| 摘要 |
An improved railway car truck is provide that includes two sideframes and a bolster. The bolster has laterally opposite ends, each end extending into and supported within a sideframe opening on a spring group. Each sideframe also has a pedestal opening at each end to receive a bearing adapter assembly. The railway car truck also includes two brake beam assemblies supported on the railway car truck bolster and sideframes. Each brake beam assembly includes an elongated main section, a support section, and a standoff section extending between the main section and support section. Two brake hangers comprised of a leg sections and a bottom section support an end of the brake beam assembly. The brake hangers can be reversed such that the brake head support sections can be spaced laterally to adapt to different rail gauges. Further, an improved center plate is provided on an upper surface of the bolster, wherein the center plate includes a center plate liner which is comprised of a circular disk of austempered ductile iron.
|
