| 摘要 |
A mobile ballast cleaning machine comprises a ballast excavating chain, a screening apparatus including a series of screens arranged to receive the excavated ballast and to clean it, a storage receptacle for the cleaned ballast, the storage receptacle having ballast outlets, and hinged covers over the outlets for selectively closing the same by means of jacks, and a ballast conveyor arrangement for controllably redistributing the cleaned ballast to the ballast bed, the ballast redistributing conveyor arrangement being arranged to receive the cleaned ballast from the outlets upon adjustment of the hinged covers. |
