Extraction device for the degradation of fl ockly or massively deposited mineral materials and extraction machine therefor

摘要

Extraction device for the dismantling of fl ockly or massively deposited mineral materials, with a conveyor for the removal of incoming material and with a along the conveyor (9) movable extraction machine (10) equipped with at least one removal tools (17), rotatable about its roll axis (W) and a roll (19) which is adjustable in height relative to a machine frame (11) by a pivoting arm (21), characterized in that the roll axis (W) of the roll (19) is substantially parallel to the direction of travel (F, F ') of the mining machine (10). stands, wherein the removal tools (17) are mounted in groups on tool carriers (18) which are arranged rotatably about transverse to the roll axis (W) standing axes of rotation (R) on the circumference of the roller (19).