Construction dust collector

The utility model discloses a construction dust collector, comprising a base plate, the upper surface of bottom plate passes through the backup pad and the lower fixed surface that carries the thing board is connected, two dead levers of left surface fixedly connected with of backup pad, just the opposite face of two dead levers is connected with lower fixed surface with drive arrangement's uppersurface respectively, drive arrangement passes through the belt and is connected from the driving wheel transmission, internal surface joint from the driving wheel has the pivot, first bearing, secondbearing and third bearing have been cup jointed respectively to the surface of pivot, first bearing joint is at the left surface of backup pad, second bearing joint is at the right flank of box witha net, third bearing joint is at the left surface of box with a net inner wall. This construction dust collector is through mutually supporting between motor, action wheel, belt, follow driving wheel,pivot, flabellum, storage w