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Elevator hoist systems
Building type can also influence your hoist system when designing an elevator. Understanding the terminology between various types of elevator hoist systems will help you determine which models or types of elevators may be the most appropriate for your building.
Common types of elevator hoist systems include:
Traction elevators
This type of elevator works using a pulley mechanism with steel ropes or belts and a counterweight to raise and lower the cabin. Traction elevators are generally divided into two categories: gearless and geared.
Gearless traction elevators are the more advanced option, featuring a wheel that is directly connected to the motor. They rely on counterweights to move the system efficiently. In contrast, geared traction elevators use a gearbox to rotate the hoisting sheave, which lifts the elevator, making them typically slower than gearless systems.
Overall, traction elevators are known for their energy efficiency, as well as their smooth and quiet operation. Today, most modern elevators use gearless traction technology, as it offers the best performance in terms of energy use and space efficiency.
Hydraulic elevators
This type of hoisting system is generally used in low-rise buildings, typically up to six floors, or for transporting very heavy loads. Hydraulic elevators operate by being pushed upward from below using pistons. They tend to consume more energy compared to other elevator types.
With the rise of machine-room-less elevators that use more efficient machines and drives, they have largely been phased out of the market.
The elevator machine room
With advancing technology, it is no longer mandatory to have an elevator machine room to house the machine and drive components.
