Abstract:

Nowaday, the coal mining aims to increase productivity, reduce production costs and ensure safety is a urgent matter for underground coal mines in Quang Ninh in general and Vangdanh coal mines in particular. The mechanization of the supports and control the roof rock by mobile hydraulic loaded shields will solve these problems and is also an important prerequisite to advance to the automatic control, remote control of machinery being. In fact, the use of mobile hydraulic loaded shields in Vangdanh coal mine revealed some weaknesses which is incompatible with mine geological conditions. Therefore, the research, selection of mobile hydraulic loaded shields is extremely urgent and highly topical