Three-arm hydraulic drill jumbo Construction Analysis of Grouting Drilling of Three -arm Hydraulic Drill Jumbo Combined with the engineering project,the characteristics and construction principle of the improved three-arm hydraulic drill jumbo are elaborated,the key points and matters needing attention in the construction of grouting drilling of the three-arm hydraulic drill jumbo are introduced
Zhengzhou-Wanzhou High-speed Railway Discussion on Large-scale Mechanized Matching and Its Informatied Application to Zhengzhou-Wanzhou High-speed Railway Tunnel Construction The drilling and blasting method for tunnel has many disadvantages such as low mechanization,bad construction environment and high labor intensity. Hence,the large cross-section construction technologies for Hubei Section on Zhengzhou-Wanzhou High-speed Railway are summarized from the aspects
SURPAC Application of SURPAC in underground mining phase of Longjiama copper polymetallic mine in Huatai,Tibet Based on the geological modeling with SURPAC software,the stope division and the third grade ore volume report are carried out for the gentle dip thick ore body of Jiama copper mine.The design guidance of medium and deep hole drilling and blasting is made, and the ore loss and dilution
parts search 3128307666 Brand : EPIROCPart No. : 3128307666Description : ValveUse in : Boomer 104 , Boomer 281 , Boomer 282 , Boomer 353 , Boomer K111 , Boomer S1d , Simba H1257 , Simba H157 , Simba S7d
DTH impactor Probe into Current Technological Development of China's Pneumatic DTH Impactors(Ⅱ) During the last decade,DTH impactors(also called DTH hammers) have grown by leaps and bounds and a lot of specialized manufacturing enterprises with tremendous strength have sprung up.Their products have been popular in the country due to their supreme quality.The paper compiles
rock drill tool The Developmental Course of DTH Hammer in China with the leading DTH hammer which has the widest applications being the main thread, the paper describes the four generations of the DTH hammers respectively produced during the various periods since the founding of the New China, which are grouped in time order. The purpose is to let
DTH impactor Probe into Current Technological Development of China's Pneumatic DTH Impactors during the last decade, DTH impactors (also called DTH hammers) have grown by leaps and bounds and a lot of specialized manufacturing enterprises with tremendous strength have sprung up. Their products have been popular in the Country duo to their supreme quality. The paper compiles the relevant
hard rock Discussion and practice on improving the service life of bit in hard and strongly abrasive rock drilling The properties of ore-rock are the key restraining factors for rock drilling efficiency and cost,extending the bit life is an effective measure to improve rock drilling efficiency and reduce cost.In view of the problem that the service life of the bit is generally short in hard and strongly abrasive
railway tunnel Applicability of Drilling Jumbo in Different Construction Methods of Railway Tunnel In view of such shortcomings as low efficiency and poor quality etc of traditional manual drilling by pneumatic drilling，this paper studied the applicability of drilling jumbo in the tunnel construction with full section method and step method through theoretical analysis，gave the applicability
tunnel Research on Excavation Construction Method of Three-boom Hydraulic Rock Drilling Jumbo As an advanced intelligent excavation equipment, three-boom hydraulic rock drilling jumbo has been gradually applied in long and huge tunnel construction. It can be combined with the construction characteristics of geological environment. Applying its technical features in construction
three-arm drilling jumbo Technology Study on Excavating Construction of Tunnel Drilling Jumbo A fully-computerized drilling jumbo is used for drilling excavation in view of the characteristics of Luojiashan Tunnel in Lot 7 of Zhengzhou-Wanzhou High-speed Railway，for the purpose of meeting the requirements of“mechanization，industrialization，specialization and informatization”in tunnel
