Threading pipe propelling device

The utility model relates to the field of building construction. The utility model discloses a threading pipe propelling device. The device comprises a power output device, a driving wheel, a driven wheel, a guide axle box and a counter-pressure driving device, the outer ring surfaces of the driving wheel and the driven wheel are concave surfaces; the outer ring surfaces of the driving wheel and the driven wheel, the outer ring surfaces of the driving wheel and the driven wheel press the outer wall of the threading pipe, a driving shaft is arranged at the wheel core position of the driving wheel, the power output device is in butt joint with the driving shaft through a gear set and can drive the driving wheel to rotate, and a driven shaft is arranged at the wheel core position of the driven wheel and presses the outer wall of the threading pipe; the guide axle box comprises an axle box shell, a linear hollowed-out guide channel is formed in the top of the axle box shell, and the guidechannel is formed in the