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Types of Jib Cranes
Jib cranes are made up of a trolley hoist on a horizontal load-bearing boom. This boom is connected to a pivoting vertical member and up to twenty feet long. Jib cranes can move loads between any areas within the boom's arc of rotation. Light duty units are used within factories and warehouses for loads weighing up to 5 tons. The web site BestJibCranes.com features the major jib crane types as being either free-standing, wall-mounted or mast mounted.
Free Standing
Free-standing jib cranes are able to stand alone not needing support from the building structure. The horizontal boom in this specific situation is connected 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 is able to rotate a full three hundred sixty 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 connected to the floor of the building and the overhead steel structure. These jib-cranes provide three hundred sixty degrees of rotation with the benefit of not needing the massive foundation required for free-standing units.
Wall Mounted
Wall mounted jib cranes are attached to the wall of the building instead of supporting a normal vertical column. These cranes offer a horizontal boom. These equipments offer up to two hundred degrees of rotation and are ideal in areas 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 type supports the boom from below by utilizing a cantilever brace that is also attached to the wall.
To recover heavy things or to transport supplies to areas and places that are not usually accessible, boom trucks would utilize a winch. Like for instance, they are commonly used maneuvering supplies to a hillside or over a ditch or to reach the top of a building.
A huge truck is outfitted with a boom winch. This is mounted in the bed of the truck and then it is capable of moving construction things and other equipment from street-side to a specific location. There is one more boom truck design which is outfitted with a cherry picker. This version allows arborists to access treetops easily.
The Vehicle
The Stinger BT 3063 model has a 113-foot reach and is equipped with outriggers and stabilizers. A boom truck can range from an aerial work platform which 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 particular buyer's needs.
Cherry Picker
Cherry pickers are bucket trucks which could lift workers to great heights. Typically, cherry pickers or buckets transport employees from the ground up to high places such as the sides of buildings, treetops, for firefighting and fire department rescue or up utility poles.
Location
The boom platform can 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. Bigger booms need outriggers that horizontally extend from the truck so as to stabilize and level out the crane throughout its use.
Controls
A cab-over-engine model boom truck has a control cluster capable of moving the boom located in the cab. It is normally a panel in the boom itself on the side of the bed.
