Research on Cutting Characteristics of Shearer Drum under Different Joint Structures
In order to address the changes in cutting parameters when the shearer drum cuts coal and rock with different joint structures,this paper uses numerical simulation software to analyze the cutting performance of coal and rock with different joint structures.It is found that as the joint angle continues to increase,the coal breaking efficiency of the drum shows a gradually decreasing trend,and the specific energy consumption of the drum cutting gradually increases,resulting in a corresponding reduction in cutting efficiency.At the same time,analysis was conducted on the three-dimensional forces under different traction speeds,and it was found that as the traction speed continued to increase,the time passing through the joint surface gradually decreased.At the same time,the three-dimensional force on the drum showed a gradual increase trend,and among the three-dimensional forces,the maximum value of the Z-direction force was the highest.
numerical simulationdifferent jointstraction speedthree-dimensional force
NETL
NSTL
万方数据
