FIELD: agriculture.
SUBSTANCE: invention relates to agricultural machine building and may be used in combine harvesters for high-quality finish threshing of a cereal heap that arrives from combine cleaning. A finishing threshing device comprises a body with a shaft installed in bearing supports with the possibility of rotation from a pulley of a V-belt drive. Replaceable blades and a concave with a row of pins are arranged on the shaft with the help of a hub. To intensity a process of finish grinding of cereal heap, height of pins in rows increases along with direction of cereal heap movement along the concave surface. Replaceable blades are installed in radial slots of the hub and are fixed with fixation facilities. The shaft with the hub and replaceable blades is installed with the possibility to vary rotation of frequency.
EFFECT: device provides for threshing of grain and seeds from ears and heads of a wide spectrum of crops with their least grinding and damage.
3 cl, 5 dwg
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