Used Wolff Self Erect Cranes Thousand Oaks

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 which measures up to 20 feet long. Jib cranes could transport loads between any areas within the boom's arc of rotation. Light duty units are utilized inside warehouses and factories for loads weighing as much as 5 tons. The website BestJibCranes.com features the major kinds of jib cranes as being either free-standing, wall-mounted or mast mounted.

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 situation is connected to a pivoting vertical column which is firmly anchored to the floor of the building. This kind of jib crane requires a foundation made of either steel or concrete and can rotate a full 360 degrees.

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

Wall Mounted
The wall-mounted jib cranes provide a horizontal boom which is connected to the wall of a building rather than the regular vertical column. These machinery offer up to 200 degrees of rotation and are ideal in places where the full 360 degree rotation is not needed.

There are two model varieties, depending on how the boom is supported. One of the types uses a tie rod that is connected from above the wall to the boom. The other variety supports the boom from below by using a cantilever brace which is connected to the wall as well.

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