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交叉簧片柔性铰链的翘曲分析与消除

Keywords: 交叉簧片,柔性铰链,翘曲变形,轴漂,数值仿真

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Abstract:

为揭示柔性铰链的翘曲变形机理,建立了交叉簧片柔性铰链的翘曲模型.对簧片交叉角为90°和径向载荷为0时的两种特例情况进行了分析.通过ANSYS有限元仿真验证了此类柔性铰链翘曲变形的存在性.提出了一种可消除交叉簧片柔性铰链翘曲问题的可行方法,即采用簧片对称交叉布局.仿真和实验均表明:采用对称布局的交叉簧片柔性铰链,在受到广义载荷作用时,其变形仅存在于功能方向,翘曲变形得到了完全抑制.

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