【正文】 ..................................................................... 25 滾筒筒體強(qiáng)度的校核 ..................................................................... 25 傳動(dòng)滾筒軸的設(shè)計(jì)計(jì)算 ................................................................. 27 按彎扭合成應(yīng)力校核軸的強(qiáng)度 ..................................................... 30 液壓拉緊裝置的元件選擇和計(jì)算 .............................................................. 31 拉緊力和拉緊行程計(jì)算 ................................................................. 31 液壓回路設(shè)計(jì)和工作過(guò)程分析 ..................................................... 32 各元件的確定 ................................................................................. 33 液壓油的確定 ................................................................................. 34 液壓泵的選擇及計(jì)算 ..................................................................... 34 電動(dòng)機(jī)的確定 ................................................................................. 35 第 4 章 輸送機(jī)主要部件設(shè)計(jì) ....................................... 36 電機(jī)的選用 ................................................................................................. 36 減速器的選用 ............................................................................................. 37 液力耦合器與聯(lián)軸器的選用 ..................................................................... 37 制動(dòng)及逆止裝置 ......................................................................................... 38 托輥 ............................................................................................................. 39 托輥的作用與類(lèi)型 ......................................................................... 39 托輥的計(jì)算 ..................................................................................... 40 托輥的額定負(fù)荷 ............................................................................. 42 改向滾筒 ..................................................................................................... 44 輸送帶的選擇 ............................................................................................. 45 儲(chǔ)帶倉(cāng)結(jié)構(gòu)設(shè)計(jì) ......................................................................................... 45 拉緊裝置 ..................................................................................................... 46 張緊裝置在使用中應(yīng)滿(mǎn)足的要求 ................................................. 46 拉緊裝置的種類(lèi) ............................................................................. 46 拉緊裝置的選用 ............................................................................. 47 支架類(lèi)裝置 ............................................................................................... 48 III 頭架 .................................................................................................. 48 中間架 .............................................................................................. 49 清掃裝置 ................................................................................................. 49 結(jié) 論 ............................................................. 51 致謝 ............................................................. 52 參考文獻(xiàn) ......................................................... 53 IV CONTENTS Abstract ....................................................................................................................... I Chapter 1 INTRODUCTION................................................................................... 1 The purpose and significance of topics ........................................................ 1 Status and trend of domestic and foreign Belt ............................................... 1 Classification and characteristics of belt conveyor ........................................ 3 Extensible Belt in the working principle and application ............................ 4 Chapter 2 Extensible Belt Demonstration program .............................................. 6 Cylinder to determine ..................................................................................... 6 The flexible belt conveyor drive portfolio ..................................................... 7 Tensioning device program to determine ....................................................... 7 Chapter 3 Calculation of transmission part of the design ..................................... 9 Retractable belt conveyor system................................................................... 9 Extensible Belt and working conditions of the original parameters .......... 10 Determination of the bandwidth......................................................... 10 Accounting conveyor belt width ........................................................ 12 Circle drive ................................................................................................... 13 Formula .............................................................................................. 13 Calculation of the main resistance ..................................................... 14 Calculation of the main special resistance ......................................... 16 Additional special resistance calculation............................................ 17 Calculation of tilt resistance ............................................................... 18 Calculation of transmission power ............................................................... 19 Shaft power calculation ...................................................................... 19 Motor power calculation .................................................................... 19 Calculation of belt tension ........................................................................... 20 Check of belt sag degree .................................................................... 20 Conveyor belt does not slip conditions .............................................. 21 Calculation of driving drum .............