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Remote Impact Frequency Control of Air Hammers with Power Closure of Elastic Valve

  • SCIENCE OF MINING MACHINES
  • Published:
Journal of Mining Science Aims and scope

Abstract

It is important to enable remote control of duty cycle of air hammers via external distributors meant to set impact frequency. A new general layout is developed for the air-driven impact impulse generator with smooth adjustment of impact frequency at constant energy in driving construction elements in soil. The experimental model of the machine is designed and tested. Based on the analysis of the impulse indicator diagrams of the machine duty cycle, the impact frequency is correlated with the piston choke cross-section for three configurations of the control unit. The impact frequency control limits are found.

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Authors and Affiliations

  1. Chinakal Institute of Mining, Siberian Branch, Russian Academy of Sciences, 630091, Novosibirsk, Russia

    I. V. Tishchenko & V. V. Chervov

Authors
  1. I. V. Tishchenko
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  2. V. V. Chervov
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Correspondence to I. V. Tishchenko.

Additional information

Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2023, No. 1, pp. 103-111. https://doi.org/10.15372/FTPRPI20230110.

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Tishchenko, I.V., Chervov, V.V. Remote Impact Frequency Control of Air Hammers with Power Closure of Elastic Valve. J Min Sci 59, 91–98 (2023). https://doi.org/10.1134/S1062739123010106

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  • DOI: https://doi.org/10.1134/S1062739123010106

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