Mine roof mechanised support for extract coal from the roof

摘要

The caving shield with adjoint sliding bar, equipped with drain hole and movable chute, is between base frame underpinned by two hydraulic props. The props are situated between drain hole and edge of the caving shield. The conveyor is connected directly to the base frame. The movable chute is movable adjoint to the caving shield and creates a gate of the drain hole.