This creation is a kind of related waterwheel impeller transmission shaft clamping support of what, auxiliary sheet body is added in the one or both sides or bottom side for tying up to support base, in order to the width or height for adding the increase support base using the auxiliary sheet body, it can be suitable for the waterwheel impeller of a variety of different sizes, and it can further adjust impeller draft, to mitigate the load of waterwheel motor, and reach the effect for saving the energy.本創作係有關於一種水車葉輪傳動軸支撐座結構，係在支撐座的一側或兩側或底側增設輔助片體，俾利用該輔助片體的增設增加該支撐座的寬度或高度，能適用於多種不同尺寸之水車葉輪，並能進一步調整葉輪吃水深度，以減輕水車馬達之負載，而達節省能源之效果。
