DEVICE FOR DRILLING ROCKS Russian patent published in 2016 - IPC E21B1/12 E21B4/06 E21B11/02 

FIELD: mining.

SUBSTANCE: invention relates to mining industry and can be used for drilling wells in loose, low-coherent and medium-hard mine rocks, as well as for dipping piles in construction. Device comprises a baler, an impact mechanism, a suspension element made in the form of a load-carrying cable, an anvil, a centralizer, a cable lock, an electric motor, a reduction gear. Impact mechanism is made in the form of a rotating spindle-striker, the upper end part of which is connected to the centralizer via the reduction gear, the electric motor and the cable lock. Upper end part of the rotating spindle-striker is connected with the reduction gear - shaft made with splines. Lower part of the rotating spindle-hammer is rigidly connected with a thermo-processed tip equipped with segments with ledges. Lower part of the device housing is equipped with the anvil equipped with segments with ledges and is connected with the baler.

EFFECT: provided is significantly increased efficiency and depth of well drilling.

1 cl, 3 dwg