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河 北 建 筑 工 程 學 院 本科畢業(yè)設計（論文） 題 目 QD10t-31.5m箱形雙梁橋式起重機起重小車任務書 學 科 專 業(yè) 機械設計制造及其自動化 班 級 機101 姓 名 侯躍龍 指 導 教 師 王占英 任玉燦 輔 導 教 師 目錄 第1章 前言··········································································1 1.1 國內(nèi)外起重機發(fā)展情況·······················································1 1.2 橋式起重機定義及特點·······················································4 1.3 實習地點及實習內(nèi)容··························································4 第2章 總體設計···································································4 2.1 概述·············································································5 2.2 傳動方案的確定·······························································6 2.3 基本參數(shù)······································································10 第3章 起升機構的設計計算···················································12 3.1 選擇鋼絲繩···································································12 3.2 滑輪和卷筒的計算···························································13 3.3 計算靜功率···································································15 3.4 選擇電動機···································································15 3.5 驗算電動機的發(fā)熱條件······················································15 3.6 減速機的初選································································16 3.7 校核減速機···································································16 3.8 制動器的選擇································································17 3.9 聯(lián)動器的選擇································································17 3.10 驗算起動時間·······························································18 3.11 浮動軸強度驗算····························································19 第4章 運行機構的設計計算···················································21 4.1 確定機構傳動方案···························································21 4.2 選擇車輪與軌道并驗算其強度··············································21 4.3 運行阻力計算································································23 4.4 選擇電動機···································································24 4.5 驗算電動機發(fā)熱條件························································25 4.6 選擇減速器···································································25 4.7 驗算運行機構和實際所需功率··············································25 4.8 驗算起動時間································································26 4.9 驗算起動不打滑條件························································27 4.10 制動器的選擇·······························································27 4.11 選擇聯(lián)軸器··································································28 4.12 驗算低速浮動軸強度·······················································29 第5章 零部件的設計計算·····················································31 5.1 滑輪的尺寸計算與選擇······················································31 5.2吊鉤組的選擇·································································32 5.3 車輪軸的設計計算···························································35第6章 零部件的設計計算·····················································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)設計小節(jié)····························································53 參考文獻············································································54 附：英文原文 英文譯文 畢業(yè)實習報告