Ship body connecting piece installation auxiliary device and using method thereof

The invention relates to the technical field of ship building, in particular to a ship body connecting piece installation auxiliary device and a using method thereof.The ship body connecting piece installation auxiliary device comprises a scale rod and a plurality of positioning pieces, all the positioning pieces can be horizontally and movably arranged on the scale rod, and the upper end of each positioning piece is provided with a first scale plate capable of moving up and down; the lower end of each positioning piece is provided with a second scale plate capable of moving up and down, the upper end of each first scale plate and the lower end of each second scale plate are each provided with a positioning hole allowing the mounting end of the corresponding connecting piece to penetrate through, and the horizontal distance between the positioning holes can be adjusted in place by moving the positioning pieces. The vertical distance of each positioning hole can be adjusted in place by moving each first scale