齒輪齒條式轉(zhuǎn)向器設(shè)計(jì)說(shuō)明書(shū)
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- 齒輪齒條式轉(zhuǎn)向器設(shè)計(jì)說(shuō)明書(shū) 目 錄
摘要......................................................................I
ABSTRACT................................................................II
引言......................................................................1
第1章 轉(zhuǎn)向系統(tǒng)總述........................................................2
1.1轉(zhuǎn)向系統(tǒng)概述.........................................................3
1.2轉(zhuǎn)向系統(tǒng)結(jié)構(gòu)形式.....................................................4
1.3轉(zhuǎn)向系統(tǒng)的發(fā)展.......................................................4
1.4轉(zhuǎn)向系統(tǒng)的要求.......................................................4
第2章 轉(zhuǎn)向系統(tǒng)主要性能參數(shù)................................................5
2.1轉(zhuǎn)向器的效率.........................................................5
2.1.1轉(zhuǎn)向器的正效率..............................................6
2.1.2轉(zhuǎn)向器的逆效率..............................................7
2.2傳動(dòng)比的變化特征.....................................................8
2.3轉(zhuǎn)向器其傳動(dòng)副之間傳動(dòng)間隙△t........................................ 9
2.4轉(zhuǎn)向盤(pán)的總轉(zhuǎn)動(dòng)圈數(shù)..................................................10
第3章 轉(zhuǎn)向器設(shè)計(jì)與計(jì)算...................................................11
3.1轉(zhuǎn)向輪側(cè)偏角計(jì)算....................................................12
3.2轉(zhuǎn)向阻力矩..........................................................13
3.3汽車(chē)轉(zhuǎn)向器角傳動(dòng)比..................................................14
3.4汽車(chē)方向盤(pán)的手力....................................................15
3.5角傳動(dòng)比和力傳動(dòng)比..................................................16
第4章 齒輪齒條的設(shè)計(jì)與計(jì)算...............................................18
4.1齒輪的設(shè)計(jì)..........................................................18
4.1齒輪幾何尺寸的確定............................................19
4.2齒條幾何尺寸的確定..................................................20
4.3齒輪強(qiáng)度計(jì)算........................................................20
4.3.1齒輪精度等級(jí)、材料及參數(shù)選擇.................................21
4.3.2按齒輪的齒根彎曲強(qiáng)度來(lái)校核..................................21
4.3.3按齒面接觸疲勞強(qiáng)度來(lái)校核....................................22
4.4齒輪軸的設(shè)計(jì)........................................................23
4.4齒輪軸的強(qiáng)度校核..............................................24
第5章 轉(zhuǎn)向操縱結(jié)構(gòu)的設(shè)計(jì).................................................25
5.1轉(zhuǎn)向操縱機(jī)構(gòu)的概述..................................................25
5.2轉(zhuǎn)向軸和轉(zhuǎn)向柱管的結(jié)構(gòu)設(shè)計(jì)與計(jì)算....................................26
5.2.1上轉(zhuǎn)向軸的設(shè)計(jì)計(jì)算..........................................26
5.2.2下轉(zhuǎn)向軸的設(shè)計(jì)計(jì)算..........................................27
5.3塑料銷(xiāo)強(qiáng)度校核......................................................27
5.4轉(zhuǎn)角及最小轉(zhuǎn)彎半徑..................................................28
第6章 轉(zhuǎn)向傳動(dòng)結(jié)構(gòu)設(shè)計(jì)...................................................29
6.1齒輪齒條式傳動(dòng)機(jī)構(gòu)的原理............................................29
6.2轉(zhuǎn)向梯形的布置......................................................30
6.2.1轉(zhuǎn)向梯形機(jī)構(gòu)尺寸的初步確定..................................30
6.2.2轉(zhuǎn)向梯形的校核..............................................31
6.3轉(zhuǎn)向傳動(dòng)機(jī)構(gòu)桿件與球頭銷(xiāo)............................................32
6.4轉(zhuǎn)向橫拉桿及端部的設(shè)計(jì)..............................................32
第7章 其它零件的選擇...................................................33
7.1彈簧的選擇..........................................................33
7.2墊圈的選擇..........................................................33
7.3六角螺栓的選擇......................................................34
7.4滾動(dòng)軸承的選擇......................................................34
7.5推力軸承的選擇......................................................35
7.6油封的選擇..........................................................35
結(jié)論...................................................................36
致謝...................................................................37
參考文獻(xiàn)...............................................................38...
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