煤矿井下巷道全断面高效施钻瓦斯抽采孔技术

摘要

为提高瓦斯抽采钻孔总体效率,本文从钻机开孔的角度详细介绍了大断面巷道高效施工瓦斯抽采钻孔钻机关键部件的创新点.%To enhance the comprehensive efficiency to extract gas, the creative points of the key parts which come from the efficient gas-extracting drilling rig for the big cross section tunnel are introduced, from the trepanning aspect.