Why Use A Jib Crane

To start it is wise to be aware of the other names to which the Jib crane is also referred to as; they are; swing jib, pillar jib or slewing jib

. This is a form of crane intended for lifting and moving considerable loads and consists of the main sustaining upright steel beam with a further steel beam cantilevered out from this with a smaller under or over brace piece of steel for extra strength and stability. The vertical steel beam is attached to a stable foundation, for example a wall, pillar or floor, which can take the burden of the load. The horizontal beam is called the arm or boom and this slews throughout an arc of various degrees to allow simple movement of your load, this may be either manual or powered. The Jib's arm is also where other devices are fitted to raise the loads, these devices may be some form of hoist and beam clamp or trolley system.

There are many appliances that can be used alongside the jib crane to add to their versatility, these may perhaps be a chain block, electric or lever hoist or maybe a lifting magnet; these tend to be fitted to the arm by means of a beam clamp or a beam trolley, a trolley enables movement of the load back and forth across the beam and may be manual or easier still, electrically driven.

Now allow us to consider the actual lifting and moving of the load; initially the lifting device selected (i.e. hoist) needs to be fitted on to the Jib arm, this should then be moved into position precisely above the load to be lifted. The load will typically be harnessed in some type of sling, either a webbing or chain sling. The lifting hoist's chain must then be lowered down so the sling round the load can be fitted, the lift may now commence, gradually to begin to ensure it is evenly balanced. Once steady and clear of the floor the load can be moved across the jib arm if necessary and then the arm swung to its required position.

We have looked at what a jib is and how they are normally used, so now lets discuss the benefits and where they may be used.

There are numerous places where a Jib crane may be utilised, they are frequently noticed in big warehouses and dockyards to assist in loading and unloading ships and pallets etc. They are used in many manufacturing factories for lifting and manoeuvering large equipment and also for repair work and servicing. Certain big trucks and lorries have small jib type cranes on the rear to aid unloading. A jib crane takes up minimal or no floor space so therefore are suitable for areas where space is at a premium, they will need good head room though, so that they can rotate freely, by choosing an underbraced jib arm you will obtain extra room above, and if you decide on an overbraced jib you will get more room below the jib arm.

There are many advantages to using a Jib crane, in all probability the most helpful is that they permit heavy objects to be moved speedily and safely and therefore prevents any uncalled-for stress and strain on the human skeleton so minimal possibility of injuries and the expenses connected with them. A Jib crane may also include a mechanised jib arm, allowing movement at the touch of a button rather than manually rotating the arm about as is standard. The jib arm may well also be articulated to supply much more reach to problematic places. The Jib arm may furthermore be moved out of the way when needed so is in addition a space saving piece of lifting gear.

In conclusion, a jib crane is a robust, versatile and cost effective method of lifting and moving your loads in the majority of locations.

by: Nikki Dale

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