Layered water intake tower structure capable of being mounted afterwards

The utility model discloses a layered water taking tower structure capable of being installed afterwards, which comprises a dam main body, a tower and a connecting rod used for fixedly connecting the tower and the dam main body, two or more groups of gate assemblies with different heights are arranged in the tower in the longitudinal direction, and a water taking channel is arranged in the tower. The layered water taking tower structure capable of being installed afterwards is simple in overall structure, small in number of buildings, small in construction work amount, low in investment, capable of being additionally installed on a dam without a layered water taking system in the later period, capable of being used for layered water taking of drinking water sources, good in applicability and high in practicability. The gate can be opened or closed by moving the valve element of the gate up and down, the action is simple, faults are not prone to occurring, the arranged filtering grating can filter residues and