Lifting device for steel pipe installation

The utility model provides a lifting device for steel pipe installation, which comprises an installation frame, three groups of winding and unwinding motors are installed on the installation frame, winding rollers are installed on output shafts of the winding and unwinding motors, traction lifting ropes are wound on the winding rollers, an auxiliary frame is sleeved on the three traction lifting ropes, and the auxiliary frame is connected with the winding rollers. The auxiliary frame is provided with a locking mechanism capable of fixing the auxiliary frame on one traction lifting rope, the end, away from the winding and unwinding motor, of the traction lifting rope is connected with a clamping jaw mechanism, and the ends, away from the winding and unwinding motor, of the other two traction lifting ropes are both connected with sleeving anti-disengaging mechanisms. According to the lifting device for steel pipe installation, through the arrangement of the installation frame, the winding and unwinding motor, t