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Rigging > Rigging > Flashcards

Rigging Flashcards

1
Q

Fiber Rope

A

Oldest rigging components, Manila strongest, has marking. Synthetic fiber more resistant and stronger, but can be damaged by sunlight. Constructed the same.

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2
Q

Wire Rope

A

Different types of steel, classified by number of strands in the rope and strand. Lay length is distance for one turn.

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3
Q

Chain

A

Weighs more, less ability to stretch so can’t turn tight corners

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4
Q

Eye Splice

A

loop that is formed by curling the end of the rope then splicing the loose end on the rope

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5
Q

Thimble

A

Metal insert placed inside loop to prevent kinking and deformation

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6
Q

Wire Rope Clip

A

Can hold 2 sections of rope together. u-bolt placed over the dead end.

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7
Q

Shackles

A

U-shaped fitting used to couple the end of a wire rope to eye fittings, or other connectors.

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8
Q

Sockets

A

Attach to end of a wire rope to attach other fittings, usually permanently.

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9
Q

Wedge Socket

A

wire passed through the socket, looped, then reinserted into the socket. Similar to shackles

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10
Q

Hook

A

Used to connect rope or chain to any type of fitting, eye, throat, shank

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11
Q

Bridle Hitch

A

has 2 or more legs, pear shaped ring for junction point.

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12
Q

Chocker Hitch

A

looping one end of the sling underneath the part then passing through the looping end.

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13
Q

Basket Hitch

A

pass through the part and back to the hook

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14
Q

Wire rope inspection

A

Kinking and crushing, broken wires, wear and corrosion, unraveling.

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15
Q

Chain inspection

A

measure length, stretching

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16
Q

Synthetic slings inspection

A

Broken fibers, Heat or chemical damage, excessive dirt, damaged end fittings, connectors and fittings

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17
Q

Hooks inspection

A

bent, throat, no safety latches, twisted

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18
Q

Shackle inspection

A

bends, cracks, incorrect pin, damaged shakle pin, thread damage, missing safety markings

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19
Q

Socket inspection

A

bends, cracks, loosening of socket, pins damaged, worn eyes

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20
Q

a-frame derrick

A

A-frame looks like an A, stays stationary,

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21
Q

Gin pole derrick

A

mainly used to raise and lower loads, single pole

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22
Q

Guy derrick

A

combination of a-frame and gin pole.

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23
Q

Stiffleg derrick

A

supported by 2 or more struts

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24
Q

Chicago boom derrick

A

mounted on side of a building or beam

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25
Q

Crawler crane

A

crane that looks like a tank

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26
Q

Truck-mounted crane

A

mobile because its a truck

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27
Q

Truck-mounted hydraulic crane

A

mobile crane with hydraulics

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28
Q

Gantry-mounted crane

A

mounted on top of a building and can move on rails

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29
Q

Tower-mounted crane

A

erected for beginning of job and left until job is complete.

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30
Q

Hammerhead crane

A

right angle crane mounted to the ground

31
Q

Rough-terrain crane

A

Mobile hydraulic cranes with oversized tires

32
Q

Carrydeck crane

A

vehicles for not so rough terrain

33
Q

Estimate size and weight of load

A

Measure with tape or compare to other object, for weight, compare with other object or calculate cu ft.

34
Q

Find load center of gravity

A

use a model, or usually in the center of load

35
Q

Rigging safety

A

Proper PPE, know hand signals, trained, prepare

36
Q

Planning a rigging job

A

Equipment capacity, equipment selection, equipment inspection, equipment setup, prelift checks,

37
Q

How to select proper equipment for rigging

A

capacity of equipment never exceeded, nothing used for something it’s not intended to be used on

38
Q

Parts of simple block and tackle

A

Support hook, Frame, Rope, Sheave, Load Line, Hauling Line, Load Hook

39
Q

Use of a simple block and tackle

A

Lift made by pulling down on the haul line to raise the load line.

