AUGER EXECUTIVE BODY WITH INTERNAL MOTOR FOR BUCKET OF MINE EXCAVATOR Russian patent published in 2021 - IPC E02F3/65 

FIELD: mining.

SUBSTANCE: invention relates to the mining industry, in particular to the executive bodies of excavators - buckets for mining coal and other minerals in an open way. A screw executive body with an internal motor for a mining excavator bucket is proposed, including a bucket, side walls, bearings, and a breaking drum. In this case, the destructive drum is installed in the front part of the excavator bucket and is made in the form of a screw actuator in the form of two hollow cylinders, external and internal, which are installed in each other with the possibility of rotation of the external cylinder around the stationary internal cylinder, inside which stiffness diaphragms are fixed in the form of a circle with a hole made in the center, into which a longitudinal shaft is installed, which is fixed by replaceable bearings to the side walls of the bucket. On the outer side of the outer cylinder, blades in the form of a spiral are spirally fixed, while one part of the spiral is made with a right inclination, and the second with a left one, teeth are installed on the blades on top, an electric motor with a gearbox is installed inside the inner cylinder on a rack, which is rigidly fixed to the protective side wall.

EFFECT: reduction of energy consumption when loading medium and small lump blasted and unexploded rocks and a reduction in the number of preparatory movements for laying out and unfolding the rock mass.

1 cl, 4 dwg