This paper mainly studies the application of three-arm rock drilling trolley in tunnel excavation. Firstly, the basic structure and working principle of the three-arm drilling rig are described. Secondly, its role and advantages in tunnel excavation construction are discussed. Finally, combined

Mechanized tunnel construction has become a trend in the construction industry, and it is imperative to liberate the manpower required for traditional construction operations. The fully automatic adaptive multi arm rock drilling and initial support operation vehicle provides a combination of

Brand : EPIROC
Part No. : 0147148103
Description : Screw. Hex Head
Use in : Boltec 235h , Boltec Lc , Boomer 104 , Boomer 281 , Boomer 281dh , Boomer 282 , Boomer 353 , Boomer K111 , Boomer K41 , Boomer L2c , Boomer L2d , Boomer M2c , Boomer M2d , Boomer S1d , Boomer Xe3 , Boomer Xl3 , Cop 1238k , Cop 1638 ...

The entire construction industry is currently basically entering the era of mechanization; With the continuous innovation of construction machinery technology, the safety, stability, automation level, and work efficiency of machinery are also constantly optimized. Combined with the development trend

The biggest challenge in the production and research and development of rock drilling tools is the research and development of hard alloy materials and corresponding heat treatment processes, which involve professional fields such as mining engineering, metal materials and heat treatment

Based on the application status of rock-drilling jumbo， in order to solve the problem of large average linear overbreak amount when drilling and blasting with rock-drilling jumbo， the section of grade Ⅲ surrounding rock (DK23 +075—DK23 + 155) at the left tunnel entrance of Taixingshan tunnel

This paper focuses on the mining tunnel of the Shenzhen-Huizhou intercity Dapeng branch line, and the goal is to analyze the technical feasibility and economic benefits of mechanized drilling and blasting method in the construction of mining tunnels.we worked to improve and adjust the blasting

Brand : EPIROC
Part No. : 3222327753
Description : Seal Kit
Use in : Roc D7 , Roc D9

Based on the Fengshuling Tunnel of Quli Railway, the factors of tunnel excavation construction efficiency and the applicability evaluation of the three-arm rock drilling rig in three different excavation conditions of long and large tunnels were analyzed. The results show that the surrounding rock

In this paper, based on the industry standard and the application situation and naming method of the product models of rock drilling rigs from the main domestic and foreign manufacturers, the compilation principles and methods of the product models of rock drilling rigs and the application and