SCREENING BELT UNIT FOR A HARVESTING MACHINE, AND ASSOCIATED FLAP UNIT

摘要

The invention relates to a screening belt unit for a harvesting machine or crop transportation device, in particular for a root crop harvester or a root crop transport conveyor and for screening admixtures of a mixture of crops and admixtures, comprising a screening belt (2) having at least two endless carriers (3) which are preferably designed as support bars or support chains and between which screening bars are arranged in the direction transverse to the conveyor direction, said screening bars forming a plurality of screening bar units (11) comprising in particular in each case at least two screening bars (4, 6), wherein at least one portion of the screening bars is movably fixed relative to the endless carriers (3), wherein the screening belt unit (1) has a positioning means (13), at least sections of which are arranged along the screening belt (2) and which acts on the movable screening bars (6) and via which, as viewed in the screening direction in screening zone S, a distance A between screening bars arranged successively in the conveying direction F is defined and in particular can be set in a variable manner. The invention also relates to a flap unit, a screening belt, and a harvesting machine or crop transportation device.