Used Wolff Self Erect Cranes Costa Mesa

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

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

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 attached to the floor of the building and the overhead steel structure. These jib-cranes offer 360 degrees of rotation with the benefit of not needing the massive foundation needed for free-standing units.

Wall Mounted
Wall mounted jib cranes are attached to the wall of the building instead of supporting a regular vertical column. These cranes offer a horizontal boom. These equipments provide up to 200 degrees of rotation and are ideal 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 that is attached to the wall. The other kind supports the boom from below by utilizing a cantilever brace which is also connected to the wall.

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