| 摘要 |
A railway train set intended for the renewal of railway tracks, comprising an operative assembly provided with apparatus for removing the old rails, and with apparatus for allowing at least one of the axles to advance on the railway track already deprived of the rails, this latter apparatus comprising an auxiliary bogie which is liftable and lowerable. Rail sections are provided which are disposed, during the working periods, below the auxiliary bogie and below the axle in question of the operative assembly, respectively, for being travelled on while resting on the underlying sleepers. There is structure for displacing forward in a longitudinal direction the first and second rail sections during the periods in which they are not subjected to the load of the weight of the vehicle.
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