Types 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 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 utilized within warehouses and factories for loads weighing up to 5 tons. The BestJibCranes.com web site features the major types of jib cranes as being either free-standing, wall-mounted or mast mounted.
Free Standing
Free-standing jib cranes could stand alone not requiring support from the building structure. The horizontal boom in this particular situation is connected to a pivoting vertical column which is anchored firmly to the floor of the building. This kind of jib crane requires a foundation made of either steel or concrete and could rotate a full 360 degrees.
Mast-Type
The vertical column on the mast-type jib cranes are supported by pivot points at the top and the bottom. These pivots are connected to the building floor and the overhead steel structure. These jib-cranes offer 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 attached to the wall of the building rather than 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 needed.
Depending on how the boom is supported, there are two model varieties. One type utilizes a tie rod from above the boom that is connected to the wall. The other kind supports the boom from below by utilizing a cantilever brace which is also connected to the wall.