1.Rugged and reliable,Powerful engine,low oil consumption,Safe,roof ROPS and FOPS approved, Heavy duty and verrsatile boom means direct,fast and accurate positioning.

2.Feed rotation unit with 360 degrees rollover and 360 degrees rotation,could drill side doors and bolting holes.

3.High performance with reliable hydraulic control system,ergonomically designed operator environment,good visibility and hand reach servicability on the panel.

4.Heavy feed and rotation rock drill designed for any face condition,Operation friendly for easy drilling and tramming.  

5.Consideration space and automatic functions enable the driver to concentrate on drilling in a safe, fast and accurate manner.All the relevant parts are kept in good protection, meanwhile maintenance easily.

6.The stepped piston is used for the high-frequency impacting rock drill and this can improve the transmission efficiency of impact wave and drilling speed and reduce the consumption of drilling tools and make it in good condition.

SRJ31 Underground Jumbo Drilling Rig
Main application:Hard rock blasting holes drilling,Tunnelling,Mining,Hydropower projects.

The drilling rig is fitted with the flexible boom in two symmetric rectangular coordinates, without any operation blind spot. 360°rotation and self-leveling beam make drill positioning easy, it can also be used for the drilling of lateral cross-cut and rock bolting.

The drilling rig provides a good view for the operator, balanced layout and the articulated chassis of four-wheel drive ensure the flexible, fast and safe driving in the narrow tunnel.

Comfortable operator station provides safe working condition. Many automatic features simplified the drilling control and helps the miners to concentrate on fast and accurate drilling.