摘要
介绍了国产SPZ-120型水平钻机接换钻杆时排渣控制的供停水与接换钻杆操作的联锁控制,探讨了该钻机在钻进和回转液压系统中防卡钻装置的设置及应用。
The water supply ＆ stop for sludge discharge control and the interlock control at the time of drill stem change of home made SPZ-120 horizontal drill are explained. The application of drill bit seizure prevention device in hydraulic system for drilling and rotating action is explained.
出处
《矿业工程》
CAS
2012年第1期44-46,共3页
Mining Engineering
关键词
钻机
排渣控制
防卡钻
换向阀
压力继电器
drill machine
sludge discharge control
drill bit seizure prevention
reversal valve
pressure relay
