Central suspension device of rapid railway wagon bogie

• Main Authors: WANG AIMIN, WU CHANG, LIAO JUN, LI ZHIQIANG, DENG TAO, ZHANG XIANFENG, ZHU JI, LI HENGLI, ZHOU LING, ZUO SHIBIN, LUO HANJIANG, WANG YUNGUI, WANG PU
• Format: Patent
• Language: Chinese; English
• Published: 03.09.2014
• 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 central suspension device of a rapid railway wagon bogie. The central suspension device of the rapid railway wagon bogie comprises a frame, a bolster and suspension springs which form the bogie, wherein each suspension spring is formed by rubber pads at the two ends and a steel spring at the middle part in a serial connecting way, and the two ends of the suspension spring are respectively connected with the frame and the bolster; each group of central suspension device comprises two groups of suspension springs which are arranged in parallel; the frame comprises a seat which is fixedly connected with the suspension springs, and the seat is arranged at the vertical middle part of the frame side beam and on the outer side of the centerline, and the bearing and fixing surface of the seat is lower than the upper plane of the frame side beam. The central suspension device of the rapid railway wagon bogie has the advantages that since the seat surface is moved downwards from the upper