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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 models are used in factories and warehouses for loads weighing up to 5 tons. The BestJibCranes.com web site 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 could stand by themselves. The horizontal boom in this case is connected to a pivoting vertical column that is solidly anchored to the building floor. This type of jib crane could rotate a full three hundred sixty degrees and needs a foundation made of either steel or concrete.
Mast-Type
The mast-type jib cranes feature a vertical column that is supported by pivot points at the top and the bottom that are attached to the building floor and the overhead steel structure. These jib-cranes offer three hundred sixty degrees of rotation with the advantage of not needing the massive foundation required for free-standing units.
Wall Mounted
Wall mounted jib cranes are connected to the building wall instead of supporting a normal vertical column. These cranes offer a horizontal boom. These equipments provide up to 200 degrees of rotation and are ideal in places where the full 360 degree rotation is not needed.
Depending on how the boom is supported, there are two model varieties. One kind utilizes a tie rod from above the boom which is attached to the wall. The other type supports the boom from below by utilizing a cantilever brace that is also attached to the wall.
To recover heavy things or to move supplies to places and areas that are not normally accessible, boom trucks will use a winch. For instance, they are normally utilized maneuvering materials to a hillside or over a ditch or to reach the top of a building.
Bigger trucks are outfitted with a boom winch which is mounted in the truck's bed. It is capable of transporting construction things and other equipment from the side of the street to a certain place. There is one more boom truck design which is outfitted with a cherry picker. This model enables arborists to access treetops easily.
The Vehicle
Terex's Stinger BT 3063 model has a reach of one hundred thirteen-feet and is equipped with both outriggers and stabilizers. A boom truck could vary 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 to meet the specific needs of the buyer.
Cherry Picker
Bucket booms or cherry pickers allow workers to reach excellent heights. Normally, buckets or cherry pickers move employees from the ground up to high places like for instance 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 big truck or on a separate trailer. Booms which are bigger need outriggers which horizontally extend from the truck so as to stabilize and level out the crane throughout its operation.
Controls
This model of boom truck has a cab-over-engine that has a control cluster which could move the boom from inside the cab. It is often a panel in the boom itself on the side of the bed.
