The drag-link conveyer, which is important equipment in the coal production, plays an important role for the safety of the whole mining face.
刮板输送机是煤矿生产的重要运输设备，对于整个工作面的安全起着至关重要的作用。
2
The improved conveyer has a high reliability proved practically, obtains good economic returns and social benefits used with corollary equipments of the full-mechanized caving coal working face.
实践证明改进后的输送机可靠性高，与综放设备配套使用，取得了较好的经济效益和社会效益。
3
At the same time, electric power management for continuous conveyer equipment has also become a new problem, which is necessary to face and solve, in a specialized terminal building.