Insulation supporting mechanism for overhead cable installation

The invention relates to an overhead cable installation insulation supporting mechanism, and belongs to the technical field of cable installation. Comprising a support, a lifting assembly is arranged at the lower end of the support, a fixed guide rod and a rotatable rotating rod are arranged in the support in the length direction of the support, and a driving assembly is arranged between the rotating rod and the support; two moving seats are arranged on the guide rod in a sliding mode, and locking assemblies are arranged between the moving seats and the guide rod. A semicircular inner arc plate is fixedly arranged in the moving seat, the middle portions of the front end and the rear end of the inner arc plate are each provided with a clamping assembly, a semicircular outer arc plate is rotationally arranged on the outer side of the inner arc plate, the outer arc plate is connected with the rotating rod through a transmission assembly, and the rotating rod drives the outer arc plate to rotate on the outer side