Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)

Product Details
Customization: Available
After-sales Service: Online or Onsite
Warranty: 1 Year
Gold Member Since 2020

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Year of Establishment
2000-03-03
Plant Area
100000 square meters
  • Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
  • Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
  • Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
  • Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
  • Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
  • Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
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Basic Info.

Model NO.
ZDY4000LD(C)
Condition
New
Motor
AC Motor
Drill Hole Diameter
<100mm
Drill Hole Depth
>300m
Bit Type
Drag Bit
Drilling Way
Compound
Rated Torque
4000~1050 N·m
Rotary Speed
70~240 R/Min
Braking Torque
1000 N·m
DIP of The Main Axis
-90~+90 °
Horizontal Drill Height
1.25~1.90 M
Max Feed/Pull Force
123/155 Kn
Feed/Pull Stroke
600 mm
Power
55 Kw
Max Travelling Speed
1.6 Km/H
Max Gradeability
15 °
Weight
6300 Kg
Rod Diameter
73/63.5 mm
Azimuth Adjustment
-90~+90 °
Transport Package
Wooden Box
Specification
3.96*0.95*2.02
Trademark
MK
Origin
Xi′an

Product Description

[Application scope]
ZDY4000LD(C) full hydraulic underground directional drilling rig is a compact small-scale directional drilling rig integrated with drill unit, power pack, operation panel, explosion-proof laptop, flow meter and emergency stop switch. It is applicable to various drilling operation such as mud drive downhole motor directional drilling, air drive downhole motor directional drilling and regular rotatory drilling. Application of the rig includes directional drilling operations for gas drainage, water detection or discharge, grout injection, exploration of geological structure, detection of seam thickness, water injection into coal seam, etc.

[Main characters and advantages]
(1) The drilling rig meets the construction requirements of both mud drive downhole motor and air drive downhole motor. With air drive downhole motor, the system can also be used in soft and outburst-prone coal seams (Protodyakonov Coefficient (f)≤0.5).
(2) The width of the machine in transportation condition is only 0.95m. Therefore it has strong adaptability and can adapt to the multi-purpose drilling construction in narrow roadway and underground space.
(3) Integrated control valve design allows the control console has compact in structure, less hose connection and high reliability, which is also convenient for later maintenance.
(4) The rig has large adjustment ranges of drill azimuth, height and inclination with hydraulic angle adjustment device. Azimuth angle can be adjusted from-90° to +90°, and the horizontal lifting height is 0.65m. The horizontal drilling height can be adjusted from 1.25 to 1.90m. The tilt angle of drilling can be adjusted from -90° to +90°.
(5) The feeding system adopts steel-to-steel structure guide rail for wear resistance, good performance and long service life. Two-sided rotatable front top device is convenient for on-site adjustment of stable points. It can maintain stable and reliable when stabilize the rig, and it can also be easy to deploy the BOP device.
(6) The rig has a stable retractable stabilizing device. It can be adjusted according to the needs during on-site construction. The distance between the four lower legs can be adjusted from 0.95m to 1.39m which leads wider support width and higher stability.


[Technical specification]
Type ZDY4000LD(C)
Rated torque/N·m 4000~1050
Rotary speed/(r/min) 70~240
Braking torque/N·m 1000
Borehole depth/m 400
Rod diameter/mm 73/63.5
Dip of the main axis/° -90~+90
Azimuth adjustment/° -90~+90
Horizontal drill height/m 1.25~1.90
Max feed/pull force/kN 123/155
Feed/pull stroke/mm 600
Motor power/kW 55
Max travelling speed/(km/h) 1.6
Max gradeability/° 15
Weight/kg 6300
Dimension(L×W×H)/m 3.96×0.95×2.02


[Patent certificate]
Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)




[Adjustment range of drill azimuth, height and inclination]
Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)

Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)





[Supporting drilling tools and technology]

Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)






[Application]
1.Air screw motor directional drilling in soft coal seam-------------Qinglong Coal Mine, Guizhou

Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
Borehole number Borehole depth m Footage m
1 340 667
2 385 499
3 382 775
3-1 352
4 103 223
5 295 850
5-1 292


Stratum situation:The coal seam is thin, soft and broken, the permeability is poor, the gas content is large and the pressure is high. The average thickness of 16# coal seam is 2.88m, the gas content is 12.16-18.28m3 /t, the hardness coefficient of coal seam F =0.37, the gas pressure P=0.52MPa, and the maximum is 0.90MPa.
Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
Borehole number Borehole depth m Footage m
1 274 517
2 406 746
2-1 307
3 301 409
4 307 760
5 328 580
5-1 307
6 307 448
7 322 469

From March to May, 2018, 5 directional drilling holes and 2 main branch holes of broken soft coal seam were completed on site in the north section of track 21606 of Qinglong Coal Mine, with the maximum hole depth of 385m and the total drilling feet of 3,014m. From June to August, 7 directional drilling holes and 2 main branch holes of broken soft coal seam were completed in 21608 track parallel drilling yard, with the maximum hole depth of 406m and the total penetration of 3929m. The hole formation rate of drilling holes above 300m was 88.9%. As of 2019, air screw drilling tool directional drilling technology has been used to construct 35 bedding gas drainage boreholes with a depth of 150m, a hole diameter of 108mm, and a spacing of 6m at the 21606 working face of Qinglong Mine.




2.Directional drilling under the cover of bedding strips------------Longfeng Coal Mine, Guizhou
Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
From February 25 to April 5, 2019, a total of 10 directional drilling main holes and 8 branch holes were constructed. The cumulative total footage is 3613m, and the hole formation rate is 100%.



Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)

Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)

Medium-Deep Hole Narrow-Body Directional Drilling Rigs for Coal Mine Zdy4000ld (C)
 

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