Pile conveying device for pile driving barge and pile sinking construction method

The invention discloses a pile feeding device for a pile driving barge and a pile sinking construction method. The pile feeding device for the pile driving barge comprises an upper barrel, a middle barrel and a lower barrel, and the top end of the upper barrel can be inserted into a pile hammer replacing and driving sleeve; the top end of the middle barrel is connected to the bottom end of the upper barrel; the top end of the lower barrel body is connected to the bottom end of the middle barrel body, the large-diameter steel pipe pile can be arranged on the lower barrel body in a sleeving mode and abut against the middle barrel body, a movable sleeve is arranged in the lower barrel body, the movable sleeve is movably connected with the lower barrel body, and the movable sleeve is used for limiting the axial position of the small-diameter steel pipe pile. According to the device, the lower cylinder body is sleeved with the steel pipe pile with the large diameter, the steel pipe pile abuts against the middle cy