عمود عالي القوة مضاد للإجهاد لجهاز الحفر الدوراني ساني SR280R

Significant lead in rock penetration ability

280kN · m torque+450kN super large pressure, combined with a rock adaptive system, automatically matches torque, speed, and pressure. The drilling efficiency of moderately weathered and slightly weathered sandstone and granite is increased by more than 30% compared to SR250; The power head is equipped with built-in buffering and shock absorption, which increases the service life of the gearbox and motor by three times.

Comprehensive adaptation of large-diameter deep piles

With a maximum aperture of 2.5 meters and a friction rod depth of 84 meters, it can undertake large-diameter pile foundations, ultra deep support piles, and high-rise load-bearing piles for high-speed railway bridges, covering large pile diameter projects that SR250 cannot handle.

High strength anti fatigue mast

The brand new truss box type mast is reinforced with rigidity, resistant to vibration and bending, and is not easily deformed by long-term impacts from pebbles and hard rocks. It has passed millions of fatigue strength tests.

Intelligent control+multiple safety protections

10 inch high-definition touch screen, real-time display of depth, verticality, and load torque; The main winch is equipped with anti roll measures, body tilt alarm, rotation collision prevention, and emergency stop rope to meet the safety standards of road and bridge construction sites.

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