| 简介 |
A combine harvester (10) comprising a pair of axial separating rotors (20) each extending side-by-side within respective housings (19) in a longitudinal direction and serving to separate grain from straw. A feed beater (18) is provided which rotates on a transverse axis (X) and is located in front of the separating rotors to direct a crop flow rearwardly under the feed beater. Directional vanes (34) on the feed beater direct the crop flow away from a central zone of the beater and toward respective crop streams associated with the two rotors. Scraper apparatus (50) comprising stationary vanes (54) are provided above the beater. Crop material which back feeds over the top of the beater is scraped free of the beater and directed outwardly by the stationary vanes so that the scraped material is re-fed under the beater away from the central zone. |
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