Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Three-dimensional variable-rigidity self-resetting shock isolation device
The invention provides a three-dimensional variable-rigidity self-resetting seismic isolation device. In the device, the upper end of a vertical quasi-zero stiffness vibration isolator is arranged on an upper connecting flange in a sliding and sleeving manner; the lower end of the vertical quasi-zero stiffness vibration isolator is connected with the lower connecting flange through the horizontal vibration isolator; the upper connecting flange is connected with an upper structure of a bridge, and the lower connecting flange is connected with a pier for supporting the bridge; in the vertical quasi-zero stiffness vibration isolator, a sliding barrel is of a barrel structure, a middle supporting block and a vertical disc spring set are installed in the barrel structure in the axial direction, the top face of the middle supporting block is connected with an upper connecting flange, the bottom face of the middle supporting block abuts against the vertical disc spring set, and the vertical disc spring set abuts against the barrel structure. A segmented nonlinear guide rail is arranged on the inner side wall of the barrel structure, at least three mounting grooves are evenly distributed in the middle supporting block, the mounting grooves extend in the radial direction, pre-compression horizontal spiral spring sets and horizontal sliding blocks are mounted in the mounting grooves, the ends, extending out of the mounting grooves, of the horizontal sliding blocks abut against the segmented nonlinear guide rail, and the pre-compression horizontal spiral spring sets are pressed in the mounting grooves.
本申请提供一种三维变刚度自复位隔震装置。该装置中，竖向准零刚度隔震器的上端滑动套装于上连接法兰上；竖向准零刚度隔震器的下端通过水平隔震器与下连接法兰连接；上连接法兰与桥梁的上部结构连接，下连接法兰与支撑桥梁的桥墩连接；竖向准零刚度隔震器中，滑桶为桶装结构，中间支撑块、竖向碟簧组沿轴向安装于桶装结构内，中间支撑块的顶面与上连接法兰连接，底面与竖向碟簧组抵接，竖向碟簧组与桶装结构抵接；桶装结构的内侧壁设有分段非线性导轨，中间支撑块上均布至少三个安装槽，安装槽沿径向延伸，内部安装预压缩水平螺旋弹簧组和水平滑块，水平滑块伸出安装槽的一端与分段非线性导轨抵接，将预压缩水平螺旋弹簧组压紧在安装槽内。
Three-dimensional variable-rigidity self-resetting shock isolation device
The invention provides a three-dimensional variable-rigidity self-resetting seismic isolation device. In the device, the upper end of a vertical quasi-zero stiffness vibration isolator is arranged on an upper connecting flange in a sliding and sleeving manner; the lower end of the vertical quasi-zero stiffness vibration isolator is connected with the lower connecting flange through the horizontal vibration isolator; the upper connecting flange is connected with an upper structure of a bridge, and the lower connecting flange is connected with a pier for supporting the bridge; in the vertical quasi-zero stiffness vibration isolator, a sliding barrel is of a barrel structure, a middle supporting block and a vertical disc spring set are installed in the barrel structure in the axial direction, the top face of the middle supporting block is connected with an upper connecting flange, the bottom face of the middle supporting block abuts against the vertical disc spring set, and the vertical disc spring set abuts against the barrel structure. A segmented nonlinear guide rail is arranged on the inner side wall of the barrel structure, at least three mounting grooves are evenly distributed in the middle supporting block, the mounting grooves extend in the radial direction, pre-compression horizontal spiral spring sets and horizontal sliding blocks are mounted in the mounting grooves, the ends, extending out of the mounting grooves, of the horizontal sliding blocks abut against the segmented nonlinear guide rail, and the pre-compression horizontal spiral spring sets are pressed in the mounting grooves.
本申请提供一种三维变刚度自复位隔震装置。该装置中，竖向准零刚度隔震器的上端滑动套装于上连接法兰上；竖向准零刚度隔震器的下端通过水平隔震器与下连接法兰连接；上连接法兰与桥梁的上部结构连接，下连接法兰与支撑桥梁的桥墩连接；竖向准零刚度隔震器中，滑桶为桶装结构，中间支撑块、竖向碟簧组沿轴向安装于桶装结构内，中间支撑块的顶面与上连接法兰连接，底面与竖向碟簧组抵接，竖向碟簧组与桶装结构抵接；桶装结构的内侧壁设有分段非线性导轨，中间支撑块上均布至少三个安装槽，安装槽沿径向延伸，内部安装预压缩水平螺旋弹簧组和水平滑块，水平滑块伸出安装槽的一端与分段非线性导轨抵接，将预压缩水平螺旋弹簧组压紧在安装槽内。
Three-dimensional variable-rigidity self-resetting shock isolation device
一种三维变刚度自复位隔震装置
WANG LEI (Autor:in) / ZHANG ZHENHUA (Autor:in) / SHENG PIAO (Autor:in) / DING LIANJIE (Autor:in) / WANG QINTING (Autor:in) / QIAN HUI (Autor:in) / FAN YUHUI (Autor:in)
19.09.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E01D
BRIDGES
,
Brücken
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