There are potential safety hazards in the full-section excavation method of tunnels in soft surrounding rock, especially the unpredictability of tunnel face collapse and block falling conditions, which will bring great personal and life threats to construction workers. The Yulongshan Tunnel of the

This article introduces that in order to improve production efficiency, the production unit lengthened the propulsion beam of the BOOMER281 excavation jumbo and replaced the original BMH2337 propulsion beam of the excavation jumbo with the BMH2343 extended propulsion beam. Whether the strength

Brand : EPIROC
Part No. : 3115261710
Description : Plug
Use in : Cop 1238k , Cop 1638 , Cop 1638hd , Cop 1838 , Cop 1838+ , Cop 1838cr , Cop 1838hd , Cop 1838hd+ , Cop 1838he+ , Cop 1840 , Cop 1840+ , Cop 1850cr , Cop 2238hd , Cop 2238hd+ , Cop 2550 , Cop 2550+ , Cop 2560 , Cop 2560+ ...

Taking the shaft construction of No. 2 return air shaft project as an example, based on the analysis of the mechanical conditions of the surrounding rock of the shaft, the paper puts forward the design principles of drilling and blasting parameters and the theoretical calculation basis, then

The remote control and even automatic operation of mining equipment is the core of realizing the intelligent construction of mines. In this paper, based on the rock drilling operation in the production area of the Yanyanshan Iron Mine with the sub⁃pillar caving method, the existing Simba1354 medium

Based on the application of the three - arm rock drilling trolley in the excavation and drilling construction of a single line railway tunnel, this paper controls the Angle of the excavation cut hole and the surrounding hole through the modification of the beam and the adjustment of the on-site

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

Brand : EPIROC
Part No. : 9106149541
Description : Clamp
Use in : Boltec 235 , Boltec Lc , Boomer M1d , Boomer M2d , Boomer Xe3 , Simba L6c , Simba M4c

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

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