KJ311 hydraulic tunneling drilling rig apply to 12-35 square meters section of hard rock mine excavating working.

1. Reliable universal drll boom is with the best shape of cross section covers,and propulsion beam turns 360°and keeps balance automatically for drilling quicky and easily positioning;At the same time drill boom also can be used in the lateral opening and bolt hole positioning

2. The arrangement of drlling rig ensures drivers'vision is good

3. Balanced arrangement and strong four-wheel drive articulated chassis ensure flexibility,speed and safety during driving in the narrow alley

4. High-frequency impact dill adopts cascade piston to optimize eficiency of the shock wave transmission. Improve the dilig speed, and reduce the cost of ril tool and increase integrity rate of the equipment.

5. Spacious working space and a series of automaticfunctions are helpful for the driver concentrate into dillng safely,fasty and accurately;The maintenance parts are protected well,for easy to maintair