安全开关失灵能产生哪些不良后果？--杨远锋的博客

安全开关失灵能产生哪些不良后果？

[ 2011-7-4 21:21:00 | By: 杨远锋 ]

安全开关是指门、舱开关；它的作用是当有人上下打开门或舱口盖时，开关触点断开，使车停电。防止有人上下起重机或在桥架上面工作时，司机盲目送电，发生人身伤亡或触电事故。一但失灵将会发生重大事故，造成伤亡。
限位开关是限制电动机带动的机械在一定范围内运转，防上越位发生事故。一但失灵．起重机运行到端点或或两车相近时，发生很大的冲撞或发生两车撞车事故，损坏部件，严重的会车脱轨。特别是卷扬限位尤其重要．如果失灵，司机在在工作中一旦失误．会使卷筒绞断钢丝绳发生吊钩落地，砸坏地面设备或砸伤地面工作人员的重大人身和设备事故。

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原创

[ 2016-9-6 17:11:55 | By: 原创(游客) ]

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原创

[ 2016-9-28 16:47:41 | By: 原创(游客) ]

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原创

[ 2016-9-30 11:24:16 | By: 原创(游客) ]

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Re:在漫画中识别身边的违章

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