Tunnel lining concrete water-saving maintenance device

The invention relates to the technical field of tunnel engineering, in particular to a tunnel lining concrete water-saving maintenance device. The device comprises a base, universal wheels, a water tank and a pressure pump, wherein the pressure pump is connected with the water tank, the base comprises a first base body and a second base body, a water distribution pipe and a connecting pipe are arranged between the first base body and the second base body, steel pipe clamping grooves are formed in the first base body and the second base body correspondingly, the water distribution pipe comprises a first steel pipe, a second steel pipe, a third steel pipe, a fourth steel pipe and pipe fitting connectors, the lower end of the first steel pipe is closed, the upper end of the first steel pipe is connected with one end of the second steel pipe, the other end of the second steel pipe is connected with the upper end of the third steel pipe, the lower end of the third steel pipe is connected with the upper end of the