Aircraft component assembling fixture

The utility model relates to the technical field of assembly fixture equipment, in particular to an aircraft component assembly fixture. Comprising a base assembly, an assembling assembly, a rail assembly, a lifting assembly and a clamping assembly, the assembling assembly comprises a supporting top plate, the rail assembly comprises an assembling sliding rail and a rail sliding block, a sliding rail top groove is formed in the inner side of the top of the assembling sliding rail, and side plate clamping grooves are symmetrically formed in the wall bodies of the two sides of the assembling sliding rail; and the lifting assembly comprises a lifting fixture, the lower bottom surface of the lifting fixture is connected with a fixture bottom plate, and the output end of the hydraulic cylinder is connected with a clamping jaw. After the supporting top plate and the supporting lower plate are assembled, the rail supporting plates are stably placed on the rail supporting plates, the position between the two rail sup