Tandem scanning probe connecting mechanism for welding seam inspection

The invention relates to the field of welding seam inspection, in particular to a serial scanning probe connecting mechanism for welding seam inspection, which comprises a transmitting probe, a receiving probe and a handheld frame, a grip is arranged on the handheld frame, a movable frame is arranged on the handheld frame, and a buffer connecting piece is arranged between the movable frame and the handheld frame. A clamping groove used for limiting the moving direction of the movable frame is formed in the handheld frame, and a distance adjusting mechanism used for driving the transmitting probe and the receiving probe to move relatively at the same time is arranged on the movable frame. When the transmitting probe and the receiving probe on the movable frame make contact with the pipe wall of the pipeline, the handheld frame continues to be pressed downwards, the transmitting probe and the receiving probe are kept to be tightly attached to the pipe wall, and during weld joint inspection, the distance between