PLANTING UNIT FOR SINGLE-SEED PLANTING SEEDS OF GRAIN CROPS Russian patent published in 2015 - IPC A01C7/16 

FIELD: agriculture.

SUBSTANCE: planting unit comprises a cellular drive disc with a seed reflector closed in a non-working area with a casing, and a cellular disc drive. And the cellular disc is mounted at an angle to the horizontal plane, and the cells are made in the shape and size of the seeds and are located at the periphery of the disc at a distance 0.5-1.0 mm from the outer edge of the disc with the placement of cells along the length in the direction of rotation. The lateral inner wall of the cells has alignment projections having a height equal to the 0.6-0.7 thickness of sown culture seed. The angle of inclination of the sowing disc to the horizontal plane is 75-80°. The upper part of the sowing disc is coupled with the sowing window in the side wall of the seed box and the brush reflector-ejector. The drive shaft of the sowing disc is mounted on the sleeve-type bearings and has a chain drive. The lower part of the seed box is made wedge-shaped and encompasses the outer edge of the sowing disc with the possibility of its mounting and dismounting.

EFFECT: increased yield of grain crops by improvement of accuracy of seed placement with the predetermined interval.

2 dwg