Elevator & Escalator Emergencies Flashcards
Is an electro-mechanical device used to prevent the elevator from moving when the car is at rest and no power is applied to the hoist motor
Brake
Stops a descending car or counterweight from moving beyond its normal limit
Buffer
A panel mounted inside the car containing the car operating controls
Car operation station
Balances an elevator car’s load
Compensation chain
A device or group of devices that control the direction, speed, and safety mechanisms on the elevator
Controller
Enclosed space outside the hoistway that is intended for full-body entry and contains the motor controller
Control room
Can be located inside or outside the hoistway
Control space
Set of weights roped directly to the elevator car in a winding drum installation
Counterweight
The counterweight equals approx ____% of the car’s weight
70
A motor-driven device mounted on the top of the car that opens and closes the car and hoistway doors
Door operator
Any type of mechanical lock designed to prevent a hoistway door from opening on the landing side
Door lock
The cylindrical keyhole on the hoistway door that elevator drop keys pass through to reach the hoistway door locking mechanism
Ecutcheon tube
Located in the elevator shaft to prevent the elevator from descending or ascending too low or too high in the shaft
Final limit switch
A small device typically located in the penthouse that applies a brake to the cable moving the electric car; it serves as a mechanical speed control mechanism
Governor
On top of an elevator car that when activated removes the car from normal service and allows the car to only be run from the car top station at inspection speed
Inspection station (inspection controls)
An electro-mechanical device on the hoistway door that locks the hoistway doors
Interlock
Refers to the area of the hoistway that extends from a point 18” below and 18” above the landing
Landing Zone
What are the four types of elevators
- Hydraulic
- Traction
- Climbing
- Pneumatic
What are the two types of elevators found in NOVA
Hydraulic & Traction