Freely-controlled power generation apparatus

A freely controlled power generation apparatus, comprising:

• a support assembled and disposed on an outer circumferential surface of a vertical structure by a waterwheel fixing block, having first supports integrally extended and installed on the support horizontally based on the waterwheel fixing block on both left and right sides thereof, and supporting and fixing at least one waterwheel to be spaced apart at a specific interval by the first supports and second supports having at least one auxiliary support corresponding to the first supports formed therein, wherein the support supports and fixes the waterwheels to be immersed under a surface of water so that the waterwheels are freely rotatable depending on an amount of water and a flow rate around the vertical structure;
• at least one waterwheel having a waterwheel blade of a screw shape formed on an external surface of a rotating shaft of a rod shape, wherein both ends of the rotating shaft are supported by the support in such a way as to be freely rotatable, and performing a rotational motion on the rotating shaft by rotatory power of the waterwheel blade attributable to a flow of water;
• and
• a power generation member connected through a power transmission member comprising a plurality of gears connected to one end of the rotating shaft and generating electrical energy by a rotational motion of the rotating shaft,
• wherein the freely controlled power generation apparatus further comprises a waterwheel movement guide member comprising a guide block having one end assembled and fixed to the waterwheel fixing block in parallel to the waterwheel and the other end formed to be movable up and down and left and right as a free end, wherein a body of the free end is extended and installed up and down and an up/down guide groove into which the second support is able to be fit and assembled is formed at the extended and installed end, and the waterwheel movement guide member limitedly guides and supports an up/down movement and left/right movement of the waterwheel according to the amount of water and the flow rate within a specific range.