FIELD: railway vehicles.
SUBSTANCE: invention relates to trolleys equipped with passive hydraulic system to control wheel pairs and cars containing such trolleys. Proposed trolley comprises two mounted axles. Wheel each wheel is equipped with hydromechanical converter units, made with possibility to convert movement of each wheel towards transverse plane and from it. In addition, the hydraulic control system comprises a valve adjustment assembly hydraulically connected to all hydromechanical transducers. Valve assembly can be installed in two positions. In the first position, the front transducers are disconnected from the rear transducers, and in the second position, the front transducers are connected to the rear transducers.
EFFECT: better control of wheel pairs both in curves of small radius and on rectilinear sections of track.
14 cl, 4 dwg
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