When the rotary drilling rig drill drill choose a certain stiffness in drilling or other operation, no moving and shaking, drilling installation shall comply with the manufacturer's standards. The construction can be equipped with short spiral drill, rotary bucket, Shandong small rig, core drill, small drills, core rotary drill bits, and other specifications. Construction, according to the following provisions choose a different auger drill bit depending on the soil and geological conditions: short spiral drill for clayey soil above the water table, silt, filling, medium dense than sand Coal small rig, weathered rock. Spiral turret, using Slurry Wall for the clayey soil above the water table, silt, sand, fill, gravel soil and weathered rock. Core auger for gravel soil, moderate hardness of rock and weathered rock. Core drill for rock and weathered rock cracks. Bit specification by the user according to the actual construction of the purchase option. Applications Applications anchor rig Anchoring drilling rig: The rig model is mainly used in power plants, road and rail mountain slope control anchor reinforcement, tunnel pipe - shed support, foundation piles anchor cable-stayed, anti - floating anchor, ground source heat pump wells, embankment reinforcement, hydropower dam foundation and dam seepage treatment, drainage holes, mine and quarry blast hole, micro pile hole and other projects, particularly suitable for bleaching, egg, crushed gravel stratum and strong weathering rock formations deep hole covered with tube drilling, drilling a variety of techniques can be used, in particular, to reflect its efficient, high-quality performance, to achieve the purpose of rapid drilling through complex formation, has broad anchoring in all kinds of geotechnical engineering application prospects. Small coal mines rig rig _ _ small dragon industry machinery supplied by Shandong Machinery Co., Ltd. Dragon. Machinery Co., Ltd. Shandong Long (www.longyejixie.com) strong, credible, in Tai'an, Shandong Engineering Machinery Parts industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead industry machinery and you work long into the brilliant, for a better future!