Development Trends Of Roller Cone Drilling Rigs

As investment in the mining industry continues to increase, the demand for large-scale roller drilling rigs is also increasing, especially in open-pit coal mines. The current development trends of domestic and foreign roller cone drilling rigs include:
1) Increase the drilling diameter. It is generally considered appropriate to keep the drilling diameter in the range of 250 to 311 mm;
2) Increase the shaft pressure, rotation power and drilling rig weight to implement intensified drilling;
3) Use high drill frame and long drill pipe to reduce the auxiliary operation time of the drilling rig;
4) Make the drilling rig multi-purpose and capable of drilling inclined blast holes to meet the requirements of mining technology;
5) Take measures to improve the service life of roller cone drill bits;
6) Develop electric transmission and use static control to drive AC and DC motors;
7) Improve the working conditions of drivers and increase the comfort of the driver's cab;
8) Improve the automation level of drilling rigs and comprehensively improve the economic benefits of drilling rigs;
9) Using PLC-video system, various performance parameters of operation can be provided to the driver at any time.