Three-sucker type cleaning device and control method thereof

The invention discloses a three-sucker type cleaning device. The three-sucker type cleaning device comprises a machine body, a vacuum pump, three traveling cleaning mechanisms, a controller circuit and a mobile terminal. The machine body comprises a bottom shell and a top cover, an inner cavity is formed by fastening of the bottom shell and the top cover, and a mounting hole is formed in the middle of the top cover. Each traveling cleaning mechanism comprises a sucker, a motor, a worm gear and a worm meshing with the worm gear, wherein the sucker is arranged outside the inner cavity, the motor, the worm gear and the worm are arranged in the inner cavity, an output shaft of the motor is connected with the worm, and the worm gear is connected with the sucker. The three suckers are in equilateral triangle distribution, and cleaning cloth is mounted on each sucker. The vacuum pump is mounted on the top cover through the mounting hole and is positioned in the inner cavity. The controller circuit is mounted outside