| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve lubricating performance of an inner pin 27 of an in-wheel motor drive device, employing a cycloid type as a speed reducer, to a roll 28.SOLUTION: There is provided an in-wheel motor drive device that employs, as a speed reducer 2, a cycloid type which rotates a wheel hub 3 by rotating a pin holder 29 supporting both ends of an inner pin 27 through rotation of an outer gear 20 and outputting the rotation from an output shaft 24 provided for the pin holder 29, and is lubricated with lubricating oil supplied from an inner passage 12 of an input shaft 13. The pin holder 29 comprises a pair of cylinder parts 31a, 31b provided on an outer diameter surface of the input shaft 13, and a pair of annular plates 30a, 30b provided on an outer diameter surface of the cylinder part 31a, the pair of annular plates 30a, 30b support both ends of the inner pin 27, and a catch plate 36 which receives lubricating oil supplied from the outer diameter surface of the input shaft 13 with centrifugal force is installed on the pin holder 29 to cover an end face of the inner pin 27.</p> |
