This creation is a kind of related waterwheel float tube positioning pin structure of what, its waterwheel is mainly provided with frame, with corresponding assembling for floating the float tube on the what water surface, is equipped with dowel between the adjacent float tube of what two, with by float tube strong fix what frame, wherein the dowel at least one end angle is equipped with inclined surface； Thereby, allow the dowel can two adjacent float tubes of more convenient insertion and frame the effect of being formed by space, reaching strong fix float tube person.本創作係有關於一種水車浮管定位梢結構，其水車主要設有框架，以對應組裝可供漂浮於水面上的浮管，於兩相鄰的浮管間設有定位梢，以將浮管穩固定位於框架，其中該定位梢至少有一端角設有傾斜面；藉此，讓該定位梢可更為便利嵌入兩相鄰浮管與框架所形成的空間，達到穩固定位浮管的功效者。
