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起重机吊钩有哪几个危险截面

更新时间: 2020-10-14 00:00:00     

起重机吊钩的三个危险截面:

1、吊钩中间圆弧处,吊钩有被拉直的趋势,受弯矩的作用,吊钩的弯曲应力大;

2、吊钩最下端,有被拉直和剪断的趋势,所受剪切应力最大;

3、吊绳与吊钩连接处,钩柱最细的部分,有被拉断的趋势,所受拉应力最大。

关键词: 起重机 吊钩 危险 截面

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