SOWING SECTION OF FERTILISER GRAIN DRILL Russian patent published in 2010 - IPC A01C7/00 

FIELD: agriculture.

SUBSTANCE: sowing section of fertiliser grain drill comprises stand, disk knife, flat cutting center hoe, which is rigidly fixed to wedge, fertiliser hose, fertiliser grain hoses and roller. Axis of center hoe symmetry is matched with axis of disk knife symmetry. Fertiliser hose is rigidly fixed on wedge back. Sowing section also has wedges, ends of which in horizontal plane are arranged on parallel lines that are at equal distance from axis of disk knife. Stand is arranged as L-shaped of two parts joined with hinge arranged in middle part of stand. Brackets hingedly joined to each other by a length-adjustable traction rod equipped with spring are rigidly fixed to front and back parts of L-shaped stand. Upper end of front part of L-shaped stand has a bushing. At the bottom of front part there is a front axis rigidly fixed, onto which central disk knife is installed. Wedge contacts with lateral side of disk knife. In back part of L-shaped stand along both sides there are axes fixed with displacement versus each other, and disk knives are installed on them. Wedge contact with lateral surface of disk knives. Roller is hingedly fixed to end of stand back part.

EFFECT: use of sowing section makes it possible to reduce energy inputs, to improve quality of sowing, to increase efficiency of fertiliser application and crop capacity of grains.

9 cl, 3 dwg