Steel tower vertical rotation device

The invention relates to a steel tower vertical rotation device, and belongs to the technical field of bridge construction. The rotating body device comprises a positioning shaft, a rotating shaft andat least two sets of hinged support assemblies, each hinged support assembly comprises a rotating hinged support, a fixed hinged support and a shaft hole set, each shaft hole set comprises a first shaft hole formed in the steel tower rotating section and a second shaft hole formed in the steel tower fixing section, and the second shaft holes are matched with the first shaft holes; when the positioning shaft is inserted into all the shaft hole groups, the rotary hinged support is connected with the steel tower rotary section, and the fixed hinged support is connected with the steel tower fixedsection, the space where the positioning shaft is located forms a positioning space; the diameter of the rotating shaft is not greater than that of the positioning shaft; according to the rotating body device, the rotating sh