FIELD: machine building.
SUBSTANCE: all purpose tractor contains front drive sprung axle and articulated semi-frames with possibility of their mutual turn by steering device. Articulated semi-frames are connected by automatic stabilizer of their mutual alignment. Front drive axle of the tractor is connected with springs with possibility of its turning by hydraulic cylinders around vertical hinge arranged between springs by right and left suspensions rigidly connected with axle beam. One of the vertical walls of each suspension touches inner edges of spring and is cylindrical with radius according to formula
where L is the distance between centres of the right and left springs,
b is spring width,
±h is asymmetric offset to one of the springs of axle turn vertical hinge, wherein sign “plus” is used for suspension which is located further from the vertical hinge of axle turn, sign “minus” is used for suspension, which is located closer to vertical hinge of axle turn.
EFFECT: precise driving of tractor on pass during cultivating operations.
1 cl, 3 dwg
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