ZLJ Series Coal Mine Tunnel Drilling Rig
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ZLJ Series Coal Mine Tunnel Drilling Rig

ZU Series Underground Drilling Rig for Coal Mines

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Product Introduction

This series of tunnel drilling rigs is mainly used for all-angle drilling operations in coal mines, including water detection, gas drainage, dust prevention and water injection holes, various engineering holes, and geological structure drilling. The rig adopts mechanical transmission and hydraulic feed, featuring simple structure, compact size, light weight, reliable performance, and easy operation and maintenance.

Product Features

  • Mine Application: Suitable for all-angle water detection, coal seam detection, gas drainage, and dust prevention water injection in underground coal mines;
  • Engineering Application: Suitable for grouting holes, threading holes, foundation pile acoustic testing holes, and core drilling holes for projects including subways, airports, expressways, high-speed railways, building reinforcement, and ground survey.

Machine Advantages

  • Adopts mechanical transmission and hydraulic feed, with an overall output efficiency of over 95% for the whole machine;
  • Compact structure and reasonable connection design, can be disassembled into four main parts: motor, rotator, gearbox winch, and frame control mechanism, for easy disassembly, assembly and transportation;
  • Hydraulic chuck design enables easy 360° drilling direction switching with simple operation;
  • Gears are processed by lapping and honing, and control valves are supplied by Xiangguan Hydraulics, which improves the overall quality of the machine;
  • Years of industry experience and a large number of proven technical cases for your reference;
  • Complete series of models with multiple options, which can be flexibly selected according to specific drilling requirements to save costs for your project.

Basic Performance Parameters

Basic Performance Parameters Unit ZLJ-350 ZLJ-400 ZLJ-850 ZLJ-1200
Output Torque Nm 350 400 850 1200
Vertical Spindle Travel MM 400 400 400 400
Rated Pulling Force KN 42 42 55 55
Rated Thrust Force KN 30 30 38 38
Drilling Angle Range ° 0-360 0-360 0-360 0-360
Oil Pump Rated Pressure MPa 12.5 12.5 12.5 12.5
Drill Pipe Diameter MM Φ42 Φ42 Φ42/Φ50 Φ42/Φ50
Oil Pump Rated Flow Rate L/min 20 20 20 20
Motor Rated Power kW 5.5 7.5 11 15
Motor Rated Speed r/min 1460 1460 1460 1460
Motor Rated Voltage V 380/660
660/1140
380/660
660/1140
380/660
660/1140
380/660
660/1140
Overall Dimensions (Length × Width × Height) MM 1250×640×1265 1250×640×1265 1430×640×1250 1470×640×1250
Machine Weight KG 460 480 520 540

 

 

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