Lateral leveling mechanism for combine cleaning apparatus.

摘要

@ A cleaning apparatus (20) for a combine harvester (10) is disclosed wherein the grain pan (22) and chaffer sieve (26)are mounted in a subframe (31) pivotally supported by a shaker shoe (35) for a laterally tilting movement about a fore-and-aft extending axis (55). The shaker shoe (35) is connected to an eccentric drive (24) to effect a generally fore-and-aft shaking action to convey threshed grain thereon in a rearward direction. The pivotal movement of the subframe (31) relative to the shaker shoe (35) is accomplished through the use of a hydraulic cylinder (50) interconnecting the shaker shoe (35) and the subframe (31) to permit a lateral leveling of the grain pan (22) and chaffer sieve (26) when the combine is operated under sidehill conditions. An inclinometer (70) is utilized to control the flow of hydraulic fluid to the hydraulic cylinder (50) to permit the subframe (31) to be leveled in response to a sensing of a non-horizontal transverse inclination by the inclinometer (70).