SAFETY DEVICE FOR EMERGENCY INTERRUPTION OF THE DRILLING MANEUVERS

摘要

Safety device for the emergency interruption of thedrilling manoeuvring in a drilling machine providedwith a guide tower (17) (mast) and a device (10) forrealizing the driving in the ground of drillingelements; the device comprises at least a frame (12)fixed to the mast and provided with at least an armor a door (11) rotating around an axis (Y) withrespect to said frame; a microswitch (23) beingactivated by the movements of rotation given to thedoor (11) for stopping at least some of the dangerousdrilling manoeuvrings.