The Evolution of Operating Machines for Ancient and Modern Huai’an Sluices

Based on a retrospective analysis of the operating machines employed in ancient Huai'an continuous sluices system, as well as those utilized in the modern Huai'an regulation and canalization system, this article provides a comprehensive exposition of the intricate details pertaining to the Yangzhuang Regulator, particularly focusing on its operating machines. The objective is to elucidate how Chinese capacity for regulating the Huai River has been enhanced within the context of evolving patterns of river regulation and through technology transfer from Western hydraulic practices.