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Splitting Crawler Hydraulic Drilling Rig for Narrow Coal Mine Roadway Zdy4300lf (A)
Splitting Crawler Hydraulic Drilling Rig for Narrow Coal Mine Roadway Zdy4300lf (A)
Splitting Crawler Hydraulic Drilling Rig for Narrow Coal Mine Roadway Zdy4300lf (A)
Splitting Crawler Hydraulic Drilling Rig for Narrow Coal Mine Roadway Zdy4300lf (A)
Splitting Crawler Hydraulic Drilling Rig for Narrow Coal Mine Roadway Zdy4300lf (A)

Splitting Crawler Hydraulic Drilling Rig for Narrow Coal Mine Roadway Zdy4300lf (A)

Min.Order: 1
Product origin: Xi'an, Shaanxi, China
Infringement complaint: complaintComplaint
US$ 94960 ~ 98476

Description
[Application scope and technical characteristics]
ZDY4300LF series drill rigs are splitting crawler mounted drill rigs with high rotation torque and drill capacity. There are two components of the drill rig, drill unit and pump station. It is mainly used to drill gas drainage boreholes with a wide range of possible angles in the roof and water detection/drainage boreholes. Some other applications include drilling operations of cluster borehole, geological exploration borehole and engineering boreholes. The rig has capacity to drill as deep as 350m (with borehole diameter of 95mm). It is quite suitable for drilling in narrow roadways, tunnels and underground drill sites.

Some significant advantages of ZDY4300LF rigs are as follows,
1.Comparative small width
Both of the drill unit and pump station have width as narrow as 0.85m which is quite suitable operated and transported underground or in tunnels.
2.Wide range of main axis azimuth and inclination angle adjustment
Both azimuth angle and inclination angle can be adjusted at a range of -90°~90° which can enhance the adaptability and drill boreholes in a wide range of angle.
3.Wide range of drill height
Drill height can be adjusted in a wide range of 1.3m~2.3m (distance from center line of borehole to the bottom of the rig).
4.Reliable hydraulic system and high performant operability
All the control can be done through operating grips of hydraulic valves conveniently.




5.Crawler mounted drill rig, easy to move
With crawlers droved by hydraulic system, it is quite easy to move both rig unit and pump station in the roadway. More labors are saved. 


[Technical specification]
TypeZDY4300LF(A)
Rated torque/N·m4300~1050
Rotary speed/(r/min)60~200
Borehole depth/m300
Rod diameter/mm73/63.5
Dip of the main axis/°-90~+90
Azimuth adjustment/°-90~+90
Horizontal drill height/m1.2~1.8
Max feed/pull force/kN90/120
Feed/pull stroke/mm600
Motor power/kW55
Max travelling speed/(km/h)1.5
Max gradeability/°15
Weight/kgDrill crawler4200
Power pack crawler3075
Dimension(L×W×H)/mDrill crawler2.86×0.85×1.85
Power pack crawler2.62×0.85×1.82

[Application]
1.Luling Coal Mine, Anhui, China
8 boreholes, 385m are drilled in just 4 days in experiment. Drill efficiency was increased by more than 35% compare with other rigs.
Hole No.Azimuth angle/°Inclination angle/°Depth/m
1#04045
2#07033
4#06136
5#05339
6#04642
8#03542
9#03059
10#02673


                           On-site designed borehole profile

2.Huangling Coal Mine, Shaanxi, China
5 boreholes, 612m were drilled in experiment.  The large depth reached 280m.

                                                    Inner seam borehole drilling
Hole No.Azimuth angle/°Inclination angle/°Depth/mTotal/m
1#751140612
2#75352.5
3#75-173.5
4#90-2.566
5#900280

                                                          Roof borehole drilling
Hole No.Azimuth angle/°Inclination angle/°Depth/mTotal drill/m
6#2920144924
7#2520132
8#2016132
9#2114132
10#178132
11#1512132
12#178120

                                                  Cross seam borehole drilling
Hole No.Azimuth angle/°Inclination angle/°Depth/mTotal drill/m
13#-104587714
14#-65281
15#-752126
16#-660153
17#-463117
18#-369150






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