There are problems exsiting in a drilling process of hydraulic rock drill，for example，the front end cover becomes loose，rotary pressure can not be tested，impact piston strains and the drill does not impact.In order to improve drilling efficiency of imported drilling jumbo in downhole production

The performances of Rocket Boomer353 rock drilling jumbo and AMV21SGBC-CC full computer rock drilling jumbo are compared. Through the actual construction process, the applicability of the two kinds of rock drilling jumbo is analyzed.

Brand : EPIROC
Part No. : 0501001900
Description : Bearing.sp.pl.
Use in : Boltec Lc , Boomer 281 , Boomer 281dh , Boomer 282 , Boomer K111 , Boomer L2c , Boomer L2d , Boomer M1d , Boomer M2c , Boomer M2d , Boomer S1d , Boomer S2 , Roc D55 , Roc D65 , Roc D7 , Roc D9 , Roc F6 , Roc F9 ...

Rock strength and surrounding rock integrity were the main parameters of tunnel surrounding rock classification. Aiming at the problem that the traditional acquisition methods of rock strength and surrounding rock integrity were not advanced and timeliness，a classification method of

Based on the Funiu Mountain extra long highway tunnel project，the technical parameters and construction technology of the new three arm rock drilling jumbo are introduced in detail，and the advantages of the new three arm rock drilling jumbo in the construction of extra long tunnel by

Jiama mine of Huatailong company,located in the snow covered plateau of Tibet,is one of the largest copper gold polymetallic mines in China.The bad weather conditions and low mechanization level are the bottlenecks restricting the rapid development of enterprises.In order to achieve large-scale

Simba H1254 jumbo possessing good flexibility is used to change the traditional mode of digging of cut shaft.The reasonable explosive charging,blasting section dividing and section-wise blasting are adopted to form cut groove.The new method saves the assisting cost of manual digging of cut shaft

Brand : MONTABERT
Part No. : 86668860
Description : Thrust
Use in : Hc 25 , Hc 28

This paper covers durablity and performance parameters of RDX5 hydraulic rock drill from Sandvik,describes in brief the design improvements of components and parts of RDX5 rock drill compared with HLX5 rock drill,and outlines the design features of RDX5 rock drill.

In order to effectively reduce the construction cost and the overbreak amount by drilling and blasting method,and improve the drilling and blasting construction technology, the operation mode of the rock-drilling jumbo is studied, and it is concluded that when the rock-drilling jumbo