Classification of elevators

n According to the purpose of the passenger elevator: has a perfect safety design, only used to carry passengers.
· Passenger and freight elevators (service ladders): The car decoration is different from the passenger elevators and can be used for passengers and cargo.
· Cargo elevators (cargo elevators): There are necessary safety devices, mainly for loading goods.
· Residential Elevator: The car is simple to decorate and is usually used in a one-way house.
· Hospital bed elevator: The car is long and narrow, mainly used for carrying beds and patients.
·Miscellaneous elevators: There are no necessary safety devices for passengers, and small passenger elevators are never allowed.
· Sightseeing elevator: The passenger car is transparent and convenient for passengers to see the elevator on the exterior.
· Other special elevators: car ladders, ship ladders, mining ladders, construction ladders, explosion-proof elevators, etc.
n according to the speed of operation:
· Low speed ladder: V≤1.0m/s
·Speed ladder: 1.0m / s <V <2.0m / s (10 layers or more)
·High speed ladder: 2.0m/s≤V<3.0m/s (16 layers or more)
·Super high speed ladder: V≥3.0m/s ~ 10.0m/s
·Test ladder>10m/s
Industry term: n lower layer: below 20 layers
Middle: 21-40 layers
High floor: 41-60 floors
Super high-rise: >60 floors
n assumed layer spacing = 2.8 m