RAILWAY VEHICLE BOGIE Russian patent published in 2012 - IPC B61C9/48 B61F3/02 B61F5/00 

FIELD: transport.

SUBSTANCE: invention relates to railroad transport. Traction motors and reduction gearboxes are integrated into geared-motor units arranged on bogie frame. Reduction gearbox has structural housing. Gear shaft and gear wheel shaft are arranged in reduction gearbox housing that doubles as motor end shell. Gearing mechanism made up of hollow shaft making an external member of wheel pair and two coupling axle is arranged between reduction gear and wheel. Suspension springs are arranged on axle box supports arranged above axle box tie rod while axle box tie rod lengthwise axis crosses that of mounted axle. Hydraulic dampers are arranged between axle box and bogie frame. Hydraulic damper lengthwise axis crosses that of mounted axle. Body support compression and shear springs are arranged at maximum distance between them in direction of bogie frame side lengthwise axis. Two horizontal crosswise hydraulic dampers are arranged on one side of bogie crosswise axis while two anti-wobble hydraulic dampers are arranged on one side of bogie crosswise axis. Each wheel is equipped with disk brake with automatic regulator of clearance between brake lining and brake disk and cleaning unit. Bogie wheels are equipped with automatic parking brake. Bogie frame lengthwise side members jointed by central and two end beams are curved in vertical and provided with two axle box con rod attachment brackets.

EFFECT: higher speed and safety.

6 cl, 4 dwg