[1]School of Energy Science and Engineering;
Henan Polytechnic University;
Jiaozuo 454000;
China;
[2]The Safety of Coal Production Collaborative Innovation Center;
Jiaozuo 454000;
China;
[1]School of Energy Science and Engineering;
Henan Polytechnic University;
Jiaozuo 454000;
China;
[1]School of Energy Science and Engineering;
Henan Polytechnic University;
Jiaozuo 454000;
China;
[2]The Safety of Coal Production Collaborative Innovation Center;
Jiaozuo 454000;
China;
[1]School of Energy Science and Engineering;
Henan Polytechnic University;
Jiaozuo 454000;
China;
[1]School of Energy Science and Engineering;
Henan Polytechnic University;
Jiaozuo 454000;
China;
Roof bolt holedrilling; Drill rod vibration; Vibration radius; Vibration point amplitude; Negative angular acceleration;