Positioning-adjustable head hoop for skull traction

The utility model relates to the technical field of skull traction, in particular to an adjustable positioning head band for skull traction, which comprises a fixing frame, a sliding plate slidably connected in the fixing frame, a sliding hole arranged on the surface of the sliding plate, a positioning seat slidably connected in the sliding hole, teeth fixedly connected on the surface of the sliding plate, and a power device mounted on the surface of the fixing frame. The power device comprises a first bearing seat, a handle, a worm, a second bearing seat, a rotating shaft, a worm gear and a gear, the first bearing seat and the second bearing seat are fixedly connected to the surface of the fixing frame, the worm is arranged in the first bearing seat, and the end, away from the positioning seat, of the worm is fixedly connected with the handle; a worm gear and a gear are fixedly connected to the circumferential face of the rotating shaft and meshed with the worm, and the gear is meshed with the teeth. Accordi