CN214329377U

CN214329377U - Buckling-restrained energy-dissipation supporting structure easy to repair

Info

Publication number: CN214329377U
Application number: CN202022839945.6U
Authority: CN
Inventors: 徐增武; 刘冬明; 何杰; 戴超虎; 蒋卫
Original assignee: China Construction Fifth Bureau Third Construction Co Ltd
Current assignee: China Construction Fifth Bureau Third Construction Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-10-01
Anticipated expiration: 2030-11-30

Abstract

An easily repaired buckling-restrained energy-dissipation supporting structure comprises a rigid support and a semi-rigid energy-dissipation support; the energy-consuming semi-rigid energy-consuming support is characterized in that flanges are arranged at two ends of the rigid support and the semi-rigid energy-consuming support, a connecting inner pipe is coaxially fixed at the flange end at one end of the rigid support, an inner cavity matched with the outer diameter of the connecting inner pipe is arranged in the semi-rigid energy-consuming support, the other end of the rigid support is fixed at a node at one end of the steel frame through the flange, the rigid support is inserted into the inner cavity of the semi-rigid energy-consuming support through the connecting inner pipe, the rigid support and the semi-rigid energy-consuming support are fixedly connected through the flange, and the other end of the semi-rigid energy-consuming support is connected with a node at the other end of the steel frame through the flange. The utility model discloses greatly improved the antidetonation power consumption ability of frame, and need only can restore with trading energy-consuming component after the earthquake to more conventional triple steel pipe buckling restrained brace is more economical.

Description

Buckling-restrained energy-dissipation supporting structure easy to repair

Technical Field

The utility model belongs to the building structure field especially relates to an easy bucking energy consumption bearing structure of preventing of restoreing.

Background

Steel frame construction is a very common form of construction in structural construction. In order to improve the bearing capacity and the lateral rigidity of the frame structure, increase the construction height of the structure and avoid excessively increasing the cross section of a beam column and the corresponding steel consumption, the frame-support structure formed by arranging a certain number of supports along the height of the structure on the basis of the frame structure is an economic and effective common lateral force resistant structure system. However, although the lateral stiffness of the frame can be effectively improved by the common brace (the section of the common brace includes a single-channel steel, a single-angle steel, a double-channel steel, an H-shaped steel, a box-shaped section steel and a steel pipe), the common brace generally bends at the elastic stage, once the brace bends, the bearing capacity of the brace is greatly reduced, the deformability of the material after yielding cannot be fully utilized, the energy consumption capability is poor, the anti-seismic energy consumption design of the structure is not facilitated, and the conventional triple steel pipe buckling-preventing energy consumption brace is not economical and consumes a large amount of steel.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough of prior art and provide one kind and can greatly improve the anti-seismic energy dissipation ability of frame, support the position that takes place to destroy and clear and definite easy restoration buckling restrained energy dissipation bearing structure.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is:

an easily repaired buckling-restrained energy-dissipation supporting structure comprises a rigid support 1 and a semi-rigid energy-dissipation support 2; the energy-saving and energy-saving steel frame is characterized in that connecting pieces are arranged at two ends of the rigid support 1 and the semi-rigid energy-consuming support 2, a connecting inner pipe 3 is coaxially fixed at one end of the connecting piece at one end of the rigid support 1, an inner cavity matched with the outer diameter of the connecting inner pipe 3 is arranged in the semi-rigid energy-consuming support 2, the other end of the rigid support 1 is fixed on one end node 10 of the steel frame through the connecting piece, the rigid support 1 is inserted into the inner cavity of the semi-rigid energy-consuming support 2 through the connecting inner pipe 3, the rigid support 1 and the semi-rigid energy-consuming support 2 are connected and fixed through the connecting piece, the length of the connecting inner pipe 3 is shorter than that of the inner cavity of the semi-rigid energy-consuming support 2, and the other end of the semi-rigid energy-consuming support 2 is connected with the other end node 9 of the steel frame through the connecting piece.

In the embodiment, the length of the connecting inner pipe 3 is 1-2 cm shorter than the length of the inner cavity of the semi-rigid energy dissipation support 2.

In the present embodiment, the connecting members are connected by high-strength bolts 8.

In the embodiment, the end part of the connecting inner pipe 3 is provided with a thickened area 4, the difference between the outer diameter of the thickened area 4 and the inner diameter of the semi-rigid energy dissipation support 2 is not more than 0.5mm, and the outer diameter of the other part of the connecting inner pipe 3 is 2-3 mm smaller than the inner diameter of the semi-rigid energy dissipation support 2.

In this embodiment, the thickened region 4 is coated with lubricating oil, and the length of the thickened region 4 is not less than the outer diameter of the connecting inner pipe 3.

In this embodiment, the semi-rigid energy dissipation support 2 and the rigid support 1 are welded at both ends thereof with steel rings 6 as connectors, and stiffening plates 7 for reinforcing rigidity are disposed between the steel rings 6 and the semi-rigid energy dissipation support 2 and the rigid support 1.

In this embodiment, the outer wall of the semi-rigid energy dissipation brace 2 is uniformly provided with splayed through holes 5 along the axial direction.

In this embodiment, the connecting member is a flange.

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

1. the supporting structure consists of a rigid support 1 and a semi-rigid energy dissipation support 2, and is convenient to mount;

2. when the external force exceeds the limit of the supporting structure, the supporting main body and the nodes at two ends are prevented from being damaged by the active damage of the semi-rigid energy dissipation support;

3. after the semi-rigid energy dissipation support is damaged, only the semi-rigid energy dissipation support needs to be replaced or repaired, so that the maintenance efficiency is high, and the cost is low;

drawings

Fig. 1(a) is a schematic view of a square steel pipe according to an embodiment of the present invention.

