A scissor-type deformation amplification device for amplifying the energy dissipation effect of the damper

Abstract

The invention relates to a scissors-type deformation amplification device for amplifying the energy consumption effect of a damper. The device is arranged in a frame composed of two left and right structural columns and two upper and lower beams. The device includes a damper, a first support, a second The support, the third support, the fourth support, the cover plate and the anti-instability plate, the upper ends of the cover plate are respectively welded under the first support and the second support, and the middle part of the cover plate is respectively hinged with the two ends of the damper through the movable shaft. The lower end of the cover plate is welded with the upper end of the anti-instability plate, and the lower end of the anti-instability plate is welded with the third support or the fourth support respectively. Compared with the prior art, the device of the present invention can amplify the displacement of the damper to more than 2 times the interstory displacement, increase the energy consumption of the damper, and increase the additional damping ratio of the structure under wind load and earthquake; and adopt structural measures Prevent the device from being unstable out of the plane under rare earthquakes, and ensure the safety of the structure under rare earthquakes.

Description

technical field [0001] The invention relates to a device for amplifying the energy consumption effect of a damper, in particular to a scissor-type deformation amplification device for amplifying the energy consumption effect of a damper. Background technique [0002] Energy dissipation and shock absorption technology is one of the most mature high-tech technologies popularized and applied in the field of earthquake engineering in the world. It is called "one of the most important achievements of earthquake engineering in the world in the past 40 years" by American earthquake experts. [0003] As an energy dissipation and shock absorption product, dampers have been widely used in building structures and bridges, and have made important contributions to ensuring the safety of people's lives and property. However, because the damper can only exert a good energy dissipation effect under a large displacement, and currently the damper is mostly used in structures such as shear wal...

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Problems solved by technology

However, since no special structural measures are taken to prevent out-of-plane instability of the device, under the action of rare earthquakes, the structural deformation is large, which may cause excessive damping force, out-of-plane instability of the device, and the two ends of the damper cannot reach the expected The relative displacement and the energy consumption of the damper are smaller than expected, causing the structure to fail to meet the design performance goals and severely damaged under the action of rare earthquakes

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