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介绍了ZZ4 0 0 0 12 /2 4型液压支架的结构特点及其在潘集矿区 11 2煤层Ⅱ级 2类顶板地质条件下的使用情况 ,并对复合顶板地质条件下继续使用该支架提出了改进措施。
This paper introduces the structural characteristics of ZZ4 0 0 0 12/2 4 hydraulic support and its application in the geological conditions of Grade Ⅱ 2 roofs in 11 2 coal seam of Panji Mining Area. It also presents the use of the support under the geological conditions of composite roof improvement measures.