CN210713319U

CN210713319U - Soft steel shearing damper with assembled structure

Info

Publication number: CN210713319U
Application number: CN201920994174.2U
Authority: CN
Inventors: 丁志桂; 江源; 王政
Original assignee: Shanghai Yingzhong Construction Technology Co Ltd
Current assignee: Shanghai Yingzhong Construction Technology Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-06-09
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a mild steel shearing damper with an assembly structure, which comprises a bending restraint device and is formed by symmetrically arranging two bending restraint components, wherein the bending restraint components are formed by symmetrically arranging two bending restraint plates, each bending restraint plate comprises a first steel plate and a second steel plate extending along the vertical direction of one side of the first steel plate, and the two first steel plates in the bending restraint components are positioned at the two sides of the second steel plate; the energy dissipation core material is positioned between the two bending restraint assemblies, two ends of the energy dissipation core material are connected with the two bending restraint assemblies through high-strength bolts, and the high-strength bolts sequentially penetrate through the second steel plate, the energy dissipation section bar and the second steel plate; and the bolts sequentially penetrate through the second steel plates of the two symmetrically-arranged bending restraint assemblies to connect the two bending restraint assemblies. The utility model discloses can eliminate welding residual stress and to the adverse effect of energy dissipation component, can improve the convenience of installation and shake the replaceability of back energy dissipation component simultaneously.

Description

Soft steel shearing damper with assembled structure

Technical Field

The utility model belongs to building structure damping device field, more specifically relates to a damper is cuted to mild steel of assembled structure.

Background

Energy dissipation and shock absorption of a building structure mean that a proper energy dissipation component is arranged in the building structure, energy input into the structure by an earthquake is guided to the energy dissipation component, and partial energy input into the structure by the earthquake is dissipated, so that a main body structure is protected, and the damage degree of the structure is reduced. The energy dissipation component can be composed of an energy dissipation and shock absorption device and supporting components such as inclined struts, walls, beams or nodes, wherein, steel has good hysteretic characteristic after entering a plastic state and can absorb a large amount of energy in the elastic-plastic hysteretic deformation process, so the energy dissipation component is widely used for manufacturing energy dissipation and shock absorbers with different types and structures. The metal shearing damper utilizes the plastic deformation energy consumption caused by the shearing yield of the energy consumption plate, the requirement on the material performance of the energy consumption plate is high, the energy consumption plate has good ductility, welding often damages the energy consumption plate which implements the energy consumption function, brittle failure is easily caused at the periphery of a welding line in the stress process, and the brittle failure is torn firstly, so that the damper enters a failure state in advance, and the dissipation of earthquake input energy is greatly not facilitated.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mild steel shear damper of assembled structure for weakening because external loads such as earthquake or strong wind act on building structure's vibration.

According to an aspect of the utility model, a mild steel shear damper of assembled structure is provided, include:

the bending restraining device is formed by symmetrically arranging two bending restraining components, each bending restraining component is formed by symmetrically arranging two bending restraining plates, each bending restraining plate comprises a first steel plate and a second steel plate extending along the vertical direction of one edge of the first steel plate, and the two first steel plates in the bending restraining components are positioned on two sides of the second steel plate;

the energy dissipation core material is positioned between the two bending restraint assemblies, two ends of the energy dissipation core material are connected with the two bending restraint assemblies through high-strength bolts, and the high-strength bolts sequentially penetrate through the second steel plate, the energy dissipation section bar and the second steel plate;

and the bolts sequentially penetrate through the second steel plates of the two symmetrically arranged bending restraint assemblies to connect the two bending restraint assemblies.

In some embodiments, the bending restraining assembly further comprises a connecting plate, and the high-strength bolt sequentially penetrates through the connecting plate and the second steel plates of the two symmetrically-arranged bending restraining assemblies.

In some embodiments, the holes of the connecting plate for mounting the high-strength bolts are long waist holes.

In some embodiments, a plurality of holes are formed in the bending restraint plate, and a plurality of holes are formed in the energy dissipation core material.

In some embodiments, the bolt coupling surfaces at the two ends of the energy-dissipating core plate are roughened.

In some embodiments, the surface of the energy dissipating core is coated with a layer of non-adhesive material having a coefficient of friction of 0.01 to 0.1.

In some embodiments, the thickness of the layer of unbonded material is 0.5 mm.

The beneficial effects are as follows: the utility model discloses can eliminate welding residual stress and to the adverse effect of energy dissipation component, can improve the convenience of installation and shake the replaceability of back energy dissipation component simultaneously.

