花生分段收获挖掘铲力学模型及试验分析
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摘要
为优化花生收获挖掘铲的结构参数,对花生收获挖掘铲进行受力分析,并建立工作状态的力学模型,研究各个参数的变化对受力状况的影响,找出对工作阻力具有影响的参数和薄弱部位。通过田间试验,对力学模型进行验证,结果表明:影响工作阻力的参数有犁面与地面的夹角、犁面的开度角、前失效角的倾角及土壤重力,犁柱截面C为薄弱部位,力学模型与收获挖掘铲的受力状况基本相符。
For optimizingstructure parameters of peanut harvest digger blade,force analysis of peanut harvest digger blade was conducted,and mechanical model at working condition was established,influences of various parameters changes on force condition were studied,the influencing parameters and the weak parts of share shaft on working resistance were found out. In order to ensure the accuracy of the mathematical model and the reliability of the simulated results,the real field experiments were also carried out to confirm the established force mathematical model. The results proved that the parameters which affect the effective resistance were included angle between plough wall and ground,plough wall opening angle,the dip of front failure angle,soil gravity,share shaft section C is the weak position. The mathematical model could reflect the harvest digger blade's real force conditions.
For optimizingstructure parameters of peanut harvest digger blade,force analysis of peanut harvest digger blade was conducted,and mechanical model at working condition was established,influences of various parameters changes on force condition were studied,the influencing parameters and the weak parts of share shaft on working resistance were found out. In order to ensure the accuracy of the mathematical model and the reliability of the simulated results,the real field experiments were also carried out to confirm the established force mathematical model. The results proved that the parameters which affect the effective resistance were included angle between plough wall and ground,plough wall opening angle,the dip of front failure angle,soil gravity,share shaft section C is the weak position. The mathematical model could reflect the harvest digger blade's real force conditions.
引文
[1]胡志超.半喂入花生联合收获机关键技术研究[D].南京:南京农业大学,2011.
[2]尚书旗,王方艳,刘曙光,等.花生收获机械的研究现状与发展趋势[J].农业工程学报,2004,20(1):20-25.
[3]胡志超,王海鸥,彭宝良,等.国内外花生收获机械化现状与发展[J].中国农机化,2006(5):40-43.
[4]尚书旗,王方艳,刘曙光.花生生产机械化的应用现状与进展分析[J].花生学报,2003(11):509-517.
[5]程俊峰,张飞.河南省花生收获机应用现状分析[J].农业科技与装备,2010(8):68-70.
[6]马建民,张飞,楚宜民.河南省花生收获机械现状研究[J].农业机械,2009(4):82-85.
[7]郑月男,尚书旗,杨然兵,等.山东省花生种植和收获现状的研究[J].农业机械,2009(14):52-54.
[8]滕美茹,田立忠,陈广成.花生收获机的现状与发展[J].农机化研究,2011,33(10):211-215.
[9]Harrison H P,licsko J Z.Soil reacting wrenches and dynamics for three models of bentleg plows[J].Transations of the ASAE,1989,32(1):50-53.
[10]余泳昌,刘文艺,赵迎芳,等.立柱式深松铲受力数学模型及试验分析[J].农业工程学报,2007(6):109-113.
[11]Γ.H西涅阿可夫,И.M潘诺夫.土壤耕作机械的理论和计算[M].北京:中国农业机械出版社,1981:689-694.
[12]Bandalan E P.Salokhe V M,Gupta C P,et al.Performance of an oscillating subsoiler in breaking a hardpan[J].Journal of terramechanics,1999,36(1):117-125.
[2]尚书旗,王方艳,刘曙光,等.花生收获机械的研究现状与发展趋势[J].农业工程学报,2004,20(1):20-25.
[3]胡志超,王海鸥,彭宝良,等.国内外花生收获机械化现状与发展[J].中国农机化,2006(5):40-43.
[4]尚书旗,王方艳,刘曙光.花生生产机械化的应用现状与进展分析[J].花生学报,2003(11):509-517.
[5]程俊峰,张飞.河南省花生收获机应用现状分析[J].农业科技与装备,2010(8):68-70.
[6]马建民,张飞,楚宜民.河南省花生收获机械现状研究[J].农业机械,2009(4):82-85.
[7]郑月男,尚书旗,杨然兵,等.山东省花生种植和收获现状的研究[J].农业机械,2009(14):52-54.
[8]滕美茹,田立忠,陈广成.花生收获机的现状与发展[J].农机化研究,2011,33(10):211-215.
[9]Harrison H P,licsko J Z.Soil reacting wrenches and dynamics for three models of bentleg plows[J].Transations of the ASAE,1989,32(1):50-53.
[10]余泳昌,刘文艺,赵迎芳,等.立柱式深松铲受力数学模型及试验分析[J].农业工程学报,2007(6):109-113.
[11]Γ.H西涅阿可夫,И.M潘诺夫.土壤耕作机械的理论和计算[M].北京:中国农业机械出版社,1981:689-694.
[12]Bandalan E P.Salokhe V M,Gupta C P,et al.Performance of an oscillating subsoiler in breaking a hardpan[J].Journal of terramechanics,1999,36(1):117-125.