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    • 5. 发明授权
    • Motor-vehicle carrying railcar with offset H-frame
    • 带有偏移H架的机动车车载轨道车
    • US06244801B1
    • 2001-06-12
    • US09575895
    • 2000-05-22
    • James P. KlagRichard E. JamrozyRobert J. Recupido
    • James P. KlagRichard E. JamrozyRobert J. Recupido
    • B60P900
    • B61F1/10B61D3/18
    • A novel sidewall structure for a motor-vehicle carrying railway car wherein at least one upper deck is supported principally by longitudinal beams that are themselves supported by end structures, without the need for large, heavy vertical posts to support the decks between the end structures. To provide a lightweight car body with sufficient strength and durability for commercial rail service, the car body may be of monocoque construction. Each sidewall preferably has a plate girder structure that employs the horizontal beams as its principal supports, with the beams tied together by sidewall panels or plates. A plurality of light stiffeners may be employed to limit flexure of the sidewalls. Each of the end structures preferably comprises an offset H frame that includes a draft sill joined to a body bolster, and inner and outer cross bearers joined to the draft sill. In the offset H frame, the draft sill slopes downward and inward, with the inner cross bearer being at a lower elevation than the outer one. Vertical posts extend upward at the ends of the cross bearers to support end portions of the longitudinal beams. The ramps may be of compound configuration, comprising a plurality of generally planar segments sloped at varying angles to provide increased bottom clearance for motor vehicle ends during loading and unloading.
    • 一种用于机动车辆载运铁路车辆的新型侧壁结构,其中至少一个上甲板主要由纵向梁支撑,纵向梁本身由端部结构支撑,而不需要大的重的立式柱来支撑端部结构之间的甲板。 为了为商用轨道服务提供足够的强度和耐久性的轻型车体,车体可以是单体式结构。 每个侧壁优选地具有采用水平梁作为其主要支撑的板梁结构,其中梁通过侧壁板或板连接在一起。 可以使用多个轻的加强件来限制侧壁的弯曲。 每个端部结构优选地包括偏移H框架,该偏移H框架包括连接到主体垫架的通风门框,以及连接到起落梁的内外横向承载件。 在偏移H框架中,通风槽向下和向内倾斜,其中内交叉承载体处于比外侧承架更低的高度。 垂直柱在十字架的端部向上延伸,以支撑纵向梁的端部。 斜坡可以是复合构造,包括多个大体上平面的段,其以不同的角度倾斜,以在装载和卸载期间为机动车辆端部提供增加的底部间隙。