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.