FIELD: transport.
SUBSTANCE: invention relates to railroad transport. The device includes turning axle body (1), wheels (4), in reference to each wheel (4) there is axial bearing (6) which is placed into nonrotating locking sleeve (7) which contains locking elements (11). In accordance with locking elements (11) of each wheel (4) there are pairs of bodies (16) located on corresponding end supporting journal-box (10). When axle body (1) is lowering under action of gravity the locking elements (11) of each wheel (4) come out of pairs of bodies (16) thus allowing wheel 4 to be shifted in position of new rail gage, and when body 1 is raised the locking elements (11) penetrate into other pair of bodies (16) thus fixing the wheel (4) in this new position.
EFFECT: automatic change of rail gage in trucks of railway cars.
11 cl, 13 dwg
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