起重机根据运行工作情况分为轻、中、重三个类型。随着类型的不同,对于附件的安全技术要求也不一样。起重机运行情况分类如下: 桥式起重机的主要附件包括吊钩、滚筒(鼓轮)、滑轮、钢丝绳和链条等。其中易于发生事故的是吊钩、钢丝绳、链条,主要问题是折断。除钢丝绳另行介绍外, According to the operation of the crane is divided into light, medium and heavy three types. Depending on the type, the safety requirements for the attachment vary. Crane operating conditions are as follows: The main components of the overhead crane include hooks, drums (drums), pulleys, ropes and chains. Which is prone to accidents are hooks, ropes, chains, the main problem is broken. In addition to wire rope introduced separately,