Self-fixing type combined tooth angle measuring device

The invention relates to the technical field of gear detection, in particular to a self-fixing type combined tooth angle measuring device. Comprising a supporting table, the supporting table is fixedly connected with a fixed table and a supporting frame, the fixed table is provided with a positioning rod, the supporting frame is fixedly connected with a first push rod, the first push rod is fixedly connected with a lifting frame, the lifting frame is in sliding connection with a detection frame, the detection frame is fixedly connected with a fixed rod and a sliding pipe, and the sliding pipe is in sliding connection with a sliding rod. The sliding rod is in ball connection with a rotating block, the fixed rod is rotationally connected with a detection block which is in sliding connection with the rotating block, the sliding rod is fixedly connected with an L-shaped rod, the L-shaped rod is in ball connection with an adjusting block, the detection frame is fixedly connected with a dial plate, and the dial pla