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The further mechanical analysis on connection bolts of wind turbine

机译:风机连接螺栓的进一步力学分析

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摘要

A large amount of bolt connections are frequently used in WTG. Combining characteristic of WTG bolt connection, with the connection of pitch bearing inner circle and blade as the research object, using finite element method, build multiple connection model, adopt multi-point constraints and nonlinear contact for finite element analysis, research on bolt rod element types, connections of each component and the establishment of contact, acquire the analysis result of different fine degrees from bolt stress to thread contact stress, puts forward the feasible finite element analysis scheme of wind generator bolt connection.
机译:WTG中经常使用大量的螺栓连接。结合WTG螺栓连接的特点,以变桨轴承内圆与叶片的连接为研究对象,采用有限元方法,建立多重连接模型,采用多点约束和非线性接触进行有限元分析,研究螺栓杆元件通过对各部件的类型,连接方式及接触点的建立,获取螺栓应力至螺纹接触应力不同细度的分析结果,提出了可行的风力发电机螺栓连接有限元分析方案。

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