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Elevator project

A simple, 2-levels elevator based off an inexpensive commercial workshop winch.

Requirements

  • Allows to travel between 2 levels approximately 2.7m apart vertically
  • Approx. 110x70cm platform
  • Platform is flush with the floor at ground level and upper level
  • Upper level is secured with a gate that automatically locks when not being at the top
  • Gate safety may be disengaged using a key
  • Anti-pinch up-going safety mechanism
  • Anti-crush down-going mechanism
  • Call/send/stop controls on both levels and on platform (may be disconnected on platform to convert it back to a utility lift for public compliance)
  • E-stops on both levels
  • On/Off controls on both levels
  • Ground level controls above 1.2m high
  • Global key-based On/Off control at ground level

Workflows

When going up is requested

  • Go up
  • Stop if anti-pinch up-going safety is triggered
  • Stop if going down is requested
  • Stop if stop is requested
  • Stop when reaching the top level
  • Unlock gate when reaching the top level

When going down is requested

  • Try to lock gate if not disengaged and unlocked
    • Signal if unsuccessful
  • Go down
  • Stop if anti-crush down-going safety is triggered
  • Stop if going up is requested
  • Stop if stop is requested
  • Stop when reaching the ground level

When gate safety is engaged

  • Try to lock gate if not at top level

When gate safety is disengaged

  • Unlock gate
projects/elevator/home.txt · Last modified: 2025/11/13 15:21 by yent