جهاز الحفر الدوراني YUCHAI YCR280E المتين والموفر للوقود

Complete set of Rexroth main pump+main valve+rotary/walking motor

Dual mode of load sensitivity and total power limit control, multi action composite operation (pressurization+rotation+winch lifting), flow distribution without competing for oil, synchronized drilling, soil throwing, and displacement operations without lagging; The system has a working pressure of 32MPa, stable high-pressure output, and sufficient impact force for hard rock fragmentation.

Super high pressure lifting capability

The maximum downward pressure is 220kN (22 tons), the maximum lifting force of the main winch is 250kN (25 tons), the pressure stroke is 5000mm, the single soil sampling depth is large, reducing frequent drilling and improving drilling efficiency by more than 25%.

Single layer double fold line main winch (core differentiation selling point)

Mid mounted single row winch layout, single layer winding of steel wire rope, completely solves the problems of multiple layer winding biting and wire breakage, doubles the service life of steel wire rope, and significantly reduces the cost of consumable replacement; The winch belt is equipped with automatic anti roll and buffering pressure relief protection to prevent equipment from being damaged due to impact.

New multi-stage shock-absorbing power head

Dual motor high torque output, with a continuously adjustable speed of 6-28rpm; Built in multi-level shock-absorbing structure, with minimal drill pipe vibration and low mast loss; Optional casing drive device can be selected to support full casing construction, cope with quicksand and silt collapse in the formation, and meet the requirements of high standard building and subway foundation pit pile foundation; Equipped with one key high-speed soil dumping as standard, the discharge of waste soil is faster.

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