FIELD: railway transport; car running bogies.
SUBSTANCE: proposed bogie has frame made in form of cross beam rigidly coupled with longitudinal sides connected with bearings of wheel axles by means of elastic members with vibration dampers. Cross beam has longitudinal cutout of length not less than half of its length. Vibration damper is made in form of elastic hollow unit filled with working liquid and closed by plate with restrictor under which space communicating with space of elastic unit is formed by means of elastomer diaphragm. Unit of longitudinal coupling of bogie with car is provided with elastic members arranged along longitudinal axis of bogie in hole for pivot or on surface of cross beam.
EFFECT: decreased dynamic interaction of wheels and track, reduced wear of rails and wheelsets.
9 cl, 7 dwg
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