railway tunnel Economic Analysis on Mechanized Matching in Construction of Railway Tunnels The investment impact of large－scale Mechanized Matching in Construction of Railway Tunnels with drilling and blasting method is analyzed in this paper． Taking a newly built railway tunnel project as an example，the economy and construction schedule of Ⅰ，Ⅱ and Conventional mechanized Matching schemes
tunnel engineering Research on Mechanical Excavation Line of Railway Tunnel and Its Construction Technology Combined with the engineering practice of high-speed railway tunnels, the mechanized selection of excavation lines is compared and analyzed, the advantages and disadvantages of advanced support construction of different pipe diameters are compared, and the control technology of over
three-arm rock drilling rig An Application of the Three-Arm Drilling Trolley to the Controlled Blasting Technique in Tunnels Briefly introduce that in the construction of the Dapo Tunnel of the Guizhou-Zhangzhou-Changzhou Railway, the three-arm rock drilling rig is used as the carrier, and the principle of controlled blasting is applied. The drill and blast design has been implemented in terms of high-precision initiation
parts search 3115917090 Brand : EPIROCPart No. : 3115917090Description : Oring SetUse in : Cop 1638hd+ , Cop 1838+ , Cop 1838hd+ , Cop 1838he+ , Cop 1838mux+ , Cop 1840+ , Cop 2238hd+ , Cop 2550+ , Cop 2560+ , Cop Sc25
rail transit Application technology of fully computerized three-arm jumbo drill in tunneling mechanization construction As one of the important machinery and equipment for tunneling mechanization, the fully computerized three-arm jumbo drill has been widely used in tunnel construction. This paper takes the mechanized construction of a high-speed railway tunnel as an example, and describes the construction
rock drilling rig Research on Efficiency Improvement of Simba_H1354 Rock Drilling Rig Simba_H1354 rock drilling rig is a medium and deep hole rock drilling equipment imported from abroad by Anhui Development Mining Co., Ltd., as the service life increases, due to the failure of the hydraulic working system, there are problems such as low drilling efficiency and high cost of
subsea tunnel Full-section grouting rapid drilling construction technology of three-arm rock drilling rig in Jiaozhou Bay Subsea Tunnel At present, most of the full-section drilling and grouting equipment adopts the pneumatic down-the-hole hammer single-arm multi-functional drilling rig, which has high cost, low efficiency, slow speed and large pollution. The three-arm rock drilling rig has a large operating range, flexibility
Hydraulic rock drill Concise Introduction to EPIROC's COP MD20 Hydraulic Rock Drill The paper outlines EPIROC’s COP MD20 hydraulic rock drill and analyzes its advantages in usage. This hydraulic rock drill is compared with COP 1838 in terms of structural features. The paper also assesses the technical road of double- side oil return system and the prospect of COP 1838 product.
three arm rock drilling trolley Research on Application Technology of Computer Three-arm Rock Drilling Trolley in Excavation of Jinping Tunnel In recent years, large-scale highway construction and development has become the main melody of the transportation sector, under this trend, the traditional tunnel construction technology can not meet the national environmental protection, low energy consumption, economy and high safety and quality
parts search 5112303639 Brand : EPIROCPart No. : 5112303639Description : Waist PinUse in : Boomer 281 , Boomer 281dh , Boomer K111 , Simab H1252 , Simba H1254 , Simba H1257
Chongli railway Chongli Railway Zhengpantai Tunnel Leveling Guiding Turning Zhengdong Three-arm Rock Drilling Rig Roof Lifting + Double Contact Channel Rapid Construction Technology With the increasing progress of large-scale mechanized construction of long tunnels, how to choose the matching three-arm rock drilling rig for excavation, how to use reasonable and optimized technical solutions to solve technical problems in various specific situations, and achieve the effect of
down-the-hole drilling rig Research and Application of Dry Dust Removal System for Surface DTH Drilling Rig The drilling process of mining brings a lot of dust pollution. Dust with particles smaller than 10 μm is difficult to settle to the ground after being discharged into the atmosphere, and has a strong adsorption force. Many harmful gases, liquids, and heavy metal elements can be adsorbed on it.
