DISCHARGING OF MATERIAL EXCAVATED IN UNDERGROUND WORKINGS

WIPO Patent Application WO/2014/191196

A3

With a device for the conveying of material excavated in underground workings in a mine road stretch driven in particular in accordance with the room-and-pillar method, comprising a belt conveyor system which comprises an endless conveyor belt (17), and comprising a conveyor section which is continually extendible along a conveyor stretch in step with the rate of advance, the belt conveyor comprises in the conveyor stretch at least one first support device (7), movable in the longitudinal direction of the conveyor stretch, for the endless conveyor belt (17) and a plurality of inter- coupled conveyor belt vehicles (9, 15), movable in the longitudinal direction of the conveyor stretch, which in each case carry support elements for the endless conveyor belt (17). Arranged between the first support device (7) and the plurality of conveyor belt vehicles (9, 15) is a second movable support device (8) for the endless conveyor belt (17), which is coupled to the first support device (7), comprising guide means for the introduction of conveyor belt vehicles (9, 15) into the conveyor stretch from a position arranged next to the conveyor stretch, wherein at least one part quantity of the conveyor belt vehicles (9, 15) arranged in the conveyor stretch are guided in inter- coupled movable guide frame elements (10) in the longitudinal direction of the conveyor stretch.

OBERDORFER RALF (AT)
RIEGER HUBERT (AT)

PCT/EP2014/059716

July 02, 2015

May 13, 2014

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SANDVIK MINING & CONSTR OY (AT)

E21F13/02; B65G21/14; B65G41/00

US5056655A	1991-10-15
US6095320A	2000-08-01
US7980806B1	2011-07-19
US20100276260A1	2010-11-04
AU687307B2	1998-02-19

HAMMARSJÖ, Joakim (Sandviken, SE)

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