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目 錄
摘要·····················································Ⅰ
Abstract··············································Ⅱ
第一章概述·······················································1
第二章對旋耕機(jī)的展望及發(fā)展現(xiàn)狀·······························2
2.1 對旋耕機(jī)的展望·········································2
2.2 旋耕機(jī)的的發(fā)展現(xiàn)狀····································3
2.2.1國外旋耕機(jī)的發(fā)展現(xiàn)狀·····························3
2.2.2國內(nèi)旋耕機(jī)的發(fā)展現(xiàn)狀·····························4
第三章設(shè)計及其計算·············································5
3.1 旋耕機(jī)的工作原理與設(shè)計原則思想·······················5
3.1.1工作原理············································5
3.1.2設(shè)計原則思想·······································5
3.2 旋耕機(jī)的結(jié)構(gòu)及主要技術(shù)參數(shù)···························6
3.3 旋耕機(jī)的設(shè)計···········································7
3.3.1 總體設(shè)計··········································7
3. 3. 2 旋耕機(jī)類型的選擇·································7
3.3.3 旋耕機(jī)耕幅的確定 ································7
3.3.4 旋耕機(jī)與拖拉機(jī)的掛接型式························7
3.3.5 旋耕機(jī)與拖拉機(jī)的配置型式························8
3.3.6 旋耕機(jī)的傳動型式·································8
3.3.7 旋耕機(jī)的前進(jìn)速度·································8
3.3.8 旋耕機(jī)的刀軸轉(zhuǎn)速·································9
3.4 旋耕機(jī)的部件設(shè)計·······································9
3.4.1 萬向節(jié)總成········································9
3.4.2 懸掛架總成········································9
3.4.3 齒輪箱············································9
3.4.4 左、右主梁總成及機(jī)罩拖板總成···················10
3.4.5 左、右刀軸總成···································10
3.4.6 旋耕機(jī)對刀片排列的要求·························10
3.4.7 現(xiàn)有旋耕機(jī)刀片排列存在的問題··················11
3.4.8 解決方法···································11
3．5 旋耕刀的設(shè)計·········································12
3.5.1 旋耕刀的分類··································12
3.5.2 旋耕刀的結(jié)構(gòu)··································13
3.5.3 旋耕刀的設(shè)計··································14
3．6 犁體總成···············································15
第四章 旋耕機(jī)的幾項驗算······································16
4.1 旋耕刀片端點的圓周速度Vo·····························16
4.2 最大耕深 Hmax ··········································17
4.3 切土節(jié)距 S·············································18
4.4 溝底凸起高度··········································19
4.5 功率消耗N ············································19
4.6 刀片的后角·············································21
4.7 工作前的安裝與調(diào)整 ··································21
4．8 旋耕機(jī)選用時要注意以下幾個問題·····················22
4.9 旋耕機(jī)使用技術(shù)要點···································23
結(jié)論····························································25
致謝····························································26
參考文獻(xiàn)························································27
附錄1···················································29
附錄2·················································32
附錄3···················································41