A lightweight core sample drilling rig for geological tunnel exploration is a portable, compact drilling system designed for rapid and efficient subsurface sampling in confined underground environments. Unlike heavy-duty core drill rigs, this equipment prioritizes ease of transport, quick setup, and minimal operational footprint, making it ideal for preliminary site assessments, reconnaissance drilling, or sampling in narrow tunnel headings and exploratory adits.
Hydraulic core drilling rig typically features a modular frame, a low-weight power unit (often gasoline, diesel, or electric), and a simple rotary or percussion drilling mechanism. It is capable of collecting disturbed or partially disturbed soil and rock samples from shallow to moderate depths, providing rapid geological characterization without requiring large support equipment. Common applications include fault zone identification, groundwater sampling, rock quality classification, and geotechnical parameter estimation for tunnel design.
Key advantages include its high maneuverability, low logistical demands, and suitability for locations with restricted access. While it may not achieve the deep penetration depths or high core recovery rates of larger rigs, its portability and ease of operation make it a valuable tool for early-stage tunnel exploration and geotechnical surveys.
This is just a part of the overseas clients who came to our company to negotiate cooperation, sign contracts and take photos.
We welcome more overseas clients to come to our company for negotiation and cooperation.
Products Description
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SRC400UG HYDRAULIC UNDERGROUND TUNNEL DRILLING RIG Technical Parameter
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Spindle rotational speed
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280-1200r/min
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Spindle torque
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910Nm
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Axial feeding force
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≥70KN
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Axial pulling force
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≥120KN
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Hydraulic system working pressure
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20MPa
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Max pressure
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25MPa
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Main pump max pressure
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31.5MPa
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Auxiliary pump max pressure
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21MPa
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Power head stroke
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1600mm
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Surface drilling angle
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0-90
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Underground drilling angle
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0-360
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Azimuth angle
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0-360
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Motor Power
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55Kw
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Motor rotational speed
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1480rpm
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Machine body/outer size
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2800㎜×1020㎜×1550㎜
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Weight
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1335Kg
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Power car/size
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1720㎜×690㎜×1420㎜
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Weight
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765Kg
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Console/size
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500㎜×405㎜×1080㎜
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Weight
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80Kg
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Drilling depth of various diameters
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Bit
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Drill Rod
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Material
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Drill Depth/m
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Outer Dia. mm
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Outer Dia. mm
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Rod Material
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Down
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Horizontal
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UP
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Φ59(BQ)
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Φ55.6×4.8
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XJY850
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550m
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500m
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300m
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Φ75(NQ)
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Φ69.9×4.8
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XJY850
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450m
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400m
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250m
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Φ95(HQ)
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Φ88.9×5.5
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XJY850
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350m
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300m
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200m
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Company Profile
Quzhou Sanrock Heavy Industry Machinery Co.,Ltd is founded in 2017, fastly develop as a key enterprise in the industry of mine field, geological exploration, water well field and engineering construction field, with the ability to research, manufacture and market.
Sanrock products now cover more than 10 species such as:
Mining Drilling Rig Engineering Drilling Rig
Underground Drilling Rig Solar Pile Drilling Rig
Water Well Drilling Rig Rotary Drilling Rig
Core Drilling Rig Air Compressor
We have many year experience in these fields to offer various solutions, with ISO 9001 and CE certificate to guarantee our quality control. We also have excellent engineer and sale teams to serve different customers' demand.
We also offer comprehensive after-sales service support, including on-site installation guidance, operation training and regular maintenance services, to ensure that customers have no worries during the use of the equipment.
We Sanrock here wish to hand in hand with our customers,create better future!
This is just a part of the overseas clients who came to our company to negotiate cooperation, sign contracts and take photos.
We welcome more overseas clients to come to our company for negotiation and cooperation.
1.What can you buy from us?
DTH drilling rig,core drilling rig,reverse circulation drilling rig ,highway pile driver,solar pile driver ,
anchor pile driver,rotary drill rig ,Top Hammer drill rig,underground jumbo drill rig ,DTH hammer,drill rod,
screw air compressor,water well drilling rig,truck mounted water well drilling rig,screw air compressor,
piston air compressor,pneumatic rock drill ,drill bit,tricone bit ,spare parts.
2.Do you provide design drawing and customization services for complete machines and drilling tools?
Please provide your technical specifications or project background details, and we are ready to develop a customized proposal based on your requirements.
This includes 2D and 3D design drawings , delivered in various formats including DWG, PDF, STEP, and IGES.
Our engineering team specializes in developing tailored solutions that meet your specific operational requirements, geological conditions, and performance objectives.
3.How is the shipment? How long dose it take?
A: For large quantity or heavy products, we ship by sea shipping or land shipping.
Shipping efficiency depends on country and city you want to ship to.
For small and delicate products, we ship by DHL, UPS, Fedex or TNT. You can also appoint shipping method you like before we ship.
4.How is your quality control?
We have our own experienced QC. There will be strict inspection and testing for every order before shipping out.
Our comprehensive inspection service goes beyond basic checks. We analyze performance,and provide a detailed report to maximize your uptime, reduce operating costs, and extend the lifespan of your equipment.
Product Tags:
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Lightweight Core Sampling Drilling Rig Geological Drilling Rig Equipment Mining Core Drilling Machine Images
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