Power transmission tower derrick waist ring

The utility model discloses a power transmission tower holding pole waist ring, and relates to the technical field of power construction equipment. The power transmission tower derrick waist ring comprises four frame units of a right-angle structure, a connecting piece is arranged between every two adjacent frame units, the two ends of each connecting piece are fixedly connected with the corresponding frame unit in a detachable mode, and the connecting pieces and the frame units jointly form a square structure. Each frame body unit comprises two waist ring arm rods arranged in a right-angle mode and a connecting lug block used for connecting the two waist ring arm rods. An installation frame is arranged on the waist ring arm rod in a sliding mode, a friction plate is arranged on the inner side face of the installation frame, and a locking mechanism used for fixing the installation frame is arranged between the installation frame and the waist ring arm rod. The waist ring not only can be adaptively adjusted ac