自升式海洋平台提升齿轮箱啮合特性分析
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摘要
为研究和改善自升式海洋平台提升齿轮箱的传动性能,在分析提升齿轮箱的结构和传动原理的基础上,采用MASTA建立分析模型,进行啮合特性分析;考虑重合度开展了提升齿轮箱宏观参数优化,分析了重合度对该齿轮箱啮合特性的变化规律。结果表明,正常提升和预压提升两种工况下,提升齿轮箱后3级各齿轮副的传递误差峰峰值偏大;优化后,各齿面最大接触应力小幅减小,各齿轮副的传递误差峰峰值总体减小,各齿轮副的啮合刚度均值总体增大,优化后提升齿轮箱的传动性能得到改善。
In order to investigate and improve the transmission characteristic of the promote gearbox used in jack-up offshore platforms,the structure and the transmission principle of the gearbox was analyzed.And then the mesh model based on MASTA was established to study the mesh characteristics of the gearbox.With the contact ratio taken into consideration,the macro geometry parameters for the transmission system was optimized and the effect of contact ration on the contact characteristics was analyzed.The results show that the p-p values of time varying transmission error of the last three stages gear pairs are too large in both normal jacking and pre-load jacking conditions before optimization;by comparison,both the maximum contact stress of the contact pair and the p-p value of time varying transmission error of each gear pair decrease after optimization,the mean value of mesh stiffness and the transmission capability of the gearbox are also improved.
In order to investigate and improve the transmission characteristic of the promote gearbox used in jack-up offshore platforms,the structure and the transmission principle of the gearbox was analyzed.And then the mesh model based on MASTA was established to study the mesh characteristics of the gearbox.With the contact ratio taken into consideration,the macro geometry parameters for the transmission system was optimized and the effect of contact ration on the contact characteristics was analyzed.The results show that the p-p values of time varying transmission error of the last three stages gear pairs are too large in both normal jacking and pre-load jacking conditions before optimization;by comparison,both the maximum contact stress of the contact pair and the p-p value of time varying transmission error of each gear pair decrease after optimization,the mean value of mesh stiffness and the transmission capability of the gearbox are also improved.
引文
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[13]许登科,曹科名,彭锐涛,等.海工平台提升齿轮箱传动比优化设计[J].中国海洋平台,2016,31(4):1-6.XU Dengke,CAO Keming,PENG Ruitao,et al.Optimal design of the transmission ratio lifting gearbox of offshore platform[J].China Offshore Platform,2016,31(4):1-6.(in Chinese)
[14]张氢,李冉,张小杰,等.自升式海洋平台抬升减速器的优化设计[J].机械传动,2015,39(2):51-54.ZHANG Qing,LI Ran,ZHANG Xiaojie,et al.Optimal design for the lifting gearbox of self-elevating offshore platform[J].Journal of Mechanical Transmission,2015,39(2):51-54.(in Chinese)
[2]Fuentes A,Ruiz-Orzaez R,Gonzalez-Perez I.Computerized design,simulation of meshing,and finite element analysis of two types of geometry of curvilinear cylindrical gears[J].Computer Methods in Applied Mechanics and Engineering,2014,272:321-339.
[3]Mao K.Gear tooth contact analysis and its application in the reduction of fatigue wear[J].Wear,2007,262(11/12):1281-1288.
[4]Wu Y J,Wang J J,Han Q K.Contact finite element method for dynamic meshing characteristics analysis of continuous engaged gear drives[J].Journal of Mechanical Science and Technology,2012,26(6):1671-1685.
[5]Liu S Y,Song C S,Zhu C C,et al.Effects of tooth modifications on mesh characteristics of crossed beveloid gear pair with small shaft angle[J].Mechanism and Machine Theory,2018,119:142-160.
[6]Ni G X,Zhu C C,Song C S,et al.Tooth contact analysis of crossed beveloid gear transmission with parabolic modification[J].Mechanism and Machine Theory,2017,113:40-52.
[7]Yang W,Jiang D,Han T.Effects of tooth breakage size and rotational speed on the vibration response of a planetary gearbox[J].Applied Sciences,2017,7(7):3-17.
[8]曹洪.升降齿轮箱多级行星传动耦合振动分析及动态性能优化[D].重庆:重庆大学,2017.CAO Hong.Coupled vibration analysis and dynamic performance optimization of multi-stage planetary transmission of lifting gearbox[D].Chongqing:Chongqing University,2017.(in Chinese)
[9]林腾蛟,曹洪,吕和生,等.4级行星齿轮箱振动噪声预估及修形效果分析[J].重庆大学学报,2018,41(2):1-9.LIN Tengjiao,CAO Hong,LYU Hesheng,et al.Vibration noise prediction and tooth modification effect analysis of a four-stage planetary gearbox[J].Journal of Chongqing University,2018,41(2):1-9.(in Chinese)
[10]林腾蛟,曹洪,谭自然,等.四级行星齿轮减速器耦合系统动态性能优化[J].机械工程学报,2017,54(11):162-171.LIN Tengjiao,CAO Hong,TAN Ziran,et al.Dynamic performance optimization of coupled system for four-stage planetary gear reducer[J].Journal of Mechanical Engineering,2017,54(11):162-171.(in Chinese)
[11]秦大同,赵勇.盾构机刀盘驱动多级行星齿轮传动系统的多目标优化[J].中国机械工程,2012,23(1):12-17.QIN Datong,ZHAO Yong.Multi-objective optimization of multi-stage planetary gear train used in shield machine cutter driver[J].China Mechanical Engineering,2012,23(1):12-17.(in Chinese)
[12]魏静,杨攀武,秦大同,等.重载行星齿轮传动等强度优化设计方法[J].北京工业大学学报,2018,44(7):979-986.WEI Jing,YANG Panwu,QIN Datong,et al.Equal strength optimal design method in heavy-load planetary gear transmission[J].Journal of Beijing University of Technology,2018,44(7):979-986.(in Chinese)
[13]许登科,曹科名,彭锐涛,等.海工平台提升齿轮箱传动比优化设计[J].中国海洋平台,2016,31(4):1-6.XU Dengke,CAO Keming,PENG Ruitao,et al.Optimal design of the transmission ratio lifting gearbox of offshore platform[J].China Offshore Platform,2016,31(4):1-6.(in Chinese)
[14]张氢,李冉,张小杰,等.自升式海洋平台抬升减速器的优化设计[J].机械传动,2015,39(2):51-54.ZHANG Qing,LI Ran,ZHANG Xiaojie,et al.Optimal design for the lifting gearbox of self-elevating offshore platform[J].Journal of Mechanical Transmission,2015,39(2):51-54.(in Chinese)
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