MOTOR GRADER Russian patent published in 2017 - IPC E02F3/76 

FIELD: construction.

SUBSTANCE: motor grader includes a wheeled propulsor, a sub-engine frame, a main beam, to the front end of which a traction frame is hingedly connected, having a turntable carrying a blade equipped with a mechanism for its extension and changing the cutting angle, hydraulic cylinders for lifting and lowering the blade, hingedly connected to the main beam and the traction frame, and a hydraulic cylinder of the traction frame offset, installed at an angle of 30-60° to the support surface of the motor grader, hingedly connected to the main beam and the traction frame; the turntable center axis is located in the vertical plane passing through the longitudinal cutting edge of the blade in its working position, and the axis of the hydraulic cylinder of the traction frame offset is located in the vertical plane passing through the turntable center.

EFFECT: reducing the operational loads on the blade control hinges while increasing the manageability of the motor grader under the workload.

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