The professional drilling jumbo's parts supplier

Fracture Failure Analysis of Shank Adapter for Hydraulic Rock Drill
Hydraulic rock drill

Fracture Failure Analysis of Shank Adapter for Hydraulic Rock Drill

The shank adapter of hydraulic rock drill broke after drilling 4000 m. Failure analysis is conducted using fracture morphology observation, chemical composition, mechanical properties and microstructure analysis. The results show that the material of shank adapter has well wear resistance and

  • GuoJianFei
    GuoJianFei
  • ZhangJiGuang
    ZhangJiGuang
  • ZhouZhongShang
    ZhouZhongShang
  • DingHeJiang
    DingHeJiang
  • ShunZhi
    ShunZhi
  • ZhaoYan
    ZhaoYan
  • KangXueQin
    KangXueQin
Large-scale Mechanized Construction Technology of Full-section Drilling and Blasting of Extra-long Highway Tunnel
roads

Large-scale Mechanized Construction Technology of Full-section Drilling and Blasting of Extra-long Highway Tunnel

The construction of an extra-long and large cross-section highway tunnel is the key for entire construction period in expressway. To ensure construction quality and improve construction progress, the principles for supporting large-scale mechanized equipment, such as matching with geological

  • MeiMin
    MeiMin
  • ZhangJunLing
    ZhangJunLing
  • WenJia
    WenJia
  • WangJun
    WangJun
  • YanJing
    YanJing
  • JinHengXiang
    JinHengXiang
Research on the Application of Large-scale Mechanization in Drilling and Blasting Construction of Plateau Railway Tunnels
plateau railway

Research on the Application of Large-scale Mechanization in Drilling and Blasting Construction of Plateau Railway Tunnels

In order to further improve the level of large-scale mechanized construction of plateau railway tunnels, reduce construction risks, and ensure the construction progress, combined with the characteristics and construction requirements of the surrounding rock of plateau tunnels, the application

  • ChaoHaiLong
    ChaoHaiLong
  • WangYaDong
    WangYaDong
  • ZhangLu
    ZhangLu
  • LiShuangZheng
    LiShuangZheng
  • QiZhiPeng
    QiZhiPeng