ADDITIONAL SUPPORT AXLE Russian patent published in 2017 - IPC B62D61/12 B60B39/00 

FIELD: agriculture.

SUBSTANCE: additional support axle is installed in front of the tractor and represents a U-shaped rigid welded frame. The frame consists of a longitudinal bar and a transverse bar, and is hinged on the tractor frame. On the transverse bar swivel clips are rigidly fixed, in which turning forks with pneumatic wheels are installed. Raising and lowering the structure is carried out by hydraulic cylinders, the housings of which are hinged to the tractor frame, and the rod - to the transverse bar. The turning forks are made from two side walls fixed to the plate at an angle providing maintaining the distance "B" between the horizontal rotation axis of the wheel and the vertical rotation axis of the fork. The distance "B" is determined from the expression B = (0.4÷0.6)D_k, where D_k is the wheel diameter. The turning fork plate has the vertical axis mounted via two roller bearings, a thrust bushing, a thrust washer and two nuts in the housing of the swivel clip fixed to the transverse bar.

EFFECT: increased performance of a machine-tractor unit due to the uniform distribution of the wheel tractor's own load in all axes.

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