【正文】 ............................................................... 1 型煤機(jī)械在工業(yè)型煤技術(shù)的重要地位 ............................................................. 1 工業(yè)型煤的發(fā)展歷史 ..................................................................................... 1 國(guó)內(nèi)工業(yè)型煤的發(fā)展?fàn)?況 .............................................................................. 1 國(guó)外工業(yè)型煤的發(fā)展?fàn)顩r .............................................................................. 2 工業(yè)型煤成型機(jī)工作機(jī)理 .............................................................................. 3 影響型煤的成型因素 ..................................................................................... 5 型煤對(duì)輥成型機(jī) 的成型壓力 ................................................................. 5 煤料粒度、給配對(duì)煤料成型帶來的影響 ............................................... 5 物料的水分在成型過程中的影響 .......................................................... 6 物料的成型特性在成型過程中的影響 ................................................... 7 2 型輥的計(jì)算 ............................................................................................................ 7 確定傳動(dòng)方案 ................................................................................................ 7 對(duì)輥成型機(jī)的主要參數(shù)及設(shè)計(jì)要求 ................................................................ 7 輥?zhàn)拥膶挾扔?jì)算 ............................................................................................ 8 型球的分布 ................................................................................................... 8 輥?zhàn)拥拈L(zhǎng)度計(jì)算 ............................................................................................ 8 對(duì)輥成型機(jī)電動(dòng)機(jī)的選擇 .............................................................................. 9 傳動(dòng)比的分配與計(jì)算 ..................................................................................... 9 各級(jí)軸的參數(shù)計(jì)算 ....................................................................................... 10 3 V 帶的計(jì)算 ........................................................................................................... 12 確定 V 帶型號(hào) ............................................................................................. 12 確定帶輪基準(zhǔn)直徑 1D 、 2D ....................................................................... 12 驗(yàn)算 V 帶速度 ? ......................................................................................... 12 確定 V 帶長(zhǎng)度 L 及中心距 a........................................................................ 12 驗(yàn)算小 帶輪包角 1? .................................................................................... 13 計(jì)算單根 V 帶的拉力 LF ............................................................................. 13 軸上的力的計(jì)算 ZF ..................................................................................... 14 4 減速器齒輪的設(shè)計(jì)計(jì)算 ........................................................................................ 14 第一對(duì)嚙合齒輪的計(jì)算 ................................................................................ 14 選擇齒輪材料 .................................................................................... 14 齒根彎曲疲勞強(qiáng)度的計(jì)算及校核 ........................................................ 17 齒輪主要尺寸的設(shè)計(jì)計(jì)算 .................................................................. 18 第二對(duì)嚙合齒輪的計(jì)算 ................................................................................ 19 選擇齒輪材料 .................................................................................... 19 齒面接觸疲 勞強(qiáng)度的計(jì)算 .................................................................. 19 齒根彎曲疲勞強(qiáng)度的計(jì)算及校核 ........................................................ 22 齒輪主要尺寸的設(shè)計(jì)計(jì)算 .................................................................. 24 第三對(duì)嚙合齒輪的計(jì)算 ................................................................................ 25 選擇齒輪材料 .................................................................................... 25 齒面接觸疲勞強(qiáng)度的計(jì)算 .................................................................. 25 齒根彎曲疲勞強(qiáng)度的計(jì)算及校核 ........................................................ 28 齒輪主要尺寸的設(shè)計(jì)計(jì)算 .................................................................. 29 第四對(duì)嚙合齒輪的計(jì)算 ................................................................................ 30 選擇齒輪材料 .................................................................................... 30 齒面接觸疲勞強(qiáng)度的計(jì)算 .................................................................. 30 齒根彎曲疲勞強(qiáng)度的計(jì)算及校核 ........................................................ 33 齒輪主要尺寸的設(shè)計(jì)計(jì)算 .................................................................. 34 5 減速器軸的設(shè)計(jì)計(jì)算 ............................................................................................ 35 I 號(hào)軸的計(jì)算 ............................................................................................... 35 初步估算 I 號(hào)軸的最小直徑 mind ....................................................... 35 軸的結(jié)構(gòu)設(shè)計(jì) .................................................................................... 36 軸的強(qiáng)度校核 .................................................................................... 37 II 號(hào)軸的計(jì)算 .............................................................................................. 39 初步估算 II 號(hào)軸的最小直徑 mind ...................................................... 39 軸的結(jié)構(gòu)設(shè)計(jì) ................................................................................... 39 軸的強(qiáng)度校核 ................................................................................... 40 III 號(hào)軸的計(jì)算 ............................................................................................. 42 初步估算 III 號(hào)軸的最小直徑 mind ...................................................... 42 軸的結(jié)構(gòu)設(shè)計(jì) ................................................................................... 43 軸的強(qiáng)度校核 ................................................................................... 44 IV 號(hào)軸的計(jì)算 ............................................................................................. 45 初步估算 IV號(hào)軸的最小直徑 mind ...............