Floating protection platform for construction of river and canal bridge crossing drinking water source

The utility model relates to a floating protection platform for construction of a drinking water source river channel bridge, which comprises a plurality of rows of buoys arranged on the water along the river direction below the construction bridge, a certain distance is reserved between every two adjacent rows of buoys, a plurality of connecting pieces are arranged between every two adjacent rows of buoys, waterproof geotechnical cloth is laid on all the buoys, and bamboo plywood is erected between every two adjacent rows of buoys. The two rows of buoys close to the two banks of the river are respectively connected with the anchoring piles on the two banks of the river through steel wire ropes; the two banks of the river are respectively provided with a staircase, one end of each staircase is hinged to the bank through a chain, and the other end of each staircase is movably erected on a row of buoys close to the bank. On the basis that the bridge construction hanging basket is totally closed, concrete grout,