Single-stage double-axle box suspension device between vehicle bogie wheel pair and framework

• Main Authors: LIAO RENBIAO, ZHOU ZHANGYI
• Format: Patent
• Language: Chinese; English
• Published: 06.09.2022
• Subjects: PERFORMING OPERATIONS; PREVENTING DERAILING OF RAIL VEHICLES; RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES ORARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; RAILWAYS; TRANSPORTING; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAILVEHICLES

The utility model discloses a single-stage double-axle box suspension device between a vehicle bogie wheel set and a frame. Axle box single-stage suspensions are arranged inside and outside each wheel of the whole bogie wheel set; the outer axle box suspension comprises a longitudinally-arranged positioning pull rod, a primary vertical shock absorber, a vertically-arranged outer axle box spring component, an outer axle box body, an outer axle box bearing, an outer axle box end cover and an outer axle box bearing positioning check ring. The inner axle box suspension comprises an inner axle box spring component, an inner axle box body, an inner axle box bearing, an inner axle box end cover and an inner axle box bearing positioning check ring which are vertically arranged. By adopting the double-axle box one-stage suspension scheme, the stress state of the axle is better than that of the axle of a conventional outer axle box bogie and an inner axle box bogie, so that the whole wheel set axle can be lightened to