Pallet Four-Way Shuttle Walking Direction Change and Jacking Technology Research

Four-way shuttle is an important equipment for intelligent warehousing, longitudinal track walking and transverse track walking direction change, cargo jacking is its main movement, how to optimize the two movement implementation scheme is very important for the cost and thickness of the four-way shuttle size. The thesis firstly studies the feasibility of combining the two motions of travel direction change and jacking into one in principle, and then four synchronously driven moving cam mechanisms are used to realize the travel direction change and the jacking motion, and the movement of the four moving cams is realized through the spiral mechanism composed of two screws and two nuts with opposite rotations, and the rotations of the two screws are both synchronously driven by a motor. Finally, a stress simulation was conducted on the lifting side plate, a key force-bearing component of the lifting mechanism. The strength of this component was checked based on its stress diagram and deformation diagram.