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Kinds of Jib Cranes
The trolley hoist on a horizontal load-bearing boom are key features on Jib cranes. The boom is secured to a vertical mast which measures up to 20 feet long. Jib cranes are able to move loads between any areas within the boom's arc of rotation. Light duty models are used in factories and warehouses for loads weighing as much as 5 tons. The BestJibCranes.com web site showcases the major kinds of jib cranes as being either wall-mounted, mast mounted or free-standing.
Free Standing
The free-standing jib crane units do not require any support from the building structure and can stand by themselves. The horizontal boom in this specific case is connected to a pivoting vertical column which is anchored firmly to the floor of the building. This kind of jib crane is able to 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 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 offer up to two hundred degrees of rotation and are ideal in areas where the full 360 degree rotation is not required.
There are two model varieties, depending on how the boom is supported. One of the types uses a tie rod which is attached from above the wall to the boom. The other type supports the boom from below by using a cantilever brace which is connected to the wall too.
To recover heavy items or to transport materials to places and areas which are not usually accessible, boom trucks will utilize a winch. For example, they are normally used to reach the top of a building, maneuvering materials over a ditch or to a hillside.
A huge truck is outfitted with a boom winch. This is mounted in the truck's bed and then it is capable of transporting construction items and other equipment from street-side to a particular place. There is a different boom truck configuration which 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 outfitted with both stabilizers and outriggers. A boom truck could range from an aerial work platform that 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 to suit the particular requirements of the buyer.
Cherry Picker
Cherry pickers are bucket trucks which could lift employees to great heights. Typically, cherry pickers or buckets move employees from the ground up to high areas like the sides of buildings, treetops, for fire department and firefighting or up utility poles.
Location
The boom platform can be 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 that are larger need outriggers which horizontally extend from the truck in order to level out and stabilize the crane throughout its operation.
Controls
This kind of boom truck has a cab-over-engine which has a control cluster that can move the boom from inside the cab. It is usually a panel in the boom itself on the side of the bed.
