System of intervention on the end of the arm of a support pylon comprising horizontal arms, in particular of a pylon voltage high -

摘要

The system according to the invention comprises a horizontal rail (4) arranged along the horizontal arm (11), a movable carriage (3), which is movable along the rail (4), and a scale (2) provided with a fastening member (21) to the carriage (3) and driven by the - ci. The carriage (3) comprises means of rolling and guiding - locking onto the rail (4). According to a first embodiment, the carriage (3) rolls on the horizontal arm (11), according to a second embodiment, the carriage runs directly on the rail (4). In these two embodiments, the rail (4) can be fixed or removable. & br / application in particular to the pylons for high tension lines.