Boiler dust cleaning mechanism that goes up and down in step

The utility model discloses a boiler dust cleaning mechanism that goes up and down in step, lifting drive mechanism including deashing frame and the reciprocal vertical lift of drive deashing frame, lifting drive mechanism include simultaneous movement four drive chain and respectively with four driving sprocket that the drive chain transmission is connected, per two driving sprocket is connectedwith a commutator through a drive shaft respectively, every the other end of drive shaft takes the base bearing to be connected with one, every the commutator is through a transmission shaft and a coupling joint, the shaft coupling is connected with same motor reducer, every on drive chain's one end is connected to and cleans the frame, form a whole with cleaning the frame, drive chain with cleanframe simultaneous movement together, establish the soot blower in boiler top portion for the automatic air intake valve of opening carries out the pulsed with the steel brush to on the deashing frameand sweeps when the deashi