Earthwork backfilling and tamping device for house building

The utility model relates to the technical field of house construction, and discloses an earthwork backfill tamping device for house construction, which comprises a main body mechanism, a tamping mechanism and an auxiliary mechanism, the tamping mechanism is located at the inner end of the main body mechanism, and the auxiliary mechanism is located at the outer end of the main body mechanism. The main body mechanism comprises a machine body, a bottom plate, a supporting rod, a pulley, a push rod and a push handle, the bottom plate is fixedly installed at the lower end of the machine body, the supporting rod is fixedly installed at the lower end of the bottom plate, the pulley is fixedly installed at the lower end of the supporting rod, and the push rod is fixedly installed at the rear end of the machine body. According to the earthwork backfilling and tamping device for the house building, when earthwork tamping can be achieved, a water pump is started, water in a water tank is pumped into a water conveying p