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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 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 used inside warehouses and factories for loads weighing as much as 5 tons. The BestJibCranes.com website features the major kinds of jib cranes as being either free-standing, wall-mounted or mast mounted.
Free Standing
The free-standing jib crane models do not require any support from the building structure and can stand by themselves. The horizontal boom in this situation is attached to a pivoting vertical column which is firmly anchored to the floor of the building. This kind of jib crane needs a foundation made of either concrete or steel 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 top and the bottom. These pivots are connected to the building floor and the overhead steel structure. These jib-cranes offer three hundred sixty degrees of rotation with the benefit of not requiring the massive foundation required for free-standing units.
Wall Mounted
Wall mounted jib cranes are attached to the building wall instead of supporting a normal vertical column. These cranes offer a horizontal boom. These machine are great in places where the full 360 degree rotation is not required and provide up to two hundred degrees of rotation.
Depending on how the boom is supported, there are two model varieties. One type utilizes a tie rod from above the boom that is attached to the wall. The other kind supports the boom from below by using a cantilever brace that is connected to the wall too.
To recover heavy items or to transport supplies to places and areas that are not usually accessible, boom trucks would utilize a winch. For instance, they are commonly utilized to reach the top of a building, maneuvering materials over a ditch or to a hillside.
Bigger trucks are outfitted with a boom winch which is mounted in the bed of a truck. It is capable of transporting construction items and other equipment from the side of the street to a certain place. There is a different boom truck configuration that is outfitted with a cherry picker. This model allows arborists to access treetops easily.
The Vehicle
Terex's Stinger BT 3063 model has a reach of 113-feet and is equipped with both outriggers and stabilizers. A boom truck could range from an aerial work platform that 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 made for a specific buyer's needs.
Cherry Picker
Bucket trucks are cherry pickers which can raise employees to great heights. Usually, cherry pickers or buckets move employees 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 is able to be operated by remote from the truck'[s cab. Either the boom is mounted on a separate trailer or on the bed of a big truck. Booms which are bigger need outriggers that horizontally extend from the truck so as to level out and stabilize the crane during 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 often a panel in the boom itself on the side of the bed.
