Feeding and transporting structure in steel pipe production assembly line

The utility model relates to the technical field of steel pipe conveying, in particular to a feeding and conveying structure in a steel pipe production assembly line. According to the technical scheme, the device comprises a bottom plate, a connecting rod, a supporting rod and a movable groove, sliding grooves are formed in the two sides of the outer wall of the upper end of the bottom plate, sliding blocks are slidably installed in the sliding grooves, a first bearing is embedded in one side of the outer wall of the upper end of each sliding block, and the supporting rod is rotatably installed in each first bearing; a second bearing is embedded in one side of the outer wall of the upper end of the supporting rod, a connecting rod is arranged on one side of the outer wall of the upper end of the supporting rod, a movable groove is formed in one side of the outer wall of the lower end of the connecting rod, and a piston rod is arranged in the movable groove. And it is guaranteed that the distance between the t