Central air conditioner pipeline cleaning robot with multi-degree-of-freedom cleaning structure

The utility model discloses a central air conditioner pipeline cleaning robot with a multi-degree-of-freedom cleaning structure, which comprises a frame, a mechanical arm, a brush, a power supply unit and an atomizing spray-washing mechanism, the multi-degree-of-freedom mechanical arm comprises a chassis assembly and a lifting mechanism, the atomizing and spraying mechanism comprises a water tank and a spraying device, the water tank is located on the portion, on one side of the multi-degree-of-freedom mechanical arm, of the frame, the spraying device is fixed to the upper surface of the brush handle, and the water tank is communicated with the spraying device through a pressure pump and used for supplying water to the spraying device. And the spraying device is used for converting water into spray to be sprayed out. The degree of freedom of movement of the mechanical arm is increased, the coverage range of cleaning is greatly enlarged, all corners in the pipeline are effectively cleaned, and the inner wall o