高性能差速器的理论研究

THEORETICAL STUDY OF A NEW HIGH PERFORMANCE DIFFERENTIAL

从理论上分析了汽车差速器的性能要求,提出一种新型机构——双曲柄滑块机构来代替传统的圆锥齿轮差速器.指出该机构作为差速器后,左右半轴满足普通差速器转速和扭矩的要求,其尺寸改变后,左右半轴相对于差速器壳的传动比是变化的.计算结果表明,新型差速器的理论锁紧系数可达1.96,汽车的通过性能大幅度提高,是一种理想的差速器.

The authors, according to performance requirement of differential, create a new mechanism, which is a combination of two slider-crank linkages to replace conventional differential of bevel gears, and point out that by using the new mechanism the differential can meet the requirements of torque and speed of the two semi-axles. With the altering of dimensions of the slider-crank linkages,the instantaneous speed ratio which is that of the left and right half-axle with respect to differential shell is variable. The calculated result of the theoretical locking factor of the mechanism is up to 1.96. The limited-slip capability increases greatly. The mechanism created by the authors is an ideal new type of mechanism of differential.