Quick-Release Hooks (QRH) are particular accessories for connecting chains or metal ropes, that can be remotely unfastened under full-load conditions via application of an external force with limited magnitude. Despite their widespread use, and aside from a number of patents, the scientific literature related to QRH performance is rather limited. This paper reports about the modelling of a class of QRH, which relies on the use of a four-bar linkage mechanism operating in the proximity of a singularity configuration. Design graphs depicting the main functional parameters are reported. At last, a multibody model of the system is developed, which validates the analytical results while providing an insight of the frictional forces effect on the device modelling and performance.
CITATION STYLE
Bruzzone, L., Bonatti, D., Berselli, G., & Fanghella, P. (2017). Analytical and multibody modelling of a quick-release hook mechanism. In Mechanisms and Machine Science (Vol. 47, pp. 523–531). Kluwer Academic Publishers. https://doi.org/10.1007/978-3-319-48375-7_56
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