Excavation slipping front discharge device of tunnel drilling machine for road widening

摘要

(57) Abstract Objective The dedicated Drive device being unnecessary, structure being simple, aThe ri, the installation space could be little with the compact, the natural groundIt is protected even from decay, the excavation zu of the tunnel drilling machine for road wideningThe ri front discharge device is offered. Constitution Revolution armament possibly in the Tip basic machine 1In aperture 6of a cutter head 6, basis of cylindrical drum 14One revolution facilities doing the destal possibly shift, Tip side of drum 14 beforeAs you make project to one, inside drum 14 katsutaheIt makes inside tsudo 6 communicate. Inside cylindrical drum 14supairarurihuta 15 paralleling to the inner skin, as one unitDistribution facilities to do, with cutter head 6 drum 14 and spyIn order for rarurihuta 15 to turn, it constitutes.