The utility model provides a can conveniently implement dolly of converter sleeve pipe operation, belongs to BOF steelmaking equipment technical field for carry out the operation of converter sleeve pipe more conveniently. Its technical scheme is: dolly bottom plate level is placed, and the wheel is installed in dolly bottom plate below, and the handrail is installed at dolly bottom plate rear portion, and the lower part of support is fixed on the dolly bottom plate, and the smooth movable sleeve of the upper portion of support installation steel pipe, the smooth movable sleeve of steel pipe place along the length direction of dolly bottom plate on the horizontal plane, and the smooth movable sleeve's of steel pipe inner wall is sliding fit with the steel pipe. The utility model discloses a dolly support and the steel pipe that removes the operation of implementation converter sleeve pipe for the operation of converter sleeve pipe provides the safety guarantee, have effectively been avoidd the high altitude and have been fallen, have been crowded the potential risk who injures the scald to reduce the intensity of labour who moves the steel pipe through the fixed pulley, realized the accurate control of tapping hole position, improved the installation quality of tapping hole, not only can improve the life of tapping hole, still be favorable to improving converter tapping process's pushing off the slag success rate.