“overspeed governor of lift”的概念、定义、翻译、参考文献-科学参考

单词	overspeed governor of lift
释义	overspeed governor of lift Encyclopedia 工学特种设备安全保护装置释 overspeed governor of lift电梯限速器在电梯超速运行、运行失控或悬挂装置断裂等状况下，能及时发出信号，切断供电电路，使曳引机产生制动效果；若电梯仍然无法制动，则驱动安装在轿厢底部的安全钳迅速将电梯轿厢制停在导轨上并保持静止状态，从而避免发生人员伤亡及设备损坏事故的安全装置。
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