Comprehensive measuring tool for blade profile of aero-engine

The utility model discloses an aero-engine blade profile comprehensive measuring tool which comprises a profile measuring module and an end measuring module, cushion blocks are fixedly connected to two ends of the upper surface of a bottom plate, and positioning pins are connected in positioning holes. A pair of outer arc-shaped line sample plate and inner arc-shaped line sample plate which can be freely connected and separated is movably connected between the two sets of positioning pins, and the outer arc-shaped line sample plate and the inner arc-shaped line sample plate are provided with a first arc face and a second arc face which are matched with an outer arc and an inner arc of the aero-engine blade respectively. The end head measuring module comprises a large head socket gauge arranged on one side, close to the large head end of the aero-engine blade, of the molded line measuring module and a small head socket gauge arranged on one side, close to the small head end of the aero-engine blade, of the mol