Automatic cleaning device for fish collecting channel

The invention belongs to the field of fishery fishing, and particularly discloses a fish collecting channel automatic cleaning device which comprises a channel shell, a first mounting plate, a water storage tank and a second mounting plate, a first two-way threaded rod is rotationally connected into the first mounting plate, and a first sliding block is in threaded connection with the first two-way threaded rod; the first sliding block is slidably connected into the first mounting plate, the bottom end of the first sliding block is fixedly connected with a first clamping plate, a first-stage cleaning assembly is mounted on the first mounting plate, the first-stage cleaning assembly is connected with a second-stage cleaning assembly through a guide groove, and a transfer frame is mounted in the water storage tank; the cleaning device solves the problems that in the actual use process of an existing cleaning device for the fish collecting channel, the inner walls of rectangular channels and cylindrical channels