rock drilling rig The Working Principle and Disassembly Specification of the Turning Device of the Boom System of the Rock Drilling Rig The flipping device is the standard configuration of most rock drilling rigs to realize the turning action. In view of the unclear principle of the flipping device and the irregular disassembly and assembly of the repair personnel, this paper describes in detail, in order to provide help for
road tunnel Research on technology of mechanized construction of Zhengxi high-speed railway Funiu mountain tunnel In order to ensure the quality and safety of highway mountain tunnel construction and to solve the problem of limited construction schedule of long tunnels，it is proposed to use mechanized construction combined with smooth blasting method to achieve safe and reliable tunnel construction. In view
deep-hole bench blasting in open-pit mine Study Prospect of Precision Blasting Technology in Open-pit Deep Hole Bench Since the 21st century, with the progress and development of drilling equipment and blasting equipment, scale of open-pit blasting mining is expanding, and the open-pit deep hole bench blasting technology enters a new stage of refinement. In recent years, open-pit deep-hole bench blasting technology
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high-speed railway tunnel Application Technology of Rock Drilling Rig in the Construction of High-Speed Railway Soft Surrounding Rock Tunnel Engineering This paper introduces the general situation of a single-hole double-track high-speed railway tunnel project, and combines the actual construction of its large-section soft surrounding rock tunnel project. The application technology of construction, optimization of construction operation plan
tunnel Application of Three-arm Rock Drilling Rig in Tunnel Construction Excavation costs account for a large proportion of the construction costs of railway tunnels. In order to reduce project costs, it is the general trend to replace manual excavation with three-arm rock drilling rigs. Based on the hydrogeological conditions and construction technology of
three-arm rock drilling rig Discussion on Application Management Strategy of Three-arm Rock Drilling Rig in Railway Tunnel Construction With the continuous development of social economy, the scale of tunnel construction in my country is getting bigger and bigger. In practice, in order to ensure the safety and quality of tunnel construction and the personal safety of construction personnel, and to speed up the construction progress
rock drilling rig Researches on Development and Trend of Axles in Wheeled-Rock Drilling Rig The rock drilling rig is a special machine used for drilling holes and installing anchor rods in the drillingblasting operations. With the thriving demands for the rock drilling rigs in the domestic markets, the development of rock drilling rigs has seen fierce competitions. The axles
rock drilling rig Research on process precision control of multi-arm rock drilling rig in tunnel construction In the process of tunnel drilling and blasting excavation, the optimization of the tunnel construction process and the precision control of the multi-arm rock drilling rig have an important impact on the construction quality and the progress of the construction period. This paper takes
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rock excavation A Short History of Foreign Mining and Rock Excavation Machines and It’s Enlightenment The paper covers the development and evolution of leading foreign rock drilling machinery manufacturers such as Ingersoll Rand, Eprioc, Atlas Copco, FAGERSTA, Montabert, and Sandvik, as well as the developmental history of rock drilling machinery and drilling tools. It also gives some advice on the
COP RR14 rock drill Analysis and Countermeasures of Common Faults of New COP RR14 Rock Drill The hydraulic rock drill is the core component of the rock drilling support trolley, and its performance determines the use efficiency of the equipment. However, there will be various failures in the use and maintenance. Through the analysis of the causes of different failures, the root causes
