Water tank device and cleaning robot

The utility model belongs to the technical field of cleaning robots, and particularly relates to a water tank device and a cleaning robot, the water tank device comprises a water tank body used for containing water, and further comprises a guide mechanism, a driving mechanism and a mopping mechanism, the guide mechanism is arranged on the water tank body, the driving mechanism comprises a driving part and a linkage assembly, and the driving part is arranged on the water tank body; an output shaft of the driving part is connected with the linkage assembly, the mopping mechanism is connected with the guide mechanism in a sliding mode, the mopping mechanism is provided with a moving space corresponding to the linkage assembly, the linkage assembly is movably contained in the moving space and movably connected with the mopping mechanism, and the driving part drives the linkage assembly to drive the mopping mechanism to slide along the guide mechanism in a reciprocating mode. Thus, when the cleaning robot moves, t