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DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

DOE-STD-1090-96, DOE Standard Hoisting and Rigging Manual ...

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BRAKING, REGENERATIVE: A form ofdynamic braking in which the electrical energygenerated is fed back into the power system.BREAKING STRENGTH: The measured loadrequired to break a wire rope or chain.BRIDGE: The part of a crane. consisting ofgirders, walkways, railings, trucks. <strong>and</strong> drivemechanisms, that carries the trolley or trolleys.BRIDGE TRAVEL: Horizontal travel ofthecrane parallel with runway rails.<strong>DOE</strong>-<strong>STD</strong>-I090-<strong>96</strong> (Rev-I)BRIDLE SLING: A sling composed ofmultiplelegs (branches), the top ends·of which terminate ina fitting that latches onto the lifting hook.BULL RING: The main large ring ofa sling towhich sling legs are attached.BUMPER (BUFFER): An energy-absorbingdevice for reducing impact when a movingoverhead crane or trolley reaches the end ofitspermitted travel, or when two moving cranes ortrolleys come into contact.Figure 1-1. Cantilever trUCk,counterbalanced truck, forklift trUCk,high-lift trUCk, rider truck.CHOKER ROPE: A short wire-rope sling usedto form a slip noose around the object to be movedor lifted (see Figure 1-2).CAB: The operator's compartment.CABLE: A term loosely applied to wire ropes.wire str<strong>and</strong>s, manila ropes. <strong>and</strong> electricalconductors.CABLE-LAID WIRE ROPE: A type ofwirerope consisting ofseveral independent wire ropeslaid into a single wire rope.CABLE CROWD ROPE: A wire rope used toforce the bucket ofa power shovel into thematerial being h<strong>and</strong>led.CANTILEVER TRUCK: A self-loadingcounterbalanced or noncounterbalanced truckequipped with cantilever load-engaging means.such as forks (see Figure 1-1).CARRIAGE: A support structure for forks orattachments. generally roller-mounted, travelingvertically within the mast of a cantilever truck.CENTER: A single wire or fiber in the center ofa str<strong>and</strong> around which the wires are laid.CENTER CONTROL: The position near thecenter of a truck cab from which the operatorcontrols movement ofthe truck.Sliding choker hookFigure 1-2. Choker rope.CIRCUMFERENCE: Measured perimeter of acircle circumscribing the wires of a str<strong>and</strong> or thestr<strong>and</strong>s of a wire rope.CLAMP, STRAND: A fitting used to form aloop at the end ofa length ofstr<strong>and</strong>; consists oftwo grooved plates <strong>and</strong> bolts.CLEARANCE: The distance by which oneobject clears another, or the clear space betweenthem.CLEVIS: A V-shaped fitting with pins.CLIP: A fitting used to clamp two parts of wirerope.CLOSED SOCKET: A wire-rope fittingconsisting ofan integral becket <strong>and</strong> bail.Chapter 1Terminology <strong>and</strong> Definitions 1-2

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