Abstract
This paper provides a simple and validated method to calculate for
resonant chain lengths analytically, which are leading to resonance
phenomena at single-fall chain hoists. So called polygon-effect-induced
oscillations cause additional dynamic loads at about 40%. They lead to
unsafe oparational conditions and reduce chain and chain hoists lifetime
dramatically. For the calculation stiffnesses and oscillating masses of
mounting devices (crane beams) and liftin
g gears are considered as well
as the dominating parameters chain stiffness and lifting mass. By
measurement validated simulation results of various chain hoist
configurations are regressed in a sizing calculation scheme that is solvable
by the simple use of a pocket calcul
ator or a convenient calculation
program. Furthermore a PC-Software-Tool is introduced to analyze this
problem comfortably.
resonant chain lengths analytically, which are leading to resonance
phenomena at single-fall chain hoists. So called polygon-effect-induced
oscillations cause additional dynamic loads at about 40%. They lead to
unsafe oparational conditions and reduce chain and chain hoists lifetime
dramatically. For the calculation stiffnesses and oscillating masses of
mounting devices (crane beams) and liftin
g gears are considered as well
as the dominating parameters chain stiffness and lifting mass. By
measurement validated simulation results of various chain hoist
configurations are regressed in a sizing calculation scheme that is solvable
by the simple use of a pocket calcul
ator or a convenient calculation
program. Furthermore a PC-Software-Tool is introduced to analyze this
problem comfortably.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of the XIX International Triennial Conference on Material Handling, Constructions and Logistics MHCL'09 |
| Place of Publication | Belgrad |
| Publisher | . |
| Pages | 79-84 |
| Volume | 19 |
| ISBN (Print) | 978-86-7083-672-3 |
| Publication status | Published - 2009 |
| Event | International Conference on Material Handling, Constructions and Logistics - Belgrad, Serbia Duration: 15 Oct 2009 → 16 Oct 2009 |
Conference
| Conference | International Conference on Material Handling, Constructions and Logistics |
|---|---|
| Country/Territory | Serbia |
| City | Belgrad |
| Period | 15/10/09 → 16/10/09 |
Keywords
- Chain Hoist
- polygon effect
- round link chain
Treatment code (Nähere Zuordnung)
- Theoretical