梁北矿"三软""双突"煤层5m大采高液压支架选型
량북광"삼연""쌍돌"매층5m대채고액압지가선형
Lectotype Design of Powered Support with 5m Mining Height for "Soft Roof, Soft Coal and Soft Floor" Coal Seam with Coal and Gas Bursting Liability in Liangbei Colliery
  • 万方数据
    煤矿开采 매광개채
    COAL MINING TECHNOLOGY
    2007年 6期 26-27 ,共2页

    孟二存

    맹이존

    双突%掩护式%伸缩梁%片帮 雙突%掩護式%伸縮樑%片幫
    쌍돌%엄호식%신축량%편방
    梁北矿为双突矿井,煤层为典型"三软"煤层(顶软、煤软、底软).通过对煤层具体分析,采用两柱大采高掩护式液压支架,在液压支架结构上采用伸缩梁和抬底结构,解决了煤壁片帮和支架扎底的难题.
    량북광위쌍돌광정,매층위전형"삼연"매층(정연、매연、저연).통과대매층구체분석,채용량주대채고엄호식액압지가,재액압지가결구상채용신축량화태저결구,해결료매벽편방화지가찰저적난제.
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