毕业论文_汽车驱动桥设计.doc
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The Designing of Heavy Truck Rear Drive Axles
Abstract
Drive axle is the one of automobile four important assemblies. It` performance directly influence on the entire automobile£¬especially for the heavy truck .Because using the big power engine with the big driving torque satisfied the need of high speed£¬heavy-loaded£¬ high efficiency£¬ high benefit today`heavy truck£¬must exploiting the high driven efficiency single reduction final drive axle is becoming the heavy truck`developing tendency. This design following the traditional designing method of the drive axle. First £¬make up the main parts`structure and the key designing parameters; thus reference to the similar driving axle structure £¬ decide the entire designing project ; fanially check the strength of the axle drive bevel pinion £¬bevel gear wheel £¬ the differentional planetary pinion£¬ differential side gear £¬ full-floating axle shaft and the banjo axle housing £¬ and the life expection of carrier bearing . The designing take the spiral bevel gear for the tradional hypoid gear £¬as the gear type of heavy truck`s final drive£¬with the expection of the question being discussed£¬ further .¡¡
Key words: heavy truck drive axle single reduction final drive
the spiral bevel gear
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ÕªÒª I
ABSTRACT II
Ç°ÑÔ 1
µÚÒ»Õ Çý¶¯ÇŽṹ·½°¸·ÖÎö 2
µÚ¶þÕ Ö÷¼õËÙÆ÷Éè¼Æ 4
2.1 Ö÷¼õËÙÆ÷µÄ½á¹¹ÐÎʽ 4
2.1.1 Ö÷¼õËÙÆ÷µÄ³ÝÂÖÀàÐÍ 4
2.1.2 Ö÷¼õËÙÆ÷µÄ¼õËÙÐÎʽ 4
2.1.3 Ö÷¼õËÙÆ÷Ö÷£¬´Ó¶¯×¶³ÝÂÖµÄÖ§³ÐÐÎʽ 4
2.2 Ö÷¼õËÙÆ÷µÄ»ù±¾²ÎÊýÑ¡ÔñÓëÉè¼Æ¼ÆËã 4
2.2.1 Ö÷¼õËÙÆ÷¼ÆËãÔغɵÄÈ·¶¨ 4
2.2.2 Ö÷¼õËÙÆ÷»ù±¾²ÎÊýµÄÑ¡Ôñ 6
2.2.3 Ö÷¼õËÙÆ÷Ô²»¡×¶³ÝÂֵļ¸ºÎ³ß´ç¼ÆËã 8
2.2.4 Ö÷¼õËÙÆ÷Ô²»¡×¶³ÝÂÖµÄÇ¿¶È¼ÆËã 10
2.2.5 Ö÷¼õËÙÆ÷³ÝÂֵIJÄÁϼ°ÈÈ´¦Àí 14
2.2.6 Ö÷¼õËÙÆ÷Öá³ÐµÄ¼ÆËã 15
µÚÈýÕ ²îËÙÆ÷Éè¼Æ 21
3.1 ¶Ô³ÆʽԲ׶ÐÐÐdzÝÂÖ²îËÙÆ÷µÄ²îËÙÔÀí 21
3.2 ¶Ô³ÆʽԲ׶ÐÐÐdzÝÂÖ²îËÙÆ÷µÄ½á¹¹ 22
3.3 ¶Ô³ÆʽԲ׶ÐÐÐdzÝÂÖ²îËÙÆ÷µÄÉè¼Æ 22
3.3.1 ²îËÙÆ÷³ÝÂֵĻù±¾²ÎÊýµÄÑ¡Ôñ 22
3.3.2 ²îËÙÆ÷³ÝÂֵļ¸ºÎ¼ÆËã 24
3.3.3 ²îËÙÆ÷³ÝÂÖµÄÇ¿¶È¼ÆËã 26
µÚËÄÕ Çý¶¯°ëÖáµÄÉè¼Æ 28
4.1 È«¸¡Ê½°ëÖá¼ÆËãÔغɵÄÈ·¶¨ 28
4.2 È«¸¡Ê½°ëÖáµÄ¸Ë²¿Ö±¾¶µÄ³õÑ¡ 29
4.3 È«¸¡Ê½°ëÖáµÄÇ¿¶È¼ÆËã 29
4.4 °ëÖỨ¼üµÄÇ¿¶È¼ÆËã 30
µÚÎåÕ Çý¶¯ÇſǵÄÉè¼Æ 31
5.1 ÖýÔìÕûÌåʽÇſǵĽṹ 31
5.2 ÇſǵÄÊÜÁ¦·ÖÎöÓëÇ¿¶È¼ÆËã 32
5.2.1 Çſǵľ²ÍäÇúÓ¦Á¦¼ÆËã 32
5.2.2 ÔÚ²»Æ½Â·Ãæ³å»÷ÔغÉ×÷ÓÃϵÄÇÅ¿ÇÇ¿¶È¼ÆËã 34
5.2.3 Æû³µÒÔ×î´óÇ£ÒýÁ¦ÐÐʻʱµÄÇÅ¿ÇÇ¿¶È¼ÆËã 34
5.2.4 Æû³µ½ô¼±Öƶ¯Ê±µÄÇÅ¿ÇÇ¿¶È¼ÆËã 36
½áÂÛ 39
