煤矿悬臂式掘进机闭式液压系统研究  

Research on Closed Hydraulic System of Cantilever Roadheader in Coal Mine

作　　者：侯世乾 Hou Shiqian(Shijiazhuang Coal Mining Machinery Co.,Ltd.,Shijiazhuang 051431,China;Hebei Coal Mine Machinery Technology Innovation Center,Shijiazhuang 051431,China)

机构地区：[1]石家庄煤矿机械有限责任公司,石家庄051431 [2]河北省煤矿机械技术创新中心,石家庄051431

出　　处：《煤矿机械》2022年第4期82-84,共3页Coal Mine Machinery

摘　　要：针对目前煤矿井下掘进机的工况条件和使用现状,根据开式和闭式液压系统的不同特点,阐述了煤矿井下掘进机采用闭式液压系统的原理、配置和具体使用的优缺点,探讨闭式液压系统在煤矿井下悬臂式掘进机上应用的优劣和前景。In view of the working conditions and application status of coal mine underground roadheader,according to the different characteristics of closed and open hydraulic systems,expounded the principle,configuration and specific advantages and disadvantages of closed hydraulic system,and discussed the advantages,disadvantages and prospects of the application of closed hydraulic system in coal mine underground cantilever roadheader.

关 键 词：煤矿 掘进机 闭式液压系统 

分 类 号：TD421.5[矿业工程—矿山机电]