With the structure of four mid-mounted disk brushes and one rear-mounted suction nozzle, which provide a large sweeping width, high sweeping efficiency and good traffic ability. Also convenient for adjustment and maintenance of sweeper device and nozzle.

An automatic clutch is set up on the transmission between the vice-engine and the fan, which can ensure the automatic separation of the vice-engine from the fan when the vice-engine startup or shutdown. Also simplified the operation, reduced the impact on vice-engine and improved the reliability and service life of vice-engine. The sweeping disk has the protection function and automatic reset function, which can avoid obstacles automatically and return automatically.

Three positions of disk brush rotation speed (I. E. HIGH, MID and LOW) are provided for various road conditions to ensure the optimal cleaning effect.