Abstract:Focusing on analyzing of the large quality workpiece handling and assembly tools used in machinery assembly, sheet metal forming, machining and other industries, by comparing the advantages and disadvantages of several kinds of balance crane, a new intelligent pneumatic balance crane system was selected and redesigned. Mechanical structure and pneumatic system of the intelligent pneumatic balance crane were completed. And also, the design processes of the hardware and software of the control system were described in detail. It is proved by the prototype usage that the new intelligent pneumatic balance crane has advantages of convenient transportation, alignment costeffective and easy to operation, and can effectively improve labor productivity in related industries.