【正文】 矩圖 ...............................................................................................48 5 滾動(dòng)軸承的選擇和計(jì)算 ......................................... 58 行星輪軸承 ............................................................................................... 58 第一組 .................................................................................................................................58 第二組 .................................................................................................................................59 第三組 .................................................................................................................................60 其它軸承 ................................................................................................... 60 6 鍵的選擇和計(jì)算 ............................................... 62 高速軸 ....................................................................................................... 62 低速軸 ....................................................................................................... 62 7 液壓系統(tǒng)設(shè)計(jì) ................................................. 64 中國礦業(yè)大學(xué) 2021 屆本科生畢業(yè)設(shè)計(jì) 第 4 頁 液壓系統(tǒng)方案設(shè)計(jì) .................................................................................. 64 確定回路方式 ....................................................................................................................64 選用液壓油液 ....................................................................................................................64 初定系統(tǒng)壓力 ....................................................................................................................64 選擇執(zhí)行元件 ....................................................................................................................64 確定液壓泵類型 ................................................................................................................65 選擇換向回路 ....................................................................................................................65 繪制液壓系統(tǒng)原理圖 ........................................................................................................65 液壓泵的選擇 .......................................................................................... 66 液壓泵的選擇 ....................................................................................................................66 電動(dòng)機(jī)的功率計(jì)算 ............................................................................................................67 電動(dòng)機(jī)的安裝形式 ............................................................................................................67 液壓控制元件和裝置的選擇 .................................................................. 68 液壓元件的選取 ................................................................................................................68 液壓輔助元件選擇與設(shè)計(jì) ..............................................................................................69 油箱的設(shè)計(jì)和計(jì)算 ............................................................................................................71 液壓泵組的連接和安裝方式 ...........................................................................................74 閥塊的設(shè)計(jì) .............................................................................................. 75 設(shè)計(jì)閥塊時(shí)應(yīng)注意以下幾點(diǎn) ..........................................................................................75 液壓閥塊的結(jié)構(gòu) ...............................................................................................................75 液壓閥塊設(shè)計(jì) ...................................................................................................................76 液壓系統(tǒng)的調(diào)試 ...................................................................................... 78 液壓系統(tǒng)的合理使用 .............................................................................. 79 液壓系統(tǒng)的電氣控制 .............................................................................. 81 PLC 設(shè)計(jì) ................................................................................................... 81 8 絞車使用說明 ................................................. 82 絞車裝配注意事項(xiàng) ................................................................................... 82 試運(yùn)轉(zhuǎn) ....................................................................................................... 82 空負(fù)荷試運(yùn)轉(zhuǎn) ....................................................................................................................82 負(fù)荷試運(yùn)轉(zhuǎn) ........................................................................................................................82 絞車的檢修 ............................................................................................... 82 小修 .....................................................................................................................................82 中修 ................................................................................................................................82 大修 .....................................................................................................................................83 9 小結(jié) ......................................................... 84 參考文獻(xiàn) ....................................................... 85 致 謝 ......................................................... 97 中國礦業(yè)大學(xué) 2021 屆本科生畢業(yè)設(shè)計(jì) 第 5 頁 摘 要 無極繩運(yùn)輸絞車是一種新型的礦山輔助運(yùn)輸設(shè)備。 關(guān)鍵詞 ：運(yùn)輸絞車；無極繩牽引； 軟啟動(dòng)； 制動(dòng)；設(shè)計(jì) 中國礦業(yè)大學(xué) 2021 屆本科生畢業(yè)設(shè)計(jì) 第 6 頁 ABSTRACT Endlessrope transportation winch is a new kind of mining auxiliary conveying equipment. The serial winch products are suitable to move coal mining equipments in positive excavating working place. And they could be also used to release upper plate and withdraw the props in the working place ,convey la