Crushing device for sweeping fallen leaves

The utility model discloses a crushing device for sweeping fallen leaves, belongs to the technical field of fallen leaf sweeping, and aims to solve the problems that a sweeping and crushing device cannot sweep leaves adhered to the surface of a road and the cleaning effect is reduced. An outer frame is slidably connected between the two limiting plates, two second rotating shafts are arranged in the outer frame side by side at intervals, rollers are coaxially and fixedly connected to the outsides of the second rotating shafts, and a conveying belt is arranged between the two rollers; a first hand wheel is manually rotated to enable a first threaded rod to rotate, then a reset plate is moved out of the bottom of one end of the sweeping machine, a second hand wheel is rotated to enable an outer frame to descend until a friction block at the bottom makes contact with a road, and therefore leaves adhering to the surface of the road can be swept; and the cleaning effect of the cleaning and crushing device is impro