2023年全國碩士研究生考試考研英語一試題真題（含答案詳解+作文范文）_第1頁
已閱讀1頁，還剩29頁未讀， 繼續(xù)免費閱讀

下載本文檔

版權(quán)說明：本文檔由用戶提供并上傳，收益歸屬內(nèi)容提供方，若內(nèi)容存在侵權(quán)，請進(jìn)行舉報或認(rèn)領(lǐng)

文檔簡介

1、目錄摘要.................................................................................................................................................1Abstract..............................................................

2、..............................................................................2第一章前言...................................................................................................................................31.1畢

3、業(yè)設(shè)計目的.........................................................................................................................................31.2本課題的內(nèi)容和要求.................................................................

4、............................................................31.2課題研究的意義....................................................................................................................................4第二章林木移栽機機構(gòu)......

5、.........................................................................................................52.1整體結(jié)構(gòu)及其主要參數(shù).....................................................................................................

6、....................52.2主要部件結(jié)構(gòu)分析與設(shè)計.....................................................................................................................62.3本章小結(jié)............................................................

7、....................................................................................9第三章制定基本方案和繪制液壓系統(tǒng)圖.................................................................................103.1制定基本方案..........................

8、.............................................................................................................103.2繪制液壓系統(tǒng)圖...................................................................................................

9、...............................13第四章液壓元件的選型與計算.................................................................................................154.1液壓泵的選擇..................................................................

10、....................................................................154.2液壓閥的選擇......................................................................................................................................174.3蓄能

11、器的選擇......................................................................................................................................184.4管道尺寸的確定......................................................................

12、............................................................184.5油箱容量的確定..................................................................................................................................20第五章液壓缸的計算.......

13、..........................................................................................................215.1負(fù)載分析.........................................................................................................

14、.....................................215.2提升液壓缸主要參數(shù)的確定..............................................................................................................225.3擬訂液壓系統(tǒng)圖............................................

15、......................................................................................235.4液壓元件的選擇..........................................................................................................................

16、........245.5液壓系統(tǒng)的性能驗算..........................................................................................................................26結(jié)論........................................................................

17、.......................................................................29致謝...............................................................................................................................................30

18、參考文獻(xiàn).......................................................................................................................................312AbstractAbstractIndertoimprovethesurvivalrateoftreeslscapingetcinplantrootstat

19、iontreeswithsoilballsimpleinstructureefficientfesttransplantingmachinemehighlymarketsfav.Thetreesoftransplantingmachinetypewholestructureshovelknifecomponentsbucketcomponenthoistingmechanismhydraulicsystemkeycomponentsde

20、signanalysisdevelopedakindofsuitablefsmallmediumsizedtreestransplantingmachinery.Hydraulicsystemisfestisanimptantpartoftransplantingmachinemainlyincludinghydraulicpumphydraulicoilcylindersvalvestanketcthistopicthroughthe

21、applicationoffesttreetransplantingmachineAutoCADtechnologythroughthecalculationofhydraulicsystemdesignofhydrauliccylinderfinishsuchaselectromagicvalvepumpion.KeywdtreestransplantingmachineHydraulicsystemHydrauliccylinder

溫馨提示

  • 1. 本站所有資源如無特殊說明，都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等，如果需要附件，請聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙，網(wǎng)頁內(nèi)容里面會有圖紙預(yù)覽，若沒有圖紙預(yù)覽就沒有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 眾賞文庫僅提供信息存儲空間，僅對用戶上傳內(nèi)容的表現(xiàn)方式做保護處理，對用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯，并不能對任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容，請與我們聯(lián)系，我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時也不承擔(dān)用戶因使用這些下載資源對自己和他人造成任何形式的傷害或損失。

評論

0/150

提交評論