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    • 1. 发明申请
    • RAILWAY RAIL FASTENING ASSEMBLIES INCLUDING RESILIENT RAILWAY RAIL FASTENING CLIPS AND ASSOCIATED INSULATORS
    • 铁路固定装置,包括可修复的铁路轨道紧固和相关的绝缘子
    • WO1997036055A1
    • 1997-10-02
    • PCT/GB1996000739
    • 1996-03-27
    • PANDROL LIMITED
    • PANDROL LIMITEDWOOD, Timothy, AlanSTUBBS, KevinCOX, Stephen, JohnSOMERSET, Martin, DavidCONROY, Brian, George
    • E01B09/30
    • E01B9/303
    • In an assembly for use in fastening a railway rail to an underlying rail foundation, a resilient railway rail fastening clip (1, 2, 3) has at least one portion (1a) which when in use bears on, and extends substantially parallel to, a flange (301) of an adjacent railway rail (300), and retains an insulator (13, 13') for electrically insulating the clip (1, 2, 3) from the rail (300) when in use. The insulator (13) is held in engagement with the clip (1, 2, 3), which has a rail bearing portion of substantially circular cross section, such that it can rotate about the longitudinal axis of the said rail bearing portion (1a). Unlike the prior art the insulator is self-aligning on the rail flange (301) when the rail (300) moves. One insulator (13, 13') disclosed has at least two load bearing surfaces (13a), such that it may be rotated so as to present an unworn load bearing surface (13a) to the rail flange (301). The thickness of material between the load bearing surfaces (13a) of the insulator (13, 13') and the rail bearing portion (1a) of the clip (1, 2, 3) may be made to vary between adjacent load bearing surfaces (13a), such that the insulator (13) can be rotated so as to adjust the height of the rail bearing portion (1a) above the rail flange (301).
    • 在用于将铁路轨道固定到下面的轨道基座上的组件中,弹性铁路轨道紧固夹(1,2,3)具有至少一个部分(1a),当使用该轨道的紧固夹在使用中承载并基本平行延伸时, 相邻的铁轨(300)的凸缘(301),并且在使用时保持用于将夹子(1,2,3)与轨道(300)电绝缘的绝缘体(13,13')。 绝缘体(13)与夹子(1,2,3)保持接合,所述夹子(1,2,3)具有基本上圆形横截面的轨道承载部分,使得其能够围绕所述导轨支承部分(1a)的纵向轴线旋转, 。 与现有技术不同,当轨道(300)移动时,绝缘体在轨道凸缘(301)上自对准。 所公开的一个绝缘体(13,13')具有至少两个承载表面(13a),使得其可以旋转以便向轨道凸缘(301)提供未磨损的承载表面(13a)。 绝缘体(13,13')的承载表面(13a)和夹子(1,2,3)的导轨支承部分(1a)之间的材料的厚度可以在相邻的承载表面之间变化 13a),使得绝缘体(13)能够旋转,以便将轨道承载部分(1a)的高度调节到轨道凸缘(301)上方。