CN211172382U - A steel beam connecting node - Google Patents

Abstract

The utility model relates to a technical field is connected to the steel construction, more specifically says, and it relates to a girder steel connected node, and its technical scheme main points are: including two I-steel girders, two I-steel girders are the level setting and the tip is relative, two relative both ends of two I-steel girders all are equipped with the end plate, two end plates pass through bolt fixed connection, still include two connecting plates, the I-steel girder is followed I-steel girder width direction's both sides respectively to two connecting plates, the I-steel girder includes the diaphragm, lower diaphragm and the riser of locating between diaphragm and the lower diaphragm, two connecting plates all are parallel with the riser, the terminal surface of connecting plate towards the riser all contradicts in the lateral wall of last diaphragm and lower diaphragm, and the one end and the I-steel girder fixed connection of connecting plate, the other end and another I-steel girder fixed connection of connecting plate. This girder steel connected node can promote the connectivity between two girder steels to reduce two end plates as the load part and appear warping and influence the condition of girder steel connection stability.

Description

A steel beam connecting node

technical field

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

Background technique

As a representative of green building, steel structure has the characteristics of good comprehensive performance of materials, high material utilization rate and excellent safety performance. One of the keys to structural stability.

In the prior art, the steel beam is usually made of I-shaped steel, the end of the steel beam is fixed with a rectangular plate-shaped end plate, and the end plates are provided with a number of through holes for bolts to pass through; When the steel beams are connected, the staff only needs to bring the ends of the two steel beams close to each other to make the two end plates conflict with each other, and then use bolts to fix the two end plates to connect the two steel beams. fixed connection.

The above-mentioned steel beam connection node has the characteristics of convenient on-site installation, but through the bolt connection between the two end plates, the two steel beams only have the connection relationship between the two opposite end faces. When the steel beam is subjected to a horizontal thrust perpendicular to the steel beam , the two end plates as the main bearing parts may be deformed and affect the stability of the steel beam connection.

Utility model content

In view of the above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a steel beam connecting node, which can improve the connectivity between two steel beams, thereby reducing the number of two end plates serving as load-bearing members. Deformation occurs that affects the stability of the steel beam connection.

The above-mentioned technical purpose of the present invention is achieved through the following technical solutions: a steel beam connection node, comprising two I-beam beams, the two I-beam beams are arranged horizontally and the ends are opposite, and the two I-beams are arranged horizontally. The opposite ends of the I-beam are provided with end plates, and the two end plates are fixedly connected by bolts, and also include two connecting plates, which are respectively arranged on the I-beam along the I-beam. On both sides of the steel beam in the width direction, the I-beam includes an upper horizontal plate, a lower horizontal plate and a vertical plate arranged between the upper horizontal plate and the lower horizontal plate, and the two connecting plates are both parallel to the vertical plate, The end faces of the connecting plate facing the vertical plate are in contact with the side walls of the upper horizontal plate and the lower horizontal plate, and one end of the connecting plate is fixedly connected to an I-beam, and the other end of the connecting plate is connected to another The root I-beam is fixedly connected.

By adopting the above technical solution, after the two I-beam beams are fixedly connected by bolts between the two end plates, the two I-beam beams are fixedly connected by two connecting plates located on both sides of the width direction of the I-beam beam. , which can improve the connection between the two I-beams, and reduce the stress and deformation of the two end plates as load-bearing parts that affect the connection stability of the steel beams.

Preferably, two reinforcing blocks are provided on the end face of the connecting plate close to the vertical plate, the two reinforcing blocks are arranged on the connecting plate along the length direction of the I-beam, and one end of the reinforcing block is far away from the connecting plate The other end of the reinforcing block away from the connecting plate abuts against the vertical plate of the other I-beam.

By adopting the above technical solution, the end of the reinforcing block away from the connecting plate interferes with the vertical plate of the I-beam, so that the connecting plate fixed on the two I-beams can provide good support for the I-beam.

Preferably, the connecting plate, the reinforcing block and the vertical plate are provided with one-to-one corresponding first through holes, and the first through holes are used for bolts to pass through.

By adopting the above technical solution, the bolts penetrate through the first through holes of the connecting plate, the reinforcing block and the vertical plate and are threadedly connected with the nuts, so that the fixed connection between the connecting plate and the I-beam can be realized, and the structure is simple and the stability is high. .

Preferably, the two opposite end surfaces of the reinforcing block and the upper horizontal plate are in conflict with each other, and the two opposite end surfaces of the reinforcing block and the lower horizontal plate are in conflict with each other.

By adopting the above technical solution, the upper end face and the lower end face of the reinforcing block collide with the upper horizontal plate and the lower horizontal plate respectively, which can limit the position of the reinforcing block, so as to facilitate the connection between the connecting plate, the reinforcing block and the vertical plate. A corresponding first through hole is aligned.

Preferably, the two ends of the connecting plate along the vertical direction are provided with limit plates, both of the limit plates are provided with limit slots for inserting the side walls of the end plates, and one of the limit plates is in contact with the two limit plates. The upper transverse plate of one I-beam beam, and the other limit plate is in contact with the lower transverse plates of the two I-beam beams.

By adopting the above technical solution, when installing the connecting plate, the side wall of the end plate is inserted into the limiting groove, and the initial positioning of the connecting plate can be realized, so that it is convenient for the staff to install the connecting plate at the connection of the two I-beam beams.

Preferably, the limiting plate, the upper horizontal plate, the reinforcing block and the lower horizontal plate are all provided with a one-to-one corresponding second through hole, and the second through hole is used for the bolt to pass through.

By adopting the above technical solution, the bolt penetrates through the second through hole between the limit plate, the upper horizontal plate, the reinforcing block and the lower horizontal plate and is threadedly connected with the nut, so that the fixed connection between the limit plate and the two I-beams can be realized. , so as to improve the vertical bearing capacity of the connection between the two I-beam beams.

Preferably, an end of the reinforcing block facing the vertical plate is provided with a chamfer.

By adopting the above technical solution, in the process of moving in the horizontal direction to make the reinforcing block abut against the vertical plate, the chamfer can play a guiding role, so as to facilitate the installation of the connecting plate by the staff.

Preferably, a stiffening rib is provided between the I-beam and the end plate, one end of the stiffening rib is welded to the end plate, and the other end of the stiffening rib is welded to the I-beam.

By adopting the above technical solution, the arrangement of the stiffener can increase the connection strength between the I-beam and the end plate, thereby improving the connection stability of the two I-beams.

To sum up, the utility model has the following beneficial effects:

1. The two connecting plates located on both sides of the width direction of the I-beam are fixedly connected to the two I-beams, which can improve the connectivity between the two I-beams;

2. The end of the reinforcement block away from the connecting plate is in conflict with the vertical plate of the I-beam, so that the connecting plate fixed on the two I-beams can provide a good support for the I-beam;

3. The fixed connection between the limit plate and the two I-beams can improve the vertical bearing capacity of the connection between the two I-beams.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the embodiment of the present utility model;

FIG. 2 is a schematic diagram of an explosion structure of an embodiment of the present invention.

Reference numerals: 1. I-beam; 1a, upper transverse plate; 1b, lower transverse plate; 1c, vertical plate; 2, end plate; 3, connecting plate; 4, reinforcement block; 5, first through hole; 6. Limiting plate; 6a. Limiting slot; 6b. Giving way slot; 7. Second through hole; 8. Stiffening rib.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

A steel beam connection node, with reference to Figures 1 and 2, comprises an I-beam 1, an end plate 2 and a connecting plate 3, wherein the number of the I-beam 1 is two, and the two I-beams 1 They are all arranged horizontally and have opposite ends. Specifically, the I-beam 1 includes an upper transverse plate 1a, a lower transverse plate 1b, and a vertical plate 1c between the upper transverse plate 1a and the lower transverse plate 1b. At the same time, the number of end plates 2 is also two, the end plates 2 are rectangular plates, and the two end plates 2 are respectively welded to the two opposite end faces of the I-beam 1. In this embodiment, the end plates 2 and the I-beam A stiffening rib 8 for increasing the connection strength between the I-beam 1 and the end plate 2 is also welded between the steel beams 1; The upper end and the lower end are fixedly connected by bolts and nuts.