40
Q

Efficiancy factor

A

efficiency factor equals weight of load divided by rigger’s lifting capacity, sheave equally distributes load

41
Q

Parts of compound block and tackle

A

Support Hook, Fixed Block, Sheaves, Becket, Moveable block, load hook

42
Q

Pre-use inspections of compound block and tackle

A

Weight of load, riggers lift capacity, mechanical advantage, where load moved, safety equipment, breaking strength of rope

43
Q

Reeving a block and tackle

A

sections of rope are threaded so that each part of the rope supports a portion of the load weight

44
Q

chain hoist

A

Uses set of gears to provide mechanical advantage to lift a load

45
Q

Come Along

A

uses a handle and rachet mechanism to move a load chain through a body to lift a load

46
Q

Ratchet Jack

A

Beam, hand lever, toe, load cap, lifts load from below using force from using handle

47
Q

Screw Jack

A

Screw turns to raise load

48
Q

Cribbing a jack

A

Strong timbers that are stacked in a criss-cross pattern under the load to rearrange the jack

49
Q

Blocking a jack

A

Stout boards placed to prevent jacks from sinking under the weight of the load

50
Q

Hydraulic Jack

A

Jack that raises or lowers using hydraulics

51
Q

Winch

A

device designed to lift and move a load using a wire rope or chain

52
Q

Effect sling angles have on capacity

A

the greater the angle, the lower the sling capacity gets

53
Q

Hitch pattern effects on sling capacity

A

too lazy to describe, wider angle or less sling participation equals less capacity

54
Q

Turnbuckle with sling length

A

can shift the loads center of gravity

55
Q

Load leveler balancing a load

A

gear that you can turn to move the chain sheave

56
Q

Shackle and inspection

A

horseshoe shaped with a pin that threads into the other end, check for wear, pin for straightness, no bends, threads

57
Q

Hooks and inspection

A

I know what a hook is, hook body bends or cracks, tight nut, spreaded throat, safety latch works

58
Q

Swivels and inspection

A

eye and/or hook and/or jaw, wear, cracks, or deformation, swivels turn, eye damage, bolt damage, or pin damage

59
Q

Turnbuckle and inspection

A

Used to make small adjustments to length, wear, cracks, or deformation, threaded rods for damage or bends, stripping

60
Q

Rigging links and equalizer plates and inspection

A

Block with a lot of holes to center load for lift, wear and cracks

61
Q

Lifting lugs and eyebolts and inspection

A

already connected to load, eyebolts screw into load, wear or cracks, bends and damaged threads

62
Q

Spreader beams and lifting beams and inspection

A

used on large bulky loads where slings can’t be used. Cracks, wear, bent, or twisted

63
Q

Tag Lines and inspection

A

rope handled by person to prevent spinning or swaying and guide load. wear and damage.

64
Q

Common types of bridge cranes

A

Cab-operated overhead, floor operated overhead, Gantry crane, Cantilever Gantry crane, semi-gantry crane

65
Q

Basic features of overhead cranes

A

bridge and trolley, controls

66
Q

Different types of boom cranes

A

Rough terrain crane, truck mounted hydraulic crane, truck-mounted crane, crawler crane, locomotive crane,

67
Q

Basic features of boom cranes

A

way of movement, crane parts, controller

68
Q

Basic inspection checks for overhead cranes and crawler cranes

A

Check cranes major components for wear, damage, and improper reeving

69
Q

How to read and interpret lifting capacity charts

A

Chart heading, lifting capacities, operating conditions, operating radius, boom point elevation, machine equipment, hoist reeving, loadline and whipline, maximum boom and jib lengths, jib lifting capacity

70
Q

load-balancing techniques with heavy lifting

A

spreader beams and lifting beams, sling location, lugs or eyebolts

71
Q

lifting personnel in basket with crane procedure

A

slow, can support 10 times the load, all brakes enabled when working, telescoping booms can show operator the extended length or accurate determination

72
Q

load limits and number of people allowed in basket

A

capable of supporting 5 times weight of load, no more than 4 people

73
Q

Crane personnel basket permit

A

must be approved, must be stated why they need to use the basket on the permit, can’t be used for convienience, only used to reduce accident potential

Rigging (1 decks)

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