SYSTEM FOR THE DESTRUCTION OF ROCK FORMATION Russian patent published in 2022 - IPC E21B21/08 E21B4/14 

FIELD: mining industry.

SUBSTANCE: invention relates to the mining and construction industries, namely to drilling equipment used in drilling wells by the impact-rotational method, and can be used to destroy hard rocks when drilling explosive and exploration wells with drilling machines. The system includes a drilling rig and a drilling assembly with a rock-crushing tool in the form of a ball. The drilling rig contains a running gear with an operator’s cab mounted on it and a mast with a rotator. A pneumatic hammer is installed inside the lower part of the drilling assembly, forming air channels with the inner walls of the drilling assembly. Above the pneumatic hammer in the lower part of the drilling rig coupling, a movable flap is installed horizontally, made in the form of two plates with holes mounted on top of each other and connected by a single rim. In the center of the movable flap, the flap drive shaft is vertically fixed, on which at least two pairs of guide stops are installed, and a worm mechanism with a worm mechanism drive is fixed between them. Above the drive of the worm mechanism on the inner wall of the coupling of the drilling rig a flap control unit is rigidly fixed connected to it by a cable, including series-connected receiving and transmitting devices with a battery and a switch. The receiving and transmitting devices are located in each rod of the drilling assembly and inside the rotator of the drilling rig opposite the air supply hole in the drilling assembly. The operator’s cab has a control unit with a monitor for wireless control of the flap.

EFFECT: shock power is regulated by changing the air flow with an adjustable flap.

1 cl, 8 dwg