开式变量泵在CMM25-4锚杆钻机中的应用  

Application of Open and Variable Circuit Pump in CMM25-4 Roofbolter

作　　者：丁永成[1,2] 

机构地区：[1]中国地质大学机械与电子信息学院,武汉430074 [2]煤炭科学研究总院太原研究院,太原030006

出　　处：《煤矿机械》2010年第4期170-172,共3页Coal Mine Machinery

摘　　要：四臂锚杆钻机是短壁机械化成套开采设备的重要设备之一,可以有效提高矿井支护效率并降低人工劳动强度。该设备主要功能依靠液压系统实现,简单介绍了CMM25-4四臂锚杆钻机开式液压系统并详细论述了液压系统中开式变量泵的成功应用。The four head roofboher is an important equipment of short-wall mining mechanical series. It can effectively improve the efficiency of timbering and reduce the intensity of mineworker. The principle function of roofboher is carried out by hydraulic system. Briefly describes the open hydraulic system of CMM25-4 four head roofbolter and detailed describes the successful applying of the open and variable circuit pump in hydraulic system.

关 键 词：锚杆钻机 开式液压系统 开式变量泵 

分 类 号：TH3[机械工程—机械制造及自动化] TD355[矿业工程—矿井建设]