小型自走式播種機(jī)設(shè)計(汽油機(jī)驅(qū)動)【17張CAD圖紙+PDF圖】
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目錄
第1章 前言··········································································1
1.1播種機(jī)的常識和技術(shù)現(xiàn)狀·······················································1
1.2播種方式及常見播種類型·······················································3
1.2.1條播·············································································3
1.2.2穴播·············································································4
1.2.3撒播·············································································4
1.2.4精密播種·······································································4
1.2.5聯(lián)合作業(yè)機(jī)和免耕播種························································5
1.3播種工作過程和機(jī)械構(gòu)造·······················································5
1.3.1工作過程·······································································5
1.3.2機(jī)械構(gòu)造·······································································6
1.4播種機(jī)械的發(fā)展趨勢·····························································7
第2章 總體設(shè)計····································································9
2.1 概述···············································································9
2.2 設(shè)計任務(wù)········································································10
2.3 設(shè)計目的········································································10
2.4 動力方案選擇···································································10
2.5 設(shè)計題目分析及設(shè)計思想·····················································12
2.6 設(shè)計主參數(shù)及機(jī)構(gòu)類型確定··················································12
2.6.1工作速度······································································12
2.6.2播量的確定···································································13
2.6.3種、肥箱的容積······························································13
2.6.4機(jī)架設(shè)計······································································14
2.6.5工作幅度······································································14
2.6.6 排種、排肥機(jī)構(gòu)設(shè)計·························································14
2.6.7開溝器設(shè)計····································································18
2.6.8覆土器設(shè)計···································································22
2.6.9鎮(zhèn)壓輪設(shè)計····································································23
2.6.10 地輪設(shè)計····································································23
第3章 傳動設(shè)計及播種技術(shù)措施···········································25
3.1傳動原理簡圖和動力傳遞路線圖····································25
3.1.1傳動原理簡圖·································································25
3.1.2動力傳動路線圖······························································25
3.2傳動原理·········································································25
3.3技術(shù)措施·········································································26
3.3.1播種均勻性和各行排量一致性措施·········································26
3.3.2降低破種率措施······························································27
3.3.3種肥同播時,肥料的利用率··················································27
第4章 零部件設(shè)計·······························································28
4.1種箱及肥箱設(shè)計·································································28
4.2開溝器設(shè)計及校核······························································29
4.3排種器···········································································31
4.4地輪參數(shù)確定···································································32
4.4.1輪子直徑和輪輞寬度的確定·················································32
4.4.2輪子滾動阻力計算····························································32
4.5汽油機(jī)的選擇及鏈輪設(shè)計······················································33
4.5.1汽油機(jī)總功率確定····························································33
4.5.2汽油機(jī)及減速器的選擇······················································34
4.5.3傳動比的確定·································································35
4.5.4鏈輪選擇及設(shè)計計算·························································36
4.6地輪軸設(shè)計······································································41
4.7鍵的校核·········································································47
4.8銷的校核·········································································48
4.9軸承的校核······································································49
第5章 播種機(jī)使用·······························································50
5.1播種量調(diào)整······································································50
5.2實際操作說明···································································51
5.2.1播種作業(yè)前準(zhǔn)備······························································51
5.2.2播種機(jī)的試播及作業(yè)·························································53
5.2.3播種機(jī)的保養(yǎng)與保管·························································54
5.2.4播種質(zhì)量檢查·································································54
第6章 畢業(yè)設(shè)計小結(jié)····························································57
參考文獻(xiàn)·············································································59
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編號:102956615
類型:共享資源
大小:12.06MB
格式:ZIP
上傳時間:2022-06-07
50
積分
- 關(guān) 鍵 詞:
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17張CAD圖紙+PDF圖
小型
播種機(jī)
設(shè)計
汽油機(jī)
驅(qū)動
17
CAD
圖紙
PDF
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喜歡就充值下載吧。。資源目錄里展示的文件全都有,,請放心下載,,有疑問咨詢QQ:414951605或者1304139763 ======================== 喜歡就充值下載吧。。資源目錄里展示的文件全都有,,請放心下載,,有疑問咨詢QQ:414951605或者1304139763 ========================
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