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Drum type metal rubber shear friction damper

A friction damper, metal rubber technology, applied in building components, anti-vibration and other directions, can solve the problems of use limitation, small vibration deformation energy consumption effect is not obvious, etc., to achieve large deformation capacity, full hysteresis curve, obvious energy consumption. Effect

Inactive Publication Date: 2014-04-02
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] As an energy-dissipating element of a multi-story steel frame, the traditional viscous damper has good energy-dissipating performance, but its energy-dissipating effect in small vibration deformation is not obvious, so its use in engineering is limited

Method used

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  • Drum type metal rubber shear friction damper
  • Drum type metal rubber shear friction damper

Examples

Experimental program
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Effect test

Embodiment 1

[0014] A cylindrical metal rubber shear friction damper, including an upper semicircular clamping steel sleeve 1, a lower semicircular clamping steel sleeve 4, two cylindrical metal rubber blocks 3 and two threaded steel bars 2 , two cylindrical metal rubber blocks 3 are placed in the cylinder formed by the upper and lower semicircular clamping steel sleeves 1, 4, each cylindrical metal rubber block 3 is provided with a threaded steel bar 2, the upper and lower The cylinder formed by the lower two semicircular clamping steel sleeves 1 and 4 is connected with fastening bolts; the outer side of the threaded steel bar uses bolts to apply axial pre-tightening force to squeeze the metal rubber block, so that the entire cylinder Embedded connection of type metal rubber shear friction damper.

Embodiment 2

[0016] The cylindrical metal rubber block is made by weaving the stretched helical metal wire with good quality in a certain way, and then formed by cold stamping process; the semicircular clamping steel sleeve is made of ordinary steel, and a certain number of bolts are opened. hole for connection. The cylindrical metal rubber block is directly placed inside the semicircular clamping steel casing; and the two semicircular clamping steel casings are connected by bolts; the cylindrical metal rubber shear friction damper metal rubber block and its subsidiary structure The connection is embedded and connected by the extrusion of two tightened steel sleeves and the middle threaded steel bar, and there is no other connection measure.

[0017] Experiments have proved that the cylindrical metal-rubber shear friction damper proposed by the present invention can properly improve the traditional viscous damper. By replacing the ordinary rubber with metal rubber, the traditional viscous ...

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Abstract

The invention provides a drum type metal rubber shear friction damper which comprises an upper semicircular clamping steel sleeve, a lower semicircular clamping steel sleeve, two drum type metal rubber blocks and two threaded steel bars. The two drum type metal rubber blocks are placed in a drum formed by the upper semicircular clamping steel sleeve and the lower semicircular clamping steel sleeve, each threaded steel bar is arranged on the corresponding drum type metal rubber block, and the upper semicircular clamping steel sleeve and the lower semicircular clamping steel sleeve are connected with each other by fastening bolts to form the drum. The drum type metal rubber shear friction damper has the various advantages that the drum type metal rubber shear friction damper is high in initial stiffness and deformation capacity, obvious in small-vibration deformation energy dissipation effect and good in energy dissipation capacity, and is an excellent energy dissipation element, hysteric curves are full, and the like.

Description

technical field [0001] The invention relates to the technical field of structural engineering, in particular to a cylindrical metal rubber shear friction damper. Background technique [0002] As energy-dissipating elements of multi-story steel frames, traditional viscous dampers have good energy-dissipating performance, but their energy-dissipating effect is not obvious when small vibration deformation occurs, which limits their use in engineering. The invention proposes a damper, which is mainly composed of steel plates and metal rubber blocks, has the vibration damping and buffering performance of rubber, high and low temperature resistance, corrosion resistance, and unlimited shelf life. The technical problem of aging due to changes and environmental pollution; 1. The present invention can reduce the vibration magnitude. The invention has a simple structure. When the metal rubber block is deformed by force, the metal filaments rub against each other, and the sliding and ...

Claims

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Application Information

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IPC IPC(8): E04B1/98
Inventor 李冀龙欧进萍廖云飞张剑菲王东志
Owner HARBIN INST OF TECH
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