Keywords:Overspeed, Car, Safety gear, Ooverspeed governor, Rope brake
The major part of the design and specification of equipment for the arrest or prevention of overspeed, particularly the safety gear/overspeed governor combination, concerns itself with the performance when carrying rated load, or, in the event of upward overspeed, zero load in the car. In particular, specification is concerned with performance of safety equipment in the face of suspension failure, however unlikely that might be. This paper sets out to investigate the performance of overspeed protection when there is a partial load in the car, whether with a failed suspension or not, and to discuss the opportunities in this respect provided by the introduction of the so-called rope brake.
L Al-Sharif: The Lift Directive and the Rope Brake. Research Gate (May 1996)
British Standards Institution, Safety rules for the construction and installation of lifts — Lifts for the transport of persons and goods Part 20: Passenger and goods passenger lifts. BS EN 81-20:2020
Directive 95/16/EC amended by Directive 2006/42/EC
Government of Canada, Peace Tower: History and design, https://www.tpsgc-pwgsc.gc.ca/citeparlementaire-parliamentaryprecinct/decouvrez-discover/paix-peace-eng.html (Accessed 21 October 2023)
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