1 and 2, the number of connecting plates 3 is also two, and the two connecting plates 3 are rectangular plates parallel to the vertical plate 1c, and the two connecting plates 3 are respectively located on the vertical plate 1c along the I-beam 1. On both sides in the width direction, and the end faces of the connecting plate 3 facing the vertical plate 1c simultaneously abut against the side walls of the upper transverse plate 1a and the lower transverse plate 1b of the two I-beams 1 . At the same time, two reinforcement blocks 4 are welded on the end face of the connecting plate 3 close to the vertical plate 1c. In this embodiment, the two reinforcement blocks 4 can both be made of square steel, and the two reinforcement blocks 4 are along the length direction of the I-beam 1. Arranged on the connecting plate 3, and one end of the reinforcing block 4 away from the connecting plate 3 is in contact with the vertical plate 1c of an I-beam 1, and the other end of the reinforcing block 4 away from the connecting plate 3 is in contact with another I-beam. The vertical plate 1c of the steel beam 1.

In addition, the connecting plate 3, the reinforcing block 4 and the vertical plates 1c of the two I-beams 1 are all provided with a corresponding first through hole 5, which penetrates through the connecting plate 3, the reinforcing block 4 and the vertical plate 1c through bolts. The first through hole 5 is connected with the nut threadedly, so that the fixed connection between the connecting plate 3 and the I-beam 1 can be realized. In order to facilitate the alignment of the connecting plate 3, the reinforcing block 4 and the first through holes 5 on the vertical plate 1c, the height of the reinforcing block 4 can be the same as that of the vertical plate 1c, that is, the two reinforcing blocks 4 are opposite to the upper horizontal plate 1a. The end faces are in conflict with each other, and the two opposite end faces of the reinforcing block 4 and the lower transverse plate 1b are in conflict with each other. In addition, the end of the reinforcing block 4 facing the vertical plate 1c is also chamfered, so that the worker can move the reinforcing block 4 in the horizontal direction to the space between the upper horizontal plate 1a and the lower horizontal plate 1b when installing the connecting plate 3 .

1 and 2 , limit plates 6 are welded to both ends of the two connecting plates 3 in the vertical direction, that is, there are four limit plates 6 in total, and the four limit plates 6 are arranged horizontally. Wherein, the two opposite end faces of the two upper limit plates 6 are in contact with each other, and the lower end faces of the two upper limit plates 6 are in contact with the upper transverse plates 1a of the two I-beams 1; The two opposite end faces of the two limit plates 6 also abut against each other, and the upper ends of the two limit plates 6 below both abut against the lower transverse plates 1 b of the two I-beams 1 .

In addition, the two limiting plates 6 are both provided with limiting grooves 6 a for inserting and matching with the side walls of the end plates 2 , and for avoiding positions with the stiffening ribs 8 . In addition, the limiting plate 6, the upper horizontal plate 1a, the reinforcing block 4 and the lower horizontal plate 1b are all provided with a corresponding second through hole 7, which penetrates through the limiting plate 6, the upper horizontal plate 1a, the reinforcing block 4 and the lower horizontal plate 1b through bolts. The second through hole 7 between the lower horizontal plate 1b is threadedly connected with the nut, which can realize the fixed connection between the limit plate 6 and the two I-beams 1, thereby improving the vertical direction of the connection of the two I-beams 1 bearing capacity.

