METHOD OF SECURING CUTTING HEADS TO BODIES OF LONGWALL COAL MINERS

摘要

1. The invention concerns a method of fastening heads of longwall machine to sled, characterised in that in thickened bottom of head (1) is made a oblong recess, and to segment of upper plane of sled (4), on which head (1) rests is fastened longitudinal moulding work-rests (3), which are adjusted to recesses in bottom of head (1).IMAGE