【正文】 ............................................................................................................................ 88 主液壓泵站選型設(shè)計 ......................................................................................................................... 88 系統(tǒng)主要執(zhí)行元件最大工作情況匯總 ................................................................................. 88 主泵組驅(qū)動電機(jī)選型計算 ..................................................................................................... 88 主泵組液壓泵選型計算 ......................................................................................................... 90 應(yīng)急備用泵組選型設(shè)計 ..................................................................................................................... 91 應(yīng)急備用泵驅(qū)動電機(jī)選型 ..................................................................................................... 91 應(yīng)急備用泵選型計算 ............................................................................................................. 91 液壓泵控制形式 ................................................................................................................................. 92 液壓油箱及其附件選型 ..................................................................................................................... 92 液壓油箱容積計算 ................................................................................................................. 92 油箱附件 ................................................................................................................................. 92 循環(huán)過濾冷卻泵組 ................................................................................................................. 92 CVG 主控制閥塊 ................................................................................................................................. 93 進(jìn)油模塊 ................................................................................................................................. 93 控制模塊 ................................................................................................................................ 93 尾部模塊 ................................................................................................................................ 94 回轉(zhuǎn)馬達(dá)平衡安全閥塊 ......................................................................................................... 94 主變幅油缸平衡安全閥塊 .................................................................................................... 94 副變幅油缸平衡安全閥塊 .................................................................................................... 94 主起升馬達(dá)平衡安全閥塊 ..................................................................................................... 95 副起升馬達(dá)平衡安全閥塊 ..................................................................................................... 95 應(yīng)急釋放回路 ......................................................................................................................... 96 第 4 章 結(jié)構(gòu)設(shè)計 ............................................................................................................................................ 97 臂架結(jié)構(gòu)設(shè)計 ..................................................................................................................................... 97 計算標(biāo)準(zhǔn) ................................................................................................................................. 97 計算工況 ................................................................................................................................ 97 計算載荷 ................................................................................................................................ 98 計算結(jié)果 ............................................................................................................................... 101 主起升機(jī)構(gòu)平臺計算 .......................................................................................................................119 計算標(biāo)準(zhǔn) ...............................................................................................................................119 計算載荷 ...............................................................................................................................119 計算工況 ...............................................................................................................................119 計算模型 ...............................................................................................................................119 材料及許用應(yīng)力 .................................................................................................................. 120 計算結(jié)果 .............................................................................................................................. 121 與平臺撐桿連接銷軸校核 .................................................................................................. 124 銷軸耳板校核 ...................................................................................................................... 125 轉(zhuǎn)臺與機(jī)房總成結(jié)構(gòu)計算 .............................................................................................................. 126 計算標(biāo)準(zhǔn) .............................................................................................................................. 126 計算載荷 .............................................................................................................................. 126 計算工況 .............................................................................................................................. 126 計算模型 .............................................................................................................................. 131 材料及許用應(yīng)力 .................................................................................................................. 132 計算結(jié)果 ..........................................................................................