Finite element computation and analysis for the DN3400 single - and twin - hinge type expansion joint were conducted in this paper. The stress distribution on the areses of the bearing parts, such as hinge pull - board, hinge pin, etc, were given out.

• 本文对某厂制造的DN3400的单式和双式两种类型的铰链型波纹管膨胀节进行了有限元计算分析,给出了膨胀节铰链处拉板、销轴及万向环等受力元件的应力分布情况。