Rewinding waterwheel, transmission gearbox of the waterwheel, and irrigation method thereof

[0052]To understand the technical characteristics of this disclosure intuitively and comprehensively, exemplary embodiments are used and illustrated in referenced figures of the drawings. It is intended that the embodiments and figures disclosed herein are to be considered illustrative rather than restrictive.

[0053]With reference to FIGS. 1 to 12 for a rewinding waterwheel of this disclosure, the rewinding waterwheel comprises a secondary body 1, a main body 2 and a plurality of guide members 3; characterized in that the main body comprises a rewinding waterwheel frame 21, a hub ring shaft 22 and a water pipe 23 wound around the hub ring shaft, and the hub ring shaft 22 is installed onto the rewinding waterwheel frame 21 and rotatable. The secondary body 1 comprises a waterwheel frame 11 and a sprinkler head 12 fixed and mounted onto the waterwheel frame, and an end of the water pipe 23 is fixed and communicated to the sprinkler head 12.

[0054]In FIGS. 1 and 2, when the rewinding waterw