腳踏平臺(tái)搬運(yùn)車設(shè)計(jì)畢業(yè)設(shè)計(jì)-文庫吧
2025-06-10 20:02 本頁面
【正文】 to this， the standard and model choice of the hydraulic pump, hydraulic cylinde are determined， And it describes relevant hydraulic system principles and account oil volume of the hydraulic addition, this paper check the strength of the hinge frame and the axes at both ends of the Hydraulic cylinder by mainly using the mechanics of materials knowledge ， Finally, check the weight and cost of this lifting platform .This Graduation Project have refer from a large amount of information and national standards, it fully absorbed the valuable experience of experts in all walks of life . Keyword:mechanical transmission,hydrostatic transmission 1 緒論 .............................................................. 8 背景 ......................................................... 8 設(shè)計(jì)任務(wù)： ................................................... 9 題目名稱：腳踏平臺(tái)搬運(yùn)車設(shè)計(jì) ........................... 9 主要參數(shù)及要求： ....................................... 9 2. 原機(jī)械結(jié)構(gòu)分析 ................................................... 9 腳踏平臺(tái)搬運(yùn)車 傳動(dòng)機(jī)械系統(tǒng)工作原理 ........................... 9 腳踏平臺(tái)搬運(yùn)車部件的結(jié)構(gòu)及尺寸計(jì)算 ........................... 9 叉臂中間銷軸尺寸計(jì)算 ................................... 9 叉臂穩(wěn)定性計(jì)算叉臂尺寸 ................................ 10 千斤頂總成部分受力分析 ................................ 11 ........................................... 13 系統(tǒng)分析 .................................................... 13 壓系統(tǒng)原理圖的擬定 .......................................... 14 4. 壓系統(tǒng)的計(jì)算與選型 .............................................. 15 作壓力的確定 ................................................ 15 千斤頂總成的設(shè)計(jì)計(jì)算 ........................................ 15 大液壓缸設(shè)計(jì)及計(jì)算 .................................... 15 活塞桿啟動(dòng)或制動(dòng)時(shí)的慣性力 ....................... 15 運(yùn)動(dòng)部件的摩擦力 ................................. 15 液壓 缸理論推力計(jì)算 ............................... 16 液壓缸的計(jì)算公式 ................................. 16 缸筒壁厚計(jì)算 ..................................... 16 缸體外徑的計(jì)算 ................................... 17 活塞桿直徑及長(zhǎng)度以及活塞杠行程計(jì)算 ............... 17 活塞選用 ......................................... 19 導(dǎo)向套尺寸計(jì)算 .................................. 19 螺紋連接部分 .................................... 19 小液壓缸計(jì)算 .......................................... 20 小液壓缸受力計(jì)算 ................................. 20 小液壓缸直徑計(jì)算 ................................. 21 活塞缸行程計(jì)算 ................................... 21 武漢科技大學(xué)?？飘厴I(yè)設(shè)計(jì) 7 導(dǎo)向套長(zhǎng)度 ....................................... 21 缸筒與端部焊接計(jì)算 ............................... 21 活塞選用 ......................................... 21 活塞桿尺寸計(jì)算 ................................... 22 缸筒壁厚計(jì)算 ..................................... 22 缸體外徑的計(jì)算 ................................... 22 ............................................. 22 單向閥的選擇 ................................................ 23 節(jié)流閥選擇 .................................................. 23 順序閥的選擇 ................................................ 24 卸荷閥選擇 .................................................. 24 6 液壓輔助元件設(shè)計(jì)及選用 ........................................... 24 過濾器是液壓系統(tǒng)中的重要元件，它可以清除液壓油中的污染物，保持油液清潔度，確保系統(tǒng)元件工作的可靠性。 ...................... 24 ................................................. 25 油箱的設(shè)計(jì) .................................................. 25 油箱容量的確定 .............................................. 26 ....................................................... 26 結(jié)束語 ............................................................. 27 參考文獻(xiàn) ..........
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