Full Hydraulic Crawler Drilling Rigs for Underground Coal Mines (Gas Drainage Boreholes)

Full Hydraulic Crawler Drilling Rigs for Underground Coal Mines (Gas Drainage Boreholes)

Main Features:
1.Crawler mounted drilling rig with high torque.
2.Can be positioned over a conveyor belt.
3.Easy transportation and a wide range or borehole azimuth and pitch angles.

Description

Full Hydraulic Crawler Drilling Rigs for Underground Coal Mines (Gas Drainage Boreholes)

Application

 ZDY4000LP(A) is a crawler mounted drill rig with high torque. It can use both ordinary outer planar drill roads for conventional drilling and spiral drill rods as well. It can be positioned over a conveyor belt, it is mainly used to drill gas drainage boreholes in coal seam and it’s adjacent seams. The rig is characterized by easy transportation and a wide range or borehole azimuth and pitch angles.


Techinical Data


Type

ZDY4000LP(A)

Borehole depth/m

350

Rod diameter/mm

73

Rated torque/N.m

4000

Rotary speed/r/min

70~240

Max feed force/pull force/kN

123

Feed stroke/mm

780

Dip of the main axis/°

-30~60

Power/kW

55

Total weight/kg

5500

Max traveling speed/km/h

2.0

Max gradeability

20

Contact pressure/mPa

0.048

Dimension (LxWxH)/m

4.7*1.5*2.0

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