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Kinds 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 could transport loads between any areas within the boom's arc of rotation. Light duty units are used inside factories and warehouses for loads weighing up to 5 tons. The web site BestJibCranes.com showcases the major kinds of jib cranes 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 specific case is attached to a pivoting vertical column which is anchored solidly to the building floor. This type of jib crane could rotate a full 360 degrees and requires a foundation made of either steel or concrete.
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 provide 360 degrees of rotation with the benefit of not needing the massive foundation required for free-standing units.
Wall Mounted
The wall-mounted jib cranes provide a horizontal boom which is connected to the building wall rather than the typical vertical column. These equipments provide up to 200 degrees of rotation and are ideal in places where the full 360 degree rotation is not required.
There are two model varieties, depending on how the boom is supported. One of the kinds utilizes 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 also connected to the wall.
A boom truck uses a winch to recover heavy items or transport materials to areas which are usually not accessible. Like for instance, they are commonly utilized maneuvering materials to a hillside or over a ditch or to reach the top of a building.
A large truck is equipped 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 certain place. There is a different boom truck configuration that is equipped with a cherry picker. This version 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 which is moved by a hydraulic lifting device 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 made for a particular buyer's requirements.
Cherry Picker
Bucket trucks are cherry pickers which can lift workers to great heights. Typically, cherry pickers or buckets move workers from the ground up to high places like the sides of buildings, treetops, for fire department and firefighting or up utility poles.
Location
The platform on the boom is operated by remote from the truck's cab. Either the boom is mounted on the bed of a large truck or on a separate trailer. Larger booms require outriggers that extend horizontally from the truck in order to stabilize and level out the crane throughout its operation.
Controls
This model of boom truck has a cab-over-engine which has a control cluster that can move the boom from inside the cab. It is normally a panel in the boom itself on the side of the bed.
