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U型槽鋼A3.dwg
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主梁A0.dwg
開題報(bào)告.doc
總裝配圖A0.dwg
文件清單.txt
文獻(xiàn)翻譯.doc
法蘭A4.dwg
端梁裝置A1.dwg
說明書.doc
車輪裝置A1.dwg
單梁橋式起重機(jī)設(shè)計(jì)【電動】【5噸】
5噸LD型電動單梁橋式起重機(jī)的設(shè)計(jì)
摘 要
我做的畢業(yè)設(shè)計(jì)課題是單梁橋式起重機(jī)設(shè)計(jì)。單梁橋式起重機(jī)是一種輕型起重設(shè)備，它適用起重量為1～20 噸，適用跨度4.5～16.5米，工作環(huán)境溫度在≥-35。C與≤+35。C范圍內(nèi)，適合于車間、倉庫、露天堆場等處的物品裝卸工作。橋架由一根主梁和兩根端梁剛接組成。根據(jù)起重量和跨度，主梁采用普通工字鋼和U形槽組合焊接形成。主梁和端梁之間采用承載突緣普通螺栓法蘭連接。提升機(jī)構(gòu)采用CD型電葫蘆。
此次設(shè)計(jì)的主要內(nèi)容有：問題的提出、總體方案的構(gòu)思，結(jié)構(gòu)設(shè)計(jì)及對未知問題的探索和解決方案的初步設(shè)計(jì)，裝配圖、零件圖等一系列圖紙的設(shè)計(jì)與繪制，以及畢業(yè)設(shè)計(jì)說明書的完成。
關(guān)鍵詞 ：起重機(jī)；橋式起重機(jī)；大車運(yùn)行機(jī)構(gòu)；小車運(yùn)行結(jié)構(gòu)；小車起升；結(jié)構(gòu)橋架；主端梁 。
ABSTRACT
The topic of my graduation design is list the beam bridge type derrick of design the list beam bridge type derrick is a kind of light heavy equipments, it start to apply the weight as 1~20 tons, apply to across degree 4.5~16.5 meters, the work environment temperature is in the ≥ -35.C and ≤ +35.Inside scope, suitable for car, warehouse, open-air heap field etc. of the product pack to unload a work. The bridge was carried beam by a lord beam and 2 to just connect to constitute. According to weight with across a degree, lord beam adoption common the work word steel and U form slot combination weld formation. Lord beam and carry an of beam an adoption loading To good luck common stud bolt method orchid conjunction. Promote the organization adoption CD type an electricity bottle gourd.
The main contents of this time design have: The problem put forward, conceive outline of total project, possibility design, structure design and draw towards doing not know a problem of investigate and solution of first step design, assemble diagram, spare parts diagram wait a series the design of the diagram paper with, end include graduation design manual of completion.
Keywords: cranes;bridge type derrick ； During operation organization; Car running structure; Car hoisting structure; Bridge; Main girders.
目錄
前 言 1
1 單梁橋式起重機(jī)的概述 2
1.1單梁橋式起重機(jī)的整體描述 2
1.1.2 單梁橋式起重機(jī)機(jī)構(gòu)的特點(diǎn) 3
1.1.3 單梁橋式起重機(jī)的基本參數(shù) 3
1.1.4 桁架梁和箱形梁的比較 3
1.2 LD型電動單梁橋式起重機(jī)各部件的作用（位結(jié)構(gòu)） 3
1.2.1 主梁 4
1.2.2 端梁 4
1.2.3主梁和端梁的聯(lián)接 4
1.2.4 電動葫蘆 4
1.2.5 大車 5
1.2.6 小車架 5
1.2.7 小車 5
1.2.8操縱室 5
1.3 運(yùn)行機(jī)構(gòu) 6
1.3.1 小車運(yùn)行機(jī)構(gòu) 6
1.3.2 大車運(yùn)行機(jī)構(gòu) 7
1.4 發(fā)展趨勢 8
1.4.1 國內(nèi)橋式起重機(jī)發(fā)展有三大特征 8
1.4.2 國外橋式起重機(jī)發(fā)展四大特征 9
1.4.3 機(jī)械化運(yùn)輸系統(tǒng)的組合應(yīng)用 10
2 工作條件及設(shè)計(jì)要求 11
2.1 型式及設(shè)計(jì)的構(gòu)造特點(diǎn) 11
2.2 選擇電動葫蘆的規(guī)格型號 12
2.3 主梁設(shè)計(jì)計(jì)算 13
2.3.1 主梁斷面幾何特性 13
2.3.3剛度計(jì)算 20
2.3.4 穩(wěn)定性計(jì)算 23
2.4 端梁設(shè)計(jì)計(jì)算 23
2.4.2 端梁中央斷面幾何特性 24
2.5 起重機(jī)最大輪壓 26
2.5.1起重機(jī)支座及作用 26
2.5.2 起重機(jī)最大輪壓的計(jì)算 26
2.6 最大歪斜側(cè)向力 33
2.7 端梁中央斷面合成應(yīng)力 34
2.8 車輪軸對端梁腹板的擠壓應(yīng)力 34
2.9 主、端梁連接計(jì)算 35
2.9.1 主、端梁連接形成及受力分析 35
2.9.2 螺栓拉力的計(jì)算 36
3 小車起升和運(yùn)行機(jī)構(gòu)的設(shè)計(jì)計(jì)算 40
3.1 電動葫蘆起升機(jī)構(gòu)設(shè)計(jì)計(jì)算 41
3.1.1 電動葫蘆的基本設(shè)計(jì)參數(shù) 41
3.1.2 電動葫蘆起升機(jī)構(gòu)簡要設(shè)計(jì)步驟 42
3.2 電動葫蘆運(yùn)行機(jī)構(gòu)設(shè)計(jì)計(jì)算 49
3.2.1.電動小車運(yùn)行靜阻力計(jì)算 49
3.2.2.電動機(jī)的初選預(yù)驗(yàn)算 50
3.2.3 傳動比 51
3.2.4 制動器的選擇與計(jì)算 52
4 大車運(yùn)行機(jī)構(gòu)設(shè)計(jì)計(jì)算 55
4.1 確定機(jī)構(gòu)傳動方案 55
4.2 選擇車輪和軌道，驗(yàn)算車輪強(qiáng)度 55
4.3 驗(yàn)算車輪的疲勞強(qiáng)度 55
4.4 傳動裝置設(shè)計(jì)計(jì)算 57
4.4.1 選擇電動機(jī) 57
4.4.2 大車運(yùn)行機(jī)構(gòu)的功率計(jì)算 58
4.4.3 驗(yàn)算電動機(jī) 58
4.5設(shè)計(jì)減速裝置 60
4.5.1選擇減速器的類型 60
4.5.2確定減速器的型號 61
4.6 起重機(jī)有關(guān)使用機(jī)構(gòu)的安全裝置 62
4.6.1 緩沖器 62
4.6.2 起升高度限位器 63
4.6.3 行程限位器 63
4.6.4 安全開關(guān) 63
4.7 起重機(jī)的組裝及試車要求 63
4.7.1起重機(jī)的安裝注意事項(xiàng) 63
4.7.2 起重機(jī)的試車要求 65
5 焊縫連接分析 67
5.1 連接方法 67
5.1.1焊接 67
5.1.2 對接焊縫 67
5.1.3 角焊縫 68
致 謝 74
參考文獻(xiàn) 75
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