2021年传动轴和万向节设计.pdf

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1、-word.zl.目 录传动轴与十字轴万向节设计1.1构造方案选择02 1.2计算传动轴载荷031.3传动轴强度校核041.4十字轴万向节设计041.5传动轴转速校核及平安系数071.6参考文献09|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 1 页，共 11 页-word.zl.1.传动轴与十字轴万向节设计要求1.1 万向传动轴总体概述万向传动轴是汽车传动系的重要组成部件之一。传动轴选用与设计的合理与否直接影响传动系的传动性能。选用、设计不当会给传动系增添不必要的和设计未能估算在的附加负荷，可能导致传动系不能正常运转.。传动轴是将发动机输出的

2、转知经分动器传递给前驱和后驱的传动机构，转速达 30007000r/min,振动是传动轴总成设计需考虑的首要问题。尽管采取涂层技术来减小滑移阻力，但产生的滑移阻力仍为等速万向节的1040 倍，而滑移阻力将产生振动。为选型设计提供依据，传动轴分为CJ+CJ型、BJ+BJ型靠花键产生滑移)BJ+DOJ 型、BJ+TJ型、BJ+LJ型 5 种类型。传动布置型式的选择万向节传动轴是汽车传动系的重要组成部件之一。传动轴选用与设计布置的合理与否直接影响传动系的传动性能。选用与布置不当会给传动系增添不必要的和设计未能估算在的附加动负荷，可能导致传动系不能正常运转和早期损坏。车辆的万向节传动，主要应用于非同心

3、轴间和工作中相对位置不断改变的两轴之间的动力传递。装在变速器输出轴与前后驱动桥之间。变速器的动力输出轴和驱动桥的动力输入轴不在一个平面。有的装载机在车桥与车架间装有稳定油缸、铰接式装载机在转向时均会使变速箱与驱动桥之间的相对位置和它们的输|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 2 页，共 11 页文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3

4、文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5

5、N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L

6、2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5

7、B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10

8、K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H

9、3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1

10、W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3-word.zl.出、输出入轴之间的夹角不断发生变化。这时常采用一根或多根传动轴、两个或多个十字轴万向节的传动7。图 2.1 为用于汽车变速箱与驱动桥之间的不同万向传动方案。a单轴双万向节式b两轴三万向节式图 2.1 汽车的万向传动方案7 1.2 计算传动轴载荷由于发动机前置后驱，根据表4-1，位置采用：用于变速器与驱动桥之间 按发动机最大转矩和一档传动比来确定Tse1=kdTemaxki1if/n Tss1=G2 m2rr/i0imm发动机最大转矩 Temax=235.3Nm 驱动桥数 n=1，发动机到

11、万向传动轴之间的传动效率=0.85，液力变矩器变矩系数k=(k0-1/2+1=1.6|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 3 页，共 11 页文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I

12、1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4

13、E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4

14、S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C

15、1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:C

16、B4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 H

17、E4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3-word.zl.满载状态下一个驱动桥上的静载荷G2=65%ma

18、g=0.65*950*9.8=6051.5N，发动机最大加速度的后轴转移系数m2=1.2，轮胎与路面间的附着系数=0.85，车轮滚动半径 rr=0.35 主减速器从动齿轮到车轮之间传动比im=1,主减速器主动齿轮到车轮之间传动效率m=发动机离合器=0.9*0.85=0.765，因为 0.195 mag/Temax0，所以猛接离合器所产生的动载系数kd=2，主减速比i0=3.98 所以：Tse1=kdTemaxki1if/n=198.315.26.13.2352=7491.952N Tss1=G2 m2rr/i0imm=765.0198.335.085.02.15.6051=709.556N T

19、1=min Tse1,Tss1 T1=Tss1=709.556N 1.3 传动轴强度校核按扭转强度条件T=T/WT9550000Pn0.2Dc3(1-(dc/Dc)4)T 式中，T为扭转切应力，取轴的转速n=4000r/min，轴传递的功率 P=65kw，Dc=60mm，dc=81mm 分别为传动轴的外直径，根据机械设计表 15-3得T为 15-25|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 4 页，共 11 页文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3

