Horizontal directional drilling machine is a construction machine that lays a variety of underground utilities (pipes, cables, etc.) without digging the ground surface. It is widely used in flexible pipelines such as water supply, electricity, telecommunications, natural gas, gas, and oil. In laying construction, it is suitable for sand, clay, etc. It is not suitable for high groundwater level and pebble stratum. Most of the non-hard rock areas in China can be constructed. 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, low cost, etc. It is widely used in water supply, Construction of gas, electricity, telecommunications, natural gas, oil and other pipelines. Horizontal directional drilling equipment has also achieved rapid development in more than ten years and has become an emerging industry in developed countries. Its development trend is toward large-scale and miniaturized, suitable for hard rock operations, self-provided anchoring system, automatic stacking and extraction of drill rods, automatic lubrication of drill rod connections, anti-electric shock system and other automatic operation functions, ultra-depth guidance monitoring, application Wide range of features such as development. This kind of equipment is generally suitable for steel pipes and PE pipes with a diameter of φ300~φ1200mm. The maximum pipe laying length can reach 1500m. It is suitable for various soil conditions from soft soil to hard rock, and has a broad application prospect.
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