Mobile machine in order to clean a bed of the ballast, comprising devices for leveling and of compacting, and to treat a bed of a ballast with the aid of such a machine.

摘要

Machine 1 for cleaning a bed of ballast comprising a device 10 in order to pick up the ballast from the region located in the structure of the track, a screening device 16 for cleaning the ballast, as well as devices for placing the ballast cleaned up, the level and, in particular, the compact, the levelling device 25 is constituted by two endless chains of levelling equipped a device for driving in rotation and which can engage in the structure of the track by pivoting about a substantially vertical axis, on the basis of the side opposite the track, these chains are given by way of levelling adjustable in height, independently of the devices 8, 9, 10, 11 of the gathering of the ballast, with the frame 2 of the machine.