LASER ELECTRIC DRILL Russian patent published in 2011 - IPC E21B7/14 B23B45/02 

FIELD: construction.

SUBSTANCE: laser electric drill, comprising an electric motor, a body, a reducer, a laser device. The electric motor and the planetary reducer are made with hollow shafts. The lower end part of the hollow shaft of the electric motor is connected to the upper end part of the hollow shaft of the planetary reducer, the body of which is connected to the upper end part of the auger pipe, the lower part of which is equipped with a high-temperature crown reinforced with heat resistant cutters. The laser device is installed in the upper part of the electric motor body with the possibility to focus its beam at the upper end part of the high-temperature crown via the inner cavity of the electric motor shaft, the planetary reducer shaft cavity and the auger pipe cavity.

EFFECT: reduction of material costs, eliminates usage of expensive diamond drill crowns.

1 dwg