In order to improve the efficiency and safety of grain warehousing,flatting and turning,a multi-functional warehousing operation equipment for granary is designed.It realizes the multi-functional integrated operation of grain warehousing,flatting and turning.This paper discusses its system scheme and structure in detail,and focuses on analyzing and designing key components.It solves the problems of high labor intensity,single function of mechanical equipment and low degree of automation in the current grain storage work,and h...