1、项目六项目六 汽车齿轮传动的应用汽车齿轮传动的应用 1PPT课件23456789 101112131415ABBK161718192025. 01cha,我国规定:21mmm2121222324252627282930mhNMa*22sin2sinsinmzOPPNNM22sin2sinsinmzOPPNNE2*sin2ahz 2*minsin2ahz120*ah、17minz3117minZ 201*ah 208 . 0*ah14minZ3233变位齿轮变位齿轮标准齿轮标准齿轮34353637383940齿面41424344SPdtanSbbPdtantbbddcostantantanbtb
2、ddcos45mmmmpptntntncoscoscostPnPtnmm 46 1cos因为因为nt故故47atanhhtatnanmhmh*tncc ttnnmcmc*costnmm coscos*ntanatcchh*tnatancchh484921nnmm21nn21503coszZV33minmincos17cosvZZ51525354552121mmm5612122121rrzznni1221cottan90i时575859606162636465666768697071727374aaabbbnin75767778122112ZZi233232ZZi344343ZZi455445Z
3、Zi515115nni79321532343215432315515443322145433212) 1() 1(zzzzzzzzzzzzzziiiii80积间各主动轮齿数的连乘、积间各从动轮齿数的连乘、k1k1) 1(11mkki814321543245115,) 1(zzzzzzzznni,32153235115) 1(zzzzzznni82m) 1(835 .14)1(43154225115ZZZZZZnnimrinn 1005 .141450151584532164326116,zzzzzzzznni8545316426116ZZZZZZisrad541686方向如图所示方向如图所示求
4、:求:v6=?解:解:已知:已知:Z1=15; Z2=25; Z2 =Z3 =15; Z3=30; Z4=30; Z4 =2;Z5=60; Z5 =20(m=4mm); n1=500rpm,转向如图。转向如图。2 20 00 02 21 15 51 15 51 15 56 60 03 30 03 30 02 25 54 43 32 21 15 54 43 32 25 51 11 15 5=Z ZZ ZZ ZZ ZZ ZZ ZZ ZZ Zn nn ni ir rp pm mi in nn n5 52 22 20 00 05 50 00 01 15 51 15 5. .=smmnmzndv/555
5、5647.106060871605532164326116ZZZZZZZZnnimrinnn3125.0160510016167smndvv/00098. 0100060777888891521471311zzzznni9092671312zzzznni911115214127131zzzzzznni倒9293949596n332O2HO1nH1n1O3O132HOHH3n nHO221HO13O3O132HOH(a)(b)H1n1O3197131313113) 1(zznnnnnniHHHHH9811轮 1至轮之 间各对齿轮的从动 轮 齿数连乘积( 1)轮 1至轮之 间各对齿轮的主 动 轮
6、齿数连乘积HmHkkHnnkinnk 9911轮 1至轮之 间各对齿轮的从动 轮 齿数连乘积( 1)轮 1至轮之 间各对齿轮的主 动 轮 齿数连乘积HmHkkHnnkinnk 100100009999) 1(1 2132211313113zzzzinnnnnnnnniHHHHHHHH1000011Hi100001Hi101123H421232H14565H2(a)(b)1022H5413231032H5413231045 . 240100355353nznni6121321313113zzzznnnnnniHHHHH 335H3111HHi2H541323105106107前端用6轴承支承在飞轮的中心孔内,同时保证和曲轴的轴线重合,后端用6或N轴承支承在变速器壳体上前端用NA轴承支承在1轴的内圆孔中,后端利用6或N轴承支承在变速器壳体上 左端为N轴承,右端为N或6轴承支承在变速器壳体用锁片固定在变速器壳体上,防止转动和轴向移动,倒档齿轮由NA轴承空套在轴上 108109