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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 units are used within warehouses and factories for loads weighing up to 5 tons. The BestJibCranes.com website showcases the major jib crane types 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 are able to stand by themselves. The horizontal boom in this specific situation is connected to a pivoting vertical column that is anchored solidly to the building floor. This kind of jib crane can rotate a full 360 degrees and needs a foundation made of either steel or concrete.
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 attached to the floor of the building and the overhead steel structure. These jib-cranes provide 360 degrees of rotation with the advantage of not requiring the massive foundation required for free-standing units.
Wall Mounted
The wall-mounted jib cranes offer a horizontal boom that is connected to the building wall as opposed to the normal vertical column. These equipments are ideal in areas where the full 360 degree rotation is not needed and provide up to two hundred degrees of rotation.
Depending on how the boom is supported, there are two model varieties. One kind utilizes a tie rod from above the boom that is connected to the wall. The other type supports the boom from below by utilizing 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 normally accessible, boom trucks will utilize a winch. Like for example, they are normally utilized maneuvering materials over a ditch or to a hillside or to reach the top of a building.
Larger trucks are outfitted with a boom winch that is mounted in the bed of a truck. It is capable of moving construction things and other equipment from the side of the street to a specific location. There is one more boom truck configuration that is equipped with a cherry picker. This model enables arborists to easily access treetops.
The Vehicle
Terex's Stinger BT 3063 model has a reach of one hundred thirteen-feet and is outfitted with both 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 manufactured for a specific buyer's requirements.
Cherry Picker
Cherry pickers or bucket booms enable employees to reach excellent heights. Usually, buckets or cherry pickers move employees from the ground up to high areas such as treetops, the sides of a building, for fire department and firefighting or up utility poles.
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 big truck. Booms that are bigger require outriggers which horizontally extend from the truck in order to level out and stabilize the crane throughout its use.
Controls
This type of boom truck has a cab-over-engine that has a control cluster that can move the boom from inside the cab. It is often a panel in the boom itself on the side of the bed.