在油田的作业队,绷绳是固定井架的一道很重要的绳索。为了防止固定在地锚上的绷绳脱落,需要把联结绷绳的螺栓拧紧螺帽,这是一个非常重要的环节。但在施工现场螺栓上的螺帽常常没有拧紧或者没有拧好,螺帽脱落导致井架倾覆的事故并不少见。有一次,一位新上任的安全部门领导在例行安全检查时,发 In the oil field work team, ai rope is a very important rope fixed derrick. In order to prevent the anchor fixed on the anchor off the rope, the need to tie the bolts of the tightening the nut nut, which is a very important part. However, the nuts on the bolts on the construction site are often not tightened or screwed, and it is not uncommon for the nuts to fall off leading to the collapse of the derrick. Once, a newly appointed security leader sent a routine security check