Khả năng thích ứng toàn diện của giàn khoan xoay SANY SR445

Strong rock penetration and construction capabilities

High torque and high-power configuration, specifically designed for hard rock, slightly weathered granite, limestone, and isolated rock formations, capable of handling 60-150MPa hard rock drilling; The maximum pile diameter is 3m and the maximum drilling depth is 116m, suitable for large-diameter and ultra deep piles, bridges, wind power, and high-rise building pile foundations
The pressurization stroke can be switched between 10m conventional and 21m ultra long pressurization. Loose backfill and pebble formations can be filled with long casing, while hard rock can be drilled with strong pressurization, and both soft and hard formations can be penetrated. Equipped with the sixth generation 580 series machine lock drill rod, integral pressure platform, upgraded rod body reinforcement ring, impact and wear resistance

Reliable structure and high overall stability

Large tonnage dedicated chassis, widened tracks, large triangular drilling mast structure, reasonable center of gravity layout, anti vibration, crack resistance, and impact resistance. It is not easy to shake or deviate holes on harsh construction sites
The main winch adopts a single-layer large-diameter drum, and the steel wire rope has no interlayer compression friction, which increases the service life of the steel wire rope by about 35% and reduces the risk of rope breakage. Rock type heavy-duty reducer, stable torque output, high attendance rate under long-term hard rock working conditions

Power system, energy-saving and economical

Equipped with power optimization intelligent distribution technology, the hydraulic pump control accurately matches the load, and the composite action response is fast; Compared to other models in the same class, the comprehensive fuel consumption has decreased by 10-15%, and heavy working conditions do not require fuel consumption, resulting in lower long-term construction and operation costs

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