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只需将图1所示特殊双万向联轴节输入轴与中间轴之夹角α_(12)以及中间轴与输出轴之夹角α_(23)皆调整至本文(22)式所规定的数值,即可在其输出端获得与图2所示椭圆齿轮组合机构输出轴十分接近的运动规律。具体机理分析如下: 一、特殊双方向联轴节之角速比i_D 设φ_(s1)及α_s分别为图3所示单万向联轴节输入轴转角及输入轴与输出轴之夹角。《机械设计》已导出关于单万向联轴节输出轴与输入轴的角速比i_s的公式
The angle α_ (12) between the input shaft and the intermediate shaft of the special double universal joint shown in Fig. 1 and the angle α_ (23) between the intermediate shaft and the output shaft need to be adjusted to the values specified in (22) Numerical, you can get at its output and the elliptical gear mechanism shown in Figure 2 output shaft is very close to the law of movement. Specific mechanism analysis is as follows: First, the special two-way joint speed ratio i_D set φ_ (s1) and α_s are shown in Figure 3 single universal coupling input shaft angle and the input shaft and the output shaft angle. “Mechanical Design” has derived the formula for the angular velocity ratio i_s of the output shaft and the input shaft of a single universal joint