汽車(chē)起重機(jī)液壓系統(tǒng)系優(yōu)化方案畢業(yè)論文(已修改)
2025-05-07 12:18 本頁(yè)面
【正文】 目 錄摘 要 ..................................................................................................................................................................I英文摘要 .........................................................................................................................................................II1 緒 論 ..........................................................................................................................................................1 選題目的的理論價(jià)值和現(xiàn)實(shí)意義 .................................................................................1 液壓故障診斷的現(xiàn)況和發(fā)展趨勢(shì) .................................................................................1 國(guó)外液壓故障診斷的現(xiàn)況和發(fā)展趨勢(shì) ....................................................................1 國(guó)外液壓故障診斷的現(xiàn)況和發(fā)展趨勢(shì) ....................................................................2 現(xiàn)有主要主要故障分析法 .............................................................................................22 汽車(chē)式起重機(jī)支腿結(jié)構(gòu)及液壓系統(tǒng) .................................................................................................4 汽車(chē)起重機(jī)支腿結(jié)構(gòu) .....................................................................................................4 汽車(chē)起重機(jī)支腿液壓系統(tǒng) .............................................................................................6 汽車(chē)起重機(jī)支腿液壓系統(tǒng)分析 ................................................................................6 汽車(chē)起重機(jī)支腿液壓系統(tǒng)優(yōu)化方案 ........................................................................73 故障分析法原理 .......................................................................................................................................9 故障樹(shù)分析法概述 .........................................................................................................9 故障樹(shù)的建立 .................................................................................................................9 FTA 的符號(hào)及其運(yùn)算 ...............................................................................................9 FTA 方法步驟及程序 .............................................................................................114 基于故障樹(shù)對(duì)汽車(chē)起重機(jī)支腿液壓系統(tǒng)故障分析 ..................................................................13 汽車(chē)起重機(jī)支腿液壓系統(tǒng)故障分析 ...........................................................................13 汽車(chē)起重機(jī)支腿液壓系統(tǒng)故障樹(shù)分析 .......................................................................13 建立故障樹(shù) ..............................................................................................................13 定性分析 ..................................................................................................................15 故障排除分析 ..............................................................................................................17 總結(jié) ...............................................................................................................................18致 謝 .............................................................................................................................................................19參考文獻(xiàn) ........................................................................................................................................................20摘 要本文在對(duì)汽車(chē)起重機(jī)支腿功能、組成、工作特點(diǎn)和液壓系統(tǒng)進(jìn)行分析的基礎(chǔ)上，對(duì)汽車(chē)起重機(jī)液壓系統(tǒng)系提出優(yōu)化方案。在優(yōu)化支腿液壓系統(tǒng)過(guò)程中，對(duì)支腿液壓回路進(jìn)行典型工況分析，確定了液壓系統(tǒng)要求，并結(jié)合優(yōu)化思路擬定液壓系統(tǒng)原理圖。同時(shí)對(duì)支腿液壓系統(tǒng)常見(jiàn)故障分析，利用故障樹(shù)分析法、圖表法，對(duì)汽車(chē)起重機(jī)支腿液壓故障進(jìn)行診斷分析。并結(jié)合實(shí)例“支腿不動(dòng)作”典型故障進(jìn)行了定性分析，利用故障樹(shù)根據(jù)故障現(xiàn)象分析其發(fā)生原因，為汽車(chē)起重機(jī)液壓系統(tǒng)故障的診斷、
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