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G-series forklift of 1.0～3.5t adopts cycloid rotary valve type fully hydraulic
steering gear and it is a closed-type dynamic load steering gear. Refer to hydraulic system
for details).
(3) Transmission gear for steering
The mechanism that deflects the right and left wheels according to a certain relation
through oil cylinder and steering mechanism with power output by steering gear is called
transmission gear and it is realized though horizontal style oil cylinder steering axle
assemblies. (Refer to the chapter relating to steering axle for more information).
3.4 Steering Axle
The steering axle of 1-3.5t truck (See Fig. 3-2) includes axle body, steering cylinder,
tie rods and knuckle. The steering trapezium is made of cranks and blocks. When
pressure oil moves the cylinder piston rod, the tie rod revolves the knuckles, then the
truck may be steered. The steering axle is fixed with bolts through support on the tail
bracket at rear of the frame after bumper block is mounted on the front and end plate so
that the axle can sway around the pin roll on the end plate and obtains certain
shock-absorbing effect due to bumper block. Left and right knuckles are positioned at
two sides of the steering axle respectively. The rear wheel hubs are fitted to the knuckle
shafts through tapered roll bearings with oil seals keeping the grease in the chambers of
the hubs and the knuckles.
The steering rim and the pressure of the steering wheel are followed:
Table 3-1
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