This type of drilling rig generally adopts hydraulic crawler telescopic chassis, self-lifting foldable drill mast, telescopic drill pipe, automatic verticality detection and adjustment, hole depth digital display, etc. The operation of the whole machine generally adopts hydraulic pilot control and load sensing. It is easy to operate and suitable. The main and auxiliary winches can be applied to the needs of various situations on the construction site. This type of drilling rig is matched with different drilling tools, suitable for dry (short spiral) or wet (rotary bucket) and rock formation (core drilling) drilling operations. It can also be equipped with long augers, underground diaphragm wall grabs, and vibratory pile hammers. It can realize multiple functions and is mainly used for basic construction such as municipal construction, highway bridges, industrial and civil buildings, underground continuous walls, water conservancy, and anti-seepage slope protection. Domestic experts believe that rotary drilling rigs will still have a large market in China in the next few years.