The content of GB/T6247 does not include "rock drilling jumbo". In fact, the term "rock drilling jumbo" is widely used. It is particularly common in railway tunnel excavation and underground mining engineering, and has been established by usage. It is suggested that the drilling jumbo should be defined when the standard is revised in the future. Open-air top hammer impact drilling equipment is generally called drilling rig, not rock drilling jumbo, which is also established by usage. 06. Sum up The names of commonly used drilling equipment are arranged as follows: (1) Fixed drilling equipment can only be called drilling rig; (2) The drilling equipment using the roller bit can only be called a roller drill; (3) Rotary cutting drilling equipment shall be called drilling rig, such as cutting drilling rig and rotary drilling rig; (4) Equipment using power head for drilling shall be called drilling rig, such as pipe shed drilling rig and top drive drilling rig; (5) Down-the-hole percussive drilling equipment should be called down-the-hole drill; (6) Open-air top hammer percussive drilling equipment should be called open-air top hammer drilling rig; (7) Tunnel and underground top hammer percussive drilling equipment should be called rock drilling jumbo; (8) Drilling equipment modified from automobiles should be called drilling rig; (9) If the traveling speed is very slow, such as less than 10KM/H,Mining Drilling Equipment, it should be called a drilling rig. Thank you for reading, remember to press the official account! Return to Sohu , see more Responsible Editor:. wt-dthtools.com