挖掘機液壓系統(tǒng)地設(shè)計

1、_目錄1前言……………………………………………………………………11.1挖掘機間介…………………………………………………………11.2國內(nèi)外研究現(xiàn)狀及發(fā)展動態(tài)………………………………………21.3本設(shè)計的研究內(nèi)容…………………………………………………52液壓挖掘機結(jié)構(gòu)與工作原理…………………………………………72.1液壓挖掘機整機性能………………………………………………72.2液壓挖掘機結(jié)構(gòu)……………………………………………………82.

2、3液壓挖掘機傳動原理……………………………………………103液壓挖掘機工況分析及液壓系統(tǒng)設(shè)計方案的確定………………123.1液壓挖掘機的工況………………………………………………123.2挖掘機液壓系統(tǒng)的設(shè)計要求……………………………………173.3挖掘機液壓系統(tǒng)的分析…………………………………………193.4液壓系統(tǒng)方案擬訂………………………………………………204液壓系統(tǒng)的設(shè)計……………………………………………………214.1液壓系統(tǒng)

3、方案及參數(shù)確定………………………………………214.2執(zhí)行元件液壓缸及系統(tǒng)壓力的初選……………………………224.3計算工作裝置鏟斗液壓缸的主要尺寸…………………………234.4液壓系統(tǒng)原理圖的制定…………………………………………265液壓元件的選擇與專用件的設(shè)計…………………………………315.1液壓泵的選擇和泵的參數(shù)的計算………………………………315.2柴油發(fā)動機的選擇………………………………………………335.3液壓閥的選擇……

4、………………………………………………335.4其他液壓元件的選擇……………………………………………365.5油箱容量的確定…………………………………………………386壓系統(tǒng)性能驗算……………………………………………………406.1液壓系統(tǒng)壓力損失………………………………………………406.2液壓系統(tǒng)的發(fā)熱溫升計算………………………………………41總結(jié)………………………………………………………………46參考文獻……………………………………

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