6.4 Steering axle
6.4 Steering axle
5-10t forklift entirely adopts transverse steering oil cylinder. The front and rear of
5-10t forklift entirely adopts transverse steering oil cylinder. The front and rear of
the center are supported by two supporting axle through sleeve on the steering axle
the center are supported by two supporting axle through sleeve on the steering axle
base,
base,
the later is fixed on the forklift frame. The two
the later is fixed on the forklift frame. The two
supporting axle can sway a certain angle to
supporting axle can sway a certain angle to
the right and left. The structures of steering axle of 5-10t forklifts are the same in the most
the right and left. The structures of steering axle of 5-10t forklifts are the same in the most
parts and the main structur
parts and the main structur
e is presented in the Fig. 6.3 and Fig. 6.4.
e is presented in the Fig. 6.3 and Fig. 6.4.
Steering axle is mainly made up of steering axle body, left and right steering knuckle
Steering axle is mainly made up of steering axle body, left and right steering knuckle
assembly, connecting rod assembly, wheel, wheel hub and steering oil cylinder
assembly, connecting rod assembly, wheel, wheel hub and steering oil cylinder
6.4.1 Steering axle body
6.4.1 Steering axle body
Steering axle body is a steel plate
Steering axle body is a steel plate
welding structure. On its two ends there are upper
welding structure. On its two ends there are upper
and lower bosses (holes) that connect the left and right steering knuckle assembly with the
and lower bosses (holes) that connect the left and right steering knuckle assembly with the
axle body by using the steering stub. The opening size of
axle body by using the steering stub. The opening size of
the boss for 5-8t forklift is small
the boss for 5-8t forklift is small
while that for 10t is large.
while that for 10t is large.
6.4.2 Left and right steering knuckle assembly
6.4.2 Left and right steering knuckle assembly
Left and right steering knuckle assembly is supported on the wheel hub through two
Left and right steering knuckle assembly is supported on the wheel hub through two
thrust bearings and the wheel is mounted on the wheel hub. Oil seal is provided on the
thrust bearings and the wheel is mounted on the wheel hub. Oil seal is provided on the
wheel hub in order to prevent grease from overflowing. The plane thrust bearing is
wheel hub in order to prevent grease from overflowing. The plane thrust bearing is
mounted between the steering knuckle and the upper and lower bosses of steering axle
mounted between the steering knuckle and the upper and lower bosses of steering axle
body, under which a gasket can be used
body, under which a gasket can be used
to regulate the rotati
to regulate the rotati
on clearance. In the inner hole
on clearance. In the inner hole
of upper and lower bosses, the steering stub is mounted and is supported by the upper and
of upper and lower bosses, the steering stub is mounted and is supported by the upper and
lower needle bearings, under which the oil seal is used. An oil nozzle is mounted on the
lower needle bearings, under which the oil seal is used. An oil nozzle is mounted on the
upper extreme cover in order to
upper extreme cover in order to
lubricate all the bearings through the inner hole
lubricate all the bearings through the inner hole
of stub.
of stub.
User
User
s should fill in
s should fill in
the grease on time. The
the grease on time. The
locki
locki
ng pin is
ng pin is
used for fixture betwee
used for fixture betwee
n the
n the
steering stubs of steering knuckle assembly.
steering stubs of steering knuckle assembly.
6.4.3 Wheel hub
6.4.3 Wheel hub
Wheel hub is spherical iron. As the tires of 8-10t forklifts are different from those of
Wheel hub is spherical iron. As the tires of 8-10t forklifts are different from those of
5-7t, the wheel hubs are also different.
5-7t, the wheel hubs are also different.
6.4.4 Steering ram (oil cylinder)
6.4.4 Steering ram (oil cylinder)
The steering ram horizontally set in the middle of the axle body is of double-action
The steering ram horizontally set in the middle of the axle body is of double-action
type. The piston rods on two ends are connected with connecting bar assembly; the other
type. The piston rods on two ends are connected with connecting bar assembly; the other
end of the later can propel the steering knuckle arm to make the wheel change direction.
end of the later can propel the steering knuckle arm to make the wheel change direction.
On the two ends of the oil
On the two ends of the oil
cylinder are the pilot sleeves and the steel-backed bearing ，
cylinder are the pilot sleeves and the steel-backed bearing ，
baffle plate ， sealing ring and anti-dust ring are installed in the inner holes of the
baffle plate ， sealing ring and anti-dust ring are installed in the inner holes of the
sleeve，wh
sleeve，wh
ich contact with piston
ich contact with piston
rod. Outside the sleeve are
rod. Outside the sleeve are
the supporting ring and O-
the supporting ring and O-
shaped ring, which contact with the inner wall of the cylinder. The oil cylinder of 5-8t
shaped ring, which contact with the inner wall of the cylinder. The oil cylinder of 5-8t
forklif
forklif
t is for
t is for
general use. For the structure, refer to Fig. 6.6.
general use. For the structure, refer to Fig. 6.6.
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