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DSHD-300A Sea Engineering Geological Exploration Drilling Rig

DSHD-300A Sea Engineering Geological Exploration Drilling Rig

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zhuhai dshing import&export Co.,ltd

Zhuhai,Guangdong,China

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Features: 1) Top drive power head of drill adopted frequency changer to adjust rotary speed steplessly. It features long feeding stroke, compact structure, rational arrangement and wide regulating speed range. With the result that drilling rig can meet

1. Application:

DSHD-300A sea
engineering geological exploration drilling rig is a top drive power head type
drilling machine with long feeding stroke. It adopts the advanced technique of
regulating rotary speed with frequency changer and equipped with 12 m high
derrick and heave compensator. It can be used to work under the condition of
100 m water depth and wind scale less than 5 grade. It also used for water area
geological exploration drilling and pile hole drilling on river or lake. The
main set of drill can be used for drilling pile holes in land.

3. Specifications:

1) Hole diameter Ø110 - Ø600 mm

2) Hole depth 350 -60 m

3) Rod diameter Ø50 mm - Ø127 mm

4) Rotary speed of top drive power head

   Low speed range (forward and reverse)
7-233 r/min

   High speed range (forward and reverse)
16-540 r/min

5) Feeding stroke of top drive power head 3500 mm

6) Electromotor power of top drive power head 30 kW

7) Lifting capacity (single wire rope) of main hoist 30 kN

   Lifting capacity (single wire rope) of
auxiliary hoist 20 kN

8) Derrick height 12 m

   Derrick load 180 kN

9) Mud pump BW-250 mud pump, BW-600 mud pump

10) Hydraulic break out apparatus

    Center hole diameter Ø450 mm

    Breaking out diameter of rod or
casing Ø50, Ø127, Ø178 mm

    Breaking out torque 2.2 kNm

11) Overall mounting dimension of main set

    Length×Width×Height 2800×1500×5800 mm

12) Weight 6500 kg