The paper covers the development and evolution of leading foreign rock drilling machinery manufacturers such as Ingersoll Rand, Eprioc, Atlas Copco, FAGERSTA, Montabert, and Sandvik, as well as the developmental history of rock drilling machinery and drilling tools. It also gives some advice on the

The hydraulic rock drill is the core component of the rock drilling support trolley, and its performance determines the use efficiency of the equipment. However, there will be various failures in the use and maintenance. Through the analysis of the causes of different failures, the root causes

Brand : EPIROC
Part No. : 3201195141
Description : Stud
Use in : Rd 18u

With the rapid development of highway transportation industry in recent years, there are more and more long tunnels built in the severe cold areas of North China, but the construction difficulties are also more and more, and the requirements of construction technology are also improved

Mechanization is essential for improving the safety and environmental conditions of tunnel drilling and blasting operations. Currently, China is facing serious problems with regard to tunneling, such as difficulties in recruiting blasting workers, fully utilizing the drilling trolley

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

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

Brand : FURUKAWA
Part No. : Hd712-01101
Description : Piston
Use in : Hd 712 , Hd 712rp

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

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