無軸攪拌機傳動系統(tǒng)的設計【含圖紙】

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摘 要 本次畢業(yè)設計的題目為無軸攪拌機傳動部件的設計。首先對傳統(tǒng)的幾種常見的攪拌 機構(gòu)進行分析、總結(jié)其工作原理及其存在的常見問題。了解目前對其存在的問題的常用 解決方案。熟悉“無軸”攪拌理念，掌握無軸攪拌機的工作原理，然后將其與傳統(tǒng)的攪 拌機進行比較，分析其主要優(yōu)點及可能存在的問題以及解決方案。 其次，這次設計的重點是對其傳動部件的設計計算，我采用的是帶輪加錐齒輪的減 速機構(gòu)，即利用了帶輪的傳動遠距離傳動、大傳動比，又利用了錐齒輪傳動可改變傳動 方向的優(yōu)點。通過設計計算達到了即提高工作效率又能有效地節(jié)約能源的目的。 關鍵詞： 無軸攪拌機 ；傳動部件 ；攪拌機構(gòu) I Abstract The graduation project is the subject of non-transmission parts mixer shaft design. First of all, the traditional institutions in several common mixing analysis, concluding its work principle and the existence of the frequently asked questions. Understand the current problems of its common solutions. Familiar with the non-axis mixing the concept of master-axis mixer without the working principle, and the mixer with the traditional comparison, analysis of their main advantages and potential problems and solutions. Secondly, this is designed to focus on the design of its drive components, I used the bevel gear pulley increases the speed, namely the use of long-distance transmission of drive pulley, the transmission ratio and the use of a bevel gear transmission can change the direction of the advantages of transmission. Achieved through the design of computing that can effectively improve the efficiency and energy savings. Key words: No shaft mixer;Transmission parts ;Stir agencies II 目 錄 摘 要 .......................................................................................................................................III Abstract...................................................................................................................................IV 目 錄 ........................................................................................................................................V 1 緒論.......................................................................................................................................1 1.1 無軸式攪拌機研究發(fā)展現(xiàn)狀........................................................................................1 1.2 攪拌機的各種類型及特點............................................................................................2 1.3 無軸式攪拌機特點........................................................................................................3 1.4 攪拌機的分析及設計任務............................................................................................3 1.4.1 攪拌機常見問題的原因分析.................................................................................3 1.4.2 無軸攪拌的理念.....................................................................................................4 1.4.3 基本設計任務.........................................................................................................5 1.4.4 畢業(yè)設計的目的.....................................................................................................5 1.5 課題研究背景及意義....................................................................................................5 1.5.1 課題研究背景.........................................................................................................5 1.5.2 課題研究意義.........................................................................................................5 2 傳動方案及電動機的選擇...................................................................................................7 2.1 傳動方案的選擇............................................................................................................7 2.2 電動機選擇....................................................................................................................8 3 傳動比的計算與分配...........................................................................................................9 3.1 計算總傳動比................................................................................................................9 3.2 傳動比的分配...............................................................................................................9 4 傳動運動參數(shù)的計算.........................................................................................................11 4.1 各級轉(zhuǎn)速......................................................................................................................11 4.2 各級的輸入功率..........................................................................................................11 4.3 各級轉(zhuǎn)矩......................................................................................................................11 5 V 帶輪傳動的設計計算 ......................................................................................................13 5.1 設計準則......................................................................................................................13 5.2 原始數(shù)據(jù)及設計內(nèi)容..................................................................................................13 5.2.1 原始數(shù)據(jù)：...........................................................................................................13 5.2.2 設計內(nèi)容：...........................................................................................................13 5.3 設計步驟和方法..........................................................................................................13 5.3.1 確定計算功率 .................................................................................................13caP 5.3.2 選擇帶型...............................................................................................................13 5.3.3 確定帶輪的基準直徑 和 ..........................................................................131d2 5.3.4 確定中心距和帶輪的基準長度 ......................................................................14dL III 5.3.5 驗算主動輪上的包角 .....................................................................................141 5.3.6 單根 V 帶傳遞的額定功率 ..................................................................................15 5.3.7 確定帶的根數(shù) Z ...................................................................................................15 5.3.8 確定帶的預緊力 ............................................................................................150F 6 V 帶輪設計 ..........................................................................................................................17 6.1 V 帶輪的設計內(nèi)容 .......................................................................................................17 6.2 設計要求......................................................................................................................17 6.3 帶輪材料的選擇及結(jié)構(gòu)形式......................................................................................17 6.3.1 材料的選擇...........................................................................................................17 6.3.2 結(jié)構(gòu)形式...............................................................................................................17 6.4 V 帶輪的輪槽 ...............................................................................................................17 6.5 V 帶輪傳動的張緊 .......................................................................................................18 7 錐齒輪傳動的設計計算.....................................................................................................19 7.1. 選定精度等級，材料及齒數(shù) .....................................................................................19 7.1.1 齒輪精度等級的選擇............................................................................................19 7.1.2 材料選擇...............................................................................................................19 7.1.3 齒數(shù)選擇...............................................................................................................19 7.2 按齒面接觸強度設計..................................................................................................19 7.2.1 確定公式內(nèi)的各計算數(shù)值...................................................................................20 7.2.2 計算.......................................................................................................................20 7.3 按齒根彎曲強度設計..................................................................................................21 7.3.1 確定公式內(nèi)的各計算數(shù)值...................................................................................21 7.4 幾何尺寸計算..............................................................................................................22 7.4.1 計算分度圓直徑...................................................................................................22 7.4.2 錐距.......................................................................................................................22 7.4.3 計算齒輪寬度.......................................................................................................22 7.4.4 錐齒輪的結(jié)構(gòu)設計...............................................................................................22 8 軸的設計計算.....................................................................................................................25 8.1 I 軸的設計計算（錐齒輪軸） ....................................................................................25 8.1.1 材料.......................................................................................................................25 8.1.2 初定軸的最小直徑...............................................................................................25 8.1.3 根據(jù)軸定位的要求確定軸的各段直徑和長度...................................................25 8.1.4 小錐齒輪的受力分析...........................................................................................26 8.1.5 鍵的校核...............................................................................................................26 8.1.6 I 軸軸承的校核 .....................................................................................................26 8.1.7 軸上載荷的計算...................................................................................................28 8.1.8 按彎扭合成應力校核軸的強度...........................................................................29 IV 8.2 II 軸的設計計算 ...........................................................................................................29 8.2.1 材料.......................................................................................................................29 8.2.2 初定最小直徑.......................................................................................................29 8.2.3 聯(lián)軸器的選擇.......................................................................................................29 8.2.4 根據(jù)軸的定位要求，確定各段直徑和長度.......................................................30 8.2.5 大錐齒輪軸的受力分析.......................................................................................30 8.2.6 鍵的校核...............................................................................................................30 8.2.7 軸承的校核...........................................................................................................30 8.2.8 軸上載荷的計算...................................................................................................32 8.2.9 按彎扭合成應力校核軸的強度...........................................................................33 9 結(jié)論與展望..........................................................................................................................35 致謝.........................................................................................................................................37 參考文獻.................................................................................................................................39