The main purpose and characteristics 1 Engineering geological survey of railway, hydropower, traffic, bridge, dam foundation and other buildings. 2 Geological core drilling, physical survey. 3 Small grouting Confucius, blasting hole drilling. 4 Small wells drilled. Rig features 1 With hydraulic feed mechanism to improve drilling efficiency, reduce labor intensity. 2 The rig is equipped with a card-holding mechanism and a hexagonal active drill pipe. It can be turned down without stopping the machine. High efficiency, convenient and safe. 3 With a pressure gauge at the bottom of the hole to facilitate the control of the situation inside the hole. 4 Handle centralized, easy to operate. 5 Compact structure, small size, light weight, strong decomposition, easy to relocate.