Spraying and coating device for high ridge work

The utility model discloses a spraying and coating device for high ridge work. The spraying and coating device comprises a frame, wherein the lower part of the front end of the frame is equipped with a depth limiting device, and a ditching device is installed on the frame at inside of the depth limiting device, and the upper part of the frame behind the depth limiting device is equipped with a roller holding device; a film unfolding device and a film pressing device are orderly installed on the frame behind the roller holding device, and an earth coating device is hinged on the frame; a spraying device is installed on the frame, and a nozzle of the spraying device is located on the frame between the depth limiting device and the roller holding device; the film unfolding device adopts a floating type and is capable of automatically adapting to the walking speed and coating speed, and ensuring the film unfolding quality; the film pressing device can adapt to widths of multiple ridges with different specifications; the earth coating device adopts the floating type and can be vertically fluctuated along with the change of the soil hardness, so as to ensure the earth coating quality; the spraying device sprays drug on the ground before coating film. The spraying and coating device is compact and reasonable in structure, organically combines spraying and coating together, and is capable of ensuring the coating quality and improving the coating efficiency.