| 摘要 |
The present invention relates to a suspension arrangement for an overhead line comprising: an attachment arrangement for attaching the suspension arrangement to a support structure, a support unit comprising a contact wire holder and a catenary holder, a link arm arrangement arranged between said attachment arrangement and said support unit. The support unit is moveable between an active position, in which the same is operable for power supply of a train, and an inactive position in which vertical access to the train is permitted. The link arm arrangement is pivotally connected to an upper attachment means and a lower attachment means of said attachment arrangement, and at least one of said upper attachment means and said lower attachment means comprises a lever operable for movement of the support unit with maintained vertical orientation both within and outside the space used for power supply. |
