Swimming pool cleaning machine

The embodiment of the utility model discloses a swimming pool cleaning machine. The swimming pool cleaning machine comprises a roller assembly, a support, a driving assembly and a connecting assembly. At least one end part of the roller assembly is provided with a mounting part and has an axial direction; the support comprises two mounting plates which are oppositely arranged, a mounting space used for mounting the roller assembly is defined between the two mounting plates, and mounting holes are formed in the mounting plates; the driving assembly comprises at least one driving wheel, the mounting plate is located between the driving wheel and the roller assembly, and at least one part of the driving wheel is inserted into a mounting hole of the mounting plate from the outside of the mounting space; one end of the connecting assembly is mechanically connected with the mounting part, and the other end of the connecting assembly is detachably connected with the driving wheel and extends out of the mounting spac