Device for repairing and maintaining roadbed

The utility model discloses a roadbed renovation and maintenance device which comprises a box body, the top of an inner cavity of the box body is fixedly connected with a water tank, the bottom of the inner cavity of the box body is communicated with a control shell, the two sides of the top of an inner cavity of the control shell are fixedly connected with air cylinders, and the bottoms of the output ends of the air cylinders are fixedly connected with fixing plates. A first motor is fixedly connected between the two fixing plates, a renovating plate is fixedly connected to the bottom of the output end of the first motor, a water spraying plate is movably connected to the right side of the box body, the right side of the water spraying plate communicates with a nozzle, and a spring is fixedly connected to the top of the left side of the water spraying plate. Through the arrangement of the water spraying plate, the nozzle, the spring, the equipment shell, the second motor, the cam, the push rod, the first wat