農(nóng)用機(jī)械對(duì)表層土壤的不斷翻耕會(huì)產(chǎn)生堅(jiān)硬的犁底層。深松機(jī)具的使用可以打破犁底層,使水分和植物的根系能到更深的土壤中。但深松機(jī)具需要很大的牽引力和大馬力拖拉機(jī)來(lái)帶動(dòng),嚴(yán)重地制約了深松技術(shù)的發(fā)展。振動(dòng)深松是減少耕作阻力的一項(xiàng)新技術(shù)�，F(xiàn)有的振動(dòng)深松機(jī)大部分深松鏟尖需要同一時(shí)間穿透堅(jiān)硬的土壤,從而引起了土壤阻力的提高,增加了牽引力。常見(jiàn)的振動(dòng)深松機(jī)在田間作業(yè)時(shí),拖拉機(jī)手還會(huì)因?yàn)檎駝?dòng)深松機(jī)的振動(dòng)傳遞到拖拉機(jī)上而感到不適。本論文的研究為解決上述存在的問(wèn)題,設(shè)計(jì)了一種新型的V型交錯(cuò)振動(dòng)深松施肥機(jī),優(yōu)化改進(jìn)深松鏟來(lái)穿透土壤并克服阻力,同時(shí)使振動(dòng)深松機(jī)在工作時(shí)保持平衡和振動(dòng)穩(wěn)定來(lái)為拖拉機(jī)手提供好的工作環(huán)境。新設(shè)計(jì)的振動(dòng)深松機(jī)主要包括五個(gè)部分,（1）交錯(cuò)往復(fù)運(yùn)動(dòng)單元（2）動(dòng)力提供轉(zhuǎn)化裝置（3）偏心結(jié)構(gòu)單元（4）主機(jī)架（5）深度控制機(jī)構(gòu)和施肥系統(tǒng)。2012年和2013年連續(xù)兩年在中國(guó)河北省固安縣進(jìn)行測(cè)試。主要研究?jī)?nèi)容和樣機(jī)的性能結(jié)果如下：-通過(guò)鏟柄模型分析、鏟柄受力分析以及研究鏟柄阻力下降的機(jī)理,得到了相應(yīng)的設(shè)計(jì)參數(shù)。計(jì)算得出振動(dòng)方程式并繪制鏟柄運(yùn)動(dòng)軌跡,確定速度、振幅、頻率以及實(shí)際運(yùn)動(dòng)軌跡的關(guān)系,便于優(yōu)化和... 

【文章來(lái)源】：中國(guó)農(nóng)業(yè)大學(xué)北京市 211工程院校 985工程院校 教育部直屬院校

【文章頁(yè)數(shù)】：139 頁(yè)

【學(xué)位級(jí)別】：博士

【文章目錄】：
摘要
Abstract
Chapter Ⅰ Introduction
    1.1 Background
    1.2 Review of literature
    1.3 Problem definition:(justification of the development of vibratory sub-soil)
    1.4 Study objectives
    1.5 study outline
Chapter Ⅱ Design and fabrication
    2.1 Types of vibrating mechanism
    2.2 Basic Principle of Anti-drag
    2.3 Forced oscilation of soil cutting process
    2.4 Tool vibratory Movement
    2.5 Soil model of subsoiling operation
    2.6 Optimal selection and selection criteria for the shanks
    2.7 Subsoiler shank force analysis
    2.8 Vibration trajectory
    2.9 The main design ideas and working principles of new a staggered reciprocal vibratory subsoiler with fertilizer application
    2.10 Key design parameters
    2.11 Crank unit
    2.12 Fertilizer system and depth control unit
    2.13 Arrangement of shanks on the new applicator
    2.14 Fabrication of the implement
    2.15 Specifications of the new design
Chapter Ⅲ Material and methods
    3.1 Materials
    3.2 Methods
    3.3 Measurements
    3.4 statistics analysis
Chapter Ⅳ Fields evaluation results and discussion
    4.1 Effect of new developed vibratory plow on machine performance
    4.2 Effect of new developed vibratory plow on soil properties
Chapter Ⅴ Summary,Conclusions,Future Perspectives and Innovations
    5.1 Summary
    5.2 Conclusions
    5.3 Future perspectives
    5.4 Innovations
References
Preface and Acknowledgments
Personal statement


【參考文獻(xiàn)】：
期刊論文
[1]Effects of Subsoiling on Soil Moisture Under No-Tillage for Two Years[J]. QIN Hong-ling1,GAO Wang-sheng2,MA Yue-cun3,MA Li2,YIN Chun-mei2,CHEN Zhe1 and CHEN Chun-lan1 1 Institute of Subtropical Agriculture,Chinese Academy of Sciences,Changsha 410125,P.R.China 2 College of Agronomy and Biotechnology,China Agricultural University,Beijing 100094,P.R.China 3 Soil and Fertilizer Institute,Hunan Academy of Agricultural Sciences,Changsha 410125,P.R.China.  Agricultural Sciences in China. 2008(01)



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