In recent years, bolt (anchor cable) support has been widely used in anchor protection of subgrade slopes and underground engineering. In the past, the construction of bolts (anchor cables) generally used hand-held down-the-hole drills (air leg rock drills) to form holes. Hand-held down-the-hole

In the process of vigorously promoting the "Belt and Road" policy in my country, more and more engineering contracting companies have responded to the call of "going global" and participated in the competition in the international market. It has become a new normal for construction companies to

Brand : EPIROC
Part No. : 3128304355
Description : Sliding Piece
Use in : Simab H1252 , Simba H1254 , Simba H1354 , Simba L6c , Simba M4c

Taking a single-track tunnel of a plateau railway as the research background, the full-section with invert one-time excavation technology was studied in the weak surrounding rock section, which saved resources and avoided many problems caused by the secondary blasting of the traditional invert. The

Based on the Jinyun Mountain Tunnel project of the Chongqing-Kunming high speed railway Chongqing-Yibin section， this paper explored the key technologies and equipment for mechanized construction. The results show that the improved three arm rock drilling trolley can adapt to the conversion of

In the process of rapid development of infrastructure construction, many highway construction projects have been approved and invested in various cities, and in some cases, it is inevitable that highway tunnel construction will be involved. Highway tunnel construction not only involves a series

The exploration of the progress and trend of underground metal mining technology and down-the-hole drills is beneficial to the healthy development of the mining industry. Therefore, this paper conducts a detailed exploration of the progress and trend of underground metal mining technology and

Brand : EPIROC
Part No. : 3128311578
Description : Shim
Use in : Simab H1252 , Simba H1254 , Simba H1354 , Simba L6c , Simba M4c

This paper combines the construction characteristics of pumped storage power station tunnels and the actual needs of the ventilation safety tunnel excavation project of Luoning Pumped Storage Power Station, innovatively designs a new type of rock drilling safety protection trolley, puts forward

The solid model was established by the efficiency was greatly improved, Surpac and Zhongwang CAD software, and the middle and deep hole design was carried out by using surpac software .According to the parameters of hole network of scheme 1 and scheme 2, the industrial test is carried out. After