Shearer drum for underground mining

摘要

The invention relates to a shearer drum for use in underground mining, the spray liquid being put under high pressure by the shearer drum itself between the liquid feed and the nozzles, specifically by the cowl holder, which is coupled to an internal tooth system with which a pinion meshes which drives a high-pressure pump rotating with the shearer drum. Complicated sealing systems, in particular trailing seals, are thereby avoided and the length of the high-pressure lines is kept especially short. The high pressure is produced by the shearer drum itself in direct proximity to the spray liquids by these means of simple construction. <IMAGE>