WIDE-COVERAGE CULTIVATOR Russian patent published in 2016 - IPC A01B19/00 

FIELD: agriculture.

SUBSTANCE: invention relates to agricultural machine building. Wide-coverage soil cultivator comprises frame with hitching device, by rear part resting on pneumatic wheels, middle rotary bar, pivotally mounted on frame and locked thereat by hydraulic cylinders. At middle rotary beam ends side rotary beams with working and transport wheels, U-shaped drives and braces are installed by means of hinges in form of cross-pieces. Braces consist of 2 parts: front (11) with pins, springs, traps, latches and rear (18). On rotary beams single supports (24) are rigidly mounted with tooth-shaped harrows zigzag, installed in two rows, connected to each other, and fixed by anchor chains, adjustable by length. At outermost single supports (24) of side of rotary beams extra posts are mounted (36) by means of which at second row spike-tooth zigzag-shaped harrows edges additional zigzag harrows are mounted, providing soil harrowing by working wheels. Single supports (24) on middle and side rotary beams are additionally separately connected to each other by beams, arranged in parallel to middle and side rotary beams, respectively. Each single support (24) and anchor chains of corresponding front row zigzag harrows are fixed to rotary beams by one tension band. Tooth-shaped zigzag harrows suspension to single supports (24) is performed by other adjustable by length anchor chains, fixed by their centers. All second row toother zigzag harrows are by one side suspended to one single support (24), and by second to other adjacent, including zigzag-shaped toother harrows, located between central and side rotary beams, forming single connected chain of toothed zigzag harrows.

EFFECT: enabling simplified design and higher quality of harrowing.

1 cl, 4 dwg