| 摘要 |
<p>In a transmission for a wheel loader, lubricating oil is sufficiently supplied to respective parts by means of natural lubrication. The transmission (20) for a wheel loader includes a first oil accumulating part (P1), a second oil accumulating part (P2), a communication oil path (OP1), a horizontal hole (84) and a vertical hole (85a, 85b). The first oil accumulating part (P1) is mounted above a lubricated part and accumulates scattered lubricating oil. The second oil accumulating part (P2) is mounted to an end of an output shaft (41) while being disposed below the first oil accumulating part (P1), and accumulates the lubricating oil from the first oil accumulating part (P1). The communication oil path (OP1) makes the first oil accumulating part (P1) and the second oil accumulating part (P2) communicate with each other. The horizontal hole (84) is formed in the rotary shaft while being axially extended, and communicates with the second oil accumulating part (P2). The vertical hole (85a, 85b) is formed in the output shaft (41) while communicating with the horizontal hole (84), and directs the lubricating oil accumulated in the second oil accumulating part (P2) to the lubricated part when the output shaft (41) is rotated at a rotational speed lower than a predetermined rotational speed.</p> |
