Get the relation between spring tube inherent frequency and its structure parameter. It provides the theory basis for vibration reduction design and dynamics analysis of spring tube.
得出弹簧管固有频率和其主要结构参数之间的关系，为弹簧管的减振设计和进一步的动力学分析提供了理论依据。
These analysis results are references for both new type of structure design and the research on characters of fluid dynamics of propellor.
分析结果可供变螺距螺旋桨的新型结构设计和流体动力特性研究参考。
Based on dynamics analysis and brake shoe type arrester, its design method and steps are discussed in this paper. Calculation formula of mechanical benefit and design is introduced.
在对闸瓦式制动器进行动力学分析的基础上，论述了它的设计方法和步骤，并给出了机械效益的计算公式和设计曲线图。
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