Horizontal directional drilling equipment, referred to as an HDD drilling rig, is an underground pipeline construction equipment that subverts the traditional excavation mode. It cleverly uses guided drilling technology to accurately control the trajectory of the drill bit below the surface, achieve long-distance, curved underground drilling, and ultimately complete pipeline laying. Horizontal directional drilling equipment is playing an increasingly important role. It lays and maintains underground pipelines efficiently and accurately in an innovative way.【WhatsApp/WeChat/Skype/Phone】+86 136 1385 6800
Horizontal Directional Drilling Equipment Parameter:
| Model | YG-160A | YG-180 | YG-280 | YG-320 | YG-320A |
| Engine rated power | 100KW | 97KW | 160KW | 140KW/160KW | 160KW |
| Push and pull | Cylinder | Motor | Motor | Cylinder | Motor |
| Maximum drag/feed force | 160/100KN | 180/180KN | 280/280KN | 320/320KN | 320/320KN |
| The maximum torque of the powerhead | 5000N.n | 6000N.n | 10000N.n | 12000N.n | 12000N.n |
| Powerhead speed | 0-180r/min | 0-140r/min | 0-120r/min | 0-140r/min | 0-140r/min |
| Moving speed of powerhead | 30m/min | 20m/min | 20m/min | 20m/min | 20m/min |
| Maximum reaming hole diameter | Φ600mm | Φ600mm | Φ750mm | Φ800mm | Φ800mm |
| Drill rod length (single) | 3m | 3m | 3m | 3m | 3m |
| Drill pipe diameter | Φ60mm | Φ60mm | Φ73mm | Φ73mm | Φ73mm |
| Drill pipe diameter | 10-23° | 10-22° | 10-23° | 10-20° | 10-20° |
| Maximum mudflow | 160L/min | 250L/min | 320L/min | 320L/min | 320L/min |
| Maximum mud pressure | 100bar | 80bar | 80bar | 80bar | 80bar |
| Overall quality | 6700kg | 8500kg | 12500kg | 11500kg | 11200kg |
| Dimension(length*width*height) | 5700*1820*2400
mm | 6400*2270*2340
mm | 7100*2260*2450
mm | 7100*2250*2450
mm | 7662*2162*2450
mm |
Working Principle of Horizontal Directional Drilling Rig:
- Guided drilling, precise positioning: The HDD drilling rig first uses the guidance system to drill a guide hole from the ground along a predetermined curved trajectory. The guidance system is like a “clairvoyant” and a “wind-hearing” device, which detects the position and posture of the drill bit in real-time to ensure that the drilling direction is accurate.
- Bore expansion operation, diameter expansion, and capacity expansion: After the guide hole is penetrated, it is replaced with a larger diameter reamer to carry out reaming operations, gradually expand the hole diameter, and prepare for the subsequent pipeline pullback. The size of the reaming diameter depends on the diameter of the pipeline to be laid.
- Pipeline pullback, crossing underground: After the hole expansion is completed, the prefabricated pipeline is connected to the drill rod, and the pipeline is slowly pulled into the pre-drilled channel through the pullback function of the directional drilling equipment to achieve underground crossing and laying of the pipeline.
- Mud escort, stable drilling: During the entire drilling and pullback process, the mud system circulates continuously to cool the drill bit, lubricate the drill rod, stabilize the hole wall, and flush out the drill slag and cuttings to ensure smooth drilling operations.
Multiple Advantages of Horizontal Directional Drilling Rigs:
- High-efficiency advantage: Horizontal directional drilling rigs have a fast construction speed and high efficiency, especially in the laying of long-distance and large-diameter pipelines; the advantages are more obvious, which can greatly shorten the construction period and reduce time costs.
- Excellent economic benefits: Although the initial investment of directional drilling equipment is relatively high, its non-excavation characteristics can greatly reduce the amount of excavation, road repair costs, labor costs, and social impact costs, and the comprehensive economic benefits are much higher than traditional excavation methods.
- Outstanding environmental advantages: Horizontal directional drilling rigs minimize ground excavation and vegetation damage, reduce noise and dust pollution, conform to the concept of modern green construction and sustainable development, and make great contributions to environmental protection.
- Precise construction capabilities: The advanced guidance system gives the horizontal directional drilling rig extremely high construction accuracy, which can accurately control the drilling trajectory, ensure that the pipeline laying position and depth meet the design requirements, and avoid pipeline accidents.
- Wide adaptability: HDD drill rig can adapt to a variety of complex geological conditions, including sand, clay, gravel, and even rock formations, and can cross various obstacles such as rivers, lakes, railways, roads, buildings, etc., and its application scenarios are very wide.
- Higher safety: The trenchless construction method avoids deep foundation pit excavation, reduces safety risks such as landslides and ground subsidence, and ensures the safety of construction workers and the surrounding environment.
YG Machinery: Horizontal Directional Drilling Equipment Factory Direct Sales, Quality Assurance, Service First
YG Machinery, as a professional horizontal directional drilling equipment manufacturer, has always adhered to the business philosophy of “quality builds brand, service wins market”, and is committed to providing high-quality, efficient, and reliable horizontal directional drilling rig products and comprehensive services to global customers. We have a complete pre-sales consultation, in-sales support, and after-sales service system to ensure that you can enjoy professional, considerate, and efficient services from equipment selection, procurement, installation, and commissioning to use and maintenance later. Whether it is urban construction or crossing complex terrain, YG brand horizontal directional drilling rigs, which are cost-effective products, are your trustworthy partners! Contact us now to get exclusive horizontal directional drilling rig purchase plans and factory direct sales preferential quotations!【WhatsApp/WeChat/Skype/Phone】+86 136 1385 6800