What are the contents of daily inspection, regular inspection and special inspection of hydraulic steel gates and trash racks?

Corrosion of grid body and whether grid bars are in good condition. Hydraulic steel gates and trash racks are usually movable structures, which are used to open and close water outlets in local hydraulic structures. In daily inspection, regular inspection and special inspection, the contents of the structure include the corrosion of the grid body and whether the grid bars are in good condition. The structure can adjust flow, control water level and transport ships.