FIELD: machine building.
SUBSTANCE: invention relates to automotive industry. Tractor steering wheel rotation system and semi-frames comprises hydraulic steering wheel communicated via oil lines with front controlled wheels turn hydraulic cylinder and connected with frame turn hydraulic cylinders via semi-frames alignment stabilizer. Alignment stabilizer includes signal hydraulic cylinder are communicated with hydraulic steering. Hydraulic steering is connected with rear controlled wheels turning hydraulic cylinder via straightness stabilizer of their travel. Travel straightness stabiliser includes signal hydraulic cylinder communicated via oil lines with hydraulic steering. Rods of signal hydraulic cylinders are connected with compressed to threshold force centering springs and are connected with hydraulic distributors. Hydraulic distribution valves control channels are connected with semi-frame turning hydraulic cylinders and rear controlled wheels.
EFFECT: better tractor controllability.
1 cl, 1 dwg
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