Helicopter main blade rear section piece replacement equipment

The utility model discloses equipment for replacing a rear section piece of a main blade of a helicopter, and belongs to the technical field of helicopter blade replacement. The parameter detecting and adjusting assembly is arranged on the supporting seat, and the parameter detecting and adjusting assembly is used for detecting and adjusting parameters after abutting against the main blade on which the rear section piece is reinstalled; and the deflection fixing assembly is used for limiting the rear section piece reinstalled on the main blade. The adjacent rear section pieces on the two sides of the reinstalled rear section piece serve as the standard, the chordwise pressurizing mechanism is used for limiting the rear edge clamping plate, then the connecting groove of the rear edge clamping plate is used for limiting the reinstalled rear section piece, and therefore the curing position of the reinstalled rear section piece is adjusted. The technical problem that the main blade needs to be returned to a manuf