Elevators 101 Flashcards
Types of hydraulic elevators
-holed
-hole-less
-roped hole-less
-telescopic hole-less
What is a traction elevator
Elevator that is pulled from above by wire hoist ropes (suspension ropes)
Basic elevator components
-car
-hoist way
-machine/drive system
-control system
-safety systems
What are coated steel belts
-high tensile strength steel wires with tough polyurethane coating
-coating reduces noise & vibration
-no lubrication needed
Door safety equipment
-Infrared safety curtain (IR safety edge)
-electronic photo eyes
-mechanical edges
Elevator pit entries
-Walk-in pit (pit door)
-climb-in pit (pit ladder)
4 main components for PM
-Motor room
-hoist way
-car
-pit
Main components of a hydraulic elevator
-oil tank
-piping
-plunger
-jacket
-pump
-valve
What are “terminal landings”
First and last landings of an elevator
Hydraulic machine room location
Adjacent to the lowest landing hatch door
2 styles of elevators
Push(hydraulic)
Pull(traction)
When was the first fully integrated microcomputer system
1979
When was the first elevator operated without an attendant
1950
When was the first hydraulic passenger elevator
1878
Elisha Graves Otis
In 1852 he created the safety brake
What’s the difference between geared and gearless traction
Geared-motor drives gear assembly which rotates drive sheave
Gearless-motor directly rotates drive sheave
Types of traction elevators
Geared traction and gearless traction
What are the 2 places a motor room can be located for a traction elevator
Directly over the shaft(overhead motor room)
Directly under the shaft(basement motor room)
How many volts are running through the main line disconnect
360 volts
Hydraulic elevator
-car pushed from below by piston
-operating system positioned below elevator and adjacent to the lowest landing
-low and medium rise buildings
What is ADA
American Disabilities Act
What is a Landing
A floor that the elevator provides service to
Kick off blocks
Prevent the door from being kicked off
Strike Jamb
The Wall the door closes too
