node body 2. After the boss 31 is engaged with the first groove 23 and installed in place, the connecting groove 32 penetrates the second groove 24; further, from Insert the connecting rod 41 into the second groove 24 on the left side of the node main body 2. The second groove 24 is set in a square shape. The connecting rod 41 is set to engage with the second groove 24 and is also set in a square shape to avoid the connecting rod 41 in the second groove. The rotation in the second groove 24 improves the connection stability of the left support beam 4, and the connecting rod 41 also passes through the connecting groove 32 at the same time, and the vertical beam 3 can be fixedly connected by the connecting rod 41; further, from the node main body 2 The right support beam 5 is installed on the right side, and the right support beam 5 is engaged with the wedge block 42 through the wedge groove 51, and the right support beam 5 is connected with the connecting rod 41. After the installation of the right support beam 5, the right support beam 5 ends The locking hole at the top and the transition hole at the end of the left support beam 4 and the mounting holes on the guard plate 22 penetrate each other, and the right support beam 5, the left support beam 4 and the transverse beam 1 are fixedly connected by high-strength bolts. The steel structure bridge node connection structure fixedly connects the vertical beam and the transverse beam through the left support beam, and connects the right support beam with the left support beam through the meshing connection form of the wedge groove and the wedge block, and then connects the right support beam and the left support beam through high-strength bolts. The support beam and the main body of the node are fixedly connected, which is convenient for installation and high in installation efficiency. The connection strength at the node is high, and the connection performance is stable and reliable.

In summary, the basic principles, main features and advantages of the utility model shown and described above are only examples of the utility model, and are not intended to limit the implementation scope of the utility model. The utility model is not limited by the above-mentioned embodiments, and all equal changes and modifications made according to the shape, structure, characteristics and spirit of the claims of the utility model shall fall within the scope of the utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims (2)

1. A steel structure bridge node connection structure, comprising a transverse beam (1), is characterized in that: the middle position of the transverse beam (1) is provided with a node body (2), and the node body (2) comprises a square block ( 21), the two sides of the square block (21) are provided with guard plates (22), the guard plate (22) is provided with installation holes, and the vertical direction of the square block (21) is provided with a first groove (23) , the square block (21) is provided with a second groove (24) in the horizontal direction; The bottom of the node main body (2) is connected with a vertical beam (3), and the top of the vertical beam (3) is provided with a boss (31) engaged with the first groove (23), and the boss (31) ) is provided with a connecting groove (32) inside, when the boss (31) is engaged with the first groove (23), the connecting groove (32) is connected to the second groove (24) through; The left side of the node main body (2) is connected to the left support beam (4), and the end of the left support beam (4) is provided with a connecting rod (41) matching the second groove (24). A wedge block (42) is provided at the end of the connecting rod (41), and a transition hole is provided inside the wedge block (42); The right side of the node main body (2) is connected to the right support beam (5), and the end of the right support beam (5) is provided with a wedge-shaped groove (51) engaged with the wedge-shaped block (42). A locking hole is provided at the end of the beam (5) at a position corresponding to the mounting hole. 2. A steel structure bridge node connection structure according to claim 1, characterized in that: the right support beam (5), the left support beam (4) and the node main body (2) use high-strength bolts The fixed connection is performed sequentially through the mounting hole, the locking hole and the transition hole.