| 摘要 |
PROBLEM TO BE SOLVED: To provide a ship propeller withdrawal device which can perform a work for removing a propeller shaft of a ship from a propeller by small number of people and in a short time.SOLUTION: A fixing metal fitting is mounted to a propeller shaft and is fully tightened so as to cause slippage. Next, a brace on a propeller boss side is mounted, and four jack bolts are equally hung thereby extruding and removing a propeller body.SELECTED DRAWING: Figure 1 |
