氣力式小型除雪機的結(jié)構(gòu)設(shè)計本科畢業(yè)論文-全文預(yù)覽
【正文】 menon, to the residents of these areas of life has brought great inconvenience, also had a negative effect on the economic development of the region. Therefore, realize the mechanization of the snow removing is important.Keywords: Pneumatic type Except design snow machine Cylinder西安思源學院畢業(yè)論文（設(shè)計）III目錄1 緒論 .........................................................................................................................5 本課題研究的意義與目的 ................................................................................5 國內(nèi)外除雪機發(fā)展現(xiàn)狀 ....................................................................................6 國內(nèi)除雪機械的發(fā)展方向 ................................................................................8 本文的工作安排 ..............................................................................................92 氣力式小型除雪機的設(shè)計的總體方案 ................................................................10 總體設(shè)計的基本原則及要求 ..........................................................................10 機構(gòu)的總體設(shè)計原則 ...............................................................................10 機構(gòu)總體布置設(shè)計基本要求 ...................................................................11 除雪機設(shè)計方案 .............................................................................................11 總體方案選擇 ...........................................................................................11 機構(gòu)的設(shè)計方案 .......................................................................................12 本章小結(jié) .........................................................................................................133 除雪鏟機構(gòu)的設(shè)計 ...............................................................................................14 除雪鏟鏟板的設(shè)計 .........................................................................................14 除雪鏟板的示意圖 ...................................................................................14 鏟雪板結(jié)構(gòu)參數(shù)確定 ...............................................................................15 前鏟機械避障裝置設(shè)計 .................................................................................17 避障機構(gòu)的方案 .....................................................................................17 避障機構(gòu)的設(shè)計 .....................................................................................184 氣壓傳動系統(tǒng)的設(shè)計與校核 ...............................................................................21 氣動傳動原理 .................................................................................................21 氣動系統(tǒng)元件的選擇 .....................................................................................22 氣缸的選擇 ...............................................................................................22 空壓機的選擇 ...........................................................................................23西安思源學院畢業(yè)論文（設(shè)計）IV 控制元件的選擇 .....................................................................................24 消聲器的選擇 .........................................................................................25 三聯(lián)件的選擇 ...........................................................................................25 確定管道直徑 .................................................................................................26 驗算壓力損失 ................................................................................................26 沿程壓力損失 ...........................................................................................26 局部壓力損失 ...........................................................................................28 總壓力損失 ...............................................................................................29結(jié) 論 .........................................................................................................................30參考文獻 ...................................................................................................................31致謝 ...........................................................................................................................32西安思源學院畢業(yè)論文（設(shè)計）5氣力式小型除雪機的整體設(shè)計第一章 緒論 本課題研究的意義與目的我國北方地區(qū)冬季比較漫長，基本上每年都會有大降雪出現(xiàn)，有些地區(qū)還會因為長時間大降雪而形成雪災(zāi)、 ，給人們生活帶來困難，給社會生產(chǎn)帶來很多不便利，特別是現(xiàn)在，經(jīng)濟飛速發(fā)展，需求地于生產(chǎn)地的聯(lián)系密不可分，而連接的方式就是運輸，而公路運輸又占有運輸?shù)暮艽蟊壤?，因為一些地區(qū)由于地貌限制只能用公路運輸來完成生活需求，但是道路積雪給人們出行和公路運輸帶來了很多不便，特別是大降雪和雨夾雪天氣，讓高速公路關(guān)閉，讓國道行駛很不安全，嚴重的影響了人們的出行和經(jīng)濟發(fā)展，現(xiàn)在道路積雪問題引起了各級部門的關(guān)注和重視，我認為如何能高效的處理積雪，保障道路通暢，讓人們安全出行，提
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