Comparison Research on Two Luffing Mechanisms of Lemniscate Type Crane

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Abstract:

Lemniscate type crane is used for water transhipment operation. There are great differences in outward appearance, geometric shape, luffing performance between lemniscate type crane and normal double-link type crane. Lemniscate type crane has some advantages, i.e. lower centre of weight, practical and reasonable structure, strongly anti-wind, upwarp of flying jib invariably and easy operation. Luffing mechanism of lemniscate type crane has two driving methods, one is boom driving, another back-rocker driving. Based on comparison research, the equations of kinematics of two luffing mechanisms are obtained. Luffing characters of lemniscate type crane are more better.

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146-149

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November 2012

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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