32t橋式起重機(jī)小車運(yùn)行機(jī)構(gòu)計(jì)算
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- 32t橋式起重機(jī)小車運(yùn)行機(jī)構(gòu)計(jì)算
摘要
本文主要介紹了橋式起重機(jī)的整體設(shè)計(jì)理論和設(shè)計(jì)過程，其中重點(diǎn)設(shè)計(jì)了橋式起重機(jī)的運(yùn)行機(jī)構(gòu)起升機(jī)構(gòu)等，主要包括橋式起重機(jī)小車運(yùn)行機(jī)構(gòu)的整體設(shè)計(jì)及傳動機(jī)構(gòu)的布置，小車運(yùn)行機(jī)構(gòu)計(jì)算。還有軸承的選擇、聯(lián)軸器的選擇、電動機(jī)的選擇、減速器的選擇和校核。
關(guān)鍵詞：橋式起重機(jī)；起重機(jī)小車；卷筒；減速器。
目錄
摘要.............................................................................................1
Abstract......................................................................................2
第一章 概述................................................................................5
1.1 概論....................................................................................5
1.2 橋式起重機(jī)發(fā)展概述........................................................6
1.2.1 國外橋式起重機(jī)發(fā)展動向................................................6
1.2.2 國內(nèi)橋式起重機(jī)發(fā)展動向................................................6
第二章 橋式起重機(jī)介紹............................................................7
2.1橋式起重機(jī)的組成和特點(diǎn)....................................................7
2.1.1 通用橋式起重機(jī).............................................................7
2.1.2 專用橋式起重機(jī)..............................................................8
2.1.3 電動葫蘆型橋式起重機(jī).................................................9
2.2.1橋式起重機(jī)小車................................................................9
2.2.2橋式起重機(jī)小車運(yùn)行傳動機(jī)構(gòu)......................................10
2.3 橋式起重機(jī)運(yùn)行機(jī)構(gòu)設(shè)計(jì)的目的、內(nèi)容和要求.............10
2.3.1 設(shè)計(jì)目的..........................................................................10
2.3.2 設(shè)計(jì)內(nèi)容..........................................................................10
2.3.3 設(shè)計(jì)要求..........................................................................10
第三章 小車運(yùn)行機(jī)構(gòu)的計(jì)算..................................................12
3.1 確定機(jī)構(gòu)的傳動方案........................................................12
3.2小車運(yùn)行機(jī)構(gòu)的計(jì)算.........................................................13
3.2.1 選擇車輪與軌道并驗(yàn)算起強(qiáng)度.....................................14
3.2.2 運(yùn)行阻力的計(jì)算.............................................................15
3.2.3 選擇電動機(jī).....................................................................16
3.2.4 驗(yàn)算電動機(jī)發(fā)熱條件.....................................................17
3.2.5 選擇減速器.....................................................................17
3.2.6 驗(yàn)算運(yùn)行機(jī)構(gòu)速度和實(shí)際所需功率.............................18
3.2.7 驗(yàn)算啟動時(shí)間.................................................................18
3.2.8 按起動工況校核減速器功率.........................................19
3.2.9驗(yàn)算起動不打滑條件......................................................20
3.2.10 選擇制動器...................................................................21
3.2.11 演算制動不打滑條件...................................................21
3.2.12選擇聯(lián)軸器.....................................................................21
3.2.13 演算低速浮動軸強(qiáng)度...................................................23
第四章 大車運(yùn)行機(jī)構(gòu)的計(jì)算.................................................24
4.1設(shè)計(jì)的基本原則和要求.....................................................25
4.1.1 機(jī)構(gòu)傳動方案...............................................................25
4.1.2 大車運(yùn)行機(jī)構(gòu)具體布置的主要問題...........................26
4.2 大車運(yùn)行機(jī)構(gòu)的計(jì)算........................................................26
4.2.1 確定機(jī)構(gòu)的傳動方案. .................................................26
4.2.2 選擇車輪與軌道，并驗(yàn)算其強(qiáng)度...............................27
4.2.3 運(yùn)行阻力計(jì)算...............................................................30
4.2.4 選擇電動機(jī)...................................................................31
4.2.5 驗(yàn)算電動機(jī)的發(fā)熱功率條件.......................................31
4.2.6 減速器的選擇...............................................................32
4.2.7 驗(yàn)算運(yùn)行速度和實(shí)際所需功率...................................32
4.2.8 驗(yàn)算起動時(shí)間...............................................................33
4.2.9 起動工況下校核減速器功率.......................................34
4.2.10 驗(yàn)算啟動不打滑條件...................................................35
4.2.11 選擇制動器...................................................................37
4.2.12 選擇聯(lián)軸器器...............................................................38
4.2.13浮動軸的驗(yàn)算.................................................................40
第五章 設(shè)計(jì)總結(jié)..................................................................42參考文獻(xiàn)...................................................................................42
致謝...........................................................................................42
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