Pallet fork end jacking device of AGV (Automatic Guided Vehicle)

The utility model relates to a fork end jacking device for an AGV (Automatic Guided Vehicle). The fork end jacking device comprises a screw rod, a cantilever, a lifting arm and a supporting base, the screw rod comprises a prism rod section, a trapezoidal threaded rod section and a triangular threaded rod section which are axially connected in sequence, and the rod diameter of the trapezoidal threaded rod section is larger than that of the triangular threaded rod section; a trapezoidal threaded hole is formed in the middle of the cantilever, and limiting grooves are symmetrically formed close to the two ends; a mounting hole communicated with the top surface and the bottom surface is formed in the supporting base, and the bottom surface of the supporting base is concaved to form a containing cavity; the trapezoidal threaded rod section is arranged in the trapezoidal threaded hole in a screwed mode, the triangular threaded rod section penetrates through the mounting hole and is contained in the containing cavit