Farmland water supply device capable of performing timed irrigation

The invention belongs to the technical field of farmland water supply, and in particular relates to a farmland water supply device capable of performing timed irrigation. The farmland water supply device comprises a base, a water tank and a water pump; the base is fixedly connected with the water tank; the water pump and the water tank are fixedly connected and arranged to be communicated; the topof the water tank is fixedly connected with a water inlet pipe; one end of the water inlet pipe away from the water tank is connected with an external water supply system; multiple embedded grooves are formed in the side wall of the water tank end; a connection mechanism is fixedly connected in the embedded groove; a filling mechanism used for being matched with the connection mechanism is also arranged in the embedded groove; the filling mechanism is arranged to be communicated with the water tank through the connection mechanism; multiple irrigating mechanisms are arranged on a water outletpipe; and the other end o