DRILL Russian patent published in 2002 - IPC

FIELD: mining industry, particularly, drills. SUBSTANCE: drill includes vehicle, mast with supports in upper tie, movable rotary head with guides on which feed rams are installed with the help of fastening members parallel to axis of mast and guides surface. Rams rods are oriented for engagement with supports in upper tie. Drill also includes drill string, hoisting winch, rope and rope sheaves. Feed rams are installed for motion relative to guides of movable rotary head and bringing of rod beyond supports in upper tie. Fastening members of feed rams and guides of movable rotary head are interconnected by means of axles located perpendicular to guides surface. Provided on guides are brackets on which control cylinders are secured and whose rods are connected with feed rams. EFFECT: higher productivity of drill, reduced time for auxiliary operations. 3 dwg