Milling device for asphalt concrete pavement cold recycling construction

The utility model discloses a milling device for asphalt concrete pavement cold recycling construction in the technical field of asphalt concrete pavements, which comprises a base, the front side of the top of the base is fixedly connected with a fixing frame, the inner wall of the top of the fixing frame is fixedly provided with a lifting cylinder, and the bottom output end of the lifting cylinder is fixedly connected with a lifting seat. A motor is fixedly mounted on the middle side of the top of the lifting seat, an output shaft of the motor extends into an inner cavity of the lifting seat and is fixedly connected with a first gear, second gears are in meshed connection with two sides of the first gear, rotating rods are fixedly connected with the bottoms of the second gears, and the bottoms of the rotating rods penetrate through the lifting seat and are fixedly connected with milling cutters; a through opening is formed in the top of the base, a guide assembly is arranged between the lifting base and the