Kinds of Jib Cranes
Jib cranes are made up of a trolley hoist on a horizontal load-bearing boom. This boom is connected to a pivoting vertical member and up to 20 feet long. Jib cranes can transport loads between any areas within the boom's arc of rotation. Light duty units are used inside warehouses and factories for loads weighing up to 5 tons. The BestJibCranes.com website showcases the major jib crane types as being either wall-mounted, mast mounted or free-standing.
Free Standing
Free-standing jib cranes are able to stand alone not requiring support from the building structure. The horizontal boom in this specific situation is connected to a pivoting vertical column which is anchored solidly to the floor of the building. This type of jib crane could 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 building floor and the overhead steel structure. These jib-cranes provide 360 degrees of rotation with the benefit of not needing the massive foundation required for free-standing units.
Wall Mounted
The wall-mounted jib cranes provide a horizontal boom that is connected to the building wall rather than the typical vertical column. These equipments offer up to 200 degrees of rotation and are great in areas where the full 360 degree rotation is not required.
There are two model varieties, depending on how the boom is supported. One of the types utilizes a tie rod which is attached from above the wall to the boom. The other type supports the boom from below by utilizing a cantilever brace that is connected to the wall also.