Adjustable cable support structure for preventing collision of lower structure of approach bridge

The utility model provides an adjustable cable support structure for preventing collision of a lower structure of an approach bridge, and belongs to the technical field of bridge construction. The adjustable cable support structure for preventing the approach bridge lower structure from colliding comprises a supporting assembly and a rotating base. The supporting assembly comprises a bearing platform and a supporting piece, the bearing platform is embedded in the ground in a pouring mode, a supporting frame is fixed to the top face of the bearing platform in an embedded mode, an operation platform is fixed to the top face of the supporting frame, the supporting piece is embedded in the ground and located on one side of the bearing platform, and the rotating base comprises a channel steel distribution beam and a rotating bottom support. The channel steel distribution beam is installed on the operation platform and the supporting piece, the rotating bottom support is installed on the channel steel distribution