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ka zuan zhen ji qi
Author(s): 
Pages: 35-38
Year: Issue:  3
Journal: Exploration Engineering(Drilling & Tunneling)

Keyword:  震击器卡钻反事故杆接头吊锤埋钻事故井底岩粉沉淀下部离合器引水龙头;
Abstract: <正>卡钻震击器主要是用来在复杂岩层(如石灰岩的天然龙洞)中钻进时及时防止卡钻现象。<正>以前当孔底发生卡钻或埋钻事故时,必须停止钻进,关闭水泵,把机上钻杆上部提引水龙头等卸去,再将钻机立轴卡盘松开,拧上冲击接头,利用吊锤上下冲击钻具来消除卡钻或埋钻事故。
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