LOCOMOTIVE THREE-AXLE BOGIE Russian patent published in 2015 - IPC B61F3/06 B61F5/48 B61F5/52 

FIELD: transport.

SUBSTANCE: bogie comprises frame supporting motored wheel units and mounted axles with axle boxes, links and spring sets. Bogie frame ends and crossbars, whereat extreme motored wheel units are fitted, their vertical wall are furnished with horizontal arched semicircular-section grooves with spherical heads sliding therein and rigidly secured at extra frames curved sections. Extra frames support axle boxes with links, spring sets and mounted axles as well as traction motors. Torsion rods are secured at both sides of extra frames to make there levers contact with vertical surfaces of bogie frame ends.

EFFECT: reduced wear of mounted axle wheel flanges at curved track sections.

3 dwg