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

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...

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Veröffentlicht in:	Journal of mining science 2017, Vol.53 (1), p.109-116
Hauptverfasser:	Tishchenko, I. V., Chervov, V. V., Smolyanitsky, B. N.
Format:	Artikel
Sprache:	eng
Schlagworte:	Air Analysis Drills Earth and Environmental Science Earth Sciences Evaluation Geophysics/Geodesy Geotechnical Engineering & Applied Earth Sciences Mineral Resources Percussion Power lines Prototypes Science of Mining Machines Valves
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Beschreibung
Zusammenfassung:	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.
ISSN:	1062-7391 1573-8736
DOI:	10.1134/S106273911701192X