JOURNAL OF LIGHT INDUSTRY

CN 41-1437/TS  ISSN 2096-1553

Volume 32 Issue 3
May 2017
Article Contents
HAN Bin-hui. Experiment study of vibration characteristics for the longitudinal axial roadheader under multi-working conditions[J]. Journal of Light Industry, 2017, 32(3): 85-95. doi: 10.3969/j.issn.2096-1553.2017.3.014
Citation: HAN Bin-hui. Experiment study of vibration characteristics for the longitudinal axial roadheader under multi-working conditions[J]. Journal of Light Industry, 2017, 32(3): 85-95. doi: 10.3969/j.issn.2096-1553.2017.3.014 shu

Experiment study of vibration characteristics for the longitudinal axial roadheader under multi-working conditions

  • Received Date: 2016-06-20
    Available Online: 2017-05-15
  • To master the vibration characteristics of the longitudinal-type roadheader,the in-situ vibration test over the EBJ-120TP under classic working conditions,i.e.,free loading,drilling,right-and-left cutting and downward cutting was carried out.The results were as follows:the cutting condition exhibited a random vibration characteristic compared with free loading, and was accompanied by an instantaneous impact;the roadheader vibration displayed non-stable and nonlinear feature,and had an extensive frequency scale ranging from 10 Hz to 1000 Hz; drilling was the most serious working condition,in which the cutting gear box had greatest vibration with level D(not permissible),while electronic control with level C(just tolerable); the operator would feel worst in downward cutting and drilling.Through the using of viscoelastic damping material vibration reduction measures, the vibration value of the prototype machine decreased by 30%.
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