Core drilling rig is a kind of core drilling equipment, which is mainly used for the census and exploration of metallic and non-metallic solid minerals, in addition, it can also be used for engineering geological survey, hydrogeological survey, oil and gas field census and exploration, and water well drilling and so on. Because the core drilling rig requires to take out the more complete, unmixed and non-flexing stratum rock samples, so the core drilling rig are rotary drilling rigs. According to the structural form of the drill rig rotary, core drilling rigs can be divided into three major categories: vertical shaft type, rotary table type and mobile rotary type.