顶置凸轮配气机构气门升程的精确计算

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(,212013),,,,11,(1)h(A)(2)2,xOy;xOy(2)O;Ox2,;Ox,;,A=0OxOx:B0=180-arctgy1-x1-arctgL1R+S1(1):x1y1O1;L1O1M;MOP0;S1OP0R3M;R(3)R3P0xOyxP0=(R+R3)cosB0yP0=(R+R3)sinB0(2):R3A,R3C(xC,yC),R3CCLCR;CxOyOCOxAA(4)1AAC,AC:xC=[R+h(A)]cosAyC=[R+h(A)]sinA(3):h(A)ACA-1A+1,(xK-1,yK-1)(xK+1,yK+1)Ck(A)k1(A):k(A)=yK+1-yK-1xK+1-xK-1k1(A)=1ök(A)(4)R3PxOy:xP=xC+R3cos[arctgk1(A)]yP=yC+R3sin[arctgk1(A)](5)A,O1O,OO1(R1)P,O1P(R2),2xOy:17(1999)2TransactionsofCSICEVol.17(1999)No.2x2+y2=R21(x-xP)2+(y-yP)2=R22(6)(6),:(1+A2)y2+2ABy+(B2-R21)=0(7):A=yPxP;B=R22-R21-x2P-y2P2xP(7),:y1=-2ABA2B2-(1+A2)(B2-R21)(1+A2)x1=-(B+Ay1)(8)O1xOy,O1OOx:O1Ox=arctgy1x1xOy:O1Ox=arctgy1x1,,A:B=O1Ox-O1Ox1:A=B0-B=180-arctgL1R+S1-arctgy1x1+2arctgy1x12H(A),R3PP0PxOy(5)(xP,yP):xP=xPcosB-yPsinByP=xPsinB-yPcosB(10):H(A)=arctg(yP-y1xP-x1)-arctg(yP0-y1xP0-x1)(11)3,R4Q,:xQ=x1-R5cosCyQ=y1-R5sinC(12):R5O1Q,O1Q;CO1Q,A=0,C=C0,,C=C0+H(A)R4D,:xD=xQ+R4sinUyD=yQ-R4cosU(13)A=0,DD0:xD0=xQ0+R4sinUyD0=yQ0+R4cosU(14)D:L=DD0=(yD-yD0)2+(xD-xD0)2hq(A)L;hq(A)=Lcos[arctg(xD0-xDyD0-yD)+U](15)3U,,A,,(5),11:1ööömmömm000.00.01.122230.08630.01.11539.5640.331.91.5281885.68736.841.341471310.6151.1870.981821810.080.01.11981980.00.01.1(a),,,39.5,0.3mm,64,1.25mm;1.52,1.9mm33(b)3060,,,(c)2h2,R30.2mm,,,,30219994:

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