RAILWAY ROLLING STOCK FOUR-AXLE BOGIE Russian patent published in 2004 - IPC

FIELD: railway transport; locomotive bogies. SUBSTANCE: according to first design versions, in four-axle bogie of locomotive containing two double-axle bogie 1, swinging suspensions 2, intermediate frame 3 and articulated-lever mechanism connecting double-axle bogies with brackets secured in middle of intermediate frame, cross-bar 6 is connected to lower part of cross beams of frame of double axle bogies for angular displacement in horizontal plane. Ends of cross bar 6 are connected through longitudinal tie-rods 8 of articulated-lever mechanism with brackets 9 of intermediate frame 3. According to second design version, post is secured in lower part of each side of frame of double-axle bogie, and bell crank of articulated-lever mechanism is secured on end face of post for angular displacement in horizontal plane. Articulated-lever mechanism is hinge-coupled with longitudinal tie-rod coupled with bracket of intermediate frame, and with cross tie-rod coupled with bell crank secured on post of other side of frame of double-axle bogie. EFFECT: reduced vibrations at galloping. 3 cl, 4 dwg