介绍了新型两级三环减速器的结构和工作原理 ,分析了减速器油膜浮动装置油膜浮动的均载原理及在两级三环减速器中的作用 ,样机动态应力试验表明 ,油膜浮动能提高减速器的均载效果 ,这为改善三环减速器的工作性能提供了有效手段 The structure and working principle of the new two-stage three-ring reducer are introduced. The principle of load-sharing of the oil film floating device of retarder and the function in the two-stage three-ring reducer are analyzed. The dynamic stress test of the prototype shows that the floating of the oil film can be improved Equalization effect of reducer, which provides an effective means to improve the performance of the three-ring reducer