Steel pipe circumferential weld union melt welding connects device

The utility model provides a steel pipe circumferential weld union melt welding connects device, includes welding carriage, turning rolls and springboard formula steel platform, and the turning rolls is fixed to be set up on steel platform bottom plate, and the turning rolls has four at least, and the steel pipe is placed to two a set of settings on the multiunit turning rolls on the steel bottom plate platform, the last operation platform that still is equipped with of steel bottom plate, the last welding carriage that is equipped with of operation platform. The last gyro wheel frame timing control case that still is equipped with of operation platform. Through adopting above -mentioned structure, can realize the welding of the inside and outside circumferential weld of steel pipe, compare in current steel pipe girth welding mode, improved welding efficiency, ensured the normal clear to the great engineering of pressure steel pipe demand such as power station. 种钢管环缝埋弧自动焊接装置，包括焊接小车、焊接滚轮架和跳板式钢平台，焊接滚轮架固定设置在钢平台底