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Study on Dynamic Performance of Cutter Head and Cutter System of Rock Tunneling Set-up

机译:岩石隧道建设刀头和刀具系统动态性能研究

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Several modals on Tunnel Boring Machine (TBM) in tunneling are introduced, the revolving rock tunneling simulator set-up is designed, the finite element model of cutter parts of the experimental bench is built, and free mode analysis of it is performed, and the model on system of cutter head, cutter and rock is established. It is shown that natural frequency on the cutter parts is higher, the frequency of first step is 4536Hz, and the most modes are deformations of the cutter loop, vibration acceleration of the cutter decreases with fracture tunnel width increasing, in some degree broken rock mechanics is achieved, foundation is provided for improving using life and adaptability of the cutter, and optimizing arrangement of plate cutter on the cutter head, and finally realizing high efficiency and low energy consumption.
机译:介绍了隧道镗床(TBM)的几种模型,设计了旋转岩隧道模拟器设置,建立了实验台的刀具部分的有限元模型,并进行了自由模式分析,以及建立了刀头,刀具和岩石系统的模型。结果表明,刀具部件上的固有频率较高,第一步的频率为4536Hz,最多模式是切割器环的变形,切割器的振动加速度随着骨折隧道宽度的增加,在某些程度破碎的岩石力学中实现了基础,用于改善使用寿命和刀具的适应性,以及在刀头上的平板切割器的优化布置,最终实现高效率和低能耗。

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