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

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

Brand : EPIROC
Part No. : 0666809603
Description : Axial Seal
Use in : Boltec 235 , Boltec 235h , Boltec Lc , Boltec Md , Boomer 281 , Boomer 281dh , Boomer 282 , Boomer 353 , Boomer K111 , Boomer L2c , Boomer L2d , Boomer M2c , Boomer M2d , Boomer Xl3

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

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

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

Brand : MONTABERT
Part No. : 86790912
Description : Seal
Use in : Hc 95

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

In this paper, the mechanized construction technology for high-speed railway tunnel is comprehensively analyzed. Through the introduction of advanced mechanical equipment and technology, such as full computer three-arm drilling rig, long-span telescopic mobile treble, etc., multiple improvements