MOTOR GRADER Russian patent published in 2019 - IPC E02F3/76 B60D1/06 F16C11/06 

FIELD: machine building.

SUBSTANCE: invention relates to earthmover-transporting machines, in particular to motor graders, namely to devices of grader equipment. Motor grader comprises articulated frame consisting of rear semi-frame and front half-frames, and working equipment, including traction frame with grader blade, which is connected to front semi-frame by means of ball bearing consisting of housing and ball pin, which ball head is located in hemispherical cavity of housing. Ball bearing is made with possibility of multiple mounting/dismounting. Ball bearing housing is detachable and consists of two flange plates connected to each other with possibility of assembly/disassembly and fixed on the front semi-frame with possibility of dismantling. In each of the flange plates there are hemispherical cavities forming a single spherical cavity of the housing, into which ball head of the ball pin is installed, which shaft is made along the entire length of one diameter, wherein its length is smaller than the diameter of the ball head, and is equipped on the end with a flange, by means of which the ball pin is fixed on the traction frame also with possibility of dismantling.

EFFECT: longer service life and repairability of working equipment of motor grader with possibility of replacement of ball bearing elements.

1 cl, 4 dwg