一种内部三分级式胀裂自锁堵塞结构

摘要

For the hole blasting hole plugging effect is poor,and so on,designing internal three hierarchical type burst self-locking block structure.Which provides theoretical support to design of downhole block tools.%针对钻孔爆破中粘土炮泥存在可靠性较低,堵塞质量不高的问题,设计了一种内部三分级式胀裂自锁堵塞结构,为井下堵塞工具的设计提供理论支持.