Elevator Wiki
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Screw drive elevators are a type of elevator. There is a threaded bar, attached to a motor, going the height of the elevator. There is also a threaded part attached to the elevator. When the motor spins, the elevator moves. This drive system is usually seen on wheelchair lifts.

Elevator 
Drive systems: Traction • Winding Drum • Hydraulic

Types of elevators: Double DeckDumbwaiterFireman'sFreightIncline • PassengerResidentialWheelchair lift


Concept: CapacityDestination dispatchHall call predictionElevator algorithm • Elevator control systemElevator machine room • Elevator maintenance • Elevator monitoring systemElevator modernizationACOP & UCMPMachine room less elevatorMajor alterationsRated speed


Elevator systems, controllers and equipments: Elevator emergency automatic rescue device • Elevator fixtures • Elevator keys • Elevator special modesElevator doorsDoor camDoor interlocks (Interlock wiring communication system) • Door restrictorElevator Inspection CertificateEmergency stop buttonFloor designatorsGate switch • Old Deadman controls • Overspeed governorMotor-generator set & Silicon-controlled rectifier (for DC-powered elevators) • Insulated-gate bipolar transistor (for AC-VVVF-powered elevators) • SelectorTape headRegenerative converter (for AC-VVVF-powered elevators)


See also: List of elevator fixtures guide • List of elevator and escalator companies • Elevator door sill guide (Non-proprietary elevator component door sill guide) • Floor numbering (Unlucky floor numbers) • Elevator incidents and accidents

Elevator drive systems
TractionM.R.L.Winding DrumHydraulic (Oildraulic)
Reference: hkelev - Elevator drive systems

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