DRILLING ELECTRIC MACHINE (VARIANTS) Russian patent published in 2023 - IPC E21B7/02 E21B15/00 E21B19/08 

FIELD: drilling equipment.

SUBSTANCE: group of inventions relates to the field of drilling soil or rocks for the extraction of oil, gas, water, soluble or fusible substances or minerals in the form of drilling sludge, namely to drilling machines, and can be used in engineering geology and construction. The drilling electric machine contains a transport base, power mechanisms, a carriage, a mast, a drilling string spindle. The transport base is made in the form of a towed sleigh or a truck body, where traction power sources are installed, connected to power mechanisms made in the form of an electric motor of the drilling string spindle rotator, a carriage feed electric motor, a gearbox of the drilling string spindle rotator and a gearbox of the lifting carriage feed mechanism, fixed on the carriage, which is mounted on the mast with the possibility of longitudinal movement. The mast is equipped with an amplifier and a support, a cable-carrying chain, a carriage feed winch, a winch cable. The carriage is equipped with a cooling radiator for electric motors and a cooling radiator for the electric motor control unit connected to the control panel.

EFFECT: expansion of the arsenal of technical means intended for drilling, having an easy-to-use design.

4 cl, 5 dwg