TRACTION VEHICLE Russian patent published in 2004 - IPC

FIELD: railway transport; diesel locomotives and electric locomotives. SUBSTANCE: proposed traction vehicle contains main frame with automatic couplers, body, cabin, two-stage spring suspension, two, three or four two-axle bogies with frames, spring suspension, wheelsets with axle-boxes. Traction motors, traction reduction gears, tie-rods and guides. Main frame of traction vehicle contains central brackets hinge connected by tie-rods with bogie frames or with axles of rear wheelsets of one or two front bogies and front wheelsets of one or two rear bogies. Two side brackets of bogie are hinge-connected with brackets of axle-boxes of front wheelsets of one or two front bogies and rear wheelsets of one or two rear bogies by ties, axle-boxes being connected with frames of corresponding bogies by guides located higher than their axles. Two other side brackets are hinge-connected with brackets of axle-boxes of rear wheel-sets of one or two front bogies and front wheelsets of one or two rear bogies by ties, axle-boxes of said wheelsets being connected with frames of corresponding bogies by guides located lower than their axles. Brackets of axle-boxes are passed through sides of bogie frames. Maximum adhesion weight utilization factor is determined by equation. EFFECT: reduced overall dimensions of traction vehicle, provision of negotiation of small radius tracks and adhesion of wheels, and radial setting of wheelsets at running. 3 cl, 7 dwg