Shock absorption and isolation damper, shock absorption and isolation device and mounting method of shock absorption and isolation device: Fid-Bau Portal

Shock absorption and isolation damper, shock absorption and isolation device and mounting method of shock absorption and isolation device

LI CHENGGEN / GAO RI / CHEN ZIHENG / ZHAO QIGUANG / LI QI / GAO SIYANG

Abstract

The invention discloses a shock absorption and isolation damper, a shock absorption and isolation device and a mounting method of the shock absorption and isolation device. The shock absorption and isolation damper comprises a spiral shock absorption and isolation main body rotating by a circle, the surface of the spiral shock absorption and isolation main body is a smooth cambered surface, when the shock absorption and isolation main body is stressed to deform, two thirds or more of the section is a deformation energy consumption section, and the shock absorption and isolation main body is provided with two end parts spaced up and down; the two end parts are each connected with a force transmission connecting part; the shock absorption and isolation device comprises a shock absorption and isolation support, the shock absorption and isolation support comprises an upper base plate and a lower base plate, at least one shock absorption and isolation damper is connected between the outer edge of the upper base plate and the outer edge of the lower base plate, and the two force transmission connecting parts of each shock absorption and isolation damper are connected with the upper base plate and the lower base plate through connecting pieces respectively. The shock absorption and isolation device is simple in structure and convenient to replace, is not limited by the height of the support, can achieve energy dissipation and shock absorption in any horizontal direction, can effectively prolong the structural period, provides a stable and higher damping ratio, and can achieve effective control over damping force, horizontal displacement, plastic deformation, the damping ratio and other parameters through computational analysis and tests.

本发明公开了一种减隔震阻尼器、减隔震装置及其安装方法，减隔震阻尼器包括旋转一圈的螺旋状减隔震主体，其表面为光滑弧面，减隔震主体在受力变形时有三分之二以上的区段为变形耗能段，减隔震主体具有两个上、下间隔的端部，两个端部分别连接传力连接部；减隔震装置包括减隔震支座，减隔震支座包括上座板和下座板，上、下座板的外缘之间连接有至少一个减隔震阻尼器，各减隔震阻尼器的两个传力连接部分别通过连接件与上、下座板连接。本发明结构简洁、更换方便，不受支座高度限制，任意水平方向均可实现耗能减震，可有效延长结构周期，提供稳定和更高阻尼比，可由计算分析和试验实现对阻尼力、水平位移、塑性变形、阻尼比等参数的有效控制。

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