煤矿起重机主梁下挠原因、危害及处理方法

The cause, harm and treatment method of deflection of main girder of crane under coal mine

该文分析了煤矿常用的起重机发生主梁下挠问题的原因,指出了主梁下挠造成的危害,并提出了解决的方法,对煤矿起重机的使用及维修有一定的指导作用。

This paper analyzed the causes of common crane coal mine occurring deflection problem under the main beam, pointed out the harm caused by the main beam deflection, and put forward the solving method, which has the certain instruction function for the use and repair of mine crane.