Wolff Self Erect Cranes Salem

Kinds of Jib Cranes

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 are able to move loads between any areas within the boom's arc of rotation. Light duty models are utilized in warehouses and factories for loads weighing as much as 5 tons. The BestJibCranes.com website showcases the major types of jib cranes as being either wall-mounted, mast mounted or free-standing.



Free Standing

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



Mast-Type

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



Wall Mounted

Wall mounted jib cranes are connected to the wall of the building instead of supporting a regular vertical column. These cranes provide a horizontal boom. These machinery offer up to 200 degrees of rotation and are great in places where the full 360 degree rotation is not required.



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

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