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抓斗結(jié)構(gòu)設(shè)計(jì)與優(yōu)化.doc

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抓斗結(jié)構(gòu)設(shè)計(jì)與優(yōu)化,1緒論 12抓斗設(shè)計(jì) 22.1抓斗的選取 22.2抓斗的受力分析22.3抓斗自重的確定 32.4抓斗的自重的分配32.5鄂板寬度 42.6抓斗的最大開度42.7抓斗的其他參數(shù)52.8抓斗鄂板的側(cè)面形狀 52.9滑輪組倍率 73起升機(jī)構(gòu)設(shè)計(jì)83.1方案布置 83.2鋼絲繩的選擇83.3卷筒的選擇和轉(zhuǎn)速 93.4滑輪組的...
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分類: 論文>材料科學(xué)論文

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1緒論 ……………………………………………………………………………………… 1
2抓斗設(shè)計(jì) …………………………………………………………………………………2
2.1抓斗的選取 ………………………………………………………………………2
2.2抓斗的受力分析 ………………………………………………………………2
2.3抓斗自重的確定 ……………………………………………………………… 3
2.4抓斗的自重的分配 ……………………………………………………………3
2.5鄂板寬度 …………………………………………………………………………4
2.6抓斗的最大開度 ………………………………………………………………4
2.7抓斗的其他參數(shù)……………………………………………………………………5
2.8抓斗鄂板的側(cè)面形狀 …………………………………………………………5
2.9滑輪組倍率 ………………………………………………………………………7
3起升機(jī)構(gòu)設(shè)計(jì) …………………………………………………………………………8
3.1方案布置 …………………………………………………………………………8
3.2鋼絲繩的選擇 …………………………………………………………………8
3.3卷筒的選擇和轉(zhuǎn)速 ……………………………………………………………9
3.4滑輪組的選擇 …………………………………………………………………10
3.5電動(dòng)機(jī)的選擇 …………………………………………………………………11
3.6減速器的選擇 …………………………………………………………………12
3.7制動(dòng)器的選擇 …………………………………………………………………13
3.8聯(lián)軸器的選擇 …………………………………………………………………14
3.9驗(yàn)算起動(dòng)時(shí)間 …………………………………………………………………15
3.10制動(dòng)時(shí)間驗(yàn)算 ……………………………………………………………… 16
4抓斗優(yōu)化……………………………………………………………………………………17
4.1抓斗優(yōu)化目標(biāo)…………………………………………………………17
4.2設(shè)計(jì)變量………………………………………………………………17
4.3約束條件………………………………………………………………18
4.4優(yōu)化程序及結(jié)果………………………………………………………19
6總結(jié) …………………………………………………………………………………………21
5參考文獻(xiàn) …………………………………………………………………………………22
7致謝 ………………………………………………………………………………………23
8附錄 ………………………………………………………………………………………24
8.1附錄A(英文) ………………………………………………………………24
8.2附錄B(中文翻譯)…………………………………………………………… 29

(摘要)
首先應(yīng)該對(duì)抓斗進(jìn)行設(shè)計(jì)計(jì)算,確定抓斗的各個(gè)參數(shù),然后根據(jù)抓斗的型號(hào)、起重量和給定的起升高度、起升速度,確定起升機(jī)構(gòu)的布置方案,然后確定鋼絲繩的型號(hào),選取合適的卷筒、滑輪直徑。根據(jù)設(shè)計(jì)計(jì)算選定減速器、電動(dòng)機(jī)、制動(dòng)器和聯(lián)軸器。根據(jù)設(shè)計(jì)計(jì)算的結(jié)果,繪制出抓斗部件圖和起升機(jī)構(gòu)總體裝配圖。
對(duì)抓斗的優(yōu)化主要是通過MATLAB語言,將前面已經(jīng)設(shè)計(jì)好的抓斗參數(shù)轉(zhuǎn)化為線性方程,這個(gè)過程和其它調(diào)式程序一樣,主要包括這樣幾個(gè)步驟:編輯.編譯.連接.以及執(zhí)行和調(diào)試。利用MATLAB軟件可以求解線性規(guī)劃、無約束規(guī)劃、二次規(guī)劃和有約束非線性規(guī)劃等優(yōu)化設(shè)計(jì)問題.該軟件編程工作量小,初始參數(shù)輸入簡單,符合工程設(shè)計(jì)語言,有著很大的優(yōu)越性.通過給出的優(yōu)化實(shí)例可以看出,應(yīng)用該軟件求解機(jī)械優(yōu)化設(shè)計(jì)問題非常方便。
主要詞匯:抓斗.優(yōu)化.參數(shù).程序
Design and optimization for the grab of structural
(Abstract)
First should carry on the design calculation to the grab, definite grab each parameter, then according to the grab model, the lifting capacity and assigns lifts, lifts highly the speed, determined lifts the organization scheme of arrangement, then the determination steel wire model, selects the appropriate reel, the pulley diameter. According to design calculation designation reduction gear, electric motor, brake and shaft coupling. According to the design calculation result, draws up the grab part chart and lifts the organization overall assembly drawing.
To the grab optimization mainly is through the MATLAB language, front already will design the grab parameter transformed as the linear equation, this process and other mode procedure were same, mainly included such several steps: Edition.Translation.Connection.As well as execution and debugging. May solve the linear programming, the non-restraint plan, two plans using the MATLAB software and has optimized design questions and so on restraint nonlinear programming.This software programming work load is small,The initial parameter input is simple,Conforms to the engineering design language,Has the very big superiority.Through the optimized example which gives may see,Solves the machinery using this software to optimize the design question to be extremely convenient.
Main glossary: Grab. Optimization. Parameter. Procedure

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