CN218952586U

CN218952586U - Anti-torsion combined truss

Info

Publication number: CN218952586U
Application number: CN202223350759.1U
Authority: CN
Inventors: 马国良; 张超; 郦宏伟; 张伟康; 周欢; 王盛伟; 王益增
Original assignee: Zhejiang Lizhi Construction Technology Co ltd
Current assignee: Zhejiang Lizhi Construction Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-02
Anticipated expiration: 2032-12-14

Abstract

The utility model provides an anti-torsion combined truss, which relates to the field of steel structures and comprises a three-dimensional truss, wherein the three-dimensional truss consists of a plurality of main truss rods which are longitudinally arranged and connecting truss rods which are used for connecting the main truss rods, the adjacent main truss rods and the connecting truss rods on six surfaces of the outer side of the three-dimensional truss are diagonally connected through diagonal braces, and the anti-torsion combined truss also comprises a steel plate frame which is inlaid in the three-dimensional truss and comprises a plurality of anti-torsion steel plates and a plurality of stiffening ribs, the opposite anti-torsion steel plates are connected through the supporting ribs, and the shapes of the anti-torsion steel plates are matched with the gaps of the six surfaces of the three-dimensional truss and are welded with the three-dimensional truss. According to the torsion-resistant combined truss, the steel plate frames formed by the torsion-resistant steel plates are combined with the three-dimensional truss, so that the overall torsion rigidity of the three-dimensional truss is high, the torsion resistance is greatly enhanced, the overall bending rigidity and the bearing capacity of the truss are also improved, the steel consumption of the truss can be reduced, the overall thickness of the truss is reduced, and the indoor clearance is increased.

Description

Anti-torsion combined truss

Technical Field

The utility model relates to the technical field of steel structures, in particular to a torsion-resistant combined truss.

Background

The member bar of the truss structure is mainly characterized by bearing axial tension or compression force in the whole bending state, so that the strength of the material can be fully utilized, and the truss structure can save the material, lighten the dead weight and improve the rigidity compared with a solid web beam. The method is widely applied to industrial and civil buildings, in particular to large-span public building roof structures.

With the demand of building modeling, more and more buildings pursue suspended and elegant building shapes, and accordingly the structure is required to be twisted on the premise of meeting the original bending resistance, and the improvement of the torsional rigidity of the truss is a key problem.

An existing truss, such as a steel pipe fastener truss platform system with a Chinese patent publication number of CN202689497U, comprises a column of girder trusses arranged in parallel and a plurality of rows of secondary girder trusses arranged in parallel, wherein the girder trusses and the secondary girder trusses are crisscrossed and spliced to form a grid-shaped framework, and a platform plate … … is closely paved on the framework "

For example, the truss has weak torsion resistance, is easy to deform when bearing torsion, and generates rigid displacement due to the occurrence of a corner, so that the normal use of the cantilever structure is influenced, and the potential safety hazard of the structure is caused.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides a torsion-resistant combined truss, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a antitorque combination truss, includes the truss, the truss comprises a plurality of main truss hacks of vertical arrangement and the connection truss hack lever that is used for linking main truss hack lever, connects through diagonal brace diagonal connection between adjacent main truss hack lever and the connection truss hack lever on six faces in the outside, still includes the steel sheet frame, the steel sheet frame is inlayed in the truss, the steel sheet frame includes a plurality of antitorque steel sheets and a plurality of stiffening rib, and relative antitorque steel sheet passes through stiffening rib support connection, the shape of a plurality of antitorque steel sheets and the space looks adaptation of six faces of truss, and welds with the truss.

Preferably, the main truss rod, the connecting truss rod and the inclined stay rod can be round steel pipes, rectangular pipes or I-steel.

Preferably, the stiffening ribs can be steel plates, angle steel or channel steel.

Preferably, the inclined strut divides a frame-shaped gap formed by the main truss rod and the connecting truss rod into a plurality of triangular gaps, and the torsion-resistant steel plate is in a triangular shape matched with the triangular gaps.

(III) beneficial effects

The utility model provides a torsion-resistant combined truss. The beneficial effects are as follows:

1. according to the torsion-resistant combined truss, the steel plate frames formed by the torsion-resistant steel plates are combined with the three-dimensional truss, so that the overall torsion rigidity of the three-dimensional truss is high, the torsion resistance is greatly enhanced, the overall bending rigidity and the bearing capacity of the truss are also improved, the steel consumption of the truss can be reduced, the overall thickness of the truss is reduced, and the indoor clearance is increased.

