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Special-shaped multi-edge grooved drill pipe-beneficial mining drilling technology
Release time:
2020-10-14
Author:
Source:
1. Product Performance Overview Special-shaped multi-edge grooved thrust slag discharge drill pipe, referred to as heavy-duty three-edge grooved drill pipe, is our company's latest research and development of coal mine tunnel drilling this coal seam gas drainage drill pipe, the coal seam hardness coefficient of the adaptability of a wide range of new drilling products. It is widely used in deep hole drilling construction of high gas coal seam, especially soft coal seam. Under the reasonable design condition of bit diameter difference, the spiral groove thrust slag discharge structure is added on the basis of the triangular greasy smear mixing and protecting hole. Selection of high-quality joints and rod body material by friction welding, machining center CNC machine tool finishing, with high torque, adapt to the performance characteristics of high speed drilling. Heavy Triangular
1. product performance overview
Special-shaped multi-edge grooved thrust slag discharge drill pipe, referred to as heavy triangular grooved drill pipe, is the latest research and development of our company coal mine tunnel drilling this coal seam gas drainage drill pipe, the coal seam hardness coefficient of the adaptability of the new drilling tool products. It is widely used in deep hole drilling construction of high gas coal seam, especially soft coal seam. Under the reasonable design condition of bit diameter difference, the spiral groove thrust slag discharge structure is added on the basis of the triangular greasy smear mixing and protecting hole. Selection of high-quality joints and rod body material by friction welding, machining center CNC machine tool finishing, with high torque, adapt to the performance characteristics of high speed drilling.
Heavy-duty triangular grooved drill pipe according to German HazemagEH260The hydraulic drilling rig has the characteristics of high speed, spindle drive deep hole drilling, and has been developed with drill pipe quick-change propulsion spindle, triangular transmission coupling, high-speed follow-up wind supply, multi-wing diamond.PDCSupporting products such as drill bits and unpowered negative pressure dust collectors realize a fast transmission mode of triangular cylindrical insertion transmission without connecting the main shaft thread during drilling, reducing the construction risk of thread damage caused by the hydraulic motor butt drill pipe, and greatly improving the drilling construction efficiency.
2.Adapt to the environment
Adapter Rig: Torque6500N.mWithin the main shaft drive or clamping drive hydraulic drilling machine;
Working angle:±90°；
Drilling depth:≥260m;
Cooling medium: ventilation drilling,Rated pressure0.4-1.6MPA
Adapter bit:Φ63.5Drill pipe fitting Φ75, Φ85
Φ73.0 Drill pipe fitting Φ85, Φ94
Φ89.0 Drill pipe fitting Φ113, Φ127
Key words:
Technology, Drill Pipe, Transmission, Adaptation, Triangular, Coal Seam, Drilling, Spindle, Hydraulic, Drilling
