COULTER OF PRECISION SEEDERS WITH VERTICAL DISK DEVICES Russian patent published in 2021 - IPC A01C7/20 

FIELD: agricultural engineering.

SUBSTANCE: invention relates to agricultural engineering, in particular to the working bodies of seeders designed for precise seeding of seeds of cultivated crops. The coulter of precision seeding drills with vertical disk devices includes a drill coulter point with a scraper bar and two cheeks attached to it. The scraper bar has transverse dimensions commensurate with the size of the seeds, with a tolerance of 15-20% in the larger direction and is located deeper than the cheeks by the size of the seeds. Each cheek has a window with a soil capture bent outwards. The window is located at a distance l from the point of separation of the seed from the sowing disc, where l is the flight range of the seeds inside the coulter, m; ν the rotation speed of the sowing disc at the cell level, m/s; h the height of the seed fall, m; g the acceleration of free drop, m/s².

EFFECT: invention makes it possible to improve the quality of sowing due to the fact that the seeds, when falling into the groove, are fixed in place by the soil crumbling through special windows in the coulter.

1 cl, 2 dwg