Snow layer densification construction device and method for polar region ice and snow airport construction

The invention relates to a snow layer densification construction device and method for polar region ice and snow airport construction. The snow layer densification construction device comprises a fixing plate, and the fixing plate is used for being fixedly connected with the advancing end of a vehicle body; the traction assembly comprises a traction driving part and a traction rope, the traction driving part is fixedly installed on the fixing plate, and the traction driving part drives the traction rope to be wound and unwound; the multifunctional shell comprises a bottom plate, a side plate and a side baffle, the bottom plate, the side plate and the side baffle jointly define the shell and are fixedly connected with one another, the end, away from the bottom plate, of the side plate is fixedly connected with the multiple sets of traction ropes, and multiple sets of snow outlets are formed in the bottom plate; the crushing assembly is fixedly mounted between the opposite side baffles of the multifunctional sh