汽車起重機的舉升機構(gòu)的設計【優(yōu)秀課程畢業(yè)設計含5張CAD圖紙+帶任務書+開題報告+文獻綜述+外文翻譯】
汽車起重機起升機構(gòu)和液壓系統(tǒng)的設計
摘要
本設計介紹了汽車液壓起重機的工作原理，并詳細介紹了起升機構(gòu)設計計算的全過程，其中包括起升機構(gòu)的工作原理，參數(shù)確定，結(jié)構(gòu)設計等。該設計汽車起重機的起升機構(gòu)采用定量高速液壓馬達，減速器，制動器，聯(lián)軸器及卷筒組成。根據(jù)液壓系統(tǒng)的技術(shù)指標對該系統(tǒng)進行整體方案設計，對其功能和工作原理進行分析，初步確定了系統(tǒng)各回路的基本結(jié)構(gòu)及主要元件，按照所給機構(gòu)性能參數(shù)和液壓性能參數(shù)進行元件的選擇計算，以滿足該起重機所要達到的要求。
關(guān)鍵詞：汽車起重機；起升機構(gòu)；液壓系統(tǒng)；設計
Design of hoisting mechanism and hydraulic
system for truck crane
ABSTRACT
The design introduce the principle of the Automobile Hydraulic cranes, and details calculation of the entire process on the lifting body design , including lifting the principle and parameters, structural design. The design of the truck crane from the use of quantitative motor and institutions, reducers, brakes, couplings and reel components. According to the hydraulic system of technical indicators of the overall system design, its functions and working principles for analysis, determined the loop system and the basic structure of the main components, according to the agency by the performance parameters and performance parameters of hydraulic components the choice of terms, for the crane achieve the requirements.
Key words:Truck crane；Lifting mechanism；
Hydraulic system；Design
目錄
摘要···································································································Ⅰ
ABSTRACT·······················································································Ⅱ
前言·····································································································1
1汽車起重機的類型與結(jié)構(gòu)·································································2
1.1汽車起重機的分類·········································································2
1.2汽車起重機的結(jié)構(gòu)及舉升機構(gòu)的特點············································2
1.3汽車起重機液壓系統(tǒng)的構(gòu)成形式···················································3
1.4 汽車起重機的發(fā)展狀況·································································4
2汽車起重機舉升機構(gòu)設計·································································6
2.1確定舉升機構(gòu)傳動方案··································································6
2.2舉升機構(gòu)的設計計算······································································6
2.2.1鋼絲繩的選擇················································································6
2.2.2卷筒的設計計算············································································7
2.2.3滑輪的選用··················································································11
2.2.4吊鉤的選用··················································································13
2.2.5液壓馬達的選擇···········································································14
2.2.6液壓泵的選擇··············································································15
