| 摘要 |
PROBLEM TO BE SOLVED: To improve separation performances of first grade grains in a thresher loaded onto a combine harvester or a harvester. SOLUTION: The thresher is composed as follows. A threshing cylinder 31 is axially installed in a threshing chamber 33 and a shaking separation shelf 38 for receiving materials which are leaked down from a threshing net 30 to be treated and shaking and transferring the materials below the threshing chamber 33 is arranged. A winnower 43, a first screw 46 and a second screw 47 are provided from the upstream side in the feeding direction of a separation wind below the shaking separation shelf 38. In the thresher, a second winnower 51 is provided in front of the winnower 43 and a part of the separation wind raised with the second winnower 51 is blown to the interior of the winnower 43. COPYRIGHT: (C)2006,JPO&NCIPI
|
