| 摘要 |
PROBLEM TO BE SOLVED: To provide a speed reducer lubrication structure capable of promptly supplying scraped-up lubricating oil to lubricating oil supply targets without via a catch tank.SOLUTION: A speed reducer lubricating structure comprises: a case 20 having lubricating oil supply targets 27 and 41 provided between a sidewall 20b1 formed inside and a rotational axis 26a; a reduction gear 26 provided within the case 20, connected to an output shaft 12 of a driving source 11 and rotating about the rotational axis 26a; a catch tank 35 storing part of lubricating oil stored in a bottom of the case 20 and scraped up by the reduction gear 26; an oil passage 34 provided in the sidewall 20b1 and introducing the lubricating oil scraped up by the reduction gear 26 to the catch tank 35; a rib 39 formed on the sidewall 20b1 so as to extend in the radial direction and introducing the scraped-up lubricating oil in the inside diameter direction; and a groove part 40 which is provided in an edge 39a of the rib 39 on the sidewall 20b1, into which the lubricating oil captured by the rib 39 is introduced, and which communicates with the lubricating oil supply targets 27 and 41.SELECTED DRAWING: Figure 5 |
