CN213234454U

CN213234454U - Buckling restrained brace structure

Info

Publication number: CN213234454U
Application number: CN202120559356.4U
Authority: CN
Inventors: 王丽筠; 罗强; 刘伟; 王奎栋; 郭晨骁; 张涛; 文劲博; 刘光宇; 张巧霞; 祁志超; 吴尚; 洪彪
Original assignee: Beijing Construction Engineering Group Co Ltd
Current assignee: Beijing Construction Engineering Group Co Ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-05-18
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses a bucking restraint bearing structure relates to building earthquake-resistant structure technical field. Including supporting the main part and installing lower steel column bracket and last steel column bracket on cylinder and roof beam body, be provided with first connection reinforcement and second connection reinforcement on lower steel column bracket and the last steel column bracket respectively, support the main part both ends and be provided with respectively with lower steel column bracket and last steel column bracket adaptation's lower clutch and top connection. First connection reinforcement includes two first interim cardboards and two first limiting plates. The utility model discloses a set up first interim card horse, first limiting plate, the interim card horse of second and second limiting plate isotructure, can support fixedly in advance through first interim card horse isotructure after supporting the main part both ends location. Wherein, the first interim karma, the interim karma of second bear the buckling support dead weight, and first limiting plate and second limiting plate play limiting displacement, have promoted the installation accuracy, greatly reduced the construction degree of difficulty.

Description

Buckling restrained brace structure

Technical Field

The utility model relates to a building earthquake-resistant structure technical field especially relates to a bucking restraint bearing structure.

Background

The buckling restrained brace is also called as an anti-buckling brace, on one hand, the buckling restrained brace can avoid the defect that the difference of the bearing force of the common brace is obvious, on the other hand, the buckling restrained brace has the energy consumption capacity of a metal damper and can be used as a fuse in the structure, so that the main body structure is basically in the elastic range. Therefore, the buckling restrained brace can comprehensively improve the seismic performance of the traditional brace frame under the conditions of medium and large earthquakes, the traditional buckling restrained brace mostly adopts direct welding connection, so that the dislocation is easy to occur, and the structural firmness cannot meet the requirement. In addition, when the partially-bent supports are distributed in the structure, the existing members which are installed in place cannot be used for hoisting in the installation process, and if the main body steel frame structure is installed after being completely installed, the installation difficulty is high and the accuracy is difficult to guarantee.

Through search, the patent with the Chinese patent application number of CN201921170337.1 discloses a parallel buckling restrained brace. The specifications of the first buckling restrained brace and the second buckling restrained brace are completely the same, the first buckling restrained brace and the second buckling restrained brace are arranged in parallel, the top ends of the first buckling restrained brace and the second buckling restrained brace are connected with the upper end gusset plate, the bottom ends of the first buckling restrained brace and the second buckling restrained brace are connected with the lower end gusset plate, the upper end gusset plate is connected with the upper end beam, the lower surface of the lower end gusset plate is connected with the supporting platform, stand columns are arranged on two sides of the supporting platform respectively, the top ends of the stand columns are connected with two ends of the upper end beam, the outer side of the lower end gusset plate is connected with the stand columns, and the first buckling restrained brace, the second buckling restrained brace, the upper end gusset plate and the lower end gusset plate are arranged between the upper end beam and the supporting platform in. The buckling restrained brace in the above patent suffers from the following disadvantages: the direct welding connection is adopted, so that dislocation is easy to occur, and the structural firmness is still required to be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a buckling restrained brace structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a buckling restrained brace structure comprises a brace main body, a lower steel column bracket and an upper steel column bracket, wherein the lower steel column bracket and the upper steel column bracket are arranged on a column body and a beam body; the first connecting reinforcing member comprises two first temporary clamping horses and two first limiting plates, the two first temporary clamping horses and the two first limiting plates are symmetrically welded on the outer walls of the two sides of the lower steel column bracket, the distance between the two first limiting plates and the two first temporary clamping horses is matched with the size of the lower connector, and the supporting main body is inserted between the two first limiting plates and the two first temporary clamping horses through the lower connector and then welded on the outer wall of one side of the lower steel column bracket; the reinforcement is connected to the second includes two interim karts of second and two second limiting plates, and the both sides outer wall in last steel column bracket that welds of two interim karts of second and two equal symmetries of second limiting plate, and the interval of two interim karts of second limiting plates and two second and the size adaptation of top connection, support the main part and peg graft in two interim karts of second and two second between the back welding in last steel column bracket one side outer wall through the top connection.

As a further aspect of the present invention: the first temporary clamping horse and the second temporary clamping horse are respectively positioned at the lower part and the upper part of the lower joint and the upper joint.

As a further aspect of the present invention: the lower joint and the upper joint are both in a cross structure; the outer walls of the two sides of the lower steel column bracket and the upper steel column bracket are integrally provided with two symmetrical reinforcing ribs which are obliquely arranged and are respectively positioned between the first limiting plate and the first temporary clamping horse and between the second limiting plate and the second temporary clamping horse; the edge integral type of lower steel column bracket and last steel column bracket is provided with the reinforcement eaves.

