Based on the background of the highway tunnel under construction, this article expounds that the use of a fully computerized three-arm rock drilling jumbo (ZYS113) to excavate in the surrounding rock of grade IV of the tunnel not only ensures the excavation and blasting footage

In view of the uncertainty of the triple-boom rock drilling jumbo in the construction of weak rock tunnel, combined with the Yinling Tunnel construction project, this paper compares the construction efficiency, economic cost, construction stability, over and under excavation volume of the triple

Brand :
Part No. : 3128315945
Description : Cradle
Use in :

This paper mainly describes the hydraulic working system of the SIMBA H1354 center hole trolley, including the selection of key components, such as pumps, valves, etc., and the debugging of related parameters, which has important reference significance for the operation principle, fault judgment

In the subsection caving method mining without a bottom pillar in the underground mining mine,blasting the operating air shaft or cable shaft will cause serious damage to the cables in the shaft caused by blasting flying stones,affecting the power supply system of the entire stope,and affecting

In order to solve the existing problems of manual drilling and support in highway tunnel construction in the past, a new construction technology based on a fully computerized multi-arm rock drilling rig and wet spraying unit is proposed. The specific construction process, methods and points

The paper covers developments of air rock drillers and rock-drilling jumbos in China and summarizes individual usage features and limits of rock drillers, rock -drilling jumbos and shield machines during the tunnel constructions, analyzing domestic market shares and developmental trend of

Brand : EPIROC
Part No. : 3217920632
Description : Cylinder
Use in : Boomer 281 , Boomer K111 , Boomer M1d , Boomer Xe3 , Roc F6 , Roc F9 , Roc L8 , Simba H1354 , Simba M4c , Simba S7d

In this paper, through the description of the oil emulsification failure analysis and treatment results of the hydraulic system of the Atlas COP1838HD+ rock drill equipped with TBM, the arrangement and working conditions of this type of rock drill on the TBM equipment are different from those of

Based on the analysis of the application of cantilever TBM and self-propelled inverted arch trestle in Daqing project, this paper discusses the standardized configuration of new-type machinery for highway tunnel construction. The application of the cantilever roadheader and the self-propelled