COMBINED TILLAGE AGGREGATE Russian patent published in 2020 - IPC A01B49/02 

FIELD: agriculture; machine building.

SUBSTANCE: invention relates to agricultural machine building, particularly, to technical equipment for sub-soil tillage. Combined tillage machine comprises bearing frame with lengthwise and crosswise beams and connection device. On the front and rear beams of the bearing frame there are stilts with a working element made in the form of a holder with rectilinear and oval parts. Rectilinear part is made in the form of plank made at acute angle to horizontal surface and rigidly fixed on post with possibility of dismantling. Lower part of the holder is made in the form of an elongated ellipse, the length of which is twice less than the length of the plate. Upper oval part – ripper, lower – paraplough. Ripper and paraplough height is equal. On the ripper and paraplough joint on the side of the nose there is a groove for the cultivator duckfoot shovel. On the back side of the duckfoot shovel there is a groove for the holder; at that, the ratio of the length of the duckfoot shovel and holder grooves is 1:3, the height of the holder is at least more than the depth of cultivation, and the thickness is three times less than its width.

EFFECT: use of the invention improves quality of soil treatment and water-air balance, increases crop capacity and reduces fuel consumption.

1 cl, 8 dwg