55T Crawler Crane Is Widely Used In Mining Operations, Convenient
And Fast
XGC55 Crawler Crane Technical Specifications
Crawler crane models: XGC55
Maximum rated lifting capacity: 55t/3.7m
Maximum rated lifting moment: 203.5t.m
Product component and system description
The upper part
Luffing mechanism
The luffing mechanism is driven by a planetary gear reducer driven
by a quantitative hydraulic motor, and the luffing of the main arm
is achieved through a drum and a luffing pulley set.
The luffing mechanism has a built-in planetary reducer and adopts a
negative brake design with multiple wet laminated disc normally
closed brakes to achieve the "spring brake/hydraulic release"
function.
The main luffing drum is a double-fold multi-layer winding
single-joint drum made of ductile iron, which has good vibration
absorption and can ensure that the wire rope is wound in multiple
layers without tangling, effectively extending the service life of
the wire rope. The drum is equipped with a ratchet locking device,
and the ratchet is driven by a hydraulic cylinder to achieve
multiple locking protection.
The luffing mechanism adopts a left-handed, cross-twisted,
non-rotation-resistant special wire rope with an independent steel
core, high breaking force, and excellent structural stability. The
rated single rope tension is 6t, the wire rope diameter is φ 20 mm,
and the length is 103m.
Slewing mechanism
The slewing mechanism and the slewing bearing are driven by
internal meshing and arranged at the front of the turntable. The
planetary gear reducer driven by the quantitative motor drives the
slewing bearing through the pinion to achieve 360° rotation.
The slewing mechanism has a built-in planetary reducer and adopts a
multi-plate wet laminated normally closed brake with a negative
braking design to achieve the "spring braking/hydraulic release"
function to ensure that the slewing has extremely high braking
safety. The slewing mechanism is also equipped with a mechanical
slewing locking device to achieve locking protection of the slewing
mechanism.
The eccentric mechanism can ensure better meshing between the
reducer and the slewing bearing, making the rotation smoother. The
slewing mechanism has a free sliding function to ensure that when
heavy objects are lifted, even if the lifting hook is not on the
vertical center line of the center of gravity of the lifted object,
the lateral force on the boom can be eliminated, thereby preventing
the working arm from being damaged by a large lateral force.
Slewing bearing
Elliptical raceway double-row ball slewing bearing has the
characteristics of large load-bearing capacity and small slewing
resistance.
Cylinder assembly
The cylinder assembly includes the crawler beam telescopic cylinder
and the main luffing ratchet locking cylinder.
The crawler beam telescopic cylinder uses the cylinder as the
power, and shares a main valve with the left walking. The walking
and crawler telescopic switching is convenient, the action is soft,
the impact is small, and the crawler gauge can be easily changed to
meet the transportation and work requirements.
The main luffing ratchet locking cylinder is used to control the
ratchet action. When the main luffing pilot handle is operated, the
ratchet automatically opens, and when the main luffing pilot handle
returns to the middle position, the ratchet automatically closes.
When the main luffing winch is not working, the ratchet locking
device is always in a locked state, without additional manual
operation, which is both safe and convenient.
Control room
The control room is designed with bionics, with smooth lines and a
sense of power. The control room has a large glass area, and the
side glass is reasonably divided, with a strong sense of technology
and a wide operating field of vision. The interior is arranged with
people as the center, and the operator can touch all the buttons
without getting up. It is equipped with adjustable seats, air
conditioning, power sockets, radio, etc., providing a comfortable
operating environment for the operator.
