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Gapped friction damper with additional rigidity

A friction damper and clearance technology, applied in building components, anti-vibration, building types, etc., can solve the problems that friction dampers cannot provide additional stiffness, the thickness of laminated friction dampers is large, and the overall performance is poor. The effect of uniform tensile and compressive stress in the board and convenient processing

Active Publication Date: 2021-07-13
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the problems that the traditional friction damper cannot provide additional stiffness and the thickness of the laminated friction damper is relatively large, the overall performance is poor, the stiffness is small and easy to be damaged, etc., and the invention proposes a friction damper with a gap with additional stiffness

Method used

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  • Gapped friction damper with additional rigidity
  • Gapped friction damper with additional rigidity
  • Gapped friction damper with additional rigidity

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Embodiment 1

[0046] like Figure 1-8 Shown: a friction damper with gap with additional stiffness, including outer cover steel plate 1, friction plate 2, I-shaped plate 3, rectangular steel plate 4, one-shaped plate 5, U-shaped plate 6, high-strength friction bolt 7 .

[0047] The outer cover steel plate 1 includes a circular hole C11-1, a rectangular hole R11-2, a rectangular hole R21-3 and a circular hole C21-4. Round hole C11-1, rectangular hole R11-2, rectangular hole R21-3 and round hole C21-4 are arranged symmetrically about the axis of symmetry in the length direction of outer cover steel plate 1, and round hole C11-1 and round hole C21-4 are arranged along the outer cover steel plate The length direction of 1 is evenly arranged, and the distance between the centers of adjacent circular holes is equal. The friction plate 2 includes a rectangular hole R32-1, a circular hole C32-2, a circular hole C42-3 and a rectangular hole R42-4. Rectangular hole R32-1, circular hole C32-2, circu...

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Abstract

The invention discloses a gapped friction damper with additional rigidity. The gapped friction damper comprises an outer cover steel plate, a friction plate, an I-shaped plate, rectangular steel sheets, a linear plate, a U-shaped plate and friction high-strength bolts, wherein the outer cover steel plate, the I-shaped plate, the rectangular steel sheets, the linear plate and the U-shaped plate are sequentially stacked from top to bottom and are symmetrically distributed by taking the linear plate and the U-shaped plate as centers. The outer cover steel plate, an outer side rectangular steel sheet and the U-shaped plate are fixed through outer side friction high-strength bolts; the friction plate, an inner side rectangular steel sheet and the linear plate are fixed through inner side friction high-strength bolts; and the I-shaped plate is placed on the upper sides and the lower sides of the linear plate and the U-shaped plate. Compared with a traditional friction damper, the I-shaped plate is pulled in the loading process, the rigidity of a main body structure can be improved while another energy dissipation defense line is provided, and the anti-seismic property of the main body structure is improved.

Description

technical field [0001] The invention belongs to the field of civil engineering, and relates to a friction damper with additional rigidity for reducing the seismic response of engineering structures. Background technique [0002] Due to the strong suddenness, heavy casualties, and huge economic losses, the earthquake has a wider and stronger social impact than other natural disasters, and often produces a series of chain reactions, which have a negative impact on the social activities and economic development of a region or even a country. The event had a huge impact. In the anti-seismic field of construction engineering, shock absorption technology can effectively reduce earthquake disasters. At present, friction dampers are the most important shock absorption devices. Friction dampers are a type of dampers that use the friction force generated by the relative action of friction surfaces in a pressurized environment to convert the external input energy into heat energy so a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/98E04H9/02
CPCE04B1/98E04H9/02E04H9/021
Inventor 刘烨卢宇杰韩同宸孙童非熊峰
Owner SICHUAN UNIV
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