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中文摘要：
介绍和总结了国内外货车缓冲器的发展概况,概述了钢弹簧摩擦缓冲器、摩擦橡胶式缓冲器、黏性阻尼缓冲器以及摩擦胶泥缓冲器的工作原理,分析研究了其阻抗特性。就缓冲器动力学计算模型的建立、缓冲器特性间断点的处理及其列车动力学模型的建立3个方面提出了今后研究的重点和难点,为缓冲器的选型设计以及纵向动力学的研究提供了一定的理论支撑。
英文摘要：
General situation and development of freight vehicle buffer at home and abroad is summarized.The working principles of steel spring friction buffer,friction rubber buffer,viscous damper buffer and combination buffer of friction and viscous damper are described,and the impedance characteristic is studied.Key and difficult research aspects on the establishment of buffer dynamic model,the processing of buffer characteristic curves discontinuity and the train dynamic model are presented,and it would support the type selection and design for buffer and analysis of longitudinal dynamics.
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