'Mining machine of the underground mining, in particular drum shearing, the above on both sides with a toothed rack can be moved to engage a longwall face equipped'

摘要

A mining machine 1 is equipped with two drive wheels 4 which produce the machine advance and which engage in racks 3 situated on opposite sides of a face conveyor 2 extending over the length of the machine track. The drive wheels 4 are situated one opposite the other and are driven only by a single drive motor 11, through a reduction gear 12 in each case, and they are connected to the drive motor 11 via a differential bevel gear 15 which provides uniform load distribution to the two drive wheels 4. IMAGE