| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lubricating oil changing device for a crushing roller of a vertical roller mill which can change a lubricating oil to appropriately correspond to the deterioration of the lubricating condition of the lubricating oil due to the intrusion of material powder while maintaining the lubricating oil of the prescribed amount in an internal space when changing the lubricating oil held in the internal space to lubricate a bearing that supports the crushing roller of the vertical roller mill. <P>SOLUTION: The lubricating oil changing device includes, in a roller shaft 13, a lubricating oil supply line 23 for supplying the lubricating oil to the internal space, and a lubricating oil discharge line 24 for exhausting the lubricating oil from the internal space, which enables the lubricating oil to be supplied to the internal space by the lubricating oil supply line 23 while being exhausted from the internal space by the lubricating oil discharge line 24. <P>COPYRIGHT: (C)2012,JPO&INPIT |
