structure of door - tools for imbottimento, levelling and alignment of side of a track.

摘要

An operating unit for tamping, leveling and lining a track is comprised of a ballast tamping assembly comprising a tamping tool carrier, a drive for vertically adjusting the tamping tool carrier, pairs of vibratory and reciprocatory tamping tools, and drives for vibrating and reciprocating the tamping tools; a track leveling and lining assembly comprising track-engaging track lifting and lining tools, drives for moving the tools respectively in a vertical and transverse direction for leveling and lining the track; and a common carrier frame supporting the assemblies, a set of flanged wheels constituting a sole support and guide element for a rear end of the carrier frame on the track, in the operating direction, and the carrier frame having an elongated front end, in the operating direction, a universal joint for linking the front end of the carrier frame to, and supporting it on, a track working machine frame adjacent one of the undercarriages supporting the machine frame on the track.