Multi-buffering reset bridge anti-seismic device: Fid-Bau Portal

Multi-buffering reset bridge anti-seismic device

WANG LIANGNI / YE XIAOHANG / CHEN XIAOGANG / LIU KANG

The invention relates to the technical field of bridge earthquake prevention, in particular to a multi-buffering reset device which comprises steel corbels, combined connecting steel, rectangular carbon steel, steel springs, hollow single-opening cylindrical steel, circular ring carbon steel, vertical high-performance buffering blocks, supporting steel springs, annular composite damping blocks, carbon steel balls and carbon steel ball connecting steel. The interior of the cylindrical steel is connected with the carbon steel and the annular composite damping block through the steel spring and the carbon steel ball connecting steel, the exterior of the cylindrical steel is connected with the rectangular carbon steel through the steel spring, and the lower portion of the cylindrical steel is connected with the supporting steel spring fixed to the vertical high-performance buffer block through the carbon steel ball connecting steel. The damage of the bridge in the longitudinal direction, the transverse direction and the vertical direction is within an acceptable range, earthquake energy in the three directions is limited and consumed, and no damage is caused to the bridge piers.

本发明涉及桥梁防震技术领域，尤其涉及一种多重缓冲复位装置，包括钢牛腿、组合连接钢、矩形碳素钢、钢弹簧、中空单开口的圆柱钢、圆环碳素钢、竖向高性能缓冲块、支撑钢弹簧、环形复合阻尼块、碳素钢球、碳素钢球连接钢，所述圆柱钢内部通过钢弹簧与碳素钢球连接钢连接碳素钢和环形复合阻尼块，所述圆柱钢外部通过钢弹簧与矩形碳素钢连接，下部通过碳素钢球连接钢与固定在竖向高性能缓冲块上的支撑钢弹簧连接。本发明保证桥梁在顺桥向，横桥向和竖向的损坏处于可接受范围内，限制并消耗三向的地震的能量，确保不会对桥墩造成伤害。

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