| 摘要 |
<p>The present invention enhances a structure of a ladder applied to a narrow smoke stack of a ship. Ladders are arranged on the inner and outer surfaces of a smoke stack and are rotated along the inner and outer circumferences of the smoke stack to make a user work at a desired position in the maintenance or cleaning work of the smoke stack and to improve space utilization. According to the present invention, the ladder structure for a smoke stack of a ship comprises: a first rail part formed on the front edge of the smoke stack of the ship while having a recessed shape; a ladder body having a first caster member arranged in one end and rotated along the inner circumference of the first rail part and a second caster member arranged in the other end and rotated on the ground along the outer circumference of the smoke stack of the ship; supporters arranged in the other end of the ladder body in a state where one end coming in contact with the ground is installed to be rotated.</p> |