2.2.7減速器的選擇··············································································17
2.2.8制動器的選擇··············································································18
2.2.9 聯(lián)軸器的選擇·············································································20
3液壓系統(tǒng)的設計··············································································20
3.1 液壓系統(tǒng)主要組成······································································20
3.2 舉升機構(gòu)的液壓回路··································································21
3.3變幅機構(gòu)液壓回路········································································22
3.4 回轉(zhuǎn)機構(gòu)液壓回路······································································23
3.5吊臂伸縮機構(gòu)液壓回路································································23
3.6支腿液壓回路···············································································24
4總結(jié)·································································································26
致謝···································································································27
參考文獻····························································································28
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舉升機構(gòu)裝配圖.dwg
卷筒組裝配圖.dwg
卷筒軸.dwg
圖紙匯總.dwg
外文翻譯.doc
摘要.doc
文件清單.txt
汽車起重機舉升機構(gòu)的設計任務書.doc
汽車起重機的舉升機構(gòu)的設計開題報告.doc
汽車起重機的舉升機構(gòu)的設計文獻綜述.doc
汽車起重機的舉升機構(gòu)的設計說明書.doc
汽車起重機的舉升機構(gòu)設計
液壓系統(tǒng)圖.dwg
滑輪吊鉤組.dwg
目錄.doc
1 開題報告 學生姓名 專 業(yè) 班 級 指導教師姓名 職 稱 工作單位 北華航天工業(yè)學院 課題來源 橫向項目 課題性質(zhì) 結(jié)構(gòu)設計類 課題名稱 汽車 起重 機 舉升機構(gòu)設計 本設計的科學依據(jù) （科學意義和應用前景，國內(nèi)外研究概況，目前技術(shù)現(xiàn)狀、水平和發(fā)展趨勢等） 主要和最基本的機構(gòu)。本設計采用液壓起升機構(gòu)。油馬達經(jīng)過減速后驅(qū)動滾筒旋轉(zhuǎn) ， 使鋼絲繩繞進卷筒或由卷筒放出 ， 從而使吊鉤升降。卷筒的正反向轉(zhuǎn)動是通過改變馬達的轉(zhuǎn)向達到的而機構(gòu)運動的停止或使 貨物保持在懸吊狀態(tài)是依靠棘輪停止器來實現(xiàn)的。舉升機構(gòu)包括了吊具 、 卷筒 、 減速器 、 制動器 、 電機等多方面 。 設計內(nèi)容和預期成果 （具體設計內(nèi)容和重點解決的技術(shù)問題、預期成果和提供的 形式） 總體設計要求及技術(shù)要點： 本文主要研究設計隨車起重運輸車舉升機構(gòu) ， 對舉升機構(gòu)的組成和工作原理進行簡單闡述。主要針對卷筒和減速器做詳細的設計計算和強度校核 ， 對于其他部件進行簡單設計和選用。 擬采取設計方法和技術(shù)支持 （設計方案、技術(shù)要求、實驗方法和步驟、可能遇到的問題和解決辦法等） 隨車起重機是安放在載貨汽車上的 一種附加起重設備。它屬于臂架型起重機 ， 其運行支承裝置采用氣輪胎 ， 可以在無軌路面上行走。與其他起重機相比 ， 隨車起重機把起重和運輸功能結(jié)合起來 ， 不僅節(jié)省勞動力 ， 而且節(jié)約能源、減少費用 ， 也由于設計和制造隨車起重機的技術(shù)進步 ， 使其生產(chǎn)有了較大的發(fā)展。 舉升機構(gòu)用于實現(xiàn)貨物的升降 ， 它是任何起重機不可缺少的部是起重機中最重要與基本的部分。其工作的好壞 ， 直接影響到整臺機構(gòu)的工作性能。 2 實現(xiàn)本項目預期目標和已具備的條件 （包括過去 學習、研究工作基礎(chǔ)，現(xiàn)有主要儀器設備、設計環(huán)境及協(xié)作條 件等） 工作內(nèi)容及最終成果 ： 繪制工程圖紙 4 張 ， 裝配圖 2 張 ， 1 零件圖 2 張 。 寫設計計算說明 1 份 ， 翻譯相關(guān)外文文獻 1 篇 各環(huán)節(jié)擬定階段性工作進度 (以周為單位 ) 第 1 周 — 第 2 ,收集資料 ,撰寫實習報告。 第 3 第 4 周 — 第 5 舉 升機構(gòu)的基本參數(shù)計算。 第 6 周 — 第 7 。 第 8 周 — 第 9 第 10 周 — 第 11 第 12 周 — 第 13 第 14 第 15 周 — 第 16 第 17 第 18 第 19 3 開 題 報 告 審 定 紀 要 時 間 地點 主持人 參 會 教 師 姓 名 職 務（職 稱） 姓 名 職 務（職 稱） 論 證 情 況 摘 要 記錄人： 指 導 教 師 意 見 指導教師簽名： 年 月 日 教 研 室 意 見 教研室主任簽名： 年 月 日