什么叫机械的安全功能--章仁根的blog

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什么叫机械的安全功能 | 2012-11-24 7:48:00

机械的安全功能是指机械及其零部件的某些功能是专门为保证安全而设计的，它主要分为主要安全功能和辅助安全功能两大类。

　　1.主要安全功能：

　　指这种功能出现故障时会立即增加伤害风险的机械功能。主要安全功能又分为特点安全功能和相关安全功能两种。

　　特点安全功能：通过预期达到特定安全的主要安全功能。例如：防止机器意外启动的功能(这种功能一般都是通过与防护装置联用的连锁装置来实现的)，单循环功能，双手操纵功能。

　　相关安全功能：除特定安全功能以外的主要安全功能。例如：机器进行设定时，通过旁路(或抑制)安全装置(使其不起作用)，对危险机构的手动控制功能，保持机械在安全运行限制中的速度和温度控制的功能等。

　　2.辅助安全功能：

　　指这种功能出现故障时不会立即增加或产生危险，而会降低安全程度的机器功能。作为辅助的安全功能的明显例子，如对某种主要安全功能的自动监控功能。但自动监控功能发生故障是不会马上产生危险，因为主要安全功能还能起作用，除非主要安全功能也同时出现故障。配置辅助安全功能的目的就是为了预防主要安全功能万一出现故障所采取相应的防范措施。若辅助安全功能不起作用了，就等于少了一道防线，降低了安全程度。

By:章仁根 | 阅读全文 | 回复(14) | 引用通告 | 编辑

标签：机械安全功能

Re:什么叫机械的安全功能 | 2012-11-24 7:50:46

机械安全知识,欢迎一阅!

By:章仁根 | 个人主页 | 引用 | 返回 | 删除 | 回复

原创 | 2016-9-6 16:59:39

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原创 | 2016-9-28 16:34:52

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原创 | 2016-9-30 11:11:05

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Re:在漫画中识别身边的违章 | 2016-10-15 22:02:03

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Re:在漫画中识别身边的违章 | 2017-2-18 19:09:15

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