AUTOMOTIVE SELF-RECOVERY DEVICE Russian patent published in 2016 - IPC B60B15/00 B62D57/00 B60B39/00 

FIELD: machine building.

SUBSTANCE: device for vehicle self-drawing contains power element arranged under vehicle frame, control system and hydraulic accumulator. Power element is made in form of a system, including hydraulic injector and support element, which are movably connected cross in vertical projection of support and two paired pushing hydraulic cylinder with their back ends are movably connected with mounting element. Control system comprises pressure and return lines, hydraulic control valve, inside which a drum-distributor, containing supply and return chambers with their shells of supply and return slots. Drum-distributor slots coinciding with mating feed and return unions, made in housing of hydraulic control valve is opened, working medium flowing in pressure and return lines connecting respectively hydraulic injector and hydraulic cylinders, hydraulic cylinders and hydraulic accumulator.

EFFECT: higher possibility for vehicle self-drawing used in difficult road conditions.

1 cl, 11 dwg, 1 tbl