摘要
分析了回采工作面回柱放顶作业中防护措施的不足 ,介绍了 DTH推护器的结构和现场应用效果。
That the prevention measures are not enough at the propdrawing operation in the stope is analysed at this paper, and the structure and the site application effect of DTH pushprotecter are introduced.
关键词
推护器
回采工作面
单体液压支柱
Pushprotecter Injury caused by pushing post Application