20、L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W

21、5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E1

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23、H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I

24、1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4

25、E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4

26、S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3-word.zl.Mpa T=4360521602.04000659550000=8.242 MpaT 故传动轴的强度符合要求1.4 十字轴万向节设计万向节类型的选择对万向节类型及其构造进展分析，并结合技术要求选择适宜的万向节类型。考虑到本毕业设计所针对的车型为中轻型货车，对其万向传动轴的设计应满足：制造加工容易、本钱低，工作可靠承载能力强，使用寿命长，构造简单，调整维修方便等要求，本设计选用

27、十字轴式万向节。十字轴式万向节的构造分析十字轴式万向节的根本构造，一般由一个十字轴、两个万向节叉、和滚针轴承等组成。两个万向节叉上的孔分别松套在十字轴的两对轴颈上。为了减少磨擦损失，提高效率，在十字轴的轴颈处加装有由滚针和套筒组成的滚针轴承。然后，将套筒固定在万向节叉上，以防止轴承在离心力作用下从万向节叉脱出。这样，当主动轴转动时，从动轴既可随之转动，又可绕十字轴中心在任意方向摆动。目前，最常见的滚针轴承轴向定位方式有盖板式、卡环式、瓦盖固定式和塑料环定位式 设作用于十字轴轴颈中点的力为F，那么|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 5

28、页，共 11 页文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:

29、CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4

30、HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 Z

31、H2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编

32、码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A

33、4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9

34、 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3-word.zl.F=T1/2rcos=709.556/2*50 x10-3*cos8o=7165.292N 十字轴轴颈根部的弯曲应力w和切应力应满足w=32d1Fs d14-d42w198.315.26.13.2352=4F(d21-d22)式中

35、，取十字轴轴颈直径d1=38.2mm，十字轴油道孔直径d2=10mm，合力 F 作用线到轴颈根部的距离s=14mm，w为弯曲应力的许用值，为250-350Mpa，为切应力的许用值，为80-120 Mpa w=32d1Fs d14-d42=43-43-331010-102.381014292.7165102.3832=18.32Mpaw =4F(d21-d22)=23-23-1010-102.38292.71654=6.711Mpa 故十字轴轴颈根部的弯曲应力和切应力满足校核条件 十字轴滚针的接触应力应满足j=2721d1+1d0FnLbj 式中，取滚针直径d0=3mm，滚针工作长度 Lb=27

36、mm，|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 6 页，共 11 页文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C

37、1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:C

38、B4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 H

39、E4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH

40、2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码

41、:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4

42、 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3-word.zl.在合力 F 作用下一个滚针所受的最大载荷Fn=4.6FiZ=441292.71656.4=749.09N,当滚针和十字轴轴颈

43、外表硬度在58HRC 以上时，许用接触应力 j为 3000-3200 Mpa j=2721d1+1d0FnLb=272333102709.7491031102.381=0.859 Mpaj 故十字轴滚针轴承的接触应力校核满足 万向节叉与十字轴组成连接支承，在力F 作用下产生支承反力，在与十字轴轴孔中心线成 45的截面处，万向节叉承受弯曲和扭荷，其弯曲应力w和扭应力b应满足w=Fe/W w b=Fa/Wtb 式中，取 a=40mm,e=80mm,b=35mm,h=70mm,查表，取 k=0.246,W=bh2/6,Wt=khb2,弯曲应力的许用值 w为 50-80Mpa，扭应力的许用值 b为 8

44、0-160 Mpa|精.|品.|可.|编.|辑.|学.|习.|资.|料.*|*|*|*|欢.|迎.|下.|载.第 7 页，共 11 页文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q

45、9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3

46、文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5

47、N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L

48、2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5

49、B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10

50、K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3文档编码:CB4E10K5N1A4 HE4S2H3L2Q9 ZH2C1I1W5B3-word.zl.w=Fe/W=6107010351080292.71652333=20.054 Mpa w b=Fa/Wt=23