Vehicle-mounted secondary lining maintenance device and secondary lining maintenance vehicle

The utility model provides a vehicle-mounted secondary lining maintenance device and a secondary lining maintenance truck, and belongs to the technical field of tunnel maintenance. The shoulder seat is arranged on the mounting seat, and an adjusting mechanism used for adjusting the inclination angle of the shoulder seat is further arranged on the mounting seat, so that the shoulder seat can adapt to tunnels with different sections; the fixed water spraying pipe is arranged on the shoulder base in the length direction of the shoulder base, and a plurality of atomization nozzles are evenly distributed on the fixed water spraying pipe and used for spraying maintenance water to maintain the tunnel wall; the two rotating water spraying pipes are arranged at the two ends of the shoulder base respectively; the device is small and exquisite in structure, can be installed on a motor sweeper or other small vehicles, can flexibly run in a tunnel, and is improved in practicability and convenience; the angle of the should