The utility model discloses a river channel
hydroelectric generation system which comprises a river channel with a fall, an artificial
water channel is arranged on one side of the river channel, an inlet and an outlet of the artificial
water channel are communicated with the river channel, a main water gate is arranged at the inlet of the artificial
water channel, a plurality of
turbine generator sets are sequentially arranged on the artificial river channel, and each
turbine generator set comprises a shell. A
turbine shaft is vertically installed in the shell, turbine blades are installed on the turbine shaft, the upper end of the turbine shaft extends out of the top of the shell and is connected with the power generation
assembly, a water inlet is formed in the front side of the shell, a water outlet is formed in the rear side of the shell, a flow velocity sensor and a
water level sensor are arranged on the front side of the water inlet, and the inner side of the shell is flush with the side wall of the artificial water channel and hinged to an adjusting cover. The adjusting cover is connected with a telescopic rod of an air cylinder installed on the side wall of the artificial water channel, a groove is formed in the position, corresponding to the turbine generator set, of the other side wall of the artificial water channel, and the outer side of the shell is arranged in the groove. The utility model has the advantages of strong stability, high power generation efficiency, long service life, convenience in repair and maintenance and the like.