Used rotary drilling rig CRRC 280D
Product name
second hand CRRC280D rotary drilling rig, good condition piling rig, new condition drilling tool machine
Specification
1. It is economical and efficient, mainly used in big hole -diameter pile civil construction;
2. Diesel engine has load induction and output power auto-control;the fuel consumption drops 5-10%;
3. 5-level anti-vibration technology absorbs drilling vibrational frequency all-directionally to guarantee high stability;
4 . The special lubricating system makes sure that it can work under high-temperature environment;
5. The removable and symmetrical structure design doubles the service life of rotary drive key;
6 . Crowd cylinder has two operation modes---normal lifting and fast lifting to improve push efficiency;
7. The rig balance monitoring system can be ordered to enhance construction safety.
