Abstract： ASME B30.22:2016 pdf download.Articulating Boom Cranes. electrically insulated: a material property that is related to the material’s ability to resist conduction of electricity. fiance point: a point of contact between rope and drum flan...

ASME B30.22:2016 pdf download.Articulating Boom Cranes.

electrically insulated: a material property that is related to the material’s ability to resist conduction of electricity. fiance point: a point of contact between rope and drum flange where the rope changes layers.

inner boom: the structural member, attached to the mast, which supports the outer boom(s).

inner boom lift cilinder: the hydraulic cylinder that lifts the inner boom.

inner boom pizt: the horizontal pin about which the inner boom is raised or lowered relative to the mast.

jib (fly jib): an articulating or fixed boom assembly with or without extendable boom sections that attaches to the outer boom.

load, working: the external load in pounds (kilograms) applied to the crane, including the weight of load- attaching equipment such as slings, pallet forks, and grapples.

load block, lower: the assembly of hook or shackle, swivel, sheaves, pins, and frame suspended by the hoisting rope.

load block, upper: the assembly of shackle, swivel, sheaves, pins, and frame suspended from the boom point. load hoist mechanism:

a hoist drum or rope reeving system used for Lifting and lowering loads.

load lrook: a structural component that pins to the outer boom, jib boom, extensions, or the load line and is used for attaching

loads to the crane.

load indicator: a device that measures the weight of the load.

load radius: the horizontal distance from the centerline of rotation to the centerline of the hook pin at any boom position.

load ratings: ratings in pounds (kilograms) established by the manufacturer.

mainframe (base): the stationary base of the crane that supports the mast or turntable.

mast: a frame for use in connection with supporting a boom from mainframe or base.

minimum breaking force: the minimum load at which a new and unused wire rope will break when loaded to destruction in direct

tension.

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