CUTTING-LOADING MACHINE Russian patent published in 2021 - IPC E21C35/24 

FIELD: mining.

SUBSTANCE: invention relates to cutting-loading machines. Cutting-loading machine comprises running gear, one actuator with at least one handle with at least one cutting device installed on each of handles, and lower bumper-loading device. Said lower bumper-loading device is made in the form of single-lead screw on one side and double-lead screw on the other side and is equipped with drive with kinematic chain, which provides rotation frequency n_l.b of said lower bumper-loading device in range from 35 rpm to 45 rpm, wherein ratio n_l.b to n _D rotation frequency of said cutting device is in range from 0.9 to 1.1.

EFFECT: providing coordinated operation of the actuating element and the lower demolishing and loading device with the optimum screw design during the working process.

1 cl, 2 dwg, 1 tbl