Reservoir trash grating with self-cleaning function

The invention discloses a reservoir drain grating with a self-cleaning function, and relates to the field of water conservancy equipment.The technical scheme is that the reservoir drain grating comprises stand columns fixedly arranged on the two sides of a reservoir gate, a plurality of arc-shaped grating bars are arranged between the two stand columns, the grating bars are arranged on the upstream faces of the stand columns, and a water flow passage is formed between every two adjacent grating bars; the upper ends and the lower ends of the two stand columns are fixedly connected through a mounting frame, and two cleaning mechanisms used for cleaning grid bars are symmetrically arranged on the mounting frame. And a conveying belt for transferring dirt is also fixedly arranged on each stand column. The trash rack cleaning device has the beneficial effects that the trash rack can be automatically cleaned, shutdown is not needed in the cleaning process, and the working efficiency of a hydropower station is effec