CN219261363U

CN219261363U - Beam column connection structure suitable for angle steel lattice type framework

Info

Publication number: CN219261363U
Application number: CN202223376724.5U
Authority: CN
Inventors: 代兵; 王伟; 叶醒; 郭文强; 桑涛; 李林; 官天培; 陈爱萍
Original assignee: NR Electric Co Ltd; NR Engineering Co Ltd
Current assignee: NR Electric Co Ltd; NR Engineering Co Ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-06-27
Anticipated expiration: 2032-12-14

Abstract

The utility model belongs to the technical field of civil engineering of power transformation systems, and discloses a beam column connecting structure suitable for an angle steel lattice framework, which comprises a gusset plate arranged on a main material of a framework column, wherein angle steel is arranged along the cross section of the side of the framework column intersecting with the framework beam to serve as a support, one limb of the angle steel is movably connected with the main material of the framework column, the other limb is movably connected with an upper chord of the framework beam or a lower chord of the framework beam, a plurality of stiffening ribs welded with the angle steel are arranged on the angle steel, and the beam column connecting structure effectively improves the stress performance of beam column connection and reduces the displacement in a plane.

Description

Beam column connection structure suitable for angle steel lattice type framework

Technical Field

The utility model relates to a beam column connection structure suitable for an angle steel lattice type framework, and belongs to the technical field of civil engineering of power transformation systems.

Background

The steel structure column is a beam column used on a building, and is mainly used for supporting between columns and connecting with the steel structure beam, so that the overall stability and the longitudinal rigidity of the building are ensured, and the longitudinal force of the building is borne. Compared with a concrete structure and a wood structure, the steel structure has the advantages of high strength, light dead weight, good overall rigidity, strong deformation resistance and the like, so that the steel structure is widely applied to the building industry, wherein the connection strength of the steel structure beam column connection node structure plays a vital role in construction safety and construction quality in the building construction process.

In the prior art, the angle steel framework beam column connection of the transformer substation distribution device area with the voltage level of 220kV and below is usually hinged, namely, a node plate is used for connecting the lower chord of the framework beam and the main material of the framework column at the outer side of the beam column connection area, and the whole appearance is influenced because the framework beam is subjected to larger middle span and smaller two ends, and the displacement and deformation easily occur in the plane of the framework beam; and the angle steel framework beam column is often installed in a complex manner when being connected in a hinged manner, and has high precision requirements and is not easy to operate.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art, and provides a beam column connecting structure suitable for an angle steel lattice type framework, so that the stress performance of beam column connection is improved, and the displacement in a plane is reduced.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a beam column connecting structure suitable for an angle steel lattice type framework, which comprises a node plate arranged on a main material of a framework column, wherein angle steel is arranged along the cross section of the side of the framework column intersecting with the framework beam to serve as a support, one limb of the angle steel is movably connected with the main material of the framework column, the other limb is movably connected with the upper chord of the framework beam or the lower chord of the framework beam, and the beam column connecting structure is used for connecting the framework column and the framework beam, so that the stress performance of beam column connection is effectively improved, and the stress characteristic of the beam column connection is between the hinge joint and the rigid joint;

the angle steel is provided with a plurality of stiffening ribs welded with the angle steel and used for improving the stability and reliability of the angle steel serving as a support.

Further, the node plates are arranged on the main materials of the frame posts near the lower chord of the frame beam and the lower chord of the frame beam.

Further, the node plate is arranged at a node of the same position of the main material of the framework column and the lower chord elevation of the beam, or at a node of the same position of the main material of the framework column and the upper chord elevation of the beam.

Furthermore, a backing plate for filling gaps is arranged between the angle steel and the upper chord of the frame beam or between the angle steel and the lower chord of the frame beam, so that the installation and adjustment are convenient, and the stability of the frame beam is ensured.

Further, one limb of the angle steel is connected with a node plate on the main material of the frame column through a bolt, and the other limb is connected with the upper chord of the frame beam or the lower chord of the frame beam through a bolt so as to fix the frame beam.

Furthermore, angle steel is connected to the upper chord position of the frame beam and the lower chord position of the frame beam.

Furthermore, the distance between the angle steel connected with the upper chord of the frame beam and the angle steel connected with the lower chord of the frame beam is not less than 10mm of the height of the frame beam, so that the field construction and installation are facilitated.

Compared with the prior art, the utility model has the beneficial effects that:

according to the beam column connecting structure suitable for the angle steel lattice type framework, provided by the utility model, the stress performance of beam column connection can be improved by arranging the upper chord angle steel support of the framework beam and the lower chord angle steel support of the framework beam, so that the stress characteristic of beam column connection is between the hinge joint and the rigid joint;

the beam-column connecting structure effectively coordinates the internal force distribution of the frame beams and the frame columns, reduces the internal force born by the frame beams and transmits partial bending moment at the beam ends;

the inner parts of the angle steels are respectively provided with a plurality of stiffening ribs, so that the in-plane rigidity of the frame girder is enhanced, the in-plane displacement is reduced, and the torsional deformation of the frame girder is restrained;

the distance between the angle steel connected with the upper chord of the frame beam and the angle steel connected with the lower chord of the frame beam is not less than 10mm of the height of the frame beam, and the angle steel is arranged, so that the field construction and installation are facilitated, and the construction period is shortened.

