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Jib Crane Types
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 20 feet long. Jib cranes can move loads between any areas within the boom's arc of rotation. Light duty models are utilized inside factories and warehouses for loads weighing up to 5 tons. The website BestJibCranes.com features the major jib crane types as being either wall-mounted, mast mounted or free-standing.
Free Standing
Free-standing jib cranes are able to stand alone not needing support from the building structure. The horizontal boom in this situation is connected to a pivoting vertical column that is firmly anchored to the floor of the building. This kind of jib crane requires a foundation made of either steel or concrete and could 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 building floor and the overhead steel structure. These jib-cranes provide three hundred sixty 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 which is attached to the wall of a building rather than the regular vertical column. These equipments are ideal in areas where the full 360 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 type uses a tie rod from above the boom which is connected to the wall. The other variety supports the boom from below by utilizing a cantilever brace which is connected to the wall as well.
To recover heavy items or to move supplies to places and areas which are not normally accessible, boom trucks will utilize a winch. Like for example, they are commonly used to reach the top of a building, maneuvering supplies to a hillside or over a ditch.
Larger trucks are equipped with a boom winch that is mounted in the truck's bed. It is capable of moving construction items and other equipment from the side of the street to a certain location. There is another boom truck configuration that is equipped with a cherry picker. This version enables arborists to easily access treetops.
The Vehicle
The Stinger BT 3063 model has a 113-foot reach and is outfitted with stabilizers and outriggers. A boom truck can vary 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 made for a specific buyer's requirements.
Cherry Picker
Cherry pickers are bucket trucks which can raise employees to great heights. Usually, buckets or cherry pickers transport workers from the ground up to high areas like for example treetops, the sides of a building, up utility poles or for fire department rescue and firefighting.
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 large truck. Larger booms require outriggers that extend horizontally from the truck in order to level out and stabilize the crane in its operation.
Controls
This kind of boom truck has a cab-over-engine that has a control cluster which could move the boom from inside the cab. It is normally a panel in the boom itself on the side of the bed.
