Tennis ball picking robot

The utility model discloses a tennis ball picking robot which comprises a Mecanum wheel chassis, a ball collecting box body, a ball conveying and sweeping channel, a ball picking roller barrel, a ball sweeping brush and Mecanum wheels. Wherein the Mecanum wheels are respectively arranged at the periphery of the KNamb wheel chassis; the ball collecting box body is mounted above the knamb wheel chassis; the ball picking roller barrel is installed in front of the Knamb wheel chassis, the ball conveying and sweeping channel is installed at the other end, exposed out of the profile baffle shaft sleeve, of the ball pushing stud in the ball picking roller barrel, the ball sweeping brush is installed above the ball collecting box, and a ball outlet in an opening in the side face of a ball collecting track of the ball conveying and sweeping channel is aligned with a ball inlet in the ball collecting box to form a robot body. The robot is driven by the Mecanum wheels to walk, balls swept by the ball sweeping brush ente