Wedge-shaped feeler gauge for rapidly measuring gap width

The utility model relates to the technical field of measuring equipment, and discloses a wedge-shaped feeler gauge for rapidly measuring the width of a gap, which comprises a fixed tailstock, a containing groove is formed in the fixed tailstock, and a feeler gauge body is arranged in the containing groove; according to the wedge-shaped feeler gauge, the containing groove is formed in the fixed tailstock, the feeler gauge body is installed in the containing groove, after the wedge-shaped feeler gauge is used, the feeler gauge body can be contained in the containing groove, and the situation that when the wedge-shaped feeler gauge is not used, the surface of the feeler gauge body is damaged by foreign objects is avoided; a mounting groove is formed in the fixed tailstock, scale marks on a transparent protection plate are used in cooperation with anti-freezing liquid in the mounting groove, the device can have the function similar to that of a gradienter, and the use practicability and functionality of the devic