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风压和刹车力对于起重机的作用
小重老师 发表于 2013-5-24 14:44:00
对于门式的起重机主要的作业在港口和室外的货场、料场货、散货的装卸作业。一个普遍作业在室外的起重机来说，其中对于外界的环境的影响更大，对于室外的环境我们的机械更加的难以控制，然而，这样的对于其中的装备更加的高，在考虑众多的环境下对于门式起重机风压和刹车力的使用的作可以更好的保护机械的安全的作业。在风压和刹车力作用下作业的门式的起重机，是一个怎样的环境和状态。其中产生这样的作用又是有怎样的作用。
有一两伸出臂的门式起重机，由于本身重量及动负荷而生的弯曲力矩图和剪刀图。可以计算出跑车的刹车力，在车轮和轨道间的摩擦系数是0.15。
当满负荷的跑车在两端的始终位置时，支柱受到最大的垂直应力。有伸出臂的门式起重机，则当跑车在伸出臂的端点时，支柱受到最大的垂直应力。
桥架的纵向风压(满负荷时)：取20-25公斤/平方米。由于风压和刹车力所作用的水平力(在跑车轨道方向)。
有伸出臂的门式起重机，必须要使跑车和所运送的货物，能够自由的通过支柱。
对于怎样的条件下会产生将所有的水平作用力(质量作用力和风力)，传到在纵梁平面上的水平联结架上去：主要原因可以是主梁上角铁受力的决定，可以详细参考以前我们说的内容，若我们把跑车轨道装在纵梁的下缘，并且安置在一适当的悬挂机构上时，支柱的结构和其与主梁的联接，最为简单，最为简单。此悬挂机构同时又当作加强架的联结用。
- 上一篇：起重机电力控制系统检验
- 下一篇：起重机械剩余寿命评估系统的研究分析
Re:在漫画中识别身边的违章
dnbfi(游客)发表评论于2017-3-4 15:48:48
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Re:在漫画中识别身边的违章
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Re:在漫画中识别身边的违章
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Re:在漫画中识别身边的违章
otyae(游客)发表评论于2016-10-22 2:44:06
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Re:在漫画中识别身边的违章
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Re:在漫画中识别身边的违章
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Re:在漫画中识别身边的违章
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Re:在漫画中识别身边的违章
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Re:在漫画中识别身边的违章
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Re:在漫画中识别身边的违章
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原创
原创(游客)发表评论于2016-9-30 11:09:20
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原创
原创(游客)发表评论于2016-9-28 16:33:15
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原创
原创(游客)发表评论于2016-9-6 16:57:59
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