Vibration characteristic analysis for tagline type of anti-swing device of marine crane

AN Lin, WANG Shenghai, SUN Zewen, HAN Guangdong, ZHANG Yufei, CHEN Haiquan, SUN YuQing

doi:10.16411/j.cnki.issn1006-7736.2024.01.010

Journal of Dalian Maritime University >

2024 , Vol. 50 >Issue 1: 85 - 93

DOI: https://doi.org/10.16411/j.cnki.issn1006-7736.2024.01.010

Vibration characteristic analysis for tagline type of anti-swing device of marine crane

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(Marine engineering College, Dalian Maritime University, Dalian 116026, China)

Received date: 2023-07-24

Revised date: 2023-09-06

Accepted date: 2023-09-06

Online published: 2023-09-06

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Abstract

Tagline type of anti-swing device of marine crane is a new type of crane load reduction equipment. By controlling three traction cables, the energy of the swing of the load is consumed and the swing of the load is reduced. However, it is found in the real ship test that the traction cable is easy to produce vibration when working, which leads to the decrease of anti-roll effect, and reduces the stability and safety of the system.In this paper, based on catenary theory and chord vibration principle, the vibration model of traction cable is established, and the simulation analysis is carried out with Matlab. The vibration of the traction cable in practice is simulated by Adams, and the correctness of the model is verified by comparison.The results show that the hysteresis of the hydraulic system will lead to the vibration of the traction cable. When the response time of the hydraulic system is reduced from 1s to 0.1s, the amplitude of the traction cable is reduced by 90%. In addition, the unit mass and length of the traction cable, whether to install a damper and other factors will have an impact on the vibration, adding a damper can reduce the amplitude of the traction cable in 4s by 97%. The research results of this paper have certain guiding significance for the application of tagline type of anti-swing device of marine crane.

Key words： marine crane; anti-rolling device; traction cable; vibration model; ADAMS

Cite this article

AN Lin, WANG Shenghai, SUN Zewen, HAN Guangdong, ZHANG Yufei, CHEN Haiquan, SUN YuQing . Vibration characteristic analysis for tagline type of anti-swing device of marine crane[J]. Journal of Dalian Maritime University, 2024 , 50(1) : 85 -93 . DOI: 10.16411/j.cnki.issn1006-7736.2024.01.010

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