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Elevator System: The Basic
lift, elevator (Am.)
a mechanical
installation for lifting
of passengers or
goods from one level
or storey in a
building to another.
Class Instructor :
RINO D.A. FERNANDEZ
Elevator System: The Basic Elevator System: The Basic
Electric Traction
Elevators are classified on the basis of driving
methods
• Electric Traction
- driven by electric motor
• Hydraulic Traction
- driven by oil-power
Elevator System: The Basic Elevator System: The Basic
Hydraulic Traction
In 1853, American inventor
Elisha Otis demonstrated a
freight elevator equipped
with a safety device to
prevent falling in case a
supporting cable should
break
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Elevator System: The Basic Elevator System: The Basic
In 1854 Otis dramatized his safety Elisha Otis didn't actually invent the elevator, he
device on the floor of the Crystal invented the brake used in modern elevators.
Palace Exposition in New York. With
a large audience on hand, the
Elisha Otis was inspired to design what was then
inventor ascended in an elevator
called the "safety elevator".
cradled in an open-sided shaft.
Halfway up, he had the hoisting
cable cut with an axe. The platform
held fast and the elevator industry
was on its way.
Geared Traction
Machine
Electric Elevator
Typical Gear-less Typical Geared
Machine Machine
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Geared Machine
for MRL
Car Buffer
Car Buffer
Counterweight
Counterweight
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Elevator Car
Elevator Car
Hydraulic Elevator
Hydraulic Jack Arrangements Hydraulic Jack Arrangements
Single, Central Single side-acting Single side-acting Twin side-acting Twin side-acting
(direct) (indirect) (direct) (indirect)
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Elevator System: Elevator System:
Elevator System:
Escalator System: Escalator System:
ESCALATOR
moving staircase, moving stairway; a motorized Preferred transportation
staircase used as a means of automated vertical systems whenever heavy
circulation, in which treads fixed to a circulating traffic volumes are
belt move up or down in the plane of the stair. expected between floors
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Escalator System: Escalator System:
Basic Application: Basic Application:
- Commercial - Commercial
Malls Malls
Shopping Centers Shopping Centers
Offices Offices
Casinos Casinos
Escalator System: Escalator System:
Basic Application: Others:
- Transportation - Hotels
- Sports Centers
Airports - Connecting Bldgs
Railway Terminals
Mass Transit
Escalator System: Escalator System:
Application: Straight Escalator:
- Indoor
- Outdoor
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Escalator System:
Spiral Escalator:
Escalator System: Escalator System:
Escalator is basically an endless circulating belt
Escalator System:
Design Standard:
- Operating Speed: 90 ft/min 2000 - 4000 persons/hr
120 ft/min 5000 - 8000 persons/hr
- Width: 32” (0.82 meters)
48” (1.21 meters)
- Slope: 30° (United States)
30° and 35° (other countries)
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Escalator System: Escalator System:
Basic Configurations: Basic Configurations:
- Parallel - Cross-over
Escalator System: Escalator System:
Basic Configurations:
Basic Design Principles:
- Walk Round
- to minimize the movements of people
- to minimize the movements of goods
- to prevent clashes b/w people & goods
- to prevent bottleneck
Travelators System: Travelators System:
The Travelators or moving walkways are identical
to Escalators, except their surface along the
travel are smooth from end to end. They can be
inclined and horizontal during the travel
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Travelators System: