To provide a rudder plate mounting/removing device capable of easily mounting/removing the rudder plate from a hull in a short time without damaging the rudder plate and the hull, etc.
When removing the rudder plate 104 in this rudder plate mounting/removing device 10, the position of a frame 14 is adjusted to a position where the rudder plate 104 can be held by moving arms 34 and crawler cranes 40. The rudder plate 104 is separated from the hull 100 by moving the arms 34 and the crawler cranes 40 after adjusting a space of plates 12 for holding the rudder plate 104 and holding a side surface of the rudder plate 104. When mounting the rudder plate 104, a shaft 108 and a pintle are mounted after adjusting the position of the frame 14 to a position where the mounted rudder plate 104 is mounted by moving the arms 34 and the crawler cranes 40.
HIDAKA JUNICHI
YANO AKINORI
