【正文】 ............... I 第 1 章 緒論 ....................................................................................................... 0 選題意義 .................................................................................................. 0 刮板輸送機(jī)概述 ...................................................................................... 0 國內(nèi)外發(fā)展情況 ...................................................................................... 1 我國刮板輸送機(jī)發(fā)展現(xiàn)狀 ........................................................... 1 國外刮板輸送機(jī)發(fā)展概況 ........................................................... 3 刮板輸送機(jī)的發(fā)展趨勢(shì) .......................................................................... 3 刮板輸送機(jī)改進(jìn) ...................................................................................... 4 刮板輸送機(jī)的主要問題 ............................................................... 4 刮板輸送機(jī)的改進(jìn) ....................................................................... 4 第 2 章 刮板輸送機(jī)分類及作用 ....................................................................... 6 刮板輸送機(jī)的分類 .................................................................................. 6 按刮板鏈的形式分類 ................................................................... 6 按卸載方式分類 ........................................................................... 7 按中部槽結(jié)構(gòu)分類 ....................................................................... 8 按采煤機(jī)牽引方式分類 ............................................................... 9 刮板輸送機(jī)作用 ...................................................................................... 9 第 3 章 刮板輸送機(jī)組成及作用 ..................................................................... 11 組成部分 ................................................................................................ 11 機(jī)頭傳動(dòng)部和機(jī)尾傳動(dòng)部 .................................................................... 12 機(jī)頭部和機(jī)尾部結(jié)構(gòu) ................................................................. 12 減速器 ......................................................................................... 13 減速器聯(lián)接盤 ............................................................................. 14 緊鏈器（閘盤式）及緊鏈裝置 ................................................. 14 電動(dòng)機(jī)聯(lián)接盤 ............................................................................. 17 機(jī)身結(jié)構(gòu) ................................................................................................ 17 過渡槽 .................................................................................................... 18 III 機(jī)頭過渡槽 ................................................................................. 18 機(jī)尾過渡槽 ................................................................................. 18 中部槽、調(diào)節(jié)槽 .................................................................................... 19 中部槽 ......................................................................................... 19 調(diào)節(jié)槽 ......................................................................................... 20 刮板鏈及調(diào)節(jié)鏈 .................................................................................... 20 擋板 ........................................................................................................ 22 標(biāo)準(zhǔn)擋板 ..................................................................................... 22 調(diào)節(jié)擋板 ..................................................................................... 22 過渡槽擋板 ................................................................................. 22 機(jī)頭（機(jī)尾）架擋板 ................................................................. 23 鏟煤板 .................................................................................................... 23 機(jī)頭推移部和機(jī)尾推移部 .................................................................... 23 第 4 章 刮板輸送機(jī)設(shè)計(jì)計(jì)算 ......................................................................... 25 刮板輸送機(jī)輸送能力的計(jì)算 ................................................................ 25 工作面刮板輸送機(jī)的輸送生產(chǎn)能力計(jì)算 ................................. 25 溜槽上物料斷面積 A 計(jì)算 ......................................................... 25 刮板輸送機(jī)上的物料斷面面積的計(jì)算 ..................................... 26 刮板輸送機(jī)水平彎曲段幾何參數(shù)的計(jì)算 ............................................ 26 彎曲段曲率半徑 R 的計(jì)算 ......................................................... 27 彎曲段長(zhǎng)度 Lw 的計(jì)算 ............................................................... 27 彎曲段對(duì)應(yīng)的中心角 α0 的計(jì)算 ................................................ 28 彎曲段的溜槽數(shù) N 的計(jì)算 ......................................................... 28 刮板輸送機(jī)運(yùn)行阻力的計(jì)算 ................................................................ 29 刮板輸送機(jī)每米長(zhǎng)度物料質(zhì)量 q 的計(jì)算 ................................. 29 刮板鏈條每米長(zhǎng)度質(zhì)量 q0 的計(jì)算 ............................................ 29 刮板輸送機(jī)有載分支的基本運(yùn)行阻力 Wzh 的計(jì)算 .................. 30 刮板輸送機(jī)無載分支的基本運(yùn)行阻力 WK 的計(jì)算 ................... 31 刮板輸送機(jī)彎曲時(shí)有載分支運(yùn)行阻力 zhW? 和無載分支運(yùn)行阻力KW? 的計(jì)算 ............................................................................................ 31 刮板輸送機(jī)運(yùn)行總阻力 W 的計(jì)算 ............................................ 31 刮板輸送機(jī)鏈條張力和牽引力的計(jì)算 ................................................ 32 IV 計(jì)算各特殊點(diǎn)的張力 ................................................................. 32 刮板輸送機(jī)兩端鏈輪總牽引力 ................................................. 33 刮板輸送機(jī)電機(jī)功率的計(jì)算 ................................................................ 34 刮板輸送機(jī)滿載運(yùn)行時(shí)，電機(jī)功率 P 的計(jì)算 ......................... 34 單向割煤采煤工作面刮板輸送機(jī)電機(jī)功率 Ps 的計(jì)算 ............ 34 鏈條預(yù)張力和緊鏈力的計(jì)算 ................................................................ 35 鏈條預(yù)張力 ................................................................................. 35 鏈條緊鏈力 ................................................................................. 35 刮板輸送機(jī)牽引機(jī)構(gòu)強(qiáng)度的驗(yàn)算 ........................................................ 36 第 5 章 刮板輸送機(jī)的使用與維護(hù) .................................................................