3.1.3 Steering device
The steering device (Fig.3-3) consists of gear group, steering motor, steering axle
body and steering wheel, etc. Driven by the gear motor hydraulic oil, the gear group makes
the steering wheel turn, which drives steering axle body turning. The wheel is assembled in
the rear wheel hub with wheel rim, while the rear wheel hub is assembled in the steering
axle body with two tapered roller bearing. In the inner of the bearing, there is oil seal, which
makes the lubrication grease hold in the wheel hub and steering wheel axle chamber.
The steering motor is of a cycloid gear type hydraulic motor (See it as Fig3-4), it is
tandem with powered steering unit, drives the gear group, then the steering wheel will be
turned.
When the steering wheel is in middle position, set the steering angle in electric control
0 degree, readjust the resistance value in middle position.
Fig.3-3 Steering device
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