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

Brand : EPIROC
Part No. : 3128259403
Description : Hydr. Cylinder
Use in : Boomer 104 , Boomer 281 , Boomer 281dh , Boomer K111 , Boomer K41 , Boomer K41x , Boomer S2

This article collects the number of manufacturers and product models of domestic hydraulic rock drill products in 2023, and compares them with the overview in 2016. This article divides my country's hydraulic rock drill products into four types: airborne, outrigger, handheld and blast furnace

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

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

Brand : EPIROC
Part No. : 4350261776
Description : Buffer
Use in : Roc D55 , Roc D65

The shank adapter of hydraulic rock drill broke after drilling 4000 m. Failure analysis is conducted using fracture morphology observation, chemical composition, mechanical properties and microstructure analysis. The results show that the material of shank adapter has well wear resistance and

This paper mainly analyzes the processing technology of the hot embedded tooth drill body, that is, the machining process and the heat treatment process. By selecting the reasonable materials and processing through a series of steps, and through a large number of comparative experiments, it is