Spraying structure for in-situ cold recycling of foamed asphalt on highway asphalt pavement

The utility model relates to the technical field of foamed asphalt cold recycling technology, and discloses a spraying structure for in-situ cold recycling of foamed asphalt on a highway asphalt pavement, which comprises a stirring frame and a rectangular plate, three water pipes are fixedly connected to the inner wall of the stirring frame, and three spraying heads are in threaded connection to the outer surface of each water pipe. The inner wall of the rectangular plate is fixedly connected with three first bearings, the inner ring of each first bearing is fixedly connected with a clamping cylinder, the outer surface of each clamping cylinder is fixedly connected with a first gear, and the outer surface of one first gear is engaged with the outer surfaces of the other two first gears; through a second gear, a first rotating shaft, a second bearing and a rotating handle, the rotating handle can be used for driving the second gear to rotate in the first bearing, and rotating power is transmitted to the other