High-strength vehicle door hinge

The utility model discloses a high-strength vehicle door hinge, and relates to the technical field of vehicle door hinges. The device comprises a fixing frame, a connecting frame is rotationally connected to the interior of the fixing frame, a fixing bolt penetrating through the connecting frame is detachably arranged on the surface of the fixing frame, a threaded cap is in threaded connection with the bottom end of the fixing bolt, L-shaped supports are symmetrically and fixedly installed at the bottom end of the fixing frame, and limiting assemblies are arranged on the surfaces of the L-shaped supports. The limiting assembly is used for limiting and fixing the threaded cap, and fixing assemblies are arranged on the sides, close to the L-shaped support, of the two sides of the mounting frame and used for limiting and fixing the fixing bolts; and the arranged limiting assembly is used for limiting and fixing the thread cap, the phenomenon that the thread cap is loosened due to deflection is prevented, the arr