为了避免零件失效的出现同时也是为了盾构机能适应各种条件下的土层结构，有必要对盾构机减速器进行实际载荷工况下的计算分析。
In order to avoid those situations at the same time also to adapt shield to various soil, it is necessary to make a calculation about the shield reducer under the actual load conditions.
对链轮减速器进行失效形式的研究，并提出防范措施，以提高链轮减速器的使用寿命。
The text research invalidation form to sprocket retarder, and propose preventive measures, so that enhance useful life of sprocket retarder.
应用推荐