摘要 |
A wheel hub drive with drive motor and drive gear system for industrial trucks, with the following features: driving and output axis of the drive gear system, rotation axis of the wheel and driving axis of the drive motor are disposed coaxially; the drive gear system is a single step or multi step planetary stepping gear system or a two or more step planetary coupler mechanism gear system, two horizontally spaced wheel bearings are located inside the drive gear system, wherein, a first wheel bearing is disposed between a first bearing portion, connected with the wheel hub, and a frame-fixed planet carrier, and a second wheel bearing is disposed between the first bearing portion and a frame-fixed second bearing portion or the frame-fixed planet carrier.
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