掘进方向,tunneling direction
raise driving反向掘进
3)directional excavation定向掘进
1.mine laneway section automatic forming control,cutting head constant power speed regulation control,position detection control anddirectional excavation control of boom-type roadheaders.阐述了悬臂掘进机巷道自动截割控制的4个关键技术,即掘进巷道断面自动成形控制、截割头恒功率自动牵引调速控制、掘进机位姿检测控制以及掘进机定向掘进控制。
4)uprisnig上向掘进
5)tunneling scheme掘进方案
1.Taking 14203 working face in Shaqu Mine as an example, this paper compares two outburst prevention schemes of fully mechanized workface, determines that deep pre-drainage is a rationaltunneling scheme, and points out that this scheme has practical significance for implementing the quick tunneling.以沙曲矿14203工作面为例,通过对综掘工作面两种防突方案的比较,确定深层预抽为合理的掘进方案,指出该方案对实现快速掘进具有重要的现实意义。
6)advancing along the strike沿走向掘进
延伸阅读
半煤岩巷掘进见煤巷掘进。
