A high-performance fully hydraulic drilling rig for coal mines has been successfully developed at Shijiazhuang Coal Mining Co., Ltd., and its performance indicators are at the domestic advanced level.
The coal mine drilling rig is mainly used for roadway and tunnel excavation in coal mine, metallurgy, hydropower, railway and other departments. It can drill the blasthole on the face, roof, side sill and bottom plate, and can also drill the anchor hole. .
On the basis of the original CMJ17 excavation drilling rig, the stone coal machine company has researched and improved the main components such as the pump, reversing valve and reducer of the drilling rig, which improved the drilling speed of the drilling rig by four quarters. First, the performance is more stable, flexible and free to achieve a variety of shifting operations, reducing energy consumption. At present, this new type of boring and drilling rig has been sold to Liaoning, Henan and other places, and has been well received by users.
The coal mine drilling rig is mainly used for roadway and tunnel excavation in coal mine, metallurgy, hydropower, railway and other departments. It can drill the blasthole on the face, roof, side sill and bottom plate, and can also drill the anchor hole. .
On the basis of the original CMJ17 excavation drilling rig, the stone coal machine company has researched and improved the main components such as the pump, reversing valve and reducer of the drilling rig, which improved the drilling speed of the drilling rig by four quarters. First, the performance is more stable, flexible and free to achieve a variety of shifting operations, reducing energy consumption. At present, this new type of boring and drilling rig has been sold to Liaoning, Henan and other places, and has been well received by users.
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