【正文】 速器兩大類(lèi)，兩者的設(shè)計(jì)、制造和使用特點(diǎn)各不相同。s world of reducer are being increasingly applied in various civil and military equipment, on the other hand, people on the reducer requirements with the change of time is also changing, small volume, light weight, low noise, high efficiency, high reliability of the reducer is more influenced by people like love, speed reducer is also facing the high level, high performance continuously in the direction of advance. Keywords: Retarder Torque Transmission parts Bearing 湖北工業(yè)大學(xué)商貿(mào)學(xué)院畢業(yè)設(shè)計(jì) III 目 錄 摘 要 ................................................................. I Abstract .............................................................. II 目 錄 ............................................................... III 引 言 ................................................................. 1 1 設(shè)計(jì)任務(wù)書(shū) .......................................................... 2 設(shè)計(jì)題目 ........................................................ 2 設(shè)計(jì)內(nèi)容 ........................................................ 2 設(shè)計(jì)要求 ........................................................ 2 2 傳動(dòng)裝置的總體方案設(shè)計(jì) .............................................. 3 對(duì)傳動(dòng)方案的要求 ................................................ 3 擬定傳動(dòng)方案 .................................................... 3 選用閉式斜齒圓柱齒輪 ...................................... 3 選用帶傳動(dòng) ................................................ 3 電動(dòng)機(jī)的選擇 .................................................... 3 選擇電動(dòng)機(jī)的類(lèi)型和結(jié)構(gòu)形式 ................................ 3 電動(dòng)機(jī)轉(zhuǎn)速的確定 .......................................... 4 確定電動(dòng)機(jī)的功率和型號(hào) .................................... 4 傳動(dòng)比的分配 .................................................... 6 計(jì)算傳動(dòng)裝置的運(yùn)動(dòng)和動(dòng)力參數(shù) .................................... 6 各軸轉(zhuǎn)速的計(jì)算 ............................................ 6 各軸輸入功率計(jì)算 .......................................... 6 各軸的輸入 轉(zhuǎn)矩?fù)?jù)算 ........................................ 7 3 傳動(dòng)零件的設(shè)計(jì)計(jì)算 .................................................. 8 設(shè)計(jì)Ｖ帶傳動(dòng)的設(shè)計(jì) .............................................. 8 高速級(jí)齒輪傳動(dòng)的設(shè)計(jì)計(jì)算 ....................................... 10 選定高速齒輪類(lèi)型、精度等級(jí)、材料，熱處理及齒數(shù) ........... 10 按齒面接觸疲勞強(qiáng)度初步計(jì)算齒輪參數(shù) ........................ 10 確定傳動(dòng)尺寸 ............................................. 11 校核齒根彎曲強(qiáng)度 ......................................... 12 齒輪結(jié)構(gòu)設(shè)計(jì) ............................................. 13 低速級(jí)齒輪傳動(dòng)的設(shè)計(jì)計(jì)算 ....................................... 14 選定低速齒輪類(lèi)型、精度等級(jí)、材料，熱處理及齒數(shù) ........... 14 按齒面接觸疲勞強(qiáng)度初步計(jì)算 齒輪參數(shù) ....................... 14 確定傳動(dòng)尺寸 ............................................. 15 校核齒根彎曲強(qiáng)度 ......................................... 16 齒輪結(jié)構(gòu)設(shè)計(jì) ............................................. 17 4 軸的設(shè)計(jì) ........................................................... 19 湖北工業(yè)大學(xué)商貿(mào)學(xué)院畢業(yè)設(shè)計(jì) IV 軸的材料選擇和最小直徑估算 ..................................... 19 軸的結(jié)構(gòu)設(shè)計(jì) ................................................... 19 高速軸的結(jié)構(gòu)設(shè)計(jì) ......................................... 19 中間軸的結(jié)構(gòu)設(shè)計(jì) ......................................... 20 低速軸的結(jié)構(gòu)設(shè)計(jì) ......................................... 21 5 軸的校核 ........................................................... 22 軸的力學(xué)模型的建立 ............................................. 22 軸上力的作用點(diǎn)位置和支點(diǎn)跨距的確定 ....................... 22 繪制軸的力學(xué)模型圖 ....................................... 22 計(jì)算中間軸上的作用力 ........................................... 23 計(jì)算支反力 ..................................................... 23 繪轉(zhuǎn)矩、彎矩圖 ................................................. 24 彎扭合成強(qiáng)度校核 ............................................... 25 6 零件的選擇與校核 ................................................... 26 鍵的選擇與校核 ................................................. 26 聯(lián)軸器的選擇 ................................................... 26 7 滾動(dòng)軸承的選擇和校核 ............................................... 27 中間軸滾動(dòng)軸承的選擇 ........................................... 27 滾動(dòng)軸承的校核 ................................................. 27 計(jì)算徑向載荷 ............................................. 27 計(jì)算內(nèi)部軸向力 ........................................... 27 計(jì)算軸承所受的軸向載荷 ................................... 27 計(jì)算當(dāng)量載荷 ............................................. 28 驗(yàn)算軸承壽命 ............................................. 28 8 潤(rùn)滑與密封的設(shè)計(jì) ................................................... 29 潤(rùn)滑設(shè)計(jì) ....................................................... 29 密封設(shè)計(jì) ....................................................... 29 9 箱體的結(jié)構(gòu)設(shè)計(jì) ..................................................... 30 確定箱體的尺寸與形狀 ........................................... 30 合理設(shè)計(jì)肋板 ................................................... 30 合理選擇材料 ................................................... 30 10 減速器附件的結(jié)構(gòu)設(shè)計(jì) .............................................. 32 11 減速器輸出軸加工工藝 .............................................. 33 輸出軸的零件圖和技術(shù)要求 ...................................... 33 輸出軸的加工工藝分析 .......................................... 33 主要加工表面 ................................................ 33 次要加工表面 ............................................ 34 輸出軸加工工藝路線和加工過(guò)程 .................................. 34 輸出軸加工工藝路線 ....................................... 34 湖北工業(yè)大學(xué)商貿(mào)學(xué)院畢業(yè)設(shè)計(jì) V 輸出軸加工過(guò)程 .......................................... 34 檢驗(yàn) 按圖樣技術(shù)要求項(xiàng)目檢查 ................................... 38 選擇機(jī)床與工藝裝備 ...................................... 38 粗車(chē)工序圖 .............................................. 39 半精車(chē)工序圖 ............................................ 39 精車(chē)工序圖 .............................................. 39 粗銑工序圖 .............................................. 40 精銑工序圖 .............................................. 40 粗磨工序圖 .............................................. 40 精磨工序圖 .............................................. 40 結(jié) 束 語(yǔ) .......................................