COAL MINING MACHINE, ESPECIALLY, DRUM TYPE COAL CUTTER RUNNABLE ON EXCAVATING CONVEYOR HAVING RACK FOR MINING IN PIT MOUNTED TO BOTH SIDES THEREOF

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