Balance type blade static moment measuring device

The invention discloses a balance type blade static moment measuring device which comprises a blade mounting flange, a radial measuring assembly, an axial fulcrum cutter assembly, a radial beam, two radial fulcrum cutter assemblies, an axial beam, a tail cutter assembly, an axial force sensor assembly, a base and two radial force sensor assemblies. The blade mounting flange is mounted on the front end surface of the radial beam; a radial fulcrum knife assembly and a radial measuring assembly are installed below the radial beam, the lower end of the radial beam takes a blade of the radial fulcrum knife assembly as a contact part and is located on a knife bearing of the radial fulcrum knife assembly, and the knife bearing of the radial fulcrum knife assembly and a radial force sensor assembly are installed on the axial beam; the front end of the axial beam is fixedly provided with a cutting edge of the axial fulcrum cutter assembly, the tail end of the axial beam is fixedly provided with the tail cutter assembl