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Elevators > Elevators 101 > Flashcards

Elevators 101 Flashcards

1
Q

Types of hydraulic elevators

A

-holed
-hole-less
-roped hole-less
-telescopic hole-less

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2
Q

What is a traction elevator

A

Elevator that is pulled from above by wire hoist ropes (suspension ropes)

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3
Q

Basic elevator components

A

-car
-hoist way
-machine/drive system
-control system
-safety systems

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4
Q

What are coated steel belts

A

-high tensile strength steel wires with tough polyurethane coating
-coating reduces noise & vibration
-no lubrication needed

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5
Q

Door safety equipment

A

-Infrared safety curtain (IR safety edge)
-electronic photo eyes
-mechanical edges

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6
Q

Elevator pit entries

A

-Walk-in pit (pit door)
-climb-in pit (pit ladder)

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7
Q

4 main components for PM

A

-Motor room
-hoist way
-car
-pit

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8
Q

Main components of a hydraulic elevator

A

-oil tank
-piping
-plunger
-jacket
-pump
-valve

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9
Q

What are “terminal landings”

A

First and last landings of an elevator

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10
Q

Hydraulic machine room location

A

Adjacent to the lowest landing hatch door

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11
Q

2 styles of elevators

A

Push(hydraulic)
Pull(traction)

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12
Q

When was the first fully integrated microcomputer system

A

1979

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13
Q

When was the first elevator operated without an attendant

A

1950

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14
Q

When was the first hydraulic passenger elevator

A

1878

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15
Q

Elisha Graves Otis

A

In 1852 he created the safety brake

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16
Q

What’s the difference between geared and gearless traction

A

Geared-motor drives gear assembly which rotates drive sheave
Gearless-motor directly rotates drive sheave

17
Q

Types of traction elevators

A

Geared traction and gearless traction

18
Q

What are the 2 places a motor room can be located for a traction elevator

A

Directly over the shaft(overhead motor room)
Directly under the shaft(basement motor room)

19
Q

How many volts are running through the main line disconnect

A

360 volts

20
Q

Hydraulic elevator

A

-car pushed from below by piston
-operating system positioned below elevator and adjacent to the lowest landing
-low and medium rise buildings

21
Q

What is ADA

A

American Disabilities Act

22
Q

What is a Landing

A

A floor that the elevator provides service to

23
Q

Kick off blocks

A

Prevent the door from being kicked off

24
Q

Strike Jamb

A

The Wall the door closes too

25
Q

Three things Swing Door Interlock does?

A

-Locks Keeper
-Communicates with controller that the hatch door is locked
-Communicates with the controller the hatch door is closed

Elevators (9 decks)

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