基于ADAMS的五轮起网机仿真分析
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摘要
针对中小型渔船起网工作效率低、安全生产事故频发等问题,研制了五轮起网机。为确定该机的最佳工作参数、探究五轮起网机的工作性能,介绍分析了该起网机的工作原理和摩擦鼓轮的受力情况并建立其载荷的数学模型,确定了摩擦鼓轮与网纲间摩擦力及摩擦矩的计算方法;利用Pro/E的变量化设计和实体造型技术,建立了该机的三维实体模型,实现了整机各组成部分的建模及装配,并通过干涉分析验证了机构设计的合理性;然后利用无缝接口软件Mechanism/pro将整机三维模型映射入ADAMS环境中进行动力学仿真分析。通过对不同马达转速、摩擦鼓轮与网纲间摩擦系数以及网纲与摩擦鼓轮的包角分析,确定该机最佳工作参数为:马达转速110 r/min,起网速度25 m/min,摩擦鼓轮摩擦系数0.4,网纲与船舷的夹角小于70°。利用Adams/Vibration模块对该机进行振动特性分析,搞清了振动较大的频率范围为30~40 Hz。所得结论为提高该机工作性能及参数优化提供了依据。
In order to solve the problems of low work efficiency and frequent accidents of production safety forsmall-and medium-sizefishing vessels,a five wheels-net hauler was developed.In order to confirm optimumworking parameters and working performance of five wheels-net hauler,working principle and force load offriction hub wheel were introduced and analyzed and the mathematical model was determined.The friction andfrictional torque between the friction hub wheel and bush rope were ascertained. By applying variational designand solid modelling technology of Pro/E, the three-dimensional mode of five wheels-net hauler wasestablished,which achieved the modelling and assembling of various components of entire hauler body. Therationality of mechanism design is verified by interference analysis.Then,the 3D model of the whole body wasmapped into the ADAMS environment by using the software Mechanism/pro for dynamic simulation analysis.Based on the analysis of speeds of different motors,friction coefficient and wrapping angle between friction hubwheel and bush rope,the optimal working parameters of the machine were determined: 110 r/min for motorspeed,25 m/min for hauling speed,0.4 for friction coefficient of friction hub wheel,less than 70° for the anglebetween bush rope and shipboard.All parameters meet the specification and stable performance.The best workparameter for the five wheels-net hauler is Using Adams/VibrationVibration module to analyze the vibrationcharacteristic of five wheels-net hauler, the frequency range for strong vibration was 30-40 Hz. Theseconclusions obtained has laid the foundations for improving working performances and parameters optimizationof five wheels-net hauler.
In order to solve the problems of low work efficiency and frequent accidents of production safety forsmall-and medium-sizefishing vessels,a five wheels-net hauler was developed.In order to confirm optimumworking parameters and working performance of five wheels-net hauler,working principle and force load offriction hub wheel were introduced and analyzed and the mathematical model was determined.The friction andfrictional torque between the friction hub wheel and bush rope were ascertained. By applying variational designand solid modelling technology of Pro/E, the three-dimensional mode of five wheels-net hauler wasestablished,which achieved the modelling and assembling of various components of entire hauler body. Therationality of mechanism design is verified by interference analysis.Then,the 3D model of the whole body wasmapped into the ADAMS environment by using the software Mechanism/pro for dynamic simulation analysis.Based on the analysis of speeds of different motors,friction coefficient and wrapping angle between friction hubwheel and bush rope,the optimal working parameters of the machine were determined: 110 r/min for motorspeed,25 m/min for hauling speed,0.4 for friction coefficient of friction hub wheel,less than 70° for the anglebetween bush rope and shipboard.All parameters meet the specification and stable performance.The best workparameter for the five wheels-net hauler is Using Adams/VibrationVibration module to analyze the vibrationcharacteristic of five wheels-net hauler, the frequency range for strong vibration was 30-40 Hz. Theseconclusions obtained has laid the foundations for improving working performances and parameters optimizationof five wheels-net hauler.
引文
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[22]付杰,熊世树,纪晗,等.多自由度结构的拟负刚度阻尼器减振效果分析[J].华中科技大学学报(自然科学版),2014(2):46-50.
[2]王传荣.我国海洋渔业装备亟待升级[J].中国船检,2012(10):57-59.
[3]刘世禄,冯小花,陈辉.关于加快发展我国远洋渔业的战略思考[J].渔业现代化,2014,41(4):63-67.
[4]门涛.渔业捕捞机械标准现状与发展方向[J].现代农业科技,2010(17):251-253.
[5]黄一心,徐皓,刘晃,等.我国渔业装备科技发展研究[J].渔业现代化,2015,42(4):68-74.
[6]贺波.世界渔业捕捞装备技术现状及发展趋势[J].中国水产,2012(5):43-45.
[7]岳冬冬,王鲁民,张勋,等.我国海洋捕捞装备与技术发展趋势研究[J].中国农业科技导报,2013(6):20-26.
[8]农业部渔业政管理局.中国渔业统计年鉴[M].北京:中国农业出版社,2016:87-88.
[9]胡庆松,王曼,陈雷雷,等.我国远洋渔船现状及发展策略[J].渔业现代化,2016,43(4):76-80.
[10]马登云,熊彪,方凡涛,等.基于RecurDyn V带传动的仿真与分析[J].机械传动,2014(9):118-122.
[11]李小泉.基于有限元的发动机皮带轮受力分析[J].汽车零部件,2015(6):74-78.
[12]江涛,徐中伟,王志勇,等.渔船舷侧滚筒绞拉力特性试验[J].渔业现代化,2012,39(3):59-65.
[13]芮执元,程林章.基于Pro/E与ADAMS结合的虚拟样机动态仿真[J].现代制造工程,2005(1):56-58.
[14]罗锦华,章程,赵成宏.基于Pro/E和ADAMS的动力学联合仿真研究[J].船电技术,2011,31(9):69-71.
[15]李美琴,何涛.Pro/E和ADAMS之间模型传递的常见问题[J].机械工程师,2010(5):77-78.
[16]李晓豁,何洋,李婷,等.纵轴式掘进机横向和纵向随机振动响应的分析[J].煤炭学报,2013,39(3):580-585.
[17]吴小平.基于切片理论的波浪载荷直接计算[J].船舶与海洋工程,2010(4):21-25.
[18]刘平,徐志强,焦耳.基于ANSYS/WorkBench的围网理网机优化设计[J].渔业现代化,2015,42(4):48-51.
[19]郝双双,李阳星,刘训涛.基于ADAMS的带式输送机实体仿真模型建立方法[J].煤矿机械,2008,29(2):178-180.
[20]贺金虎,廉自生.基于ADAMS的带式输送机输送带动特性仿真分析[J].制造业自动化,2014(7):91-93.
[21]赵晶晶,周燕,时振刚,等.电磁轴承刚度阻尼自动测试[J].机械工程学报,2010,46(20):48-52.
[22]付杰,熊世树,纪晗,等.多自由度结构的拟负刚度阻尼器减振效果分析[J].华中科技大学学报(自然科学版),2014(2):46-50.