With the continuous improvement of tunnel construction mechanization, three-arm rock drilling jumbos have been widely used. Their drilling method uses high-pressure wind and water for drilling and slag discharge. However, for areas lacking water or unstable rock formations when encountering water

In the field of specialized equipment for tunnel construction, the stable operation of rock drilling trolleys is an important factor affecting the progress of tunnel construction.The hydraulic system of the rock drilling trolley supports the operation of the entire equipment,and the failure of the

Brand : EPIROC
Part No. : 3115112600
Description : Assembly Tool
Use in : Cop 1025 , Cop 1028 , Cop 1032 , Cop 1132 , Cop 1435 , Cop 1532 , Cop 1638 , Cop 1638hd+ , Cop 1838 , Cop 1838+ , Cop 1838cr , Cop 1838hd+ , Cop 1838mux+ , Cop 1840 , Cop 1840+ , Cop 1850cr , Cop 2550 , Cop 2550+ ...

Taking the Chunmushan Tunnel of Zhitong Expressway as the background, the application of full-process mechanized equipment in expressway tunnels is introduced. The application of seven supporting tunnel construction process equipment (full-process mechanized equipment) including a two-arm rock

With the continuous development of social economy, the scale of tunnel construction in my country is becoming more and more complete. In fact, in order to ensure the personal safety of construction workers, ensure the safety and quality of tunnel construction, and effectively speed up the

In order to apply mechanized drilling and blasting method for large-section tunnel construction in weak surrounding rocks， construction technologies of rock drilling and arch installation were studied based on Laifu tunnel of Chongqing-Kunming high speed railway. Through the renovation of the

With the rapid development of the transportation industry, the national highway network continues to expand to remote mountainous areas in the southwest. The number of highway projects in mountainous areas is also increasing year by year, and the proportion of extra-long tunnels is increasing.

Brand : MONTABERT
Part No. : 86758182
Description : Seal
Use in : Hc 95

Drill boom is the positioning and support of drilling, and its performance directly affects the efficiency and quality of drilling. Once the boom stops working, the entire drilling operation cannot be completed. The failure of the drill boom is analyzed and the troubleshooting method is introduced.

Based on the research on the cost and influencing factors of the three-arm rock drilling rig in expressway tunnel engineering, the article mainly focuses on the project overview, the basic parameters and applicability of the three-arm rock drilling rig, and the use of the three-arm rock drilling