📦 Underground Mining Drilling Rigs

Kaishan KQLG-115 Underground Drilling Rig

Name: Kaishan KQLG-115 Underground Drilling Rig
Brand: Kaishan
SKU: KQLG-115
Availability: InStock

Model: KQLG-115

The Kaishan KQLG-115 underground drilling rig is a compact, track-mounted hydraulic rig engineered for underground mining, tunneling, and underground water well drilling. Designed for drilling depths up to 150 m with hole diameters of 76–115 mm, it combines a powerful 78 kW diesel engine with a robust hydraulic feed system for reliable performance in confined spaces. Its DTH and rotary drilling capability handles hard rock efficiently, while the low-profile design ensures easy maneuverability in narrow drifts and shafts. Ideal for mining contractors, tunnel construction, and underground water exploration, the KQLG-115 delivers stable drilling, reduced downtime, and low operating cost. With proven Kaishan reliability and global service support, this underground drill rig is a smart choice for demanding underground drilling projects.

Best For

Underground Mining Tunnel Construction Underground Water Well Geological Exploration

Technical Specifications

Model	KQLG-115
Drilling Depth	25 m
Hole Diameter	90–152 mm
Drilling Method	DTH and Rotary
Engine Power	78 kW
Weight	4500 kg
Dimension (L×W×H)	4500×1500×2200 mm

Get a Quote Check Fit

Selection Advantages Applications Comparison Components Principle Features Packaging Service FAQ

Product Details

## Overview The Kaishan KQLG-115 is a track-mounted underground drilling rig specifically developed for underground mining, tunneling, and underground water well applications. As part of Kaishan's underground drill rig series, it offers a compact structure, powerful hydraulic system, and reliable diesel power, making it suitable for drilling in confined spaces where larger surface rigs cannot operate. The model number indicates a nominal drilling depth of approximately 150 m and a hole diameter range of 76–115 mm, positioning it as a versatile mid-range underground drilling solution. ## Technical Features The KQLG-115 is built around a robust hydraulic system that drives the rotation unit, feed chain, and track travel. It supports both DTH (down-the-hole) hammer drilling and rotary drilling, allowing operators to adapt to different rock formations. The 78 kW diesel engine provides ample power for underground conditions while maintaining fuel efficiency. The rig features a low-profile design with a height of approximately 2.2 m, enabling it to work in drifts with limited headroom. The track undercarriage ensures stable movement on rough underground floors, and the articulated boom allows precise positioning of the drill head. A centralized control panel simplifies operation and reduces operator fatigue. ## Applications The KQLG-115 is widely used in underground mining for blast hole drilling, in tunnel construction for rock bolting and exploration holes, and in underground water well projects for water supply and dewatering. Its ability to drill both vertical and inclined holes makes it suitable for various underground drilling tasks. The rig can also be used for geological exploration and grouting holes in underground engineering projects. ## Why Choose Kaishan KQLG-115 Kaishan is a leading manufacturer of drilling equipment with decades of experience. The KQLG-115 combines proven technology, durable components, and user-friendly design. It is easy to maintain, with readily available spare parts and global service support. Whether you are a mining contractor, tunnel builder, or water well driller, the KQLG-115 offers a reliable and cost-effective underground drilling solution.

Technical Selection

Key parameters for matching this machine to your job. Send us your hole diameter, depth and rock condition and our engineers will confirm the right configuration.

Hole Diameter

90–152 mm

Drilling Depth

25 m

Engine Power

78 kW

Weight

4500 kg

Dimension (L×W×H)

4500×1500×2200 mm

Not sure this model fits? Tell us the hole diameter and depth — we will confirm the matching rig, compressor and hammer.

Check with an engineer

Key Advantages

✓

Compact track-mounted design for underground confined spaces

✓

Drilling depth up to 150 m with hole diameter 76–115 mm

✓

Powerful 78 kW diesel engine for reliable underground performance

✓

Supports both DTH hammer and rotary drilling methods

✓

Low-profile structure with height approx. 2.2 m for narrow drifts

✓

Hydraulic feed and rotation for stable and efficient drilling

✓

Centralized control panel for easy operation and reduced fatigue

✓

Proven Kaishan reliability with global service and spare parts support

Applications

📍 Underground Mining

Blast hole drilling in underground mines for ore extraction and development.

Solution: The KQLG-115's compact size and powerful hydraulic system allow efficient drilling in narrow stopes and drifts, improving productivity and safety.

📍 Tunnel Construction

Rock bolting, exploration, and grouting holes in tunnel projects.

Solution: With its articulated boom and DTH capability, the rig drills accurate holes for rock support and geological investigation in tunnel faces.

📍 Underground Water Well

Drilling water supply and dewatering wells in underground mines and caverns.

Solution: The KQLG-115 can drill water wells up to 150 m deep, providing reliable water supply or dewatering solutions in underground environments.

📍 Geological Exploration

Core drilling and exploration holes for mineral and geological surveys.

Solution: The rig's rotary drilling mode and precise control enable efficient sampling and exploration drilling underground.

Similar Models in This Category

This model is unique in its series — here are similar models from the same category.

