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Compound Drilling Bucket Core Barrel with Bullet Teeth
A barrel drilling machine consists of a longitudinally movable drill-holding bar and a revolvably mounted longitudinal spindle inline with the drill. The spindle carries a small bushing, which is then turned to drill the holes.The overall structure of the barrel drilling is relatively simple compared to other drill tools, but some details and design will have a direct impact on the drilling efficiency.
Core barrel double shells specially are used drilling for deep, large and toughest pile.Inner core barrel drilling first and work as a centerizer .The outer core barrel drilling and reaming.Ensuring the verticality of the pile.
Typically used in hard rock drilling conditions, the core barrel has many useful features.All are designed for different types of drilling operations.The core barrel also transmits the weight of the core to the reactor vessel. There are different types of core barrels, depending on the Client's needs.
