WORK MEMBER OF THE TUNNELING AND CLEANING COMBINE Russian patent published in 2021 - IPC E21C27/24 

FIELD: mining industry.

SUBSTANCE: invention relates to the mining industry and can be used in tunneling and cleaning combines for the destruction of a rock mass with a cutting tool. The work member of the tunneling and cleaning combine includes cutter wheels with cutters that are mounted on the handles with a drive with an offset relative to the longitudinal axis of the handles in the direction opposite to the direction of rotation of the handles. The axes of rotation of the cutter wheels and the work member are directed along the movement of the combine to the face, and the axis of rotation of the handles coincides with the axis of rotation of the work member. A rotary starting borer with cutters is installed coaxially with the axis of rotation of the handles, and combs with cutters are fixed at the ends of the handles. The cutters of the starting borer and the comb protrude beyond the end surfaces of the cutter disks to destroy, respectively, the central and peripheral sections of the face. The combs are made in the form of raking blades with an inclination in the direction opposite to the direction of rotation of the work member, and are mounted on mechanical fasteners of limited strength and stops with the possibility of dismantling and changing the position.

EFFECT: increase in the quality of the granulometric composition of the separated rock mass, an increase in the operating time and a decrease in the specific consumption of the rock-destroying tool, a decrease in the probability of emergency failures of the work member.

4 cl, 5 dwg