| 摘要 |
PROBLEM TO BE SOLVED: To prevent grain bites in an extension auger for discharging grains during interruption of discharging, to enlarge an extension stroke, and to improve efficiency of grain discharging operation. SOLUTION: The reaping thresher includes an extension augers for discharging grains which is formed of an extension cylinder (15) concentrically extending from a slide support part (14) arranged slidably along a horizontal transport auger cylinder (13) and an extension auger shaft (16) equipped with a divided helix (27) that is connected slidably and unrotatably relative to the auger shaft (12) in the extension cylinder (15) and expands and contracts with sliding of the extension cylinder (15). The extension cylinder (15) is constituted by a turning cylinder concentrically with the extension auger shaft (16) and turnably supported, equipped with an outlet (17) at a transport end part of vertical one side of the extension cylinder (15) and an expansion part (24) expanding in a direction separating from the axis of the extension auger shaft (16) in a prescribed region in the axial direction of the extension auger shaft (16) at the other vertical side of the extension cylinder (15). COPYRIGHT: (C)2011,JPO&INPIT
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