MINING TUNNELLING MACHINE Russian patent published in 2017 - IPC E21C27/24 E21D9/10 

FIELD: mining engineering.

SUBSTANCE: mining tunnel machine contains a movement mechanism, a frame, at least one cutting head. The cutting head comprises at least one cutting disc with a lateral cutting surface fixed to the lever. The lever is rotatable, and the cutting disc is located at an acute angle to the surface of the slaughtering.

EFFECT: ensuring uniform removal of rock layers, reducing pressure on the breasts of the face due to the effect of screwing the actuator into the rock and eliminating the rotating loads on the combine when the cutting tool touches the surface of the slaughtering.

4 cl, 3 dwg