一起电梯安全钳召回事件的反思

结合QJB2500型安全钳的工作原理详细分析了其升级的改进项目，由此引出了对于电梯安全部件型式试验的可靠性以及技术监管的效力等方面的反思，并提出了在型式试验的执行、监督及定期检验的配合、质量问题的反馈、制造企业质量管理体系的运转等4个方面的改进意见。

Thinking About a Recall of the Safety Gear

This article combines the principle of the safety gear with the improvement project of QJB2500 safety gear, and analyzes the cause of this updating as well. It also brings out the introspection with regard to the reliability of the type test of the safety components and the management effectiveness of the technical supervision and etc. Finally, it comes up with some improvement suggestions with regard to the implementation of type test, the coordination of supervision and periodical test, the quality defect feedback, and even the operation of the quality management system in the manufacturer.