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    • 4. 发明申请
    • RAILWAY BOGIES
    • 铁路博客
    • WO2006072800A1
    • 2006-07-13
    • PCT/GB2006/000052
    • 2006-01-06
    • SCT TECHNOLOGY, LLCHEWITT, PaulJAMIESON, Wayne
    • HEWITT, PaulJAMIESON, Wayne
    • B61F5/30B61F5/52
    • B61F5/301B61F5/30B61F5/308B61F5/52
    • This invention relates to bogies for railway rolling stock. In particular it relates to suspension arrangements for such bogies wherein the frame is mounted on a spring suspension arrangement. In one embodiment the spring suspension arrangement comprises two groups of springs on either side of a wheel axle (11) , each group comprising an inner spring (14) and two outer fore and aft springs (15, 16). In another arrangement there are two lower springs (14) on either side of a wheel axle (11) and at least one upper spring (21) above the axle. The arrangements described provide better lateral and longitudinal stiffness and shear characteristics which, reduce hunting and wheel wear. They also enable the axles to accommodate increased loads.
    • 本发明涉及铁路车辆用转向架。 特别地,其涉及这种转向架的悬挂装置,其中框架安装在弹簧悬挂装置上。 在一个实施例中,弹簧悬挂装置包括在轮轴(11)的任一侧上的两组弹簧,每组包括内弹簧(14)和两个外前后弹簧(15,16)。 在另一种布置中,在轮轴(11)的任一侧上有两个下弹簧(14)和在轴上方的至少一个上弹簧(21)。 所描述的布置提供了更好的横向和纵向刚度和剪切特性,其减少了狩猎和车轮磨损。 它们还使轴可以适应增加的负载。