Cleaning water tank and cleaning robot

The utility model discloses a cleaning water tank and a cleaning robot. The cleaning water tank comprises a shell, a water pump, at least one second hose and an inner supporting piece. A separator is arranged in the shell, a water pump cavity and a liquid storage cavity are defined in the shell by the separator, a communicating hole is formed in the separator, and a water outlet channel communicated to the outer side of the liquid storage cavity is connected to the separator. The water pump is arranged in the water pump cavity and provided with a water inlet and a water outlet. One end of each second hose is arranged in the corresponding communicating hole in a penetrating mode, and each inner supporting piece is arranged in the corresponding second hose in a penetrating mode so that the outer circumferential wall of the corresponding second hose can keep abutting against the inner circumferential wall of the corresponding communicating hole. The clean water tank can prevent water from entering the water pump