Tensioning anchor rod for geological engineering slope support

The utility model discloses a tensioning anchor rod for geological engineering slope support, which belongs to the technical field of geological engineering equipment, and comprises an anchor rod main body, one end of the anchor rod main body is connected with a drill bit, the outer side of the anchor rod main body is movably connected with a plurality of insertion rods, the insertion rods are distributed along the length of the anchor rod main body, and chutes corresponding to the insertion rods are arranged in the anchor rod main body. A transmission assembly used for driving the sliding block to move is arranged in an inner cavity of the anchor rod body, a rotating rod is arranged in the inner cavity of the anchor rod body, and the rotating rod penetrates through the anchor rod body to be connected with a rotating disc. The transmission assembly comprises a first gear arranged on the rotating rod and a second gear meshed with the first gear, one side of the second gear is rotationally connected with a conn