Articulated scraper system, intended to facilitate the modification, maintenance and inspection of pipelines, in particular pipelines for the transport of petroleum products.

摘要

The invention relates to a pipe scraper system comprising at least two identical tubular bodies or wagons (12, 14) arranged in alignment with each other and each provided on its outer wall with annular cups (16, 18 , 20, 22) flexible and resistant, with an outside diameter substantially equal to the inside diameter of the pipe (24). BR/ The wagons (12, 14) are in simple contact by their adjacent ends and are mechanically connected to each other by means of a flexible elastic connection element (38), such as cable or spring, which passes coaxially through the chambers inside of the two wagons and which exerts antagonistic tensile forces on the latter tending to apply their adjacent ends against each other.