Movable self-compacting backfill soil and fertilizer groove backfill construction machine

The utility model relates to the technical field of fertilizer groove backfilling, in particular to a movable self-compaction backfilling soil fertilizer groove backfilling construction machine which comprises a movable flat car, a hopper is erected on the movable flat car, a discharging opening of the hopper is communicated with a crushing cavity of a crusher, an outlet of the crushing cavity right faces a conveying belt of a belt conveyor, and the front end of the conveying belt enters a cavity of a spiral conveyor. A cavity of the spiral conveyor is provided with a water injection port and a feeding port, a conveying port of the spiral conveyor is communicated with a feeding port of the pumping machine, and a conveying pipe is arranged on the pumping machine and installed on the rotating platform. The construction machine can manufacture self-compacting backfill soil by itself and conduct backfill work, is high in integration degree, convenient to move, small in size, capable of conveniently entering and e