Measuring method of the neck bearing clearance on the rudder stock of ship

摘要

PURPOSE: A method for inspecting a gap between a runner stock and neck bearing of a ship is provided to measure a gap between a runner stock and neck bearing in the inside of a hull, thereby easily inspecting an abrasion loss amount of the neck bearing. CONSTITUTION: A method for inspecting a gap between a runner stock and neck bearing of a ship is as follows. A runner stock is pressurized at an inner one spot of a hull so that the runner stock contacts to one side of a neck bearing(S20). A gap generated between the runner stock and the other side of the neck bearing is measured(S30). [Reference numerals] (AA) Pressing device(hydraulic cylinder); (BB) Pushing a runner stock to a side of a neck bearing; (CC) Measuring device(poker gauge); (S10) Installation step; (S20) Driving step; (S30) Measuring step