Let's Talk About Down The Hole Drilling Tools

The down the hole drilling tools  consists of  drill pipe, ball bit and  impactor. When drilling, drill with two drill rods. The rotary air supply mechanism is composed of a rotary motor, a rotary reducer, and a supply air gyrator. The rotary reducer is a three-stage cylindrical gear closed type of opposite-shaped member, which is automatically lubricated by a screw oiler. The air supply gyrator is composed of a connecting body, a sealing member, a hollow main shaft and a drill pipe joint, and is provided with a pneumatic card for use in connecting and unloading the drill pipe.

The lifting pressure regulating mechanism is to raise and lower the slewing mechanism and the drilling tool by the lifting motor by lifting the speed reducer and lifting the chain. In the closed chain system, a pressure regulating cylinder and a movable pulley block are installed. During normal operation, the piston rod of the pressure regulating cylinder pushes the movable pulley block to realize the decompression drilling of the drilling tool.

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