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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 twenty feet long. Jib cranes can move loads between any areas within the boom's arc of rotation. Light duty units are utilized within factories and warehouses 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
Free-standing jib cranes can stand alone not needing support from the building structure. The horizontal boom in this case is connected to a pivoting vertical column which is solidly anchored to the floor of the building. This type of jib crane requires a foundation made of either steel or concrete and could rotate a full 360 degrees.
Mast-Type
The mast-type jib cranes feature a vertical column that is supported by pivot points at the bottom and the top which are attached to the building floor and the overhead steel structure. These jib-cranes provide 360 degrees of rotation with the benefit of not requiring the massive foundation needed for free-standing units.
Wall Mounted
The wall-mounted jib cranes provide a horizontal boom that is connected to the building wall as opposed to the normal vertical column. These machinery are ideal in places where the full 360 degree rotation is not needed and offer up to 200 degrees of rotation.
There are two model varieties, depending on how the boom is supported. One of the types utilizes a tie rod that is attached 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 too.
A boom truck uses a winch to recover heavy things or move materials to places that are normally not accessible. Like for example, they are normally used to reach the top of a building, maneuvering supplies over a ditch or to a hillside.
A big truck is equipped with a boom winch. This is mounted in the truck's bed and then it is capable of moving construction items and other equipment from street-side to a particular area. There is another boom truck configuration that is outfitted with a cherry picker. This model allows arborists to easily access treetops.
The Vehicle
Terex's Stinger BT 3063 model has a reach of 113-feet and is equipped with both outriggers and stabilizers. A boom truck could range from an aerial work platform that is moved by a hydraulic lifting mechanism which is mounted on the bed, up to a Class 8 tractor-trailer rig with a bucket. It is also possible to have a customized boom lift manufactured for a specific buyer's needs.
Cherry Picker
Cherry pickers or bucket booms allow employees to reach excellent heights. Normally, cherry pickers or buckets move employees from the ground up to high areas like treetops, the sides of a building, up utility poles or for firefighting and fire department rescue.
Location
The boom platform could be operated from the truck's cab by remote. Either the boom is mounted on the bed of a big truck or on a separate trailer. Larger booms need outriggers that extend horizontally from the truck in order to level out and stabilize the crane in its operation.
Controls
This model of boom truck has a cab-over-engine that has a control cluster which can move the boom from inside the cab. It is often a panel in the boom itself on the side of the bed.
