| 摘要 |
A railway train set intended to be used for the renewal of railroads, which comprises an operative assembly with two mutually coupled vehicles, the first of which is provided with two axles or bogies and the second is articulated at one of its own ends to a point of the first vehicle, situated in a position cantilevered with respect to its axles, and is provided at its opposite end with a single axle or bogie; the first vehicle includes a device situated between the two axles for removing the old rails, a device for allowing the second axle to advance on the old sleepers deprived of the rails, and a device for handling the old and the new equipment; the second vehicle includes a device for the removal of the old sleepers, a device for levelling or displacing or scarifying the ballast and a device for laying the new sleepers, as well as structure for allowing the second vehicle to advance on the new sleepers not yet provided with the new rails; and in the region of the articulation between the two vehicles there is disposed a device for correcting, according to the necessities, the position of the second vehicle and hence the position for laying the new sleepers. There are further provided particular structure for laying the new sleepers and a store for special sleepers.
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