RAILWAY VEHICLE THREE-AXLE BOGIE Russian patent published in 2011 - IPC B61C9/48 B61F3/06 B61F5/00 

FIELD: transport.

SUBSTANCE: invention relates to railway transport and pertains to bogie design. Traction motors and reduction gear boxes are integrated in pairs to make geared motor assembly. Reduction gear box has housing. Gear and gear wheel shafts are arranged in reduction gear box that doubles as motor end shell. Wheel pair has single-dog axle boxes. Suspension springs are mounted on axle box housing brackets arranged above axle box axle. Lengthwise axis of axle box crosses wheel pair lengthwise axis. Hydraulic dampers are mounted between axle box housing and bogie frame. Hydraulic damper lengthwise axis crosses wheel pair lengthwise axis. Device comprises also six support of body, traction transmission and braking device made up of inclined tie rod articulated with bogie frame transverse beam bottom sheet and body frame bracket. Every wheel is equipped with disk brake incorporating automatic regulator of gap between brake liner and brake disk and cleaning block. Bogie wheels have automatic parking brake. Welded structure bogie frame incorporates bracket to secure inclined tie rod on one of transverse beams and six axle box supports on side members. Besides, there are two hydraulic anti-wobble dampers.

EFFECT: higher speed, safety and traction, reduced weight.

2 dwg