Folded cascade tower wagon is used in construction of railway contact net

The utility model relates to an instrument is used in the construction of railway contact net upper portion, specifically is a folded cascade tower wagon is used in construction of railway contact net, and the vehicle hauling operation is constructed with the contact net simultaneously in the solution railway single track tunnel, and exist and alternately construct, influence mutually the problem, including the tower wagon base, the adjustable shelf is equipped with the tower wagon frame on the tower wagon base, tower wagon frame top is equipped with foldable operation fill, the tower wagon frame was put up the socket joint by a plurality of single section tower wagons to connect and constitute, every single section tower wagon frame contains four stands, be located that the parallel is equipped with horizontal horizontal pole between the adjacent stand of the tower wagon frame left and right sides, constitute the ladder form, be located between the adjacent stand of both sides around the tower wagon frame th