铺网支架改放顶煤支架技术浅析  

Analysis on technological transformation from flooring support to caving support

作　　者：王星[1] 

机构地区：[1]晋城煤业集团机修总厂,山西晋城048006

出　　处：《河北煤炭》2002年第2期21-23,共3页Hebei Coal

摘　　要：根据BC7A4 0 0 - 17/35铺网支架的现状 ,结合放顶煤支架的结构特点 。Based on the present situation of BC 7A 400-17/35 flooring support and the feature of caving support ,the modification of the support is pointed out.

关 键 词：铺网支架 放顶煤支架 液压支架 放顶煤 技术改造 

分 类 号：TD355.4[矿业工程—矿井建设]