Core role of hydraulic systems in water well drilling rig

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The hydraulic system is the “power heart” of water well drilling rig, directly determining efficiency and stability. It converts mechanical energy to hydraulic energy via pumps, then uses cylinders and motors to rotate, lift and advance the drill bit.

 

  1. Efficient power transmission: It loses less energy than mechanical drives, maintaining stable output over long distances. It precisely controls drill pipe speed and force, even for deep drilling—boosting torque instantly in hard rock to avoid jamming.
  2. Precise controllability: Valve groups adjust flow and pressure to control components accurately. Parameters like feed and rotation speed adapt to geology—slowing in soft soil to prevent collapse, increasing torque in dense rock to speed progress.
  3. Overload protection: When hitting sudden resistance (e.g., rocks), relief valves release excess pressure, protecting motors and drill pipes. This extends rig life and cuts maintenance costs.

 

Whether small portable rigs or large truck-mounted ones, hydraulic systems are vital, reflecting overall rig performance.水井鑽機