Integrated sliding spraying maintenance structure of secondary lining trolley

The utility model relates to the technical field of tunnel construction, and discloses a secondary lining trolley integrated sliding spraying maintenance structure which comprises a trolley and two rails, sliding rails are fixedly connected to the two sides of the front end of the trolley, a connecting plate is fixedly connected between the other ends of the two sliding rails, and the connecting plate is fixedly connected with the trolley. A motor base is fixedly arranged at the position, located in the middle of the two sliding rails, of the front end of the trolley, a high-power motor is fixedly arranged on the upper end face of the motor base, a screw is rotationally connected between the motor base and the connecting plate, a spraying mechanism is arranged between the two sliding rails, and the spraying mechanism comprises two main supporting frames; the upper ends of the two main supporting frames are jointly and fixedly connected with a supporting cross beam, and the two ends of the supporting cross bea