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    • 21. 发明申请
    • PLASTIC SCREW ANCHOR FOR SECURING A RAIL TO A RAILROAD TIE
    • 用于将铁路固定到铁路车辆的塑料螺丝锚杆
    • US20130056545A1
    • 2013-03-07
    • US13640369
    • 2011-05-25
    • Erik DannebergTilman Peter RuetzelRoland BudaFrank Meyer
    • Erik DannebergTilman Peter RuetzelRoland BudaFrank Meyer
    • E01B9/18
    • E01B9/18
    • The invention relates to a plastic screw plug (6) for attaching a rail to a sleeper, in particular concrete sleeper, having an essentially cylindrical plug body which has at the head end a stem region (7) which preferably adjoins a plug crown (8) toward the bottom, and in the continuation of which stem region (7) has an outer thread (9) with which it can be turned out of or into the sleeper, and is provided with an inner thread (10) underneath the stem region (7) in order to receive a sleeper screw. The intention is to improve such a plastic screw plug, in particular, with regard to its operating properties such as uniform application of force into the sleeper, simpler mounting and replaceability, reduction of the risk of fracturing, and additionally to permit it to be used in a variable way. For this purpose, the stem region (7) has on the inside, in the junction with the inner thread (10), a shoulder (13) which reduces the internal diameter over part of the length of the stem region (7) and extends in a spiral shape over at least part of the circumference.
    • 本发明涉及一种用于将轨道连接到轨枕,特别是混凝土轨枕的塑料螺栓(6),其具有基本上圆柱形的塞体,头部具有杆部区域(7),杆部区域优选地邻接塞子冠部(8) ),并且在所述杆区域(7)的延续中具有外螺纹(9),所述外螺纹(9)可以被转动到所述轨枕中或者进入所述轨枕,并且在所述杆部区域下方设置有内螺纹(10) (7),以便接收卧铺螺丝。 其目的是改进这种塑料螺塞,特别是关于其操作性能,例如将力均匀地施加到卧铺中,更简单的安装和更换性,降低压裂的风险,并且还允许使用它 以可变的方式。 为此目的,杆区域(7)在内部与内螺纹(10)的接合处具有肩部(13),该肩部(13)减小了杆部区域(7)长度部分的内径并且延伸 在圆周的至少一部分上呈螺旋状。