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Guide rail used for train maintenance base

A guide rail used for a train maintenance base comprises a guide rail body (1), a propping plate (2) and a fixing plate (3), the guide rail body (1) is arranged to be in a Z shape, the fixing plate (3) is arranged on the end face of the lower end of a guide rail surface of the guide rail body (1), the propping plate (2) is arranged between the guide rail body (1) and the fixing plate (3), the guide rail body (1) is supported through the propping plate (2) and the fixing plate (3), the guide rail body (1) is fixed through a triangular structure, and the guide rail body (1) is no longer fixed on a foundation directly. Therefore, the guide rail is applicable to the setting of the train maintenance base, and the movement and maintenance for the guide rail are facilitated.