Taking the III. and IV. grade surrounding rock construction section of Loushan Tunnel in Xinbin County, Fushun City, Liaoning Province as an example, mechanized supporting construction is carried out on the tunnel construction section. The design of the construction technology and the development

In view of the fact that the length of the hydraulic telescopic parallel boom of the traditional double-arm rock drilling rig can not meet the construction requirements of different excavation methods of large-section tunnels and is prone to the phenomenon of stuck drilling, and at the same time

Brand : EPIROC
Part No. : 3128078385
Description : Clamp
Use in : Boomer 104 , Boomer 281 , Boomer 282 , Boomer 353 , Simba H157

The three⁃arm drilling jumbo is specialized equipment for hard rock tunnel construction using the drill⁃and⁃blast method. Its boom system is crucial for the extensive operational range of the end drill. Addressing the issues of easy vibration and large deformation in the boom system of the

As a key mechanical equipment for mechanized tunnel construction, the fully computerized three-arm drilling rig has been widely used in tunnel construction. Based on this, taking the construction of a fully computerized three-arm drilling rig in a railway tunnel as an example, the functions of

Steel used for percussive rock drill rod has strict requirements for chemical composition nd heat treatment of raw materials due to its use in broken rocks. Based on the macroscopic analysis, chemical composition, macro, metallography and hardness test of 3 different kinds of defects and normal

Aiming at the problems of low technical level and poor reliability of domestic rock drilling jumbo, high cost and long supply cycle of purchasing foreign brands, Jinchuan Nickel Cobalt Research & Design Institute developed and designed 1DM4 single-arm rock drilling jumbo. Through CAN bus, the data

Brand : MONTABERT
Part No. : 86313228
Description : Socket Head Screw
Use in : Hc 109

According to the actual situation of Yanzishan tunnel project, the specific application of rock drilling rig in its construction is analyzed in depth, including construction preparation and construction technology, and the advantages of rock drilling rig application are discussed, such as

continuous development of China's scientific and technological level, there has been a qualitative leap in underground mining technology. At present, in order to strengthen the mining efficiency of underground metal mines in China, it is necessary to strengthen research on underground mining