Simple large-diameter steel pipe bender

The invention discloses a simple large-diameter steel pipe bender, which comprises a drawing mechanism, a bender body and a fixture, the drawing mechanism is used for supplying bending force to a steel pipe to be bent, the fixture is used for connecting the steel pipe to be bent with the drawing mechanism, one end of the fixture is a piece of tapered round steel, the other end of the fixture is connected with the drawing mechanism through a drawing rope, the bender body comprises two side support plates, two fixed rollers and an adjustable roller, the two side support plates are fixedly connected through support-connecting rods, and the fixed rollers and the adjustable roller are connected with the support plates through rotary shafts, and are connected with the rotary shafts through bearings. The simple large-diameter steel pipe bender adopting the structure can reduce construction cost and bring convenience to workers in construction.