Abstract
The results of laboratory studies confirming the possibility of preliminary separation of free grain from the stripped grain heap before it enters the threshing chamber of a combine harvester are presented. For example, it has been established that the maximum free grain passage through the holes of the lath bottom is 68, 7% with a width of its holes of 8 mm and a length of 160 mm. The length increase of the lath bottom of the inclined chamber of the combine harvester up to 1182 mm ensures a complete separation of grain from the heap and exclude the possibility of its falling into the threshing chamber.
Highlights
One of the promising directions for improving the technological process of harvesting grain and leguminous crops is stripping stand- When the grain heap 3 is moved by the cross slats of the ing plants [1], [2]
The spread of this harvesting method is re- floating conveyor 2 upward along the inclined chamber lath bottom strained by the fact that, with an orientation toward the existing 1, free grain 5 must, under the action of gravity, pass through the combine harvester technological scheme, theoretically possible po- holes of the separating grid 4, directly into the combine harvester tential for increasing efficiency is not realized
Part of this is due to cleaning system 7
Summary
One of the promising directions for improving the technological process of harvesting grain and leguminous crops is stripping stand- When the grain heap 3 is moved by the cross slats (scrapers) of the ing plants [1], [2] The spread of this harvesting method is re- floating conveyor 2 upward along the inclined chamber lath bottom strained by the fact that, with an orientation toward the existing 1, free grain 5 must, under the action of gravity, pass through the combine harvester technological scheme, theoretically possible po- holes of the separating grid 4, directly into the combine harvester tential for increasing efficiency is not realized.
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