Cleaning robot

A cleaning robot comprising:

• a cleaning body comprising a handle and a working assembly, wherein:
• the working assembly is disposed at a first end of the handle,
• the working assembly comprises:
• a first roller;
• and
• a first drive mechanism;
• a water tank;
• a first brush;
• and
• a garbage collection box,
• the first drive mechanism drives the first roller to rotate relative to the handle,
• the water tank provides clean water to the first roller and recovers sewage absorbed by the first roller,
• the first brush is disposed on one side of the first roller and is in contact with a surface of the first roller, and
• the garbage collection box is used to collect trash separated from the first roller by the first brush;
• and
• an adjustment mechanism connected with the first drive mechanism, wherein;
• when a rotational speed of the first roller is between a first speed and a second speed, the adjustment mechanism is configured to adjust a rotational direction and the rotational speed of the first roller by controlling the first drive mechanism.