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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 attached to a pivoting vertical member and up to 20 feet long. Jib cranes are able to move loads between any areas within the boom's arc of rotation. Light duty units are used inside warehouses and factories for loads weighing up to 5 tons. The BestJibCranes.com web site features the major jib crane models as being either wall-mounted, mast mounted or free-standing.
Free Standing
The free-standing jib crane models do not need any support from the building structure and can stand by themselves. The horizontal boom in this specific situation is connected to a pivoting vertical column which is firmly anchored to the floor of the building. This type of jib crane needs a foundation made of either steel or concrete and can 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 top and the bottom. These pivots are connected to the building floor and the overhead steel structure. These jib-cranes provide 360 degrees of rotation with the advantage of not requiring the massive foundation required for free-standing units.
Wall Mounted
Wall mounted jib cranes are attached to the building wall rather than supporting a normal vertical column. These cranes offer a horizontal boom. These machine provide up to 200 degrees of rotation and are ideal in places where the full three hundred sixty degree rotation is not required.
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 variety supports the boom from below by using a cantilever brace which is attached to the wall as well.
A boom truck uses a winch to recover heavy items or move materials to areas that are usually inaccessible. For instance, they are commonly utilized to reach the top of a building, maneuvering supplies to a hillside or over a ditch.
A large truck is outfitted with a boom winch. This is mounted in the truck's bed and then it is capable of moving construction things and other equipment from street-side to a specific area. There is one more boom truck design that is equipped with a cherry picker. This model allows arborists to access treetops easily.
The Vehicle
The Stinger BT 3063 model has a one hundred thirteen-foot reach and is outfitted with outriggers and stabilizers. A boom truck can vary from an aerial work platform that is moved by a hydraulic lifting device that 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
Bucket booms or cherry pickers allow workers to reach excellent heights. Typically, cherry pickers or buckets move 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 platform on the boom is operated from the truck's cab by remote. Either the boom is mounted on a separate trailer or on the bed of a big truck. Bigger booms require outriggers which extend horizontally from the truck so as to level out and stabilize the crane throughout its operation.
Controls
This kind of boom truck has a cab-over-engine that has a control cluster that could move the boom from inside the cab. It is normally a panel in the boom itself on the side of the bed.
