TRACTION VEHICLE Russian patent published in 2005 - IPC

FIELD: railway transport; locomotives.

SUBSTANCE: proposed traction vehicle contains main frame, automatic couplers, body, cab, two-stage spring suspension, two, three, or four two-axle bogies with frames, spring suspension, wheelsets with axle boxes, traction electric motors, traction reduction gears, tie-rods and carriers. Main frame is furnished with central brackets passed between axles of each traction bogie and equipped with crossmembers connected with brackets for rotation around vertical axle and hinge-connected by ends through tie-rods with axle of bogie wheelsets. Side brackets secured on frame are hinge-connected with brackets of bogie axle boxes. Axle boxes of said wheelsets are connected with frames of corresponding bogies by carriers. Invention provides negotiation of small radius track curves and building of four-axle and multiaxle traction vehicles on base of modular two-axle bogies.

EFFECT: reduced overall dimensions of locomotive, particularly, its brackets and bogies.

4 cl, 7 dwg