| 摘要 |
PROBLEM TO BE SOLVED: To provide an oil supply method and an oil supply structure of a gyratory crusher which is an upper part opening maintenance type capable of achieving excellent maintainability and yet enables oil supply amount control for maintaining a sound oil film in a bearing portion.SOLUTION: In an oil supply method for supplying a lubrication oil to a first bearing part 41 between a spindle assembly 15 and an inner cylinder bush part 14a and a second bearing part 42 between a sleeve part 14c and an outer cylinder brush part 13a in a gyratory crusher 10 which crushes a crushed object between a gyratory mantle 17 and a cone cave 12, the lubrication oil of the first bearing part 41 and the lubrication oil of the second bearing part 42 are supplied from an oil supply inlet 31 which opens on a bottom part of a lower part frame assembly 13.SELECTED DRAWING: Figure 2 |
