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Jib Crane Models
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 transport loads between any areas within the boom's arc of rotation. Light duty units are used within factories and warehouses for loads weighing as much as 5 tons. The web site BestJibCranes.com 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 specific situation is connected to a pivoting vertical column which is firmly anchored to the floor of the building. This type of jib crane could rotate a full 360 degrees and needs a foundation made of either concrete or steel.
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 attached 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 building wall rather than supporting a regular vertical column. These cranes provide a horizontal boom. These machine are great in places where the full three hundred sixty degree rotation is not needed and provide up to 200 degrees of rotation.
Depending on how the boom is supported, there are two model varieties. One kind 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 which is also attached to the wall.
To recover heavy things or to transport materials to areas and places that are not normally accessible, boom trucks will use a winch. For instance, they are usually utilized maneuvering materials over a ditch or to a hillside or to reach the top of a building.
A huge truck is equipped with a boom winch. This is mounted in the bed of the truck and then it is capable of transporting construction items and other equipment from street-side to a certain area. There is one more boom truck design that is outfitted 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 stabilizers and outriggers. 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 made to suit the particular needs of the buyer.
Cherry Picker
Cherry pickers are bucket trucks which could raise employees to great heights. Normally, cherry pickers or buckets move workers from the ground up to high places like for instance 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 large truck or on a separate trailer. Booms which are larger need outriggers that horizontally extend from the truck so as to stabilize and level out the crane in its operation.
Controls
A cab-over-engine model boom truck has a control cluster capable of moving the boom located inside of the cab. It is normally a panel in the boom itself on the side of the bed.
