Device for improving Leeb hardness detection precision of thin component

The utility model provides a device for improving the Leeb hardness detection precision of a thin component, which comprises a main control assembly and a first jacking assembly, and the first jacking assembly comprises a flange top plate a and a flange top plate b which are respectively and tightly attached to an upper flange and a lower flange of a target thin component so as to apply relative tension to the upper flange and the lower flange of the target thin component; the main control assembly comprises a speed reduction gear machine and a screw rod which is movably connected with the speed reduction gear machine so as to enable the flange top plate a and the flange top plate b to do reciprocating motion; and a flange jacking handle is fixedly arranged on the outer edge surface of the main control assembly and is movably connected with the reduction gear machine. Through the cooperation mode of the reduction gear machine, the screw rod, the flange top plate a and the flange top plate b, when the reductio