Large portal elevator for integral lifting

The invention discloses a large portal elevator for integral lifting, which comprises a portal elevator main body, the portal elevator main body comprises a main truss girder assembly and two portal vertical support modules, and each portal vertical support module comprises a sliding adjustable hinged support assembly, a tower crane standard knot and a foundation assembly. The foundation assembly is sequentially provided with a plurality of tower crane standard knots from bottom to top, the sliding adjustable hinged support assemblies are installed on the tower crane standard knot on the topmost portion, and the two ends of the main truss beam assembly are connected with the two sliding adjustable hinged support assemblies respectively. The sliding adjustable hinged support assembly replaces welding type rigid connection, and the sliding adjustable hinged support assembly can be adjusted and positioned in a stepless sliding mode within the range of +/-240mm in the axial direction of a span beam and is used fo