Journal of Mining Science

, Volume 53, Issue 1, pp 109–116 | Cite as

Evaluation of Layout of Air Drill Hammer with Smooth Adjustment of Impact Impulse Frequency

  • I. V. Tishchenko
  • V. V. Chervov
  • B. N. Smolyanitsky
Science of Mining Machines
  • 1 Downloads

Abstract

Design of an air drill hammer with the smooth adjustment of the percussion frequency at the constant blow energy is considered. The proposed and analyzed modifications of air distribution system are based on using a mechanically closing elastic valve. The test data on experimental prototypes of the air drill hammer with the external distributing elements that set blow frequency are presented. The frequency adjustment ranges are determined.

Keywords

Air drill hammer elastic valve drainage line blow frequency impact impulse smooth adjustment 

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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • I. V. Tishchenko
    • 1
  • V. V. Chervov
    • 1
  • B. N. Smolyanitsky
    • 1
  1. 1.Chinakal Institute of Mining, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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