Fan blade root anti-deformation tool and anti-deformation method

A fan blade root anti-deformation tool comprises a main body structure used for supporting the root of a fan blade and an auxiliary positioning bolt used for connecting the main body structure with the root of the fan blade, the main body structure comprises a center plate and at least two installation arms arranged in the circumferential direction of the center plate, one end of each installationarm is fixedly installed on the center plate, an adjusting nut is fixedly installed at the other end of each installation arm, an adjusting bolt is connected to each adjusting nut in a screwed mode,a supporting leg matched with the root of the fan blade is fixedly installed on each adjusting bolt, and a plurality of supporting through holes matched with the auxiliary positioning bolts are formedin the supporting legs. The tool is simple and compact in structure, can effectively prevent the root of the blade from deforming, guarantees the circumference of the root of the blade, and enables the thicknesses of two sides