大孔径螺旋深孔钻机的设计和应用  

The design and application of large aperture spiral deep hole drilling rig

作　　者：郭奕明 

机构地区：[1]山东鲁南装备制造有限公司,山东枣庄277159

出　　处：《山东煤炭科技》2013年第2期39-40,共2页Shandong Coal Science and Technology

摘　　要：大孔径螺旋深孔钻机采用独头钻采的工艺,主机布置在巷道中,利用液压推进装置带动旋转的钻具向煤层钻孔,钻头割煤,螺旋钻杆掏煤,煤直接落在运输机上运出,实现工作面无人安全钻采。Large diameter spiral drilling machine adopts the single drilling process, the host is arranged in the tunnel, using hydraulic propulsion device drives the rotation of the drill to drill boreholes in coal seam, coal.eutting, spiral drill pipe cutting eoal, coal falls directly in the Ministry of transport on out, realize unmanned safe drilling working face.

关 键 词：大孔径 楔块式 钻杆掏煤 液压传动 

分 类 号：TD421.69[矿业工程—矿山机电]