Wolff Self Erect Cranes Eugene

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 units are used within factories and warehouses for loads weighing up to 5 tons. The web site BestJibCranes.com features the major jib crane types as being either free-standing, wall-mounted or mast mounted.



Free Standing

Free-standing jib cranes are able to stand alone not needing support from the building structure. The horizontal boom in this specific case is connected to a pivoting vertical column which is anchored solidly to the building floor. This type of jib crane is able to rotate a full 360 degrees and needs a foundation made of either steel or concrete.



Mast-Type

The mast-type jib cranes feature a vertical column that is supported by pivot points at the top and the bottom that 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 offer a horizontal boom that is connected to the wall of a building rather than the typical vertical column. These equipments provide up to 200 degrees of rotation and are great in places where the full 360 degree rotation is not needed.



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

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