Wolff Self Erect Cranes Oakland

Jib Crane Types

The trolley hoist on a horizontal load-bearing boom are key features on Jib cranes. The boom is secured to a vertical mast that measures up to 20 feet long. Jib cranes could transport loads between any areas within the boom's arc of rotation. Light duty models are utilized within warehouses and factories for loads weighing up to 5 tons. The web site BestJibCranes.com showcases the major jib crane models as being either wall-mounted, mast mounted or free-standing.



Free Standing

The free-standing jib crane models do not require any support from the building structure and could stand by themselves. The horizontal boom in this specific situation is connected to a pivoting vertical column that is firmly anchored to the building floor. This kind of jib crane needs a foundation made of either concrete or steel and is able to rotate a full 360 degrees.



Mast-Type

The mast-type jib cranes feature a vertical column which is supported by pivot points at the top and the bottom which are connected to the floor of the building and the overhead steel structure. These jib-cranes offer 360 degrees of rotation with the advantage of not requiring the massive foundation required for free-standing units.



Wall Mounted

The wall-mounted jib cranes provide a horizontal boom which is attached to the building wall rather than the normal vertical column. These equipments provide up to 200 degrees of rotation and are ideal in areas where the full 360 degree rotation is not required.



Depending on how the boom is supported, there are two model varieties. One kind uses a tie rod from above the boom that is attached to the wall. The other variety supports the boom from below by using a cantilever brace that is also connected to the wall.

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