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    • 3. 发明公开
    • Method and device for welding rails
    • Verfahren und Vorrichtung zumSchweißenvon Schienen
    • EP1920867A2
    • 2008-05-14
    • EP07021623.9
    • 2007-11-07
    • VolkerRail Nederland BV
    • Van Buuren, Henrie
    • B23K11/04B23K11/34E01B31/18E01B29/42B23K101/26
    • E01B31/18B23K11/04B23K2101/26E01B29/42E01B29/44E01B29/46E01B31/04
    • The invention relates to a method to replace a rail part of a railway wherein prior to severing the original the mechanical stress in the rail determined in situ, such as measured or calculated, which data is used during replacing the rail part by welding to bring back the original stress free condition. The rail is demounted across a predetermined length from its mounting to the foundation and temporarily brought in a curved shape, which curved shape is brought back to the original shape during uniting the rail by welding. Use is made of work train comprising an excavator and two wagons. Use is also made of a special clamping unit to press the rail ends against each other during butt welding.
    • 本发明涉及一种替代铁路轨道部分的方法,其中在原始断裂之前在原位确定的轨道中的机械应力(例如测量或计算的)中,在通过焊接来替换轨道部分期间使用哪些数据以带回 原始无压力条件。 轨道从其安装到基座上预定长度地被拆卸,并且暂时地形成弯曲的形状,该弯曲形状在通过焊接将轨道结合在一起时被恢复到原始形状。 使用由包括挖掘机和两辆货车的工作车组成。 也可以使用特殊的夹紧单元,在对接焊接过程中将轨道端部彼此压紧。