Machine for removing ballast of a track ballast bed by suction

Details Machine for removing ballast of a track ballast bed by suction Machine for removing ballast of a track ballast bed by suction

E - Fixed Constructions

01

B

E01B 27/06 (2006.01) E01B 27/04 (2006.01) E01B 27/10 (2006.01)

Patent

CA 2114490

A machine (1) for removing ballast of a track ballast bed (2) by suction has a machine frame (5) designed for travelling on the track (3) by means of on- track undercarriages (4), on which machine frame there are provided a suction arrangement (8) having a suction pipe stub (22) with a suction opening (23) and an excavating member (9) which cooperates with the said suction arrangement and by means of drives (44,38) is bath vertically displaceable and rotatable about a vertical pivot axis (37) for transporting the ballast to the suction opening (23). The excavating member (9) associated with the suction arrangement (8) is designed as an endless excavating chain (3Q) guided around an excavating beam (31) extending horizontally with guide rollers (32) provided on each end. The pivot axis (37) is provided at one end (34) of the excavating beam (31) and in the operating position is provided in the sleeper end region, and in addition the suction opening (23) of the suction pipe stub (22) is arranged for vertical displacement in the sleeper end region.

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