Jib Crane Models
The trolley hoist on a horizontal load-bearing boom are key features on Jib cranes. The boom is secured to a vertical mast which 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 used in factories and warehouses for loads weighing as much as 5 tons. The BestJibCranes.com web site features the major jib crane types as being either wall-mounted, mast mounted or free-standing.
Free Standing
The free-standing jib crane models do not need any support from the building structure and are able to stand by themselves. The horizontal boom in this situation is attached to a pivoting vertical column which is anchored firmly to the floor of the building. This kind of jib crane is able to rotate a full 360 degrees and requires a foundation made of either concrete or steel.
Mast-Type
The vertical column on the mast-type jib cranes are supported by pivot points at the bottom and the top. These pivots are connected to the floor of the building and the overhead steel structure. These jib-cranes provide 360 degrees of rotation with the advantage of not requiring the massive foundation required for free-standing units.
Wall Mounted
Wall mounted jib cranes are connected to the building wall instead of supporting a typical vertical column. These cranes offer a horizontal boom. These machine provide 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 that is attached to the wall. The other kind supports the boom from below by using a cantilever brace which is also attached to the wall.