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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 20 feet long. Jib cranes can transport loads between any areas within the boom's arc of rotation. Light duty units are utilized within factories and warehouses for loads weighing up to 5 tons. The website BestJibCranes.com showcases the major jib crane models as being either mast mounted, free-standing or wall-mounted.
Free Standing
The free-standing jib crane units do not need any support from the building structure and could stand by themselves. The horizontal boom in this situation is attached to a pivoting vertical column which is solidly anchored to the building floor. This kind of jib crane is able to rotate a full three hundred sixty degrees and requires a foundation made of either steel or concrete.
Mast-Type
The mast-type jib cranes feature a vertical column which is supported by pivot points at the bottom and the top which 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
Wall mounted jib cranes are attached to the building wall instead of supporting a typical vertical column. These cranes offer a horizontal boom. These machinery are great in areas where the full 360 degree rotation is not needed and provide up to two hundred degrees of rotation.
There are two model varieties, depending on how the boom is supported. One of the kinds utilizes a tie rod that is attached from above the wall to the boom. The other type supports the boom from below by using a cantilever brace which is also connected to the wall.
A boom truck utilizes a winch to recover heavy items or move materials to areas that are typically not accessible. Like for example, they are commonly used maneuvering supplies over a ditch or to a hillside 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 particular area. There is one more boom truck configuration which is equipped with a cherry picker. This model enables arborists to easily access treetops.
The Vehicle
The Stinger BT 3063 model has a one hundred thirteen-foot reach and is outfitted with outriggers and stabilizers. A boom truck could range from an aerial work platform which is moved by a hydraulic lifting mechanism that is mounted on the bed, up to a Class 8 tractor-trailer rig with a bucket. It is also possible to have a modified boom lift manufactured for a specific buyer's needs.
Cherry Picker
Bucket booms or cherry pickers allow employees to reach excellent heights. Typically, cherry pickers or buckets transport workers from the ground up to high areas such as treetops, the sides of a building, up utility poles or for firefighting and fire department rescue.
Location
The boom platform is able to be 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. Booms which are bigger need outriggers which extend horizontally from the truck so as to stabilize and level out the crane during its operation.
Controls
This type of boom truck has a cab-over-engine that has a control cluster that could move the boom from inside the cab. It is often a panel in the boom itself on the side of the bed.