Model	Model	Hole Diameter	Drilling Method	Engine Power	Weight	Inquire
KQLG-115This model	KQLG-115	90–152 mm	DTH and Rotary	78 kW	4500 kg	Get a Quote
KAISHAN KJ310	Kaishan KJ310	32-76 mm	Rotary / DTH	45 kW	12000 kg	Get a Quote
KAISHAN KJ311	Kaishan KJ311	32-76mm	Hydraulic percussion + rotation	93 kW	12000 kg	Get a Quote
KAISHAN KJ311D	Kaishan KJ311	32–89 mm	Top Hammer / DTH	45 kW	7,500 kg	Get a Quote
KJ422	Kaishan KJ422	76-152 mm	DTH / Rotary	—	22000 kg	Get a Quote
KJ421	Kaishan KJ421	—	Hydraulic percussion	93 kW	22,000 kg	Get a Quote
KM211	Kaishan KM211	—	Top Hammer / DTH	60 kW	12000 kg	Get a Quote
KM311	Kaishan KM311	—	DTH / Rotary	60 kW	12000 kg	Get a Quote

Compare 2–3 models? Tick the boxes and send them together — we will quote each one for you.

Inquire All

Tip: select multiple models and click “Inquire All” — the selected models are added to the quote form automatically, so you get a faster quotation.

Not sure which model fits your project? Send us your working pressure and air demand — our engineers will recommend the right one.

Get a Recommendation 💬 WhatsApp

Main Components

Diesel engine
Hydraulic pump and system
Rotation unit (rotary head)
Feed chain and cylinder
Track undercarriage
Articulated boom
Control panel
Drill string and bit

Working Principle

The Kaishan KQLG-115 underground drilling rig operates on a hydraulic drive system powered by a diesel engine. The engine drives a hydraulic pump that supplies pressurized oil to various components, including the rotation unit, feed system, and track motors. For drilling, the rotation unit turns the drill string, while the feed system applies thrust to advance the bit into the rock. In DTH mode, a down-the-hole hammer is used, where compressed air (supplied by an external compressor) drives the piston to deliver high-frequency impacts, breaking rock efficiently. In rotary mode, the bit cuts rock through rotation and thrust. The hydraulic system also controls the boom and positioning cylinders, allowing precise alignment of the drill hole. The track undercarriage enables the rig to move independently underground. The operator controls all functions from a centralized panel, ensuring safe and efficient operation.

Detailed Features

▸Compact and low-profile design for underground use
▸Track-mounted for mobility in confined spaces
▸Dual drilling method: DTH and rotary
▸Powerful 78 kW diesel engine
▸Hydraulic feed and rotation for stable drilling
▸Articulated boom for precise hole positioning
▸Centralized control panel for easy operation
▸Durable components and easy maintenance

Packaging & Shipping

The Kaishan KQLG-115 underground drilling rig is typically shipped in a 40HQ container or flat rack, depending on configuration. The rig is partially disassembled for transport, with the boom and drill head removed if necessary. All components are securely fastened and protected with anti-rust coating and waterproof wrapping. Delivery time is approximately 30–45 days after order confirmation. Ports of shipment include Shanghai, Ningbo, or Qingdao, China. Custom packaging and shipping arrangements can be made upon request.

After-Sales Service

Kaishan offers comprehensive after-sales service for the KQLG-115. The rig comes with a 12-month warranty or 2000 working hours, whichever comes first, covering major components. A 24-hour technical support hotline is available for troubleshooting. We provide free training for operators and maintenance personnel at our factory or on-site (travel expenses may apply). Genuine spare parts are available globally through our distributor network, ensuring minimal downtime. Regular maintenance reminders and service kits are also offered to keep your rig in optimal condition.

Frequently Asked Questions

What hole diameter and drilling depth does the KQLG-115 cover?+

The KQLG-115 drills hole diameters of 90–152 mm to a drilling depth of 25 m. It uses both DTH and rotary drilling methods. The rig weighs 4500 kg.

What engine powers the KQLG-115 underground drilling rig?+

The KQLG-115 is powered by a 78 kW engine. This diesel power source drives the hydraulic feed and rotation system for underground drilling. The rig measures 4500×1500×2200 mm.

What air supply does the KQLG-115 need for DTH hammer drilling?+

The KQLG-115 supports DTH hammer drilling and rotary drilling. The required air supply for the DTH hammer is not stated in the available specifications. Contact us for matching compressor details.

Where can the KQLG-115 be used?+

The KQLG-115 is built for underground mining, tunnel construction, underground water wells and geological exploration. Its low-profile structure with a height of approximately 2.2 m suits narrow drifts and shafts. The track-mounted design allows mobility in confined spaces.

How is the KQLG-115 shipped and what is the delivery time?+

The KQLG-115 is typically shipped in a 40HQ container or flat rack, partially disassembled with the boom and drill head removed if necessary. Delivery time is approximately 30–45 days after order confirmation. Components are protected with anti-rust coating and waterproof wrapping.

What warranty and after-sales support come with the KQLG-115?+

The KQLG-115 comes with a 12-month warranty or 2000 working hours, whichever comes first, covering major components. A 24-hour technical support hotline is available for troubleshooting. Free operator and maintenance training is provided at our factory or on-site, with travel expenses possibly applying.

What drilling methods does the KQLG-115 support?+

The KQLG-115 supports both DTH and rotary drilling methods. This dual capability lets operators adapt to different rock formations underground. The hydraulic feed and rotation system provides stable drilling.