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信息来源:杭州冠航起重葫芦厂   日期:2021-07-30   

河北某钢厂采购的小型10吨手拉葫芦在使用不到半年的情况下,就出现了链条断裂的情况,为了追其根源,有关单位对其进行了试验和分析。

SHOUXIANDUILIANTIAODEDUANLIEBUWEIJINXINGQUYANG,LIANTIAODEDUANLIEWEIZHIWEIYULIANTIAOHANJIEZHILIANTIAOYUANHUBUWEIJIAOJIECHU,ROUYANKEJIANDUANKOUSHANGYOUMINGXIANDEJIXIESUNSHANGHENJI,PINHEHOUYEBUNENGWANQUANBIHE,SHUOMINGQICHANSHENGLEQUEKOU。ERQIECONGQUEKOUYANSESHANGKEYIPANDUANCHUTASHIYIZHONGJIXIESUNSHANGQUEKOU,SHILIANTIAOJIAGONGWANCHENGHOUXINTIANJIADEWAISHANG。

QICIDUILIANTIAODESHENGCHANGONGYIHEYINGDUJINXINGCELIANGHOUFAXIAN,LIANTIAODEYINGDUFUHEJISHUYAOQIUDEGUIDING;TONGGUODIANZIXIANWEIJINGJIANCHAFAXIAN,LIEWENWEIYULIANTIAOSHOULIBORUOBUWEI,QUEKOUDECUNZAIJIANGDILELIANTIAODECHENGZAINENGLI,JIAZHICHENGSHOUJIAODADEJUBUZAIHE,ZAOCHENGLIANTIAORENXINGPODUAN,SHIQUEKOUCONGXIAOKOUBIANWEIDAKOU,ZHIDAOWANQUANZHANGKAI,FASHENGDUANLIEQINGKUANG。

综上所属,造成钢厂10吨手拉葫芦短环链断裂的原因是该节链条存在机械损伤缺口,后应承受局部过载应力导致。


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