Jib Cranes

Jib crane

The pillar is made of a special circular and / or octagonal steel self-bearing section pipe, which guarantees a perfect strength. The pillar is equipped with a base plate at the bottom for the anchoring of the foundation and at the top with a pierced flange adjusted for the fixing of the bearing.

According to its capacity and length, the jib is made either of a steel girder with unified section or of a box girder with internal stiffening diagrams. Like the pillar, the jib is endowed with a pierced flange adjusted for the bearing and fixed by means of strong bolts.

The rotation system are made of a suitably dimensioned thrust bearing which can resist both the vertical thrust and the tilting moment and of a gear unit fixed to the jib, with integral brake’s motor, progressive starting and breaking, whose pinion, mounted on the slow shaft, throws into gear with the bearing internal teeth.

The mounting system, the precision of the bearing and the gear unit sensitivity guarantee the perfect, smooth jib rotation. The cranes can be endowed with wire rope / chain hoists.

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