Rural water supply project pipeline anti-freezing device

The utility model relates to the technical field of water pipe anti-freezing, and discloses a rural water supply engineering pipeline anti-freezing device which comprises a bottom fixing plate, a first connecting plate is arranged above the bottom fixing plate, a first rotating plate is arranged at the bottom of the first connecting plate, and a second connecting plate is arranged above the first connecting plate. The device has the beneficial effects that according to the length of a water supply pipe exposed out of the soil, a sponge pipe matched with the water supply pipe is cut, then the outer side of the water pipe is wrapped with the sponge pipe, and then the outer side of the sponge pipe is wrapped with the first connecting plate and the second connecting plate; and a second connecting plate is adjusted to move up and down in a first connecting plate, so that the length of the first connecting plate and the length of the second connecting plate are matched with the length of the sponge pipe, the sponge