DEVICE FOR GRAIN PRELIMINARY THRESHING

摘要

FIELD: agriculture; machine building.SUBSTANCE: invention relates to agricultural machine building and can be used during grain crops harvest. Device for grain preliminary threshing includes housing, beater with pin mechanism and working elements fixed by fastener on L-shaped bracket. In beater along bracket openings are arranged with cups installed in them and connected with beater. In each cup spring is installed and rod connected with bracket by means of hinge. Bracket is mounted on support fixed on beater with possibility to oscillate on support axis. On beater before each working element shield is installed. On beater outer side cups are closed with covers.EFFECT: device provides increase of grain fraction recovered from head with minimal damage.1 cl, 3 dwg