As a further aspect of the present invention: first pilot holes have been seted up to lower steel column bracket and last steel column bracket one side outer wall.

As a further aspect of the present invention: the edge groove has all been seted up to the side outer wall once of first interim karma and the interim karma of second, and second pilot hole has all been seted up to first interim karma and the interim karma one side outer wall of second.

As a further aspect of the present invention: the edge groove is in an arch structure.

As a further aspect of the present invention: two symmetrical lifting lugs are welded on the outer wall of one side of the supporting main body.

As a further aspect of the present invention: the first temporary clamping horse is made of a steel plate with the material Q235B.

The utility model has the advantages that:

1. the utility model discloses a through setting up first interim card horse, first limiting plate, second interim card horse and second limiting plate isotructure, can support fixedly in advance through first interim card horse isotructure after supporting the main part both ends location, wherein, first interim card horse, second interim card horse bear buckling restrained brace dead weight; the first limiting plate and the second limiting plate play a limiting role; the installation precision is improved, and the construction difficulty is greatly reduced.

2. By arranging the reinforcing ribs and other structures, the positioning can be facilitated, the auxiliary supporting effect is achieved, the local bearing capacity is enhanced, and the reliability and the practicability are improved; through setting up edge groove isotructure, when can playing to subtract heavy, the firmness of guarantee structure has further promoted reliability and practicality.

3. Through setting up the lug, can be convenient for through lifting by crane the installation location, avoid adopting wire rope staple bolt buckling support, lead to destroying the phenomenon of surface paint coating, promote the reliability.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

fig. 1 is a schematic structural view illustrating an installation of a buckling restrained brace structure according to the present invention;

fig. 2 is a schematic structural view of the buckling restrained brace structure according to the present invention;

fig. 3 is a schematic structural view of a lower steel column bracket of a buckling restrained brace structure according to the present invention;

fig. 4 is the utility model provides a structural schematic of steel column bracket on bucking restraint bearing structure.

In the figure: the steel column bracket is arranged on the supporting main body 1, the lower steel column bracket 2, the lifting lug 3, the column 4, the beam 5 and the upper steel column bracket 6, the reinforcing eave 7, the first limiting plate 8, the lower joint 9, the first temporary clamping horse 10, the reinforcing rib 11, the second limiting plate 12, the first assembling hole 13, the edge groove 14, the temporary clamping horse 15, the second assembling hole 16 and the upper joint 17.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

A buckling restrained brace comprises a brace main body 1, a lower steel column bracket 2 and an upper steel column bracket 6 which are arranged on a column body 4 and a beam body 5, wherein the lower steel column bracket 2 and the upper steel column bracket 6 are respectively provided with a first connecting reinforcing part and a second connecting reinforcing part, and the two ends of the brace main body 1 are respectively provided with a lower joint 9 and an upper joint 17 which are matched with the lower steel column bracket 2 and the upper steel column bracket 6. First connection reinforcement includes two first interim karts 10 and two first limiting plates 8, the equal symmetry of two first interim karts 10 and two first limiting plates 8 weld in the both sides outer wall of lower steel column bracket 2, and the interval of two first limiting plates 8 and two first interim karts 10 and the size adaptation of lower clutch 9, support main part 1 and peg graft in two first limiting plates 8 and two first interim karts 10 between the back weld in 2 one side outer walls of lower steel column bracket through lower clutch 9. The reinforcement is connected to the second includes two interim karts 15 of second and two second limiting plates 12, the equal symmetry of two interim karts 15 of second and two second limiting plates 12 weld in the both sides outer wall of last steel column bracket 6, and the interval of two interim karts 12 of second and two second 15 and the size adaptation of top connection 17, support main part 1 and peg graft in two interim karts 12 of second and two second 15 between the back weld in the outer wall of 6 one sides of last steel column bracket through top connection 17. The first temporary bridge 10 and the second temporary bridge 15 are located obliquely below the lower joint 9 and the upper joint 17, respectively. Through setting up first interim karma 10, first limiting plate 8, interim karma 15 of second and second limiting plate 12 isotructures, can support fixedly in advance through first interim karma 10 isotructures after supporting 1 both ends location. Wherein, the interim kart of first interim kart 10, the interim kart 15 of second bears the buckling restrained brace dead weight, and first limiting plate 8 and second limiting plate 12 play limiting displacement, have promoted the installation accuracy, greatly reduced the construction degree of difficulty.

To further enhance structural integrity, as shown in fig. 2-4. The lower joint 9 and the upper joint 17 are both in a cross-shaped structure. The reinforcing ribs 11 of two symmetries are arranged on the outer walls of the two sides of the lower steel column bracket 2 and the outer walls of the two sides of the upper steel column bracket 6 in a uniform mode, the reinforcing ribs 11 are obliquely arranged, and the reinforcing ribs 11 are respectively located between the first limiting plate 8, the first temporary clamping horse 10, the second limiting plate 12 and the second temporary clamping horse 15. Lower steel column bracket 2 and the edge integral type of going up steel column bracket 6 are provided with and consolidate eaves 7, and first pilot hole 13 has been seted up to lower steel column bracket 2 and the outer wall of 6 one sides of last steel column bracket. Through setting up reinforcing rib 11 isotructure, can be convenient for fix a position, and play the effect of auxiliary stay, strengthened local bearing capacity, promoted reliability and practicality.

To further improve the reliability, fig. 3 and 4 show the following. The outer wall of the primary side of the first temporary clamping horse 10 and the second temporary clamping horse 15 is provided with an edge groove 14, the edge groove 14 is of an arch structure, and the outer wall of one side of the first temporary clamping horse 10 and the outer wall of one side of the second temporary clamping horse 15 are provided with a second assembling hole 16. Through setting up edge groove 14 isotructures, can play when losing weight, guarantee the firmness of structure, further promoted reliability and practicality.

For improving the practicability, as shown in fig. 1 and 2. The outer wall of one side of the support main body 1 is welded with two symmetrical lifting lugs 3; through setting up lug 3, can be convenient for through lifting by crane the installation location, avoid adopting wire rope staple bolt buckling support, lead to destroying the phenomenon of surface paint coating, promote the reliability.

The first temporary bridge 10 is made of a steel plate with Q235B or other suitable materials with similar characteristics.

The working principle is as follows: during installation, firstly, on-site measurement is carried out to reserve the node distance for rechecking, the length of the node plate is corrected according to actual conditions, a lifting rope is installed on a lifting lug 3 of a supporting main body 1 through a lifting hook, four points of supporting and installation are lifted by utilizing a tower crane to be installed in place, two steel wire ropes at the lower end adopt an adjusting hoist as a movable adjusting rigging, during lifting, the installation posture of the supporting main body 1 is adjusted, the supporting main body 1 is lifted to a specified position, the supporting main body 1 is preliminarily fixed, the position of the supporting main body 1 is accurately adjusted, and the buckling restrained brace is finally welded and fixed to.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A buckling restrained brace structure comprises a brace main body (1), a lower steel column bracket (2) and an upper steel column bracket (6) which are arranged on a column body (4) and a beam body (5), and is characterized in that the lower steel column bracket (2) and the upper steel column bracket (6) are respectively provided with a first connecting reinforcing member and a second connecting reinforcing member, and two ends of the brace main body (1) are respectively provided with a lower joint (9) and an upper joint (17) which are matched with the lower steel column bracket (2) and the upper steel column bracket (6); the first connecting reinforcing member comprises two first temporary clamping horses (10) and two first limiting plates (8), the two first temporary clamping horses (10) and the two first limiting plates (8) are symmetrically welded on the outer walls of the two sides of the lower steel column bracket (2), the distance between the two first limiting plates (8) and the two first temporary clamping horses (10) is matched with the size of the lower connector (9), and the supporting main body (1) is inserted between the two first limiting plates (8) and the two first temporary clamping horses (10) through the lower connector (9) and then welded on the outer wall of one side of the lower steel column bracket (2); the reinforcement is connected to the second includes two interim karts (15) of second and two second limiting plate (12), two the both sides outer wall in last steel column bracket (6) of welding of the equal symmetry of second interim kart (15) and two second limiting plate (12), and the interval of two interim karts (12) of second and two second (15) and the size adaptation of top connection (17), support main part (1) and peg graft in the postwelding between two interim karts (12) of second and two second (15) through top connection (17) and go up the outer wall in last steel column bracket (6) one side.

2. A buckling-restrained brace structure according to claim 1, wherein the first temporary snap horse (10) and the second temporary snap horse (15) are located obliquely below the lower joint (9) and the upper joint (17), respectively.

3. A buckling restrained brace structure according to claim 2, wherein the lower joint (9) and the upper joint (17) are each of cruciform configuration; two symmetrical reinforcing ribs (11) are uniformly arranged on the outer walls of the two sides of the lower steel column bracket (2) and the upper steel column bracket (6), the reinforcing ribs (11) are obliquely arranged, and the reinforcing ribs (11) are respectively positioned between a first limiting plate (8) and a first temporary clamping horse (10) and between a second limiting plate (12) and a second temporary clamping horse (15); the edge of the lower steel column bracket (2) and the edge of the upper steel column bracket (6) are integrally provided with a reinforcing eave (7).

4. A buckling restrained brace structure according to claim 3, wherein the outer walls of one side of the lower steel column bracket (2) and the upper steel column bracket (6) are provided with first assembling holes (13).

5. The buckling restrained brace structure of claim 4, wherein the outer walls of the primary sides of the first temporary clamping device (10) and the second temporary clamping device (15) are respectively provided with an edge groove (14), and the outer walls of one sides of the first temporary clamping device (10) and the second temporary clamping device (15) are respectively provided with a second assembly hole (16).

6. A buckling restrained brace structure according to claim 5, wherein said edge slot (14) is of an arch configuration.

7. A buckling restrained brace structure according to claim 6, wherein two symmetrical lifting lugs (3) are welded to the outer wall of one side of the brace body (1).

8. A buckling restrained brace structure according to any one of claims 1 to 7, wherein said first temporary bridge (10) is of steel plate material Q235B.