Double-gun girth welding equipment

The invention provides double-gun girth welding equipment. The double-gun girth welding equipment comprises a support, a driving chuck, a driven chuck, a rotary driving device and two sets of welding guns, wherein the rotary driving device is in transmission connection with the driving chuck, the driving chuck is rotationally connected with the support, the driven chuck is rotationally connected with the support, the rotating central axis of the driving chuck and the rotating central axis of the driven chuck are located on the same straight line, the welding guns are connected with the support, the welding guns can move in the direction close to or away from the rotating central axis of the driving chuck, the welding guns are located between the driving chuck and the driven chuck, and the two sets of welding guns are arranged in the direction parallel to the rotating central axis of the driving chuck. 本申请提供了一种双枪环缝焊接设备，包括支架、主动卡盘、从动卡盘、旋转驱动装置和两组焊枪，所述旋转驱动装置与所述主动卡盘传动连接，所述主动卡盘与所述支架转动连接，所述从动卡盘与所述支架转动连接，所述主动卡盘的旋转中轴线与