Rigging can include lifting, sliding or rolling large objects from point A to point B. Rigging teams design the rig to use the correct method to move specific objects. Riggers are very specialized and know exactly how to design the correct rigging plans for each scenario. The term Rigger originated from sailing where they must rig ropes in order to hoist sails.
Types of Rigging Tools
Rigging can get very complex depending on the objects that need to be moved, different circumstances need different rigging hardware.
Shackles
Heavy loads might require the use of shackles, there are a few different types of shackles, screw pins, safety anchor pins or safety chain shackle.
Blocks and Pulleys
The use of blocks and pulleys alleviates the weight making it easier to maneuver heavy objects. You have a few varieties of blocks like the tilt-up block or the logging block but the most used is the snatch block. Typically wire rope will be used alongside blocks.
Rigging Hooks
Slipping is a big risk when moving heavy objects, using rigging hooks can eliminate the potential of the lifted object slipping. Hooks are selected depending on the weight of the object being moved.
Wire Ropes
Wire ropes are created weaving together multiple strings of stainless steel or carbon steel wire. This makes the wire rope strong enough to carry extremely heavy objects. Wire ropes used on cranes have to be top quality to avoid the wires from snapping.
Synthetic Slings
Endless eye-and-eye slings are used together with wire ropes used to move delicate objects that might be damaged by metal slings made of rougher materials.
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