MULTI-BUCKET OVERBURDEN UNIT Russian patent published in 2012 - IPC E02F3/54 

FIELD: mining.

SUBSTANCE: multi-bucket overburden unit comprises a bottomhole and a dump carriage non-rotary platforms with masts that correspond to them, connected with a system of ropes, and a bucket. It is additionally equipped with at least one mast of the bottomhole carriage non-rotary platform and at least one mast of the dump carriage non-rotary platform connected by a system of ropes with a bucket, at the same time additional masts are installed on bottomhole and drum carriage non-rotary platforms along a straight line, and each subsequent additionally installed mast of bottomhole and dump carriage non-rotary platforms is arranged with height that is less than the previous one in direction of inclination of a filled split slope of the inner dump by a value determined with the following mathematical expression: H=Sxtgα, where H - difference of heights of two nearby arranged masts, m; S - distance between masts, m; α - angle of internal dump slope, degrees. Bottomhole and dump carriage non-rotary platforms are arranged as capable of changing their length by means of connection and disconnection of sections.

EFFECT: higher efficiency, reduced power and materials consumption.

2 cl, 5 dwg