retainer for a drill rod from a race hole drill machine, and method for removing a drill rod

摘要

retaining apparatus for a drill rod from a race hole drill machine, and method for removing a drill rod. The invention relates to a retainer (27) for a drill rod (15) of a race hole drilling machine (10) and a method for removing a drill rod base (17) from a machine. drilling hole drilling machine, wherein the race hole drilling machine has a frame (14) with a removable drilling and percussion mechanism (16) therein, wherein the drilling and percussion mechanism has a base of drill rod for connecting the drill rod, wherein a retainer handle (21) is disposed in the frame, wherein the handle device for retaining the drill rod relative to the drill rod base, and wherein the piercing rod can be firmly fixed to the frame by the handle device.