Blast furnace tap hole drilling and plugging machine - has a movable chassis on which is mounted an assembly comprising a drill, cover and plugging machine

摘要

Appts. for servicing blast-furnaces comprises a support chassis movable in a first direction relative to the fixed blast-furnace structure and several sub-assemblies mounted on the chassis so as to be supplied successively in a working posn. with respect to the part of the blast furnace in question these sub-assemblies comprising a drill, a cover and a machine to plug the tap holes. The above machines are suitable for drilling and plugging tap holes in blast furnaces. They are of more compact construction than existing machines, are more easily usable, are safer and more reliable than existing machines.