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¹Ø¼ü×Ö£ºÔØÖØÆû³µ Çý¶¯ÇÅ µ¥¼¶¼õËÙÇÅ »¡³Ý׶³ÝÂÖ
The Designing of Heavy Truck Rear Drive Axles
Abstract
Drive axle is the one of automobile four important assemblies. It` performance directly influence on the entire automobile£¬especially for the heavy truck .Because using the big power engine with the big driving torque satisfied the need of high speed£¬heavy-loaded£¬ high efficiency£¬ high benefit today`heavy truck£¬must exploiting the high driven efficiency single reduction final drive axle is becoming the heavy truck`developing tendency. This design following the traditional designing method of the drive axle. First £¬make up the main parts`structure and the key designing parameters; thus reference to the similar driving axle structure £¬ decide the entire designing project ; fanially check the strength of the axle drive bevel pinion £¬bevel gear wheel £¬ the differentional planetary pinion£¬ differential side gear £¬ full-floating axle shaft and the banjo axle housing £¬ and the life expection of carrier bearing . The designing take the spiral bevel gear for the tradional hypoid gear £¬as the gear type of heavy truck`s final drive£¬with the expection of the question being discussed£¬ further .¡¡
Key words: heavy truck drive axle single reduction final drive
the spiral bevel gear
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ÕªÒª I
ABSTRACT II
Ç°ÑÔ 1
µÚÒ»Õ Çý¶¯ÇŽṹ·½°¸·ÖÎö 2
µÚ¶þÕ Ö÷¼õËÙÆ÷Éè¼Æ 4
2.1 Ö÷¼õËÙÆ÷µÄ½á¹¹ÐÎʽ 4
2.1.1 Ö÷¼õËÙÆ÷µÄ³ÝÂÖÀàÐÍ 4
2.1.2 Ö÷¼õËÙÆ÷µÄ¼õËÙÐÎʽ 4
2.1.3 Ö÷¼õËÙÆ÷Ö÷£¬´Ó¶¯×¶³ÝÂÖµÄÖ§³ÐÐÎʽ 4
2.2 Ö÷¼õËÙÆ÷µÄ»ù±¾²ÎÊýÑ¡ÔñÓëÉè¼Æ¼ÆËã 4
2.2.1 Ö÷¼õËÙÆ÷¼ÆËãÔغɵÄÈ·¶¨ 4
2.2.2 Ö÷¼õËÙÆ÷»ù±¾²ÎÊýµÄÑ¡Ôñ 6
2.2.3 Ö÷¼õËÙÆ÷Ô²»¡×¶³ÝÂֵļ¸ºÎ³ß´ç¼ÆËã 8
2.2.4 Ö÷¼õËÙÆ÷Ô²»¡×¶³ÝÂÖµÄÇ¿¶È¼ÆËã 10
2.2.5 Ö÷¼õËÙÆ÷³ÝÂֵIJÄÁϼ°ÈÈ´¦Àí 14
2.2.6 Ö÷¼õËÙÆ÷Öá³ÐµÄ¼ÆËã 15
µÚÈýÕ ²îËÙÆ÷Éè¼Æ 21
3.1 ¶Ô³ÆʽԲ׶ÐÐÐdzÝÂÖ²îËÙÆ÷µÄ²îËÙÔÀí 21
3.2 ¶Ô³ÆʽԲ׶ÐÐÐdzÝÂÖ²îËÙÆ÷µÄ½á¹¹ 22
3.3 ¶Ô³ÆʽԲ׶ÐÐÐdzÝÂÖ²îËÙÆ÷µÄÉè¼Æ 22
3.3.1 ²îËÙÆ÷³ÝÂֵĻù±¾²ÎÊýµÄÑ¡Ôñ 22
3.3.2 ²îËÙÆ÷³ÝÂֵļ¸ºÎ¼ÆËã 24
3.3.3 ²îËÙÆ÷³ÝÂÖµÄÇ¿¶È¼ÆËã 26
µÚËÄÕ Çý¶¯°ëÖáµÄÉè¼Æ 28
4.1 È«¸¡Ê½°ëÖá¼ÆËãÔغɵÄÈ·¶¨ 28
4.2 È«¸¡Ê½°ëÖáµÄ¸Ë²¿Ö±¾¶µÄ³õÑ¡ 29
4.3 È«¸¡Ê½°ëÖáµÄÇ¿¶È¼ÆËã 29
4.4 °ëÖỨ¼üµÄÇ¿¶È¼ÆËã 30
µÚÎåÕ Çý¶¯ÇſǵÄÉè¼Æ 31
5.1 ÖýÔìÕûÌåʽÇſǵĽṹ 31
5.2 ÇſǵÄÊÜÁ¦·ÖÎöÓëÇ¿¶È¼ÆËã 32
5.2.1 Çſǵľ²ÍäÇúÓ¦Á¦¼ÆËã 32
5.2.2 ÔÚ²»Æ½Â·Ãæ³å»÷ÔغÉ×÷ÓÃϵÄÇÅ¿ÇÇ¿¶È¼ÆËã 34
5.2.3 Æû³µÒÔ×î´óÇ£ÒýÁ¦ÐÐʻʱµÄÇÅ¿ÇÇ¿¶È¼ÆËã 34
5.2.4 Æû³µ½ô¼±Öƶ¯Ê±µÄÇÅ¿ÇÇ¿¶È¼ÆËã 36
½áÂÛ 39
ÖÂл 40
²Î¿¼ÎÄÏ× 41
¸½Â¼ 42
