FIELD: transport engineering. SUBSTANCE: device makes it possible to use three-position six-line hydraulic control valve unit in two design versions with preservation of layout of pipes. Hydraulic control valve unit in first design version provides turning of front wheels, and that in second design version, provides turning of rear wheels. Depending on design version, two-way hydraulic lock is mounted on hydraulic cylinder which controls turning of axle wheels. Selection of position of plunger in hydraulic control valve unit defines vehicle steering modes. Control is provided by means of handle with locking of selected position by ball detent. EFFECT: enlarged operating capabilities. 3 cl, 3 dwg
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Authors
Dates
1995-10-10—Published
1993-04-23—Filed