摘要
对目前国内使用的ＥＬＭＢ型和ＭＲＨ－Ｓ１００－４１型掘进机的液压系统进行了综合类比分析，指出了主要液压元件和主要液压回路不同之处的优缺点，并对掘进机设计提出一些合理化建议。
The paper makes comprehensive analysis to hydraulic systems of two kinds ofdomestic rodheaders ELMB and MRH-S100-41.Then it indicates the abvantages and short -comings of different hydraulic elements and circuits of them and makes some rational sugges -tions for roadheader design.
