FIELD: mining.
SUBSTANCE: scroll conveyor designed for vertical coarse size elements transportation. Scroll conveyor consists of an outer casing with a platform, scroll spiral, loading and off-loading window, off-loading chute and reduction gear. The casing is equipped with an inner linear groove located parallel to the axis along the casing. Inside the casing splined bushings with hollow axis and splined bushings anti-rotation device is situated on the stationary shaft. Bearing bushings of helice severity are located in the casing. Reduction gear is situated in the upper, lower or middle part of the casing.
EFFECT: enhancement of the coefficient of uprise of transported masses efficiency, as well as reduction in the quantity of the equipment items involved, elimination of breaking zones at the centerline and in the corners of the spiral-shaft.
2 dwg
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