| 摘要 |
The planetary assembly with wet disk brake of the invention comprises a hollow spindle (3) rigidly fixed to an axle house (1) of a running gear of a vehicle, a hollow wheel hub (5) carrying a wheel (7), the wheel hub (5) being rotatably supported in a roller bearing (8, 9) mounted to the spindle (3), an input axle-shaft (4) passing through a bore made in the spindle (3), a hollow ring gear support member (11) arranged on the periphery of the spindle (3) secured against angular displacement and prepared with splines (3) arranged on its internal side, a planetary mechanism linked up with the input axle-shaft (4) on its input side and with the wheel hub (5) on its output side, and being fitted with a ring gear (32) coupled in torque transmitting way to the splines (13) of the ring gear support member (11), wet disk brake assembly (16) fully accommodated in the ring gear support member (11i) as a self-contained unit, where the wet disk brake assembly (16) is arranged so that the external splined disks (26) and the thrust disk (27) are linked up with the splines (13) on the internal side of the ring gear support member (11), and the thrust disk (27) bears axially against the ring gear support member (11), and the brake piston (17) is guided in the ring gear support member (11) in an axially displaceable and sealed way. |
