The drilling trajectory of the horizontal drilling machine can be straight or gradually curved. When steering around obstacles, or crossing highways, rivers and railways, the direction of the drill bit can be adjusted. The drilling process can be carried out between the pre-dug launch pit and the receiving pit, or it can be drilled directly from the surface at a small angle at the site where the drilling rig is installed. The laying of work pipes or conduits is usually carried out in two steps. First, drill pilot holes along the required trajectory, and then expand the hole to enlarge the hole diameter to meet the requirements of the working pipe. In the second step, which is the dragging process, the working pipe is connected to the reamer through a rotary joint, and is pulled into the enlarged borehole with the dragging of the drill rod. Under complex stratum conditions or when the pore size needs to be increased greatly, a multi-stage reaming method can be used to gradually expand the pore size.

In recent years, equipment capabilities have improved, and the superiority of trenchless technology has also been more appreciated. Some public pipeline companies have already envisaged that when trenchless alternatives are available, they will oppose the use of open-cut construction methods (especially on roads). In addition to the significant environmental benefits of trenchless construction, in many engineering applications, the relative cost of pilot hole drilling has been reduced to that of open-cut construction, even when the social cost of interference is ignored.

Horizontal drilling rig is a construction machine that lays a variety of underground utilities (pipes, cables, etc.) without excavating the ground surface. It is widely used in the construction of pipelines for water supply, electricity, telecommunications, natural gas, gas, and oil. Among them, it is suitable for sand, clay, pebble and other land conditions, and can be constructed in most non-hard rock areas in my country. The working environment temperature is -15℃~+45℃. Horizontal directional drilling technology is a new construction technology that combines the directional drilling technology of the petroleum industry with traditional pipeline construction methods. It has the advantages of fast construction speed, high construction accuracy, and low cost. It is widely used in water supply, Gas, electricity, telecommunications, natural gas, oil and other pipelines are under construction. Horizontal directional drilling equipment has also achieved rapid development in more than ten years and has become an emerging industry in developed countries. At present, its development trend is moving towards large-scale and miniaturization, adaptation to hard rock operations, self-contained anchoring systems, automatic stacking and extraction of drill pipes, automatic lubrication of drill pipe connections, anti-shock systems and other automatic operation functions, ultra-depth guided monitoring, Wide range of applications. This kind of equipment is generally suitable for steel pipes and PE pipes with pipe diameters of φ300~φ1200mm, and the pipe laying length can reach 1500m. It is suitable for various soil conditions from soft soil to hard rock, and has broad application prospects.

       To sum up, due to the unique advantages of horizontal drilling rigs, its development prospects are considerable. If you want to buy a horizontal drilling rig, call the phone on our website or click on the online consultation.