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The existing boarding ladders for maritime operations, loading and unloading of passengers are with the problems of complicated structures, low level of automation and even safety problems. Aiming at solving the problems, this paper reseraches and develops a new type of hydraulic boarding ladder and models it by CATIA. The working principle and the luffing & rotary structure are introduced as well. Keywords-Hydraulic boarding ladder, Working principle, Modeling, Structure Optimization

Structure Optimization Based on 3d Modeling to a New Hydraulic Boarding Ladder