DEVICE FOR FACE EXTRACTION OF UNDERGROUND SHAFT WORKINGS, METHOD OF FACE EXTRACTION WITH THE AID OF DEVICE AND USE OF DEVICE SECTION

摘要

FIELD: face extraction devices. SUBSTANCE: the offered device is mainly intended for face cleaning, it is used with extraction devices arranged abreast on the sections of a self-advancing support (and consisting of a frontal plough), which envelops the breakage face throughout the entire height at continuous arched scooping and which is installed on a rotary support (on the lower side of the beam projecting towards the breakage face) of the self-advancing support section. The frontal plough is made as a planing dipper so as to fulfil simultaneously the function of a loader. EFFECT: facilitated procedure. 1 dwg