高海况打捞吊机波浪补偿系统
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摘要
针对高海况条件下打捞漂浮物功能要求,为了降低船舶横摇对打捞效果的影响,基于船用吊机变幅油缸和蓄能器设计了吊机打捞波浪补偿系统,并对波浪补偿原理及过程进行了分析.该补偿系统以吊臂相对船舶位置为控制对象,通过电液控制变幅油缸位移来减小吊臂随船横向摇摆幅度.对该波浪补偿系统进行了海上实验,在船舶平均横摇角度7.8°时,打捞吊机变幅油缸补偿角度平均为6.5°,有效降低了吊臂受波浪作用摇摆幅度,保持了打捞吊机作业稳定性.
In order to reduce the effect of the ship rolling when salvage floatation under high sea condition,the salvage wave compensation system is designed based on the marine crane derricking cylinder and accumulator,and the principle and process of the wave compensation are analyzed.The compensation system take the position of hoist arm relative to the ship as the control object,and the rolling of the hoist arm is reduced by electro-hydraulic control the displacement of the derricking cylinder.The sea test of the wave compensation system is carried out.When the average rolling angle of the ship was 7.8°,the average compensation angle of the crane derricking cylinder was 6.5°.Which effectively reduces the rolling of the hoist arm and keeps the stability of the salvage crane operation.
In order to reduce the effect of the ship rolling when salvage floatation under high sea condition,the salvage wave compensation system is designed based on the marine crane derricking cylinder and accumulator,and the principle and process of the wave compensation are analyzed.The compensation system take the position of hoist arm relative to the ship as the control object,and the rolling of the hoist arm is reduced by electro-hydraulic control the displacement of the derricking cylinder.The sea test of the wave compensation system is carried out.When the average rolling angle of the ship was 7.8°,the average compensation angle of the crane derricking cylinder was 6.5°.Which effectively reduces the rolling of the hoist arm and keeps the stability of the salvage crane operation.
引文
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[2]平建涛,李海明,宋立忠.船用起重机波浪补偿控制技术研究[J].计算技术与自动化,2009,28(4):42-44.PING J T,LI H M,SONG L Z.Research of control technologies of heave compensation in ship crane[J].Computing Technology and Automation,2009,28(4):42-44.
[3]刘祥勇,李万莉.相似理论在高海况打捞浮吊中的应用[J].流体传动与控制,2017(5):33-38.LIU X Y,LI W L.Application of similar theory in design of salvage floating crane under high sea condition[J].Fluid Power Transmission&Control,2017(5):33-38.
[4]齐金龙,金瑞健,彭小佳,等.船用起重机液压缸式主动波浪升降补偿装置研究[J].中国造船,2010,51(增刊2):412-417.QI J L,JIN R J,PENG X J,et al.Research on cylinder-type active heave compensation device of marine crane[J].Shipbuilding of China,2010,51(Suppl.2):412-417.
[5]王悦民,童民慧.超大型浮吊重载打捞波浪补偿系统的关键技术[J].中国工程机械学报,2009(3):362-366.WANG Y M,TONG M H.Vital technologies on heavy-loading salvage for wave compensation system of ultra-large floating cranes[J].Sponsored by China Construction Machinery,2009(3):362-366.
[6]谌志新,周彤,徐皓,等.飞船返回舱高海况打捞设备电液控制系统[J].渔业现代化,2007,34(6):55-59.CHEN Z X,ZHOU T,XU H,et al.Electric hydraulic integration controlling system for salvage equipment of aircraft returning cabin in-terrible ocean environments[J].Fishery Modernization,2007,34(6):55-59.
[7]罗朝霞,白云新,蔡长江,等.波浪补偿在船用起重机液压系统中的设计研究[J].液压气动与密封,2018,38(3):57-60.LUO C X,BAI Y X,CAI C J,et al.Research on hydraulic system design of wave compensation crane[J].Hydraulics Pneumatics&Seals,2018,38(3):57-60.
[8]王孝霖,顾含,许历,等.波浪补偿起重机液压系统设计与分析[J].船舶标准化工程师,2015,48(4):63-66.WANG X L,GU H,XU L,et al.Design and analysis of hydraulic system of wave compensation crane[J].Ship Standardization Engineer,2015,48(4):63-66.
[9]孙虹,杨清璞.电液比例控制在波浪补偿起重机中的应用[J].液压与气动,2001(7):18-19.SUN H,YANG Q P.The application of electro-hydraulic proportional control in the wave-compensation crane[J].Chinese Hydraulics&Pneumatics,2001(7):18-19.