| 主权项 |
1. A device for the discharging of material excavated in underground workings in a stretch excavated in a room-and-pillar method, comprising a belt conveyor having an endless conveyor belt, the belt conveyor including a conveyor section which is continually extendible along a conveyor stretch in step with an excavating progress, the belt conveyor including in the conveyor section, for the endless conveyor belt, at least one first support device capable of moving in the longitudinal direction of the conveyor stretch, and a plurality of conveyor belt vehicles being coupled to one another and being movable in the longitudinal direction of the conveyor stretch, the conveyor belt vehicles each having support elements for the endless conveyor belt, and wherein, between the first support device and the plurality of conveyor belt vehicles, a second movable support device for the endless conveyor belt is arranged, the second movable support device being coupled to the first support device and including guide means for the introduction of conveyor belt vehicles into the conveyor stretch from a position arranged next to the conveyor stretch, wherein at least a part quantity of the conveyor belt vehicles arranged in the conveyor stretch is guided in the longitudinal direction of the conveyor stretch in movable guide frame elements coupled to one another. |
