RAILWAY FOUR-AXLE TRACTION VEHICLE (VERSIONS) Russian patent published in 2008 - IPC B61F5/02 

FIELD: railway transport.

SUBSTANCE: according to first design version, frame of traction vehicle is furnished with two side brackets 5 for each wheelset hinge-connected by braces 20 with upper ends of bellcranks 24 hinge-mounted on bogie frames, two per each wheelset, by center part for first and fourth wheelsets and by lower ends for second and third wheelsets. Wheelset axle boxes 17 are connected, respectively, with lower ends and middle parts of said bellcranks. According to second design version, side brackets of frame are hinge connected by braces with upper ends of bellcranks hinge-mounted on bogie frames, two per each wheelset, by middle parts. Axle boxes of first and fourth wheelsets are connected with lower ends of bellcranks, and those of second and third wheelsets, with lower ends of second bellcranks installed on bogie frame, two per second and third wheelsets, which are hinge-connected by upper ends with lower ends of first bellcranks.

EFFECT: reduced overall dimensions of vehicle, unsprung mass of bogies, dynamic loads in motion, provision of radial setting of wheelset axles.

16 cl, 6 dwg