Device for directional drilling of shafts in a single pass

摘要

The directional tube device for driven shafts has a head (1) called the directional tube in which one face is bevelled (2) and the interior contains a boss (3) on the outside of which is assembled a drill bit (9) which is connected to the internal rod (4) assembled by the attachment (5) to the main shaft (6). Inside the rod (4) is a rotating motor (10) and the drill bit with the lubricator and the tube.