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ELECTRONIC / ROPED LIFT - Coggle Diagram
ELECTRONIC / ROPED LIFT
MULTI-BEAM DOOR SENSOR
- doors reverse and open if beams are blocked during door closing.
- Prevents passengers from being caught by the doors, using multiple infrared light beams mounted along the entire length of car door edge.
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PIT
- For slower lifts - spring-type buffers.
- For higher speed lifts - oil loaded buffers.
- Located below the lowest landing evel, containing buffers.
- Depth of pit varies from 1.4 to 2.8m, depending on lift specification
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BRAKE
- when the lift is moving, the electrically operated braked are lifted clear of the brake drum,
- but as the electricity switches off to disengage the motor spring retainers activate the brake.
- The reaction sheave drive shaft is fitted with an electromechanical brake
- provides another safety feature which would activate if electricity supply failed.