FIELD: machine building.
SUBSTANCE: invention relates to automotive industry. Variable wheel track chassis comprises a frame connected with wheels via track variation mechanism, representing a slider-crank mechanism of breaking brace. Element having freedom of axial movement along the frame, articulated by levers-knees with rotary parallel-knees of equal length. Wheel axles are hinged at extra ties parallel to axis of the frame. Track variation mechanisms are made on the front and on the rear axles of the frame. Elements having freedom of axial movement along the frame, are made in the form of rectangular frames with the possibility of displacement relative to the frame along the guides made on the frame. Elements movement drive is made in the form of hydraulic cylinder of double action, comprising two pistons with rods, one non-rod and two rod cavities. Cavities are connected with a feed pump and accumulating tank via two-three-position hydraulic control valve.
EFFECT: technical result consists in expansion of operational capabilities.
1 cl, 2 dwg
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