【正文】 ............................................................................. II 第 1章 緒論 ....................................................................................................................... 1 概述 .............................................................................................................................. 1 相關(guān)技術(shù)的現(xiàn)狀和發(fā)展趨勢(shì) ...................................................................................... 1 設(shè)計(jì)的主要內(nèi)容 .......................................................................................................... 3 第 2章 總體方案設(shè)計(jì)分析 ........................................................................................... 4 方案確定 ...................................................................................................................... 4 外形尺寸確定 .............................................................................................................. 5 三類底盤的選擇 .......................................................................................................... 6 本章小結(jié) ...................................................................................................................... 6 第 3章 工作機(jī)構(gòu)設(shè)計(jì) ..................................................................................................... 8 確定尺寸及材料 .......................................................................................................... 8 受力分析 .................................................................................................................... 10 本章小結(jié) .................................................................................................................... 16 第 4章 輔助機(jī)構(gòu)設(shè)計(jì) ................................................................................................... 16 回轉(zhuǎn)機(jī)構(gòu)簡(jiǎn)介 ............................................................................................................ 17 支腿機(jī)構(gòu)設(shè)計(jì)計(jì)算 .................................................................................................... 17 支腿跨距的確定 ................................................................................................. 17 最大載荷時(shí)支腿力的計(jì)算 ................................................................................. 20 撐腳接地面積確定 ............................................................................................. 21 取力器布置方案及基本參數(shù)選擇 ............................................................................ 21 本章小結(jié) .................................................................................................................... 22 第 5章 液壓系統(tǒng)設(shè)計(jì) ................................................................................................... 23 主要機(jī)構(gòu)液壓回路的設(shè)計(jì)與分析 ............................................................................ 23 變幅回路 ............................................................................................................. 23 回轉(zhuǎn)機(jī)構(gòu) ............................................................................................................. 24 主要液壓元器件的選擇計(jì)算 .................................................................................... 26 驅(qū)動(dòng)液壓缸的計(jì)算確定 ..................................................................................... 26 液壓泵的選型計(jì)算 ............................................................................................. 31 液壓控制閥的選用 ............................................................................................. 33 油箱容積與管路內(nèi)徑計(jì)算 ................................................................................. 34 管路內(nèi)徑計(jì)算 ..................................................................................................... 35 液壓油的選用 ..................................................................................................... 36 本章 小結(jié) .................................................................................................................... 36 第 6章 整車性能計(jì)算分析 ......................................................................................... 37 動(dòng)力性計(jì)算 ................................................................................................................ 37 高空作業(yè)車汽車變速器速比 .................................................................................... 37 發(fā)動(dòng)機(jī)外特性 ..................................................................................................... 37 汽車的行駛方程式 ............................................................................................. 39 動(dòng)力性評(píng)價(jià)指標(biāo)的計(jì)算 ..................................................................................... 40 燃油經(jīng)濟(jì)性計(jì)算 ........................................................................................................ 44 穩(wěn)定性計(jì)算 ................................................................................................................ 45 本章小結(jié) .................................................................................................................... 45 結(jié)論 ...................................................................................................................................... 46 參考文獻(xiàn) ............................................................................................................................ 47 致謝 ...................................................................................................................................... 48 附錄 ........................................................................................................ 錯(cuò)誤 !未定義書簽。 設(shè)計(jì)依據(jù)國(guó)家標(biāo)準(zhǔn)和機(jī)械行業(yè)標(biāo)準(zhǔn)，通過(guò)查閱機(jī)械設(shè)計(jì)手冊(cè)等書籍，利用相關(guān)計(jì)算公式和材料信息，系統(tǒng)的對(duì)機(jī)構(gòu)進(jìn)行了強(qiáng)度校核，驗(yàn)證了設(shè)計(jì)的合理性，確定了各零件的使用材料、外形尺寸和加工方法，并完成了整體構(gòu)架的裝配方案，使機(jī)構(gòu)能夠?qū)崿F(xiàn)最大舉升達(dá) 。s Degree The top digit lifting street light maintenance vehicle reequips the design of GTK13 （ chassis， hydraulic pressure part） Candidate： Specialty： Vehicle Engineering Class： B076 Supervisor： Prof. Heilongjiang Institute of Technology I 摘 要 在人們生活水平日益