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


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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.

About the authors

I. V. Tishchenko

Chinakal Institute of Mining, Siberian Branch

Author for correspondence.
Email: ighor.tishchenko.70@mail.ru
Russian Federation, Krasnyi pr. 54, Novosibirsk, 630091

V. V. Chervov

Chinakal Institute of Mining, Siberian Branch

Email: ighor.tishchenko.70@mail.ru
Russian Federation, Krasnyi pr. 54, Novosibirsk, 630091

B. N. Smolyanitsky

Chinakal Institute of Mining, Siberian Branch

Email: ighor.tishchenko.70@mail.ru
Russian Federation, Krasnyi pr. 