贴地施肥播种机传动设计与机架分析
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摘要
针对传统小麦播种机播种不均以及播种精度低等问题,设计一种新型贴地施肥播种机,分析其总体结构与工作原理。围绕作业功能和工作原理设计传动系统和传动效率,并在传动分析的基础上进行机架的设计和ANSYS有限元分析。通过分析薄弱环节,对机架进行模态优化和轻量化设计,得出更可靠的设计方案。结果表明:设计的整机传动系统传动效率为0.706,优化后机架的最大位移集中在中间梁,其最大位移量减小至4.027 7mm。本文可为贴地播种机的发展提供参考。
Aiming at the problems of uneven seeding and low precision of traditional wheat seeder,a new type of intelligent topsoil fertilizing seeder was designed.In this article,the overall structure and working principle were analyzed,and the transmission system was further designed.Based on the transmission analysis,the frame was designed through finite element analysis.Reliable solutions were improved through modal optimization.The results showed that the transmission efficiency of transmission system was 0.706,the maximum displacement of the optimized frame was concentrated in the middle beam,and the corresponding maximum displacement reduced to 4.027 7mm.This research could provide a reference for the development of seeders.
Aiming at the problems of uneven seeding and low precision of traditional wheat seeder,a new type of intelligent topsoil fertilizing seeder was designed.In this article,the overall structure and working principle were analyzed,and the transmission system was further designed.Based on the transmission analysis,the frame was designed through finite element analysis.Reliable solutions were improved through modal optimization.The results showed that the transmission efficiency of transmission system was 0.706,the maximum displacement of the optimized frame was concentrated in the middle beam,and the corresponding maximum displacement reduced to 4.027 7mm.This research could provide a reference for the development of seeders.
引文
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[15]李耀明,李有为,徐立章,等.联合收获机割台机架结构参数优化[J].农业工程学报,2014,30(18):30-37.Li Yaoming,Li Youwei,Xu Lizhang,et al.Structural parameter optimization of combine harvester cutting bench[J].Transactions of the Chinese Society of Agricultural Engineering,2014,30(18):30-37.
[16]吕廷,石秀东,张秋菊,等.基于ANSYS的破碎机机架模态分析[J].机械设计与制造,2008(11):99-101.Lv Ting,Shi Xiudong,Zhang Qiuju,et al.Modal analysis for the frame of crusher based on ANSYS[J].Machinery Design&Manufacture,2008(11):99-101.
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[2]张中选,陈宏相.浅谈小麦播种、施肥机械化技术[J].中国农机化,2006(5):28-29.Zhang Zhongxuan,Chen Hongxiang.Discuss of wheat mechanization technology of seeding and fertilization[J].Chinese Agricultural Mechanization,2006(5):28-29.
[3]韩宾,李增嘉,王芸,等.土壤耕作及秸秆还田对冬小麦生长状况及产量的影响[J].农业工程学报,2007,23(2):48-53.Han Bin,Li Zengjia,Wang Yun,et al.Effects of soil tillage and returning straw to soil on wheat growth status and yield[J].Transactions of the Chinese Society of Agricultural Engineering,2007,23(2):48-53.
[4]刘金权.小麦宽幅精播高产技术[J].河南农业,2011(15):44.
[5]顾克军,杨四军,张传辉,等.稻收麦播秸秆覆盖还田一体化装备的设计与试验[J].中国农机化学报,2017,38(5):23-27.Gu Kejun,Yang Sijun,Zhang Chuanhui,et al.Design and test of integrated equipment with rice harvesting,wheat sowing and straw mulching functions[J].Journal of Chinese Agricultural Mechanization,2017,38(5):23-27.
[6]程玉龙,张礼钢,翟步顺,等.稻茬田小麦种植不同耕作方式的比较与分析[J].中国农机化学报,2014,35(4):69-72.Cheng Yulong,Zhang Ligang,Zhai Bushun,et al.Comparison and analysis of different tillage methods for planting wheat in rice stubble fields[J].Journal of Chinese Agricultural Mechanization,2014,35(4):69-72.
[7]曹瑶瑶.小麦旋耕施肥宽幅精密播种复式机的设计[D].泰安:山东农业大学,2016.Cao Yaoyao.Compound machine design of rotarytillage fertilization wheat wide precision seeding[D].Taian:Shandong Agricultural University,2016.
[8]杨铮,葛迅一,杨东辉,等.双轴旋耕复式作业机传动改进设计研究[J].农业装备技术,2014(6):13-14,15.
[9]于国明,胡军.精密电动播种机设计及试验研究[J].农业机械,2014(11):127-133.
[10]何文龙.小麦播种机排种器电动系统的设计与试验[D].南京:南京农业大学,2013.He Wenlong.Design and experiment of electricsystem is the rows of wheat seeder[D].Nanjing:Nanjing Agricultural University,2013.
[11]沈函孝.外槽轮电动排种器设计与试验研究[D].扬州:扬州大学,2016.
[12]王金峰,王金武,孔彦军,等.悬挂式水田筑埂机及其关键部件研制与试验[J].农业工程学报,2013,29(6):28-34.Wang Jinfeng,Wang Jinwu,Kong Yanjun,et al.Development and experiment of suspension ridger and its key components for paddy field[J].Transactions of the Chinese Society of Agricultural Engineering,2013,29(6):28-34.
[13]机械工业出版社《机械设计手册》第5版出版[J].机械设计与研究,2012(1):21.
[14]田耘,赵亚祥,刘选伟,等.基于ANSYS Workbench的多功能旋耕机机架的模态分析[J].中国农机化学报,2015,36(6):1-3,18.Tian Yun,Zhao Yaxiang,Liu Xuanwei,et al.Modal analysis of multifunctional rotary cultivator frame based on ANSYS workbench[J].Journal of Chinese Agricultural Mechanization,2015,36(6):1-3,18.
[15]李耀明,李有为,徐立章,等.联合收获机割台机架结构参数优化[J].农业工程学报,2014,30(18):30-37.Li Yaoming,Li Youwei,Xu Lizhang,et al.Structural parameter optimization of combine harvester cutting bench[J].Transactions of the Chinese Society of Agricultural Engineering,2014,30(18):30-37.
[16]吕廷,石秀东,张秋菊,等.基于ANSYS的破碎机机架模态分析[J].机械设计与制造,2008(11):99-101.Lv Ting,Shi Xiudong,Zhang Qiuju,et al.Modal analysis for the frame of crusher based on ANSYS[J].Machinery Design&Manufacture,2008(11):99-101.
[17]陈俊岭,舒文雅,李金威.Q235钢材在不同应变率下力学性能的试验研究[J].同济大学学报(自然科学版),2016,44(7):1071-1075.Chen Junling,Shu Wenya,Li Jinwei.Experimental study on dynamic mechanical property of Q235steel at different strain rates[J].Journal of Tongji University(Natural Science),2016,44(7):1071-1075.