Longwall Shearer长壁采煤机 产品分类:矿山机械设备模型 以旋转滚筒为工作机构,进行截煤、落煤与装煤的采煤机械。与之配套工作的一般有工作面输送机和液压支架等,共同组成综采工作面设备。 订购热线:400-6938-518 产品详情关于生产周期关于运输关于价格关于付款 ...
Low-Seam Longwall Shearer InnovationPetr TomekKarel Jeřábek
1) longwall shearer 长壁采煤机 2) long wall mining method 长壁采煤法 1. In the upper seam of close distance coal seams pillar mining method is utilized,and in the underneath seam prepared to be minedlong wall mining methodis utilized. ...
1. Longwall shearer showcased at MinExpo [J] . Mining Mirror . 2012,第5期 机译:MinExpo展出的长壁采煤机 2. Hitachi to Showcase New AC-Drive Technology Advancements at MINExpo International [J] . Coal people . 2012,第7期 机译:日立将在MINExpo International上展示新的交流驱动技术进步...
久益长壁采煤机(Joy Longwall Shearer) û收藏 转发 评论 ñ赞 评论 o p 同时转发到我的微博 按热度 按时间 正在加载,请稍候... Ü 简介: 老王还是老王! 更多a 微关系 他的关注(163) 顾秋屿 姜珮瑶 子陵在听歌 ThinkPad 他的粉丝(363) 用户7231278695 Clo...
Control system for longwall shearer A control system is described for a longwall coal shearer assembly, the shearer assembly comprising a track positionable in a tunnel along a seam of coal h... Pease,R.E 被引量: 5发表: 1985年 An effective method for longwall automation in thin coal seam...
Further, the method may include determining a plurality of actual advancing vectors (vi) indicating a change of a position of the shearer resulting from advancing the shearer towards the longwall face. The method may also include determining a plurality of shearer orientations (Oi) along the ...
Roof sensing control of shearer in longwall miningThe present invention is directed to a method for regulating position of a mining apparatus comprising the steps of transmission of a plurality of signals from a position detection device, interception of said signals at an edge of a mine at a ...
Product Introduction of MG300 Longwall Coal Shearer The electric driven is driven by multi-electric motor and AC variable fre-quency speed controlled,applying to the thick or middle thick fully-machanized workface with the medium stable roof and less fluctuation floor to cut the hard or medium...
Longwall-shearer, as the most important machine between longwall mechanical complex. Also it was assumed that the most significant meaning for determination of effectiveness of longwall-shearer has its availability, i.e. its effective time of work related to standard time. Such an approach is ...