ROLLER-SCRAPER BAR OF ONION HARVESTING MACHINE

摘要

FIELD: machine building.SUBSTANCE: invention relates to agricultural machine building. Roller-scraper bar comprises frame, cylindrical roller, tapering tray and roll former installed on frame under separating elevator. Roller-scraper bar is equipped with impurities output tray, rollers rotational rate adjustment hydraulic motors and spiral roller with spiral surface peripherally located along its entire length having cross section shape in form of segment with equal angular pitch and lifting height. Beginning and end of each coil are located on one cylinder generatrix with offset.EFFECT: reduced losses and seed onion damage during its pick-up from rolls.1 cl, 2 dwg