CULTIVATOR-SUBSOILER Russian patent published in 2017 - IPC A01B49/02 A01B13/14 

FIELD: agriculture.

SUBSTANCE: cultivator-subsoiler comprises the drawbar with the hydraulic cylinder, pivotally connected with the sectional frame. The support wheels with depth adjustment mechanisms, the transport wheels, the racks, the duck-foot shovel, the tillers and the toothed spring harrows arranged with the possibility of adjustment by height are mounted on the frame. The tiller 6 is formed as a saber rack with a convexity toward the unit movenet direction with the sharpening angle 8…10°. At the end of the tiller, the bit is removably fixed with the incidence angle of 12…15°. The ratio of the tiller thickness to the bit width and the tiller width is determined with the condition of 1:2:5.

EFFECT: improving the soil tillage quality, reducing the load on the tiller surface, and fuel economy.

4 dwg