QD10t-22.5m 箱型雙梁橋式起重機主梁及端梁設計（含CAD圖紙和說明書）,QD10t-22.5m,箱型雙梁橋式起重機主梁及端梁設計（含CAD圖紙和說明書）,QD10t,22.5,箱型雙梁,橋式起重機,設計,CAD,圖紙,說明書 目錄 第1章 前言·················································································1 1.1 起重機的基礎知識···································································1 1.2 橋式起重機的基礎知識······························································1 1.3 橋式起重機的一般構造······························································5 1.4 起重機各部分的功能及動作原理···················································6 1.5 橋式起重機的發(fā)展趨勢······························································9 第2章 總體設計········································································12 2.1 概述··················································································12 2.2 設計任務·············································································12 2.3 設計目的·············································································13 2.4 主梁為桁架結構與箱形結構的比較···············································14 2.5 傳動方案的比較·····································································14 2.6 基本參數(shù)的選擇·····································································16 2.7 起重機的工作級別··································································17 2.8 計算載荷·············································································18 2.9 材料··················································································20 第3章 主梁計算·········································································21 3.1說明···················································································21 3.2主梁斷面幾何特性···································································22 3.3主梁載荷的計算·····································································24 3.4主梁載荷組合及應力的計算························································30 3.5剛度計算·············································································32 3.6主梁穩(wěn)定性驗算·····································································34 3.7小車鋼軌應力計算···································································37 3.8主梁翼緣板與腹板聯(lián)接焊縫計算···················································37 3.9垂直加勁板驗算······································································38 第4章 端梁計算·········································································42 4.1端梁構造及簡圖·····································································42 4.2端梁斷面尺寸及幾何特性···························································49 4.3強度校核··············································································53 4.4端梁接頭部分計算···································································55 第5章 大車運行機構設計····························································61 5.1主要參數(shù)與機構的布置簡圖·························································61 5.2選擇車輪與軌道，并驗算其強度···················································61 5.3電動機的選擇········································································63 5.4制動器的選擇········································································69 5.5減速器強度驗算······································································71 5.6聯(lián)軸器的選擇········································································72 5.7車輪計算··············································································73 5.8車輪軸的計算········································································75 第6章 畢業(yè)設計小節(jié)···································································80 參考文獻···················································································82