Narrow-gap pit slot backfilling equipment

The invention discloses narrow-gap pit slot backfilling equipment, and relates to the technical field of pit slot backfilling. The stirring machine comprises a stirring machine body, the stirring machine body comprises a machine shell, a discharging pipe and four supporting legs, and the stirring machine is characterized in that the other end of the discharging pipe is communicated with an adjusting pipe; the inner side of the adjusting pipe is rotationally sleeved with a connecting pipe; the other end of the connecting pipe is fixedly connected with an elliptical discharge head; the adjusting pipe is fixedly connected with a puller bolt matched with the connecting pipe. The discharge head is funnel-shaped; the discharge head is made of a deformable steel plate material; the lower end inside the discharging head is rotationally connected with a threaded pipe. The device has the beneficial effects that in the using process, proportional feeding is better achieved through metering, adjustment is convenient, fix