| 摘要 |
Disclosed is a spring set for suspension in trucks of freight car containing nine symmetrically located double-row (inner and outer) twisted coil springs, on two of which the friction wedges 1 are based, and seven of which are located under the bolster 2, has internal springs 3 under the friction wedges, external springs 4 under the friction wedges, internal springs 5 under the bolster, external springs 6 under the bolster made with decreased height. The springs of set at compression up to closing of coils have the same height. |