Drawings

FIG. 1 is a side view of a connection node of a truss column to a truss beam provided by an embodiment of the utility model;

fig. 2 is a top view of a lower support of a connection node between a frame column and a frame beam provided by an embodiment of the present utility model;

fig. 3 is a bottom view of a bracket on a connection node between a frame column and a frame beam provided by an embodiment of the present utility model;

in the figure: 1. the first gusset plate, the first angle steel, the first stiffening rib, the second gusset plate, the second angle steel, the second stiffening rib, the first filling base plate and the second filling base plate.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The utility model provides a beam column connecting structure suitable for an angle steel lattice type framework, which comprises a first node plate 1 arranged on a framework column main material, first angle steel 2 for connecting the framework column and the lower chord of the framework beam, first stiffening ribs 3 for reinforcing the first angle steel 2, a second node plate 4 arranged on the framework column main material, second angle steel 5 for connecting the framework column and the upper chord of the framework beam, and second stiffening ribs 6 for reinforcing the second angle steel 5. Filling backing plate 7 of first angle steel 2 and beam lower chord junction position space, filling backing plate 8 of angle steel 5 and beam upper chord junction position space.

The utility model provides a beam column connection structure suitable for an angle steel lattice type framework, which is specifically installed as follows:

and a first gusset plate 1 is arranged at the position of the truss column in the beam column connecting region, which is close to the lower chord of the beam, at the same position of the truss column main material node and the beam lower chord elevation.

The first angle steel 2 is arranged along the whole length of the cross section of the side of the framework column intersected with the framework beam, one limb of the first angle steel 2 is connected with the first node plate 1 of the framework column through bolts, and the other limb is connected with the lower chord of the framework beam through bolts so as to support the framework beam.

The first angle steel 2 is provided with a plurality of first stiffening ribs 3, and the first stiffening ribs 3 are connected with the first angle steel 2 in a welded mode and are used for improving stability and reliability of the first angle steel 3 serving as a lower support.

And a second gusset plate 4 is arranged at the position of the truss column in the beam column connecting region, which is close to the beam upper chord, and at the same position of the truss column main material and the beam upper chord elevation.

And a second angle steel 5 is arranged along the cross section of the side of the framework column intersected with the framework beam, wherein one limb of the second angle steel 5 is connected with a second gusset plate 4 on the framework column main material by a bolt, and the other limb is connected with the upper chord of the framework beam by a bolt so as to fix the upper chord of the framework beam.

And a plurality of second stiffening ribs 6 are arranged on the second angle steel 5 and are welded with the second angle steel 5, so that the stability and the reliability of the second angle steel 5 serving as an upper support are improved.

Specifically, the second angle steel 5 and the first angle steel 2 are of the same model, and are determined by calculation of a designer in the implementation process.

The utility model can be implemented, the distance between the first angle steel 2 at the upper chord position and the second angle steel 5 at the lower chord position of the beam column connecting region is 10mm higher than that of the frame beam, so that a certain adjusting space is convenient for beam column connection and installation, on-site construction and installation are convenient, and the construction period is shortened.

After the frame beam is adjusted to the installation position, a first backing plate 7 is arranged at a gap between the upper chord connection position of the first angle steel 2 and the beam so as to ensure the stability of the frame beam;

after the truss beam is adjusted to the installation position, a second backing plate 8 is arranged at a gap between the lower chord connection position of the second angle steel 5 and the beam, so that the stability of the truss beam is further ensured.

The beam column connecting structure suitable for the angle steel lattice type framework can improve the stress performance of beam column connection by arranging the beam upper chord and the beam lower chord angle steel support, ensure that the stress characteristic of beam column connection is between the hinging and rigid connection, coordinate the internal force distribution of the framework beam and the framework column, reduce the internal force born by the framework beam and transmit partial bending moment at the beam end; the structure can further enhance the in-plane rigidity of the frame beam, reduce in-plane displacement, restrict torsional deformation of the frame beam, facilitate site construction and installation and shorten the construction period.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.

Claims

1. The beam column connecting structure is characterized by comprising a node plate arranged on a main material of a frame column, wherein angle steel is arranged along the cross section of the side of the frame column intersecting the frame beam to serve as a support, one limb of the angle steel is movably connected with the main material of the frame column, and the other limb is movably connected with an upper chord of the frame beam or a lower chord of the frame beam and is used for connecting the frame column and the frame beam;

2. The beam-column connection structure for angle steel lattice frameworks according to claim 1, wherein the gusset plate is provided on the main material of the truss column near and at the lower chord of the truss beam.

3. The beam column connection structure suitable for angle steel lattice frameworks according to claim 1, wherein the node plates are arranged at nodes at the same positions of the main material of the framework column and the lower chord elevation of the beam or at the same positions of the main material of the framework column and the upper chord elevation of the beam.

4. The beam column connection structure suitable for the angle steel lattice type framework according to claim 1, wherein a backing plate filling a gap is arranged between the angle steel and the upper chord of the framework beam or the lower chord of the framework beam, so that stability of the framework beam is ensured.

5. The beam-column connection structure for angle steel lattice type frameworks according to claim 1, wherein one limb of the angle steel is connected with a gusset plate on a framework column main material through bolts, and the other limb is connected with an upper chord of the framework beam or a lower chord of the framework beam through bolts so as to fix the framework beam.

6. The beam column connection structure suitable for the angle steel lattice type framework according to claim 1, wherein angle steel is connected to both the upper chord position of the framework beam and the lower chord position of the framework beam.

7. The beam column connection structure for angle steel lattice type frameworks according to claim 6, wherein the distance between the angle steel connected at the upper chord of the framework beam and the angle steel connected at the lower chord of the framework beam is not less than 10mm of the height of the framework beam.