Henan Rancheng Machinery Co., Ltd.
Henan Rancheng Machinery Co., Ltd.
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Portable Type RCH-3A Underground Core Drilling Rig Exploration Tunnel Mine Drilling Rig
Product Description
The RCH-3A fully hydraulic down-the-hole drill features a modular split structure design, boasting a lightweight body for easy transportation. The equipment provides multi-mode operation capabilities via an optimized hydraulic system and can perform large-diameter conical drilling, hard rock metal drilling, and impact rotary drilling processes. Its innovatively designed telescopic drilling rig system enables autonomous sliding positioning of the mast, and the foldable structure of the entire machine achieves a zero-gap fit between the drilling rig and the working base, significantly enhancing the equipment's anti-overturning stability and operations safety in complex working conditions.
Product Specifications
| Drilling depth | dia.55mm drilling rod | 350m | Drill rod spec | 55x1500mm | |
| 71x1500mm | |||||
| dia.71mm drilling rod | 200m | ||||
| The range of spindle rotating speed | 425-1280 rpm | The max. rotating torque of the spindle | 895N.m | ||
| The working pressure | 25MPa | Spindle stroke | 1600mm | ||
| The max. lifting force of the drill head | 62KN | The max. feeding force of the drill head | 33KN | ||
| The sliding stoke of mast | 495 mm | The swing angle of mast bracket(left&right) | 90 degree | ||
| The swing angle of the arm(up and down) | 100 degree | Power unit | YB225M-4(dIICT4) | ||
| Explosion-proof electric motor | 45KW/1480 rpm | ||||
| Dimensions | Main machine(L*W*H) | 2950*950*1850 mm | weight | Main machine | 1000kg |
| Power unit | 1050kg | ||||
| The power unit(L*W*H) | 1900*980*1320 mm | ||||
| Operation cabinet | 140kg | ||||
| Operation cabinet(L*W*H) | 540*360*1080 mm | ||||
Application
This equipment is mainly used in coal mining, geological exploration, metallurgical mining, foundation engineering and other fields. It can not only implement the construction of large-diameter gas extraction holes/water injection holes in mine tunnels, but also meet the needs of horizontal directional drilling in hard rock formations of tunnel engineering. As a multifunctional construction platform, it is also suitable for large-diameter horizontal directional drilling operations in ground foundation pile engineering, especially showing excellent hole-forming accuracy and construction efficiency under complex formation conditions.
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