老旧电梯摩擦型限速器失效情况及其检测

Failure of Overspeed Governor With Friction of Old Elevator and Its Test

老旧电梯摩擦型限速器由于长期使用中的损耗,常常出现提拉安全钳失效的情况。对此情况的形成原因和受力情况进行分析,并结合经验提出对以后这方面工作的建议。

The safety gear of the old elevator shall often not be tripped by the overspeed governor with friction because of the pulley groove abrasive wear in the long term use. The reason and the force situation of this situation are analyzed, and the future suggests is put forward with experience.