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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······································································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