Anti-overturning support for bridge: Fid-Bau Portal

Anti-overturning support for bridge

The invention discloses an anti-overturning support for a bridge. The anti-overturning support comprises an upper connecting component connected with a beam body and a lower connecting component connected with a bent cap, and a rubber block is arranged between the upper connecting component and the lower connecting component; an upper arc-shaped protruding block protruding upwards is arranged on the upper side of the rubber block, a lower arc-shaped protruding block protruding downwards is arranged on the lower side of the rubber block, and the upper arc-shaped protruding block and the lower arc-shaped protruding block are symmetrically arranged; the left side of the rubber block is provided with a left side arc-shaped groove which is inwards recessed rightwards, the right side of the rubber block is provided with a right side arc-shaped groove which is inwards recessed leftwards, and the left side arc-shaped groove and the right side arc-shaped groove are symmetrically arranged; and the upper arc-shaped protruding block, the lower arc-shaped protruding block, the left arc-shaped groove and the right arc-shaped groove all penetrate through the rubber block in the driving direction, and the connecting line of the center points of the upper arc-shaped protruding block and the lower arc-shaped protruding block and the connecting line of the center points of the left arc-shaped groove and the right arc-shaped groove intersect at the central axis of the rubber block.

本发明公开了一种桥梁用抗倾覆支座，其特征在于：包括与梁体连接的上连接构件和与盖梁连接的下连接构件，所述上连接构件与下连接构件之间设置有橡胶块；所述橡胶块的上侧具有向上突出的上部弧形凸块，所述橡胶块的下侧具有向下突出的下部弧形凸块，所述上部弧形凸块和下部弧形凸块对称设置；所述橡胶块的左侧设置有向右内凹的左侧弧形凹槽，所述橡胶块的右侧设置有向左内凹的右侧弧形凹槽，所述左侧弧形凹槽和右侧弧形凹槽对称设置；其中，所述上部弧形凸块、下部弧形凸块与左侧弧形凹槽、右侧弧形凹槽均沿行车方向贯穿所述橡胶块，所述上部弧形凸块和下部弧形凸块的中心点连线与左侧弧形凹槽和右侧弧形凹槽的中心点连线相交于橡胶块的中心轴线。

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