CUTTER-LOADER Russian patent published in 2017 - IPC E21C27/24 

FIELD: mining.

SUBSTANCE: cutter-loader includes chassis, conveyor, executive body, two pneumatic device, located in the lower and upper parts, holding-down bolt. The holding-down bolt consists of spacing frame racks which housed in the gaps between the conveyor and the executive body and guides with holding-down heads, hinged racks attached to the frame. Moreover, the spacer frame is hingedly mounted on hydraulic cylinders fixed on the conveyor or the executive body, ensuring the frame and retention of the frame with the guides when the combine moves. The axes of rotation of the guides are directed along the movement of the combine to the face.

EFFECT: ability to drill on the go and adjust the distance between the holes within the possible drilling zones.

2 dwg