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ZDY7300LX crawler type hydraulic drilling rig for coal mine
  • Applicable Scope
    They are mainly used for the pre release hole (for detection of water and gas) of the tunneling work, Degasing holes into the coal seam, Top and bottom stone roadway degasing holes as well as other coal and rock workplaces requiring geological exploration and drilling。
  • Outstanding Features

    The front part of the guide rail of the drilling rig is equipped with a sealing device. The whole sealing process is controlled by hydraulic pressure. The control is simple and the sealing effect is good.

    2. The Crawler traveling is adopted, which has greatly improved the efficiency of moving and stabilizing the drilling rig and alleviated the labor intensity of workers.
    3.The front part of the guide rail of the drilling rig is equipped with a sealing device. The whole sealing process is controlled by hydraulic pressure. The control is simple and the sealing effect is good.

    4。 The top slab is supported by column, based on which the steady drilling is carried out。 The drilling rotates with the rotary wheel, so that the supporting drilling and steady drilling can be accomplished quickly in the complex downhole environment。

    5. For the whole hydraulic drilling operation, during the drilling, the power chuck and front clamp work together. This not only avoids the risk of downward movement of the drilling rig, but also improves work efficiency.

    6.Hydraulic locking method is adopted for inclined brace of drilling rig, which has simple control and good stabilization effect.

    7. The host guide rail is mounted with a servo angle instrument (patented technology of the Company), which can easily and accurately position the drilling pitching angle.

    8.Different types and drill bits can be provided depending on the various user demands, in order to satisfy the different requirements for the water exploration and discharge, gas pumping, caving, water injection, deep geological drilling and other different purposes.

  • Technical Parameters

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