Ruler for measuring abrasion of point rail and wing rail of frog

The utility model discloses a frog point rail and wing rail abrasion measuring ruler, which comprises a fixed seat, a movable seat, a positioning ruler, a movable plate, a detection ruler and an auxiliary fixing mechanism, the top of the fixed seat is provided with the horizontally arranged positioning ruler, the other end of the positioning ruler is sleeved with the movable plate, the bottom of the movable plate is connected with the movable seat, and the detection ruler is arranged on the movable seat. One side of the fixed seat and one side of the movable seat facing the rail are arc-shaped surfaces attached to the side head of the rail, the top of the movable plate is provided with a fastening bolt, and the ruler body of the positioning ruler is further sleeved with a detection ruler. When the vernier scale needs to be fixed, one side end needs to be clamped with the rail, the other side end is gradually opened and clamped with the other side end of the rail, when the vernier scale is moved, the two side