Turning clamp used for optical cable laying

The utility model discloses a turning clamp used for optical cable laying, comprising a first positioning plate, the lower end face of the first positioning plate is provided with a second positioning plate, the upper end face of the first positioning plate and the upper end face of the second positioning plate are fixedly connected with fixing bosses, the two fixing bosses are respectively arranged between four positioning side plates which are opposite to each other in pairs, and the two positioning side plates are arranged on the first positioning plate and the second positioning plate. The other ends of the eight screws are movably connected with movable blocks, and the other ends of the eight movable blocks are fixedly connected with arc-shaped clamping blocks. A positioning disc is tightly attached to the lower end face of the second positioning plate, a rotating shaft is fixedly connected to the upper end face of the positioning disc, the upper end of the rotating shaft penetrates through the second po