Horizontal Directional Drilling Rig Pneumatic DTH (Down-The-Hole) Hammer Rig is a specialized trenchless drilling system that utilizes compressed air as its primary power source.
The core of its operation is the pneumatic DTH hammer, a powerful percussion tool located directly behind the drill bit. Compressed air, supplied by a high-capacity air compressor on the surface, drives the hammer to deliver rapid, high-impact blows to the bit while simultaneously rotating it and flushing cuttings out of the borehole. This combined percussion-rotation action allows for efficient fracturing and penetration of rock.

Key characteristics and advantages of this type of rig include:
Superior Hard Rock Performance: The direct impact energy of the DTH hammer makes it vastly more effective in granite, basalt, limestone.

Simplicity & Robustness: The pneumatic system is often mechanically simpler and more durable than complex hydraulic systems, leading to potentially higher reliability and easier maintenance in harsh conditions.
Intrinsic Safety: In underground mining or environments with explosive gas risks, pneumatic systems eliminate the hazard of hydraulic fluid fires and do not produce electrical sparks, enhancing operational safety.
Steering Capability: While the pneumatic hammer provides the percussive force, directional control is achieved through a non-magnetic drill string and a steering tool housed in a specially designed housing behind the hammer. This allows the operator to adjust the tool face and navigate the planned path.
These rigs are typically deployed in challenging applications such as hard rock utility installations (e.g., fiber optics, gas lines crossing rocky terrain), mine infrastructure development (drainage, ventilation, or conduit installation within rock tunnels), exploratory coreless drilling, and horizontal grouting or rock bolting for geotechnical stabilization.
In summary, the HDD Pneumatic DTH Drilling Rig is the preferred solution for trenchless, directional installations in demanding geological conditions where rock strength, environmental constraints, or safety requirements rule out other drilling methods.

Products Description

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.

Company Profile

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?
A: We have our own experienced QC. There will be strict inspection and testing for every order before shipping out.

Established in 1992, Quzhou Sanrock Heavy Industry Machinery Co., Ltd. is a manufacturer specialized in the research, development and production of DTH drilling rig, Water well drilling rig, DTH hammer, DTH bits, Drilling Pipe and all accessories about above products.

We are located in Quzhou City, Zhejiang, with convenient transportation access. And our factory covers an area of 10,000 square meters and has more than 500 staff.

All of our products comply with international quality standards and are greatly appreciated in a variety of different markets throughout the world. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the nearfuture.