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2020
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Large-section tunnel excavation rock drilling jumbo and matching rock drilling tools
Tunnel drilling jumbo is a rock drilling equipment for tunnel excavation and drilling operations. Its main functions include drilling blasting holes (blast holes), anchor holes, cut holes, installation of explosives, anchor rods, air duct operations, pipe shed construction operations, etc.
Large-section tunnel excavation rock drilling jumbo and matching rock drilling tools
Overview of rock drilling jumbo for tunneling
Tunnel drilling jumbo is a rock drilling equipment for tunnel excavation and drilling operations. Its main functions include drilling blasting holes (blast holes), anchor holes, cut holes, installation of explosives, anchor rods, air duct operations, pipe shed construction operations, etc. Tunnel excavation rock drilling jumbo generally has2-3A rock drilling boom, each with an impact power of not less18kW hydraulic rock drill, the drilling area covered in100-200square meters, drilling depth4-5Meters. The tunnel drilling jumbo has a high degree of automation and generally has the functions of automatic anti-jamming and drilling, anti-air drilling and automatic drill-back.,At present, it is developing into intelligent operation.
At present, the large-section tunnel drilling jumbo in China mainly includes TZ2T and TZ3A rock drilling jumbo of Xugong Railway Equipment Company, ZY82 and ZY113 rock drilling jumbo of Tiejian Heavy Industry, DW2-100 of Jiangxi Xintong Company, DW3-180 tunnel drilling jumbo, and DJ3 rock drilling jumbo of China Railway Equipment. Foreign tunnel drilling equipment includes Sandvik DT1331i intelligent tunnel drilling jumbo and DT1131 tunnel drilling jumbo. Boomer XE3 C,Boomer E4 series rock drilling jumbo, etc.
Large cross-section tunnel boring rock drilling jumbo supporting drilling tool products
Common Tunnel Bits
Common Tunneling Drill Rod
Tunneling connection sleeve
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