Product Application

Tunnel Engineering

 

Tunnel Engineering

The main applications of drilling and blasting operations in tunnel engineering are threaded connection drilling tools and taper drilling tools. Among them, Threaded Drilling Tools include a full set of drilling products such as thread column tooth drill bit, thread Drill Rod, Shank Adaptor, Coupling, etc. Taper drilling tools include taper Drill Rod, taper drilling tools and other drilling tools.

In China's Three Gorges, Gezhouba (Xiluodu, Guandi Power Station, Shuibuya Power Station, Jinping Power Station) and other national large-scale hydropower project construction projects, 5.5 meters, 6.1 meters, 6.4 meters of tunneling drill pipes and 45mm, 48mm tunneling drill bits 51mm, 57mm, 64mm, 76mm anchoring drill bits produced by enterprises. (Supporting Atlas Boomer353E multi-arm trolley) has been widely used in engineering, in which tunneling drill pipe has become the only domestic high-quality drilling tool product that can completely replace imported drill pipe. China Hydropower Construction Group (First Engineering Bureau, Fourth Engineering Bureau, Sixth Engineering Bureau, Seventh Engineering Bureau, Eleventh Engineering Bureau, Thirteenth Engineering Bureau, Fourteenth Engineering Bureau), China Armed Police Hydropower Force, China Railway Construction Group (China Railway 13th Bureau, China Railway 18th Bureau) and many other state-level large-scale hydropower, tunnel construction companies are important users of Lianhuashan's full set of tunneling products.

 

Tunnel Engineering
Threaded Drilling Tools LHS Part No. Products Description
R32 ZQ48D-R32-A1 Button Bit Diam.48mm,Hemispherical Buttons, 6 Gauge Buttons, R32 Thread.
ZQ51D5-R32-A1 Button Bit Diam.51mm,Hemispherical Buttons, 6 Gauge Buttons, R32 Thread.
ZQ57D2-R32-A1 Button Bit Diam.57mm,Hemispherical Buttons, 6 Gauge Buttons, R32 Thread.
ZQ64F1-R32-A1 Button Bit Diam.64mm, Hemispherical Buttons, 8 Gauge Buttons, R32 Thread.
KLG35T38R32-4305 Drill Rod T38F-Hex35-R32M Thread, Length 4305mm, Speed Hex Rod.
KLG35T38R32-4915 Drill Rod R38F-Hex35-R32M Thread, Length 4915mm, Speed Hex Rod.
LG35R32T38-5525 Drill Rod T38-Hex35-R32 Thread, Length 5525mm, Hex Rod.
LG35R32R38-6400 Drill Rod R38-Hex35-R32 Thread, Length 6400mm, Hex Rod.
LR32-190 Coupling R38-R38 Thread, Length 190mm, Half Bridge
LT38-190Q Coupling T38-T38 Thread, Length 190mm, Full Bridge
QW33-435T38 Shank Adaptor Series-33 Shank Adaptor, Full Length 435mm, T38 Thread.
QW6-485T38 Shank Adaptor Series-6 Shank Adaptor, Full Length 485mm, T38 Thread.

 

Tunnel Engineering
Tapered Drilling Tools LHS Part No. Products Description
7°Taper YQM38-722 Chisel Bit Diam.38mm,Horseshoe Skirt, 7°Taper,Inner Hole Diameter 22mm.
YQ40-722 Chisel Bit Diam.40mm,Standard Skirt, 7°Taper,Inner Hole Diameter 22mm.
YQ42-722 Chisel Bit Diam.42mm,Standard Skirt, 7°Taper,Inner Hole Diameter 22mm.
ZQ40B-723B2 Button Bit Diam.40mm,Parabolic Buttons, 3 Gauge Buttons, 7°Taper,Inner Hole Diameter 23mm.
ZQ40S-723B2 Button Bit Diam.40mm,Parabolic Buttons, 4 Gauge Buttons, 7°Taper,Inner Hole Diameter 23mm.
LG722-1800 Drill Rod Shank Hex22*108, 7°Taper,Effective Length 1800mm.
LG722-2400 Drill Rod Shank Hex22*108, 7°Taper,Effective Length 2400mm.

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