Fig. 1(b) is an enlarged view of a portion a in fig. 1 (a).

Fig. 2 is an elevational view of the support assembly.

Fig. 3 is a bottom view of the support assembly.

FIG. 4 is an isometric view of the support assembly.

In the drawings, 1-rigid support; 2-semi-rigid energy dissipation support; 3-connecting the inner pipe; 4-end thickening region; 5-a through hole; 6-steel circular ring; 7-a stiffening plate; 8-high strength bolts; 9-the other end node of the steel frame; 10-a node at one end of the steel frame.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1(a), fig. 1(b), fig. 2, fig. 3, and fig. 4, an easily repaired buckling restrained energy dissipation brace structure includes a rigid brace 1 and a semi-rigid energy dissipation brace 2; the energy-saving and energy-saving steel frame is characterized in that flanges are arranged at two ends of the rigid support 1 and the semi-rigid energy-consuming support 2, a connecting inner pipe 3 is coaxially fixed at one end of the flange of the rigid support 1, an inner cavity matched with the outer diameter of the connecting inner pipe 3 is arranged in the semi-rigid energy-consuming support 2, the other end of the rigid support 1 is fixed at one end node 10 of the steel frame through the flange, the rigid support 1 is inserted into the inner cavity of the semi-rigid energy-consuming support 2 through the connecting inner pipe 3, one ends of the rigid support 1 and the semi-rigid energy-consuming support 2 are fixedly connected through the flange, the length of the connecting inner pipe 3 is 1-2 cm shorter than that of the inner cavity of the semi-rigid energy-consuming support 2, the other end of the semi-rigid energy-consuming support 2 is connected with the other end node 9 of the steel frame through the flange, and the flanges are connected through high-strength bolts 8.

The end part of the inner connecting pipe 3 is provided with a thickened area 4, the difference between the outer diameter of the thickened area 4 and the inner diameter of the semi-rigid energy dissipation support 2 is not more than 0.5mm, lubricating oil is smeared outside the thickened area 4, the outer diameter of the other part of the inner connecting pipe 3 is 2-3 mm smaller than the inner diameter of the semi-rigid energy dissipation support 2, and the length of the thickened area 4 is not less than the outer diameter of the inner connecting pipe 3.

The semi-rigid energy dissipation support 2 and the rigid support 1 are welded at the end parts of the two ends and are used as flanges with steel circular rings 6, and stiffening plates 7 are arranged between the steel circular rings 6 and the rigid support 1 and between the semi-rigid energy dissipation support 2 and the rigid support 1 to reinforce rigidity.

The outer wall of the semi-rigid energy dissipation support 2 is uniformly provided with splayed through holes 5 along the axial direction.

The above-mentioned embodiments are illustrative and should not be construed as limiting the scope of the invention, which is defined by the appended claims, and all modifications of the equivalent forms of the present invention which are obvious to those skilled in the art after reading the present invention.

Claims

1. An easily repaired buckling-restrained energy-dissipation supporting structure comprises a rigid support (1) and a semi-rigid energy-dissipation support (2); it is characterized in that the two ends of the rigid support (1) and the semi-rigid energy dissipation support (2) are respectively provided with a connecting piece, a connecting inner pipe (3) is coaxially fixed on the connecting piece end at one end of the rigid support (1), an inner cavity matched with the outer diameter of the connecting inner pipe (3) is arranged in the semi-rigid energy dissipation support (2), the other end of the rigid support (1) is fixed on a node (10) at one end of the steel frame through a connecting piece, the rigid support (1) is inserted into the inner cavity of the semi-rigid energy dissipation support (2) through the connecting inner pipe (3), the rigid support (1) and the semi-rigid energy dissipation support (2) are connected and fixed through a connecting piece, the length of the connecting inner pipe (3) is shorter than the length of the inner cavity of the semi-rigid energy dissipation support (2), the other end of the semi-rigid energy dissipation support (2) is connected with a node (9) at the other end of the steel frame through a connecting piece.

2. The easily repaired buckling restrained brace structure as claimed in claim 1, wherein the length of the connecting inner tube (3) is 1-2 cm shorter than the length of the inner cavity of the semi-rigid bracing (2).

3. The easily repaired buckling restrained brace structure as claimed in claim 1, wherein the connecting pieces are connected with each other through high-strength bolts (8).

4. The easily repaired buckling restrained brace structure as claimed in claim 1, wherein the end of the inner connecting pipe (3) is provided with a thickened area (4), the difference between the outer diameter of the thickened area (4) and the inner diameter of the semi-rigid brace (2) is not more than 0.5mm, and the outer diameter of the non-thickened area of the inner connecting pipe (3) is 2-3 mm smaller than the inner diameter of the semi-rigid brace (2).

5. The easily repaired buckling restrained energy dissipation brace structure of claim 4, wherein the thickened area (4) is coated with lubricating oil, and the length of the thickened area (4) is not less than the outer diameter of the connecting inner pipe (3).

6. The easy-repair buckling-restrained brace structure as claimed in claim 1, wherein the semi-rigid energy dissipation brace (2) and the rigid brace (1) are welded at both ends with steel rings (6) as connectors, and stiffening plates (7) for strengthening rigidity are arranged between the steel rings (6) and the semi-rigid energy dissipation brace (2) and the rigid brace (1).

7. The easy-to-repair buckling restrained brace structure as claimed in claim 1, wherein the outer wall of the semi-rigid brace (2) is uniformly provided with splayed through holes (5) along the axial direction.

8. The easily repaired buckling restrained brace structure of any one of claims 1-7, wherein the connector is a flange.