A jib crane is a type of crane where a horizontal member (jib or boom), supporting a moveable hoist, is fixed to a wall or to a floor-mounted pillar, which is a style of cranes in case of which a horizontal portion called the boom or the jib supports a moveable hoist and is generally attached firmly to a wall or a pillar fixed to the floor. This type of crane consists of a pivoting head and boom assembly which carries a hoist and trolley unit. The pivoting head is supported either by a floor-mounted mast providing 360 degree boom rotation or by an existing building column which provides 180 degrees of boom rotation.
The most common applications for jib cranes are individual workstations; e.g., machine tools, welding/fabrication stations, and some small assembly stations. They are also often used in simple loading / unloading operations where it is not necessary to spot a load precisely. Jib cranes most often handle lighter loads at lower duty cycles than their bridge and gantry crane counterparts. A “classic” application for jibs is to outfit an assembly floor with a series of jibs at individual workstations, which are then supported by an overhead crane to lift / carry full assemblies. The hook coverage is limited to the boom length (typically a maximum of 20 ft.). The hook operates along a boom which rotates about a fixed point. If there is a need for precise locating of heavy loads, a large area of hook coverage, or frequent use for heavy loads, the jib crane may not be the best solution.
Jib Cranes Have 3 Key Features
- They do not always rotate in an angular manner. They also pick up and lower loads apart from carrying them from side to side.
- Crane jibs come in a variety of designs like floor mounted, wall mounted, unsupported, etc
- Floor or wall mounted crane jibs are capable of carrying higher quantities of load than the ones that have to be mounted on walls.
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