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河 北 建 筑 工 程 學(xué) 院 本科畢業(yè)設(shè)計(jì)（論文） 題 目 QD10t-31.5m箱形雙梁橋式起重機(jī)起重小車任務(wù)書 學(xué) 科 專 業(yè) 機(jī)械設(shè)計(jì)制造及其自動(dòng)化 班 級(jí) 機(jī)101 姓 名 侯躍龍 指 導(dǎo) 教 師 王占英 任玉燦 輔 導(dǎo) 教 師 目錄 第1章 前言··········································································1 1.1 國內(nèi)外起重機(jī)發(fā)展情況·······················································1 1.2 橋式起重機(jī)定義及特點(diǎn)·······················································4 1.3 實(shí)習(xí)地點(diǎn)及實(shí)習(xí)內(nèi)容··························································4 第2章 總體設(shè)計(jì)···································································4 2.1 概述·············································································5 2.2 傳動(dòng)方案的確定·······························································6 2.3 基本參數(shù)······································································10 第3章 起升機(jī)構(gòu)的設(shè)計(jì)計(jì)算···················································12 3.1 選擇鋼絲繩···································································12 3.2 滑輪和卷筒的計(jì)算···························································13 3.3 計(jì)算靜功率···································································15 3.4 選擇電動(dòng)機(jī)···································································15 3.5 驗(yàn)算電動(dòng)機(jī)的發(fā)熱條件······················································15 3.6 減速機(jī)的初選································································16 3.7 校核減速機(jī)···································································16 3.8 制動(dòng)器的選擇································································17 3.9 聯(lián)動(dòng)器的選擇································································17 3.10 驗(yàn)算起動(dòng)時(shí)間·······························································18 3.11 浮動(dòng)軸強(qiáng)度驗(yàn)算····························································19 第4章 運(yùn)行機(jī)構(gòu)的設(shè)計(jì)計(jì)算···················································21 4.1 確定機(jī)構(gòu)傳動(dòng)方案···························································21 4.2 選擇車輪與軌道并驗(yàn)算其強(qiáng)度··············································21 4.3 運(yùn)行阻力計(jì)算································································23 4.4 選擇電動(dòng)機(jī)···································································24 4.5 驗(yàn)算電動(dòng)機(jī)發(fā)熱條件························································25 4.6 選擇減速器···································································25 4.7 驗(yàn)算運(yùn)行機(jī)構(gòu)和實(shí)際所需功率··············································25 4.8 驗(yàn)算起動(dòng)時(shí)間································································26 4.9 驗(yàn)算起動(dòng)不打滑條件························································27 4.10 制動(dòng)器的選擇·······························································27 4.11 選擇聯(lián)軸器··································································28 4.12 驗(yàn)算低速浮動(dòng)軸強(qiáng)度·······················································29 第5章 零部件的設(shè)計(jì)計(jì)算·····················································31 5.1 滑輪的尺寸計(jì)算與選擇······················································31 5.2吊鉤組的選擇·································································32 5.3 車輪軸的設(shè)計(jì)計(jì)算···························································35第6章 零部件的設(shè)計(jì)計(jì)算·····················································38 6.1 梁Ⅰ···········································································38 6.2 梁Ⅱ···········································································40 6.3 梁Ⅲ···········································································42 6.4 梁Ⅵ···········································································44 6.5 梁Ⅴ···········································································48 第7章 畢業(yè)設(shè)計(jì)小節(jié)····························································53 參考文獻(xiàn)············································································54 附：英文原文 英文譯文 畢業(yè)實(shí)習(xí)報(bào)告