Eprioc Group Company，an emerging company which is split from Sweden'S Atlas Copco，has independent businesses．The family of hydraulic rock drills features complete types and appropriate classification．In this paper,specifications of open-pit hydraulic rock drills from the company are introduced

The structure of a stepwise pressurization device for a full-hydraulic rock drill rig is introduced first,and then the pressure setting method of the device is systematically described. The hydraulic rock drilling rig equipped with the step-by-step pressurizing device can quickly and accurately

Brand : EPIROC
Part No. : 3115917092
Description : Seal Kit
Use in : Cop 1838+ , Cop 1838he+

The application of 3-boom hydraulic rock drilling jumbos in the construction of passenger-dedicated railway tunnels is presented,analysis is made on the reasons that have impact on the working efficiency of the rock drilling jumbos and some countermeasures are recommended to improve the performance

The dwelled on the definition of the drilling rig and classification of the DTH drilling rigs.It also introduced some domestic DTH drilling rig makers as well as major models and specifications of their product,and pointed out developmental directions and other 5 leading technologies of the DTH

In light of the problems often incurred by underground mining when ordinary drill jumbos are used, including large deviation between actual borehole locations and the designed ones, poor drilling precision, poor blasting performance and over-or under-blasted face phenomena, the Chambishi Copper Mine

In light of the difference of drilling-blasting construction method and mechanical drilling-blasting construction method in highway tunnel construction，comparatively studies their construction technologies，analyzes differences of artificial drilling-blasting method and jumbo drilling method in

Brand : EPIROC
Part No. : 3222314365
Description : Solenoid Cartr.
Use in : Boomer 104 , Boomer 281 , Boomer 282 , Boomer 353 , Boomer K111 , Simba H1257 , Simba H157

The pillarless sublevel caving method is currently used in Huashugou Iron Mine of Jingtieshan.The adoption of the artificial digging and cutting raise in this method causes high tunneling cost,high labor intensity,poor and dangerous working environment.In order to solve the problems of artificial

This paper introduced the principle and process flow of full computer multi arm jumbo in tunnel drilling blasting construction，put forward the specific measures to improve the full computer multi arm jumbo construction efficiency，and from the construction precision，schedule，cost three aspects