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HGD-300A Drilling Rig

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Introduction The HGD-300A marine engineering geological survey drilling rig is a long stroke power head type drilling rig. The power head rotation adopts frequency conversion speed regulation technology, equipped with a 12 meter drilling tower and a lifting and sinking balance mechanism. It can drill in waves below level 5 at a depth of 100 meters, and can also be used for water geological survey construction and pile foundation engineering construction in rivers and lakes. The main unit can also be used as a land foundation engineering construction drilling rig.

Main features ● The drilling rig power head adopts variable frequency speed regulation, and the mechanical power head provides a long process, compact structure, reasonable layout, and wide speed regulation range, which can meet the needs of drilling in various complex formations.
● Set up a safe and reliable power head anti fall mechanism to ensure the safety of equipment and personnel.
● The drilling rig is equipped with a fine-tuning drilling mechanism, which facilitates balanced drilling.
● Equipped with a hydraulic pipe twisting machine, it realizes the mechanization of twisting and unloading drill rods, reduces labor intensity, and improves drilling efficiency.
● The power head of the drilling rig is moved back as a whole, making way for the opening of the hole. The operating space at the opening of the hole is large, making it convenient for drilling operations.
● The equipped bottom hole sampling equipment can meet the needs of taking rock samples from various complex formations.

Technical Parameter

Drill depth	350-60m
Borehole diameter	￠110-￠600mm
Drill pipe diameter	￠50-￠127mm
Power head speed	Low speed (front and back) 7-233r/min High speed (front and back) 16-540r/min
Provide progress for power head	3500mm
Electric power of the power head	30kw
Main winch	Single rope lifting capacity 30kN
Pay for the winch	Single rope lifting capacity 20Kn
Drilling tower height	12m
Drilling tower load	180kN
Mud circulation pump	BW-250 BW-600
Hydraulic pipe twisting machine through-hole diameter	￠450mm
Unscrew the diameter of the drill pipe or casing	￠50、￠127、￠178mm、Shackle torque 2.2kN.m
Outline dimensions for host installation	Length×Width×Height 2800×1500×5800mm
Drill weight	6500kg

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