ZDY750 fully hydraulic drilling rig for coal mines

钻进深度：

150

开孔直径：

Ф65,Ф85,Ф115

钻杆规格：

Ф42.Ф50

Fully hydraulic tunnel drilling rig. Hydraulic tunnel drilling rig for mining. Explosion-proof deep hole tunnel drilling rig. Hydraulic tunnel drilling rig for exploration. Since the beginning of this year, the early inventory of key domestic coal companies has been at a historical high. The hydraulic tunnel drilling rig has two drilling frame forms: column frame and seat frame. Different drill racks are selected according to the height and use of the coal tunnel.
This type of drilling rig can push the mesh conduit into the hole while drilling, successfully solving the key problem of gas drainage in high-gas mines with unshaped or soft coal seams, so this type of drilling rig Drilling rigs are also called conduit drilling rigs or pipe jacking rigs.
This type of drilling rig uses a high-pressure sealed drill pipe and a bottom hole motor to greatly improve the drilling capacity (avoiding the strong torque force of the drilling rig twisting the drill pipe's own weight), so this type of drilling rig is also called a bottom hole motor. Drilling rig.
When equipped with a high-pressure water generator and a high-pressure sealed drill pipe, this type of drilling rig can cut seams in coal seams with low gas permeability, thereby improving the gas drainage efficiency and greatly shortening the drainage time. At the same time, this type of drilling rig adopts a hydraulic transmission mechanism, which has the characteristics of large drilling capacity, fast speed, simple operation, stable and reliable operation, and convenient mobile installation.
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