The working principle of the utility model is as follows: after the two I-beam beams 1 are fixedly connected by bolts between the two end plates 2, the two connecting plates 3 located on both sides of the width direction of the I-beam beam 1 are connected by bolts. The fixed connection of the two I-beam beams 1 can improve the connectivity between the two I-beam beams 1, thereby reducing the stress and deformation of the two end plates 2 as load-bearing parts and affecting the connection of the steel beams. Stability situation. At the same time, the end of the reinforcing block 4 away from the connecting plate 3 is in conflict with the vertical plate 1c of the I-beam 1, so that the connecting plates 3 fixed on the two I-beams 1 can provide a good I-beam 1. support. In addition, the limiting plate 6 is fixedly connected to the two I-beams 1 through threads, which can improve the vertical bearing capacity of the connection between the two I-beams 1 .

The above-mentioned embodiment is only an explanation of the present invention, and it is not a limitation of the present invention. Those skilled in the art can make modifications without creative contribution to the present embodiment as required after reading this specification, but as long as the present invention is used in the present invention. are protected by patent law within the scope of the claims.

Claims (8)

1. The utility model provides a girder steel connected node, includes two I-steel roof beam (1), two I-steel roof beam (1) is that the level sets up and the tip is relative, two the both ends that I-steel roof beam (1) is relative all are equipped with end plate (2), two end plate (2) are through bolt fixed connection, characterized by: the connecting plate is characterized by further comprising two connecting plates (3), wherein the two sides of the I-shaped steel beam (1) in the width direction of the I-shaped steel beam (1) are respectively arranged on the two sides of the I-shaped steel beam (3), the I-shaped steel beam (1) comprises an upper transverse plate (1a), a lower transverse plate (1b) and a vertical plate (1c) arranged between the upper transverse plate (1a) and the lower transverse plate (1b), the two connecting plates (3) are parallel to the vertical plate (1c), the end faces, facing the vertical plate (1c), of the connecting plates (3) are abutted against the side walls of the upper transverse plate (1a) and the lower transverse plate (1b), one end of each connecting plate (3) is fixedly connected with one I-shaped steel beam (1), and the other end of each connecting plate (3) is fixedly connected with the.

2. A steel beam connection node as claimed in claim 1, wherein: the terminal surface that connecting plate (3) are close to riser (1c) is equipped with two reinforcement piece (4), two reinforcement piece (4) are arranged on connecting plate (3) along I-shaped steel roof beam (1) length direction, and one the one end that connecting plate (3) were kept away from in reinforcement piece (4) is contradicted in riser (1c) of an I-shaped steel roof beam (1), another the one end that connecting plate (3) were kept away from in reinforcement piece (4) is contradicted in riser (1c) of another I-shaped steel roof beam (1).

3. A steel beam connection node as claimed in claim 2, wherein: the connecting plate (3), the reinforcing block (4) and the vertical plate (1c) are provided with first through holes (5) in one-to-one correspondence, and the first through holes (5) are used for the bolts to penetrate through.

4. A steel beam connection node as claimed in claim 3, wherein: reinforcing block (4) and two relative terminal surfaces of last diaphragm (1a) are contradicted each other, reinforcing block (4) and two relative terminal surfaces of diaphragm (1b) are contradicted each other down.

5. A steel beam connection node as claimed in claim 2, wherein: connecting plate (3) are equipped with limiting plate (6), two along the both ends of vertical direction limiting plate (6) all are equipped with and supply end plate (2) lateral wall male spacing groove (6a), and one limiting plate (6) are contradicted in last diaphragm (1a) of two I-steel roof beams (1), another limiting plate (6) are contradicted in lower diaphragm (1b) of two I-steel roof beams (1).

6. A steel beam connection node as claimed in claim 5, wherein: limiting plate (6), last diaphragm (1a), reinforcing block (4) and diaphragm (1b) down all are equipped with second through-hole (7) of one-to-one, second through-hole (7) are used for supplying the bolt to run through.

7. A steel beam connection node as claimed in claim 2, wherein: one end of the reinforcing block (4) facing the vertical plate (1c) is provided with a chamfer.

8. A steel beam connection node as claimed in claim 1, wherein: be equipped with stiffening rib (8) between I-steel girder (1) and end plate (2), the one end of stiffening rib (8) welds on end plate (2), the other end of stiffening rib (8) welds on I-steel girder (1).

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