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A platform for research: civil engineering, architecture and urbanism
Self-resetting negative stiffness shock insulation support
The invention discloses a self-resetting negative-stiffness shock insulation support which comprises a self-resetting element, a top plate, an upper cambered surface body, a swing body, a lower cambered surface body and a bottom plate, wherein the top plate, the upper cambered surface body, the swing body, the lower cambered surface body and the bottom plate are coaxially arranged. The upper cambered surface body is installed at the bottom of the top plate, the lower cambered surface body is installed at the top of the bottom plate, and the swing body is located between the upper cambered surface body and the lower cambered surface body. The middle part of the bottom of the upper cambered surface body is a horizontal plane, and the rest part of the bottom is a spherical cambered surface; the structure of the lower cambered surface body is the same as that of the upper cambered surface body; an upper anti-shearing clamping block and a lower anti-shearing clamping block are respectively arranged on the upper end surface and the lower end surface of the swinging body and are positioned in the clamping grooves in the upper cambered surface body and the lower cambered surface body; the self-resetting elements are symmetrically arranged on the two sides of the support so as to achieve self-resetting of the support under strong shock. According to the support, when earthquake force is small, the swing body does not swing and deform so as to resist the effect of small earthquakes or wind loads. When the earthquake force is increased, the swinging body begins to swing and deform, and the support generates a negative stiffness behavior.
本发明公开了一种自复位负刚度隔震支座，包括：自复位元件以及同轴线设置的顶板、上弧面体、摇摆体、下弧面体、底板；上弧面体安装于顶板底部，下弧面体安装于底板顶部，摇摆体位于上、下弧面体的中间；上弧面体底部中间部位为水平面，底部其余部分为球形弧面，该水平面中部设置有第一卡槽；下弧面体结构与上弧面体相同；摇摆体上端面和下端面分别设置有上抗剪卡块和下抗剪卡块，上、下抗剪卡块位于上、下弧面体上的卡槽内；自复位元件对称的设置支座两侧，以实现在强震下支座的自复位。本发明的支座在地震力比较小的时候，摇摆体不发生摇摆变形，以抵御小震或风荷载的作用。当地震力增大时，摇摆体便开始发生摇摆变形，支座产生负刚度行为。
Self-resetting negative stiffness shock insulation support
The invention discloses a self-resetting negative-stiffness shock insulation support which comprises a self-resetting element, a top plate, an upper cambered surface body, a swing body, a lower cambered surface body and a bottom plate, wherein the top plate, the upper cambered surface body, the swing body, the lower cambered surface body and the bottom plate are coaxially arranged. The upper cambered surface body is installed at the bottom of the top plate, the lower cambered surface body is installed at the top of the bottom plate, and the swing body is located between the upper cambered surface body and the lower cambered surface body. The middle part of the bottom of the upper cambered surface body is a horizontal plane, and the rest part of the bottom is a spherical cambered surface; the structure of the lower cambered surface body is the same as that of the upper cambered surface body; an upper anti-shearing clamping block and a lower anti-shearing clamping block are respectively arranged on the upper end surface and the lower end surface of the swinging body and are positioned in the clamping grooves in the upper cambered surface body and the lower cambered surface body; the self-resetting elements are symmetrically arranged on the two sides of the support so as to achieve self-resetting of the support under strong shock. According to the support, when earthquake force is small, the swing body does not swing and deform so as to resist the effect of small earthquakes or wind loads. When the earthquake force is increased, the swinging body begins to swing and deform, and the support generates a negative stiffness behavior.
本发明公开了一种自复位负刚度隔震支座，包括：自复位元件以及同轴线设置的顶板、上弧面体、摇摆体、下弧面体、底板；上弧面体安装于顶板底部，下弧面体安装于底板顶部，摇摆体位于上、下弧面体的中间；上弧面体底部中间部位为水平面，底部其余部分为球形弧面，该水平面中部设置有第一卡槽；下弧面体结构与上弧面体相同；摇摆体上端面和下端面分别设置有上抗剪卡块和下抗剪卡块，上、下抗剪卡块位于上、下弧面体上的卡槽内；自复位元件对称的设置支座两侧，以实现在强震下支座的自复位。本发明的支座在地震力比较小的时候，摇摆体不发生摇摆变形，以抵御小震或风荷载的作用。当地震力增大时，摇摆体便开始发生摇摆变形，支座产生负刚度行为。
Self-resetting negative stiffness shock insulation support
一种自复位负刚度隔震支座
WANG BIN (author) / CHEN PENG (author) / ZHANG ZHANHONG (author) / LI TAO (author) / DAI KAOSHAN (author)
2023-10-13
Patent
Electronic Resource
Chinese
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