露天室外型自动扶梯梯级链工作寿命分析

Analysis of the Working Life of the Step Chains for Open-air Outdoor Escalator

针对鼹天室外型自动扶梯的梯级链在实际运行中工作寿命短的问题。论述了环境条件对梯级链工作寿命的影响，介绍了梯级链的选用设计方法，提出了梯级链在选型、安装、维保方面应重视的问题。

In allusion to the problem of short service life of the step chain of the open- air outdoor escalator in the actual operation, the influence of environmental conditions on the step chain working life is discussed. The selection of design method of the step chain is introduced, and the issues in selection, installation, maintenance of the step chain is put forward,