RAILWAY VEHICLE BOGIE BOLSTER SUSPENSION Russian patent published in 1998 - IPC

FIELD: railway transport. SUBSTANCE: suspension of bogie has two suspensions installed at each side of frame at equal distance from center of frame. Solid suspensions are rigidly connected by upper ends to side beams of frame. Two similar hinges are rigidly connected to lower ends of suspensions from inner side. Spring suspension has also pan, two springs installed on pan and overspring beam installed on springs. Each end of overspring beam has two side bearers and end face bearer. Guides for bearers are installed on frame with clearance opposite to bearers. Hydraulic vibration damper is installed at angle relative to horizontal plane. Vibration damper is hinge connected by ends with brackets installed on middle of frame side beams and one end of overspring beam. Safety rod is passed through pan and each spring. One end of rod is hinge-connected with side beam of frame, and other end is provided with stop installed with clearance relative to pan provided with eyes. Shaft with stop member is fitted in each hole of hinge and corresponding eye. EFFECT: improved reliability and side rigidity of bogie spring suspension. 2 dwg