Drawings

FIG. 1 is a schematic view of a torsion resistant composite truss of the present utility model;

FIG. 2 is a schematic view of a stereoscopic truss according to the present utility model;

FIG. 3 is a schematic view of torsion steel plates between the stereoscopic trusses of the present utility model;

FIG. 4 is a schematic side view of a composite truss of the present utility model;

FIG. 5 is a schematic cross-sectional view of a composite truss of the present utility model.

In the figure: a main truss rod 1, a connecting truss rod 2, an inclined brace 3, a torsion-resistant steel plate 4 and a stiffening rib 5.

Detailed Description

An embodiment of the present utility model provides a torsion resistant composite truss, as shown in fig. 1-5, comprising a stereoscopic truss.

As shown in fig. 1-2, the stereoscopic truss is composed of a plurality of longitudinally arranged main truss rods 1 and connecting truss rods 2 for connecting the main truss rods 1, and the adjacent main truss rods 1 and connecting truss rods 2 on six sides of the outer side of the stereoscopic truss are diagonally connected through diagonal brace rods 3. In this embodiment, the main truss frame rod 1, the linking truss frame rod 2 and the diagonal brace rod 3 on the upper and lower surfaces of the stereoscopic truss form a frame structure in a shape of a Chinese character 'mi', and the main truss frame rod 1, the linking truss frame rod 2 and the diagonal brace rod 3 can be round steel pipes, rectangular pipes or I-steel. The stereoscopic truss can be deeply fed and processed into a whole in a factory, and can also be assembled into a whole on site after the factory processing of the components is completed; the three-dimensional truss members are connected by welding.

As shown in fig. 3-5, the combined truss further comprises a steel plate frame, the steel plate frame is embedded in the stereoscopic truss, the steel plate frame comprises a plurality of torsion-resistant steel plates 4 and a plurality of stiffening ribs 5, the opposite torsion-resistant steel plates 4 are in supporting connection through the stiffening ribs 5, the stiffening ribs 5 are only connected with the torsion-resistant steel plates 4 and are not connected with the main truss rods 1, the connecting truss rods 2 and the diagonal brace rods 3, the stiffening ribs 5 face the whole interior of the stereoscopic truss, and the stiffening ribs 5 can be steel plates, angle steel or channel steel.

As shown in fig. 2 and 3, the diagonal brace 3 divides a frame-shaped gap formed by the main truss girder bar 1 and the link truss girder bar 2 into a plurality of triangular gaps, and the torsion steel plate 4 has a triangular shape adapted to the triangular gaps. And welded with the stereoscopic truss.

After the combination of the three-dimensional truss and the steel plate frame is completed, the assembly combination is carried out between the three-dimensional truss and the steel plate frame, the torsion-resistant steel plates 4 of the steel plate frame are embedded in each gap in the three-dimensional truss, each torsion-resistant steel plate 4 is welded on the main truss rod 1, the connecting truss rod 2 and the diagonal brace rod 3 of the three-dimensional truss through a circle of continuous fillet welds, and the torsion-resistant steel plates 4 are welded up and down symmetrically and simultaneously, and a method for reducing welding deformation and welding residual stress is adopted.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a antitorque combination truss, includes three-dimensional truss, three-dimensional truss comprises a plurality of main truss poles (1) of vertical arrangement and contact truss pole (2) that are used for linking main truss pole (1), connects through diagonal brace (3) diagonal connection between adjacent main truss pole (1) and contact truss pole (2) on six faces in the three-dimensional truss outside, its characterized in that: still include the steel sheet frame, the steel sheet frame is inlayed in three-dimensional truss, the steel sheet frame includes a plurality of antitorque steel sheet (4) and a plurality of stiffening rib (5), and relative antitorque steel sheet (4) are through stiffening rib (5) support connection, and the shape of a plurality of antitorque steel sheet (4) and the space looks adaptation of three-dimensional truss six faces, and weld with three-dimensional truss.

2. A torsion resistant composite truss according to claim 1, wherein: the main truss rod (1), the connecting truss rod (2) and the diagonal brace (3) can be round steel pipes, rectangular pipes or I-steel.

3. A torsion resistant composite truss according to claim 1, wherein: the stiffening ribs (5) can be made of steel plates, angle steel or channel steel.

4. A torsion resistant composite truss according to claim 1, wherein: the inclined strut (3) divides a frame-shaped gap formed by the main truss rod (1) and the connecting truss rod (2) into a plurality of triangular gaps, and the torsion-resistant steel plate (4) is in a triangular shape matched with the triangular gaps.