Elevator And escalator emergencies

Question 1

Brake
p. iv

Answer 1

A break 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

Question 2

Buffer
p. iv

Answer 2

Stops a descending car or counterweight from moving beyond its normal limit by storing or absorbing and dissipating the car or counter weights kinetic energy. When a normal or final termination stopping device fails, the car will stop on a it. They are either oil or spring type.

Question 3

Car operation station
p. v

Answer 3

A panel mounted inside the car containing the car operating controls.

Question 4

Compensation chain p.v

Answer 4

This chain balances an elevator car’s load. The hollow, black flexible tube’s are filled with solid metal balls and are connected to the elevator car and the counterweights. The weight of these cables balances the elevator car’s load.