WIDE-COVERAGE TILLING UNIT Russian patent published in 2017 - IPC A01B49/00 

FIELD: agriculture.

SUBSTANCE: unit includes a frame with a towing device, resting with its rear part on pneumatic wheels and a middle rotation bar fixed by hydraulic cylinders to the frame. Lateral rotation bars with working and transport wheels are mounted on the bar by means of cardan joints, U-shaped arms, ties consisting of 2 parts: front ones - short and rear ones - long, with pins, springs, catchers and latches. On the rotation bars, replaceable double racks or replaceable single long racks with zigzag spike-tooth harrows are rigidly mounted. The harrows are fixed by anchor chains, adjustable in length. The transport wheels are mounted on the lateral rotation bars by means of brackets (29). The brackets (29) consist of fixed parts - housings (30) and racks (31) movably mounted in them, on which the axles (32) of transport wheel hubs (33) are mounted. The racks of the transport wheels in the housings (30) are fixed with detachable locking pins (38) installed in aligned openings (34 and 36) of the brackets (29). The brackets (29) are rigidly fixed: ones on the housings (30), the others - on the movable racks (31). Changing the installation angle of transport wheels to the lateral rotation bars is carried out stepwise from 0° to 45° with a detachable lever (39), which is put on the pins (38) rigidly mounted on the movable racks in order to carry out the rotation.

EFFECT: shortening the path of the unit moving around a field when it is transferred from the transport position to the working position and back.

8 dwg