1.软件的功能

本软件由6大功能模块组成，分别是传动原理分析、齿廓及其结构特性分 析、传动的受力分析、传动的效率分析、传动的强度分析和啮合刚度分析。软件 的初始界面如附图1所示。

2.传动原理分析

传动原理分析模块可以进行内齿圈齿廓形成过程分析、传动的运动分析和传 动过程模拟，如附图2所示。

^偏心轮电动推杆行星传动设计理论分析软件

内齿圈齿廓形成过程

传动的运动分析

传动过程模拟

附图2传动原理分析模块 The analysis module of transmission principle

附图3内齿圈齿廓形成过程 Appendix Fig. 3 The teeth profiles shapping process of ring gear

齿廓形成过程代码如下：

Private Sub Command3一Click()

pi =3. 1415926

bl = (form7. PI. ScaleHeight -300)/ 2 / form7. Text6 r = fonn7. Textl * bl e = form7. Text2 * bl / 2 rl = form7. Text3 * bl L = form7. Text4 * bl R3 = form?. Text5 * bl R4 = fonn7. Text6 * bl Z : form7. Text7 Z1 = form7. Text8

xO = form7. PI. ScaleWidth / 2 ：y0 = form9. Pl. ScaleHeight / 2 For j = 1 To Z

For i = 100 To Z1 + 100

a =360 * (j-l)/Z * (pi / 180) + 360 *i/(Z*Zl) * (pi / 180) a2=i*360 /Zl * (pi / 180)

SINA=Sin(a)

COSA = Cos( a)

SINAI = e * Sin(a2)/( r + rl )

COSA1 = Sqr( 1 - SINAI * SINAI)

SINA2 =Sin(a2)

COSA2=Cos(a2)

al = Atn( SINAI / COSA1)

LL = e*Cos(a2) + (r + rl) * Cos(al) + L xl = LL * Cos(a) ：yl = LL * Sin(a)

DAlDA=Z*e*COSA2/((r + rl) * COSA1)

DA2DA = Z

xll = - L * SINA - ( r + rl) * COSA1 * SINA - ( r + rl) * COSA * SINAI * DAI DA - e * COSA2 * SINA - e * COSA * SINA2 * DA2DA

yll = L * COSA + (r + rl) * COSA1 * COSA - ( r + rl) * SINA * SINAI * DAI DA + e * COSA2 * COSA - e * SINA * SINA2 * DA2DA x2 = xl + rl * yl 1 / Sqr( xl 1 * xl 1 + yl 1 * yl 1) y2 = yl - rl * xl 1 / Sqr( xl 1 * xl 1 + yl 1 * yl 1)                                  ‘

xal = e * Cos( a2) ：yal = e * Sin( a2) xbl = e * Cos(a2) + (r + rl ) * Cos( al ) ：ybl =0 xa = xal * Cos( a) - yal * Sin( a) ：ya = xal * Sin( a) + yal * Cos( a) xb = xbl * Cos(a) - ybl * Sin(a) ：yb = xbl * Sin(a) + ybl * Cos( a) form7. PI. Circle(x0，yO) , e form7. PI. PSet(xO + xl，yO - yl ) , 100 form7. PL PSet(xO + x2, yO — y2) , 100 Next i Next j