On the basis of the calculation result, the influence of the center of mass ,spring rigidity on the working ability of the advancer is analys ed, thus providi ng a theoretical basis for the optimum design of the advancer.

• 根据计算结果 ,研究飞块重心及弹簧刚度、安装高度的变化对提前器工作能力的影响 ,为提前器的优化设计提供了理论根据