起重机械是设备中隐藏危险较大，易发事故几率较大的典型危险机械之一。一旦出事必将造成人员伤亡和巨大的财产损失。基于此，积极防范力求避免事故灾害的发生就显得十分重要，而要做到这一点，首先必须要了解事故类型的特点及发生事故的原因。 本文根据劳动部职安局对七省一市 Lifting equipment is hidden in the equipment more dangerous and prone to accidents one of the typical dangerous machinery. Once the accident will result in casualties and huge property damage. Based on this, it is very important to actively prevent and prevent accidents from occurring. To do this, we must first understand the characteristics of the accident type and the reasons for the accident. This article according to the Security Bureau of Labor Ministry of seven provinces and one city