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CRH2动车组是中国铁路引进的具有世界先进水平的四大高速动车组之一,而其车钩缓冲装置又是动车组最基本最重要的部件之一。熟悉CRH2动车组车钩缓冲装置的构造、原理与性能特点,对消化吸收先进技术,促进运用检修,最终使其国产化,具有积极的意义。本文对国有一般客、货车车钩缓冲装置进行简单叙述,运用比较的方法,重点介绍了CRH2动车组车钩缓冲装置的结构、类型与作用原理,最后分析了高速动车组车钩、缓冲装置的性能特征。
The CRH2 EMU is one of the four high-speed EMU with world-advanced level introduced by China Railway. Its coupler and shock absorber is one of the most basic and important components of the EMU. Familiar with the structure, principle and performance characteristics of the CRH2 EMU coupler buffer device has positive significance for digesting and absorbing advanced technology, promoting the use of overhaul and finally making it homemade. In this paper, the general state-owned passenger car and truck coupler buffer device are described briefly. By comparison, the structure, type and principle of the coupler buffer device of CRH2 EMU are introduced emphatically. Finally, the performance characteristics of the coupler and buffer device of the high-speed EMU are analyzed.