Feed device for a chopper of a forage harvester

摘要

Feed device for a chopper of a forage harvester with lower stationary feed rollers (8, 10) and vertically movable on rockers (18, 22) mounted upper feed rollers (12, 14), which in operation down in the direction of the lower feed rollers (8, 10) pressed be thereby pre-press a Erntegutstrom and feed a chopper drum (4) of the chaffing device, wherein at least one of the upper feed rollers (12, 14) by the one or more hydraulic cylinders (5) generated force is pressed down and the force of a chopper drum ( 4) directly adjacent feed roller (14) with at least one hydraulic cylinder (5) is generated, which is hinged directly to the rocker (18) or the rocker of this feed roller (14) or are characterized in that the hydraulic cylinder or the (5 ) is applied over the entire deflection movement of the feed roller (14) with a constant hydraulic pressure or be.