The utility model can effectively eliminate the adverse effect of the residual stress after welding on the energy dissipation core material in the traditional metal shear damper manufacturing process; the energy dissipation effect of the energy dissipation core material is maximized, and the possibility that the damper fails in advance due to tearing of the welding seam is reduced.

The utility model discloses a bolt connected mode, the processing production preparation of being convenient for, in addition, if can change conveniently after power consumption core or other subassemblies receive destruction, reuse rate is high, more has economic nature and security.

Drawings

Fig. 1 is a schematic front view of a mild steel shear damper of fabricated construction according to an embodiment of the present invention;

fig. 2 is a schematic top view of a mild steel shear damper of fabricated construction according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a fabricated structural mild steel shear damper in accordance with an embodiment of the present invention;

fig. 4 is a schematic structural view of a connection plate of a mild steel shear damper of a fabricated structure according to an embodiment of the present invention.

Detailed Description

Fig. 1 to 4 schematically show a fabricated structure mild steel shear damper according to an embodiment of the present invention. As shown in fig. 1 to 4, the mild steel shear damper of the fabricated structure includes a bending restraint device 1, an energy dissipation core material 2, a fixed connection plate 3, and a high-strength bolt 4.

The bending restraint device 1 is formed by symmetrically arranging two bending restraint assemblies 10. The bending restraint assembly 10 is formed by symmetrically arranging two bending restraint plates 101. The bending restraint plate 101 includes a first steel plate 1011 and a second steel plate 1012 extending in a vertical direction along one side of the first steel plate 1011. The bending restraining plate 101 has a plurality of holes, and specifically, the first steel plate 1011 has a plurality of holes 1013. Two first steel plates 1011 in the bending restraint assembly 10 are located on two sides of the second steel plate 1012, two second steel plates 1012 in the bending restraint assembly 10 are located on the same plane, and the two first steel plates 1011 in the bending assembly 10 are arranged in parallel. The energy dissipation core material 2 is located between the two bending constraint assemblies, two ends of the energy dissipation core material are connected with the two bending constraint assemblies 10 through high-strength bolts 4, and specifically, the high-strength bolts sequentially penetrate through the second steel plate 1012 in one bending constraint assembly 10, the energy dissipation section material 2 and the second steel plate 1012 in the other bending constraint assembly 10 to connect the two bending constraint assemblies. The bolt connecting surfaces at the two ends of the energy-consuming core plate 2 are subjected to rough surface treatment so as to increase the friction force between the energy-consuming core plate and a bending piece. The energy dissipation core material 2 is provided with a plurality of holes 21. The surface of the energy dissipation core material 2 is wrapped with a non-adhesive material layer, and the friction coefficient of the energy dissipation core material is 0.01-0.1. The thickness of the non-adhesive material layer was 0.5 mm. The bolts 5 pass through the second steel plates 1012 of the two symmetrically arranged bending restraint assemblies in sequence to connect the two bending restraint assemblies. When the fixed connection plate 3 is provided, the bolts 5 pass through the second steel plates 1012 of the connection and two symmetrically arranged bending restraining assemblies 10 in sequence. The hole of the fixed connecting plate 3 for installing the bolt 5 is a long waist hole 31. The on-site installation is convenient, the constraint effect of the core plate 2 on the energy consumption is reduced when the core plate is subjected to shearing stress, and the energy consumption is facilitated.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A fabricated structure mild steel shear damper, comprising:

2. The fabricated soft steel shear damper of claim 1, further comprising a connection plate, wherein the high strength bolts pass through the connection and the second steel plates of the two symmetrically disposed bend restraint assemblies in sequence.

3. The fabricated structure mild steel shear damper according to claim 2, wherein the holes of the connection plate for mounting the high-strength bolts are long kidney holes.

4. The fabricated structure mild steel shear damper according to claim 1, wherein a plurality of holes are formed in the bending restraint plate, and a plurality of holes are formed in the energy dissipation core material.

5. The fabricated structure mild steel shear damper according to claim 1, wherein bolt coupling surfaces at both ends of the dissipative core are roughened.

6. The fabricated structure mild steel shear damper according to claim 1, wherein said dissipative core material is coated with a non-adhesive material layer having a coefficient of friction of 0.01 to 0.1.

7. The fabricated structure mild steel shear damper of claim 6, wherein said unbonded material layer has a thickness of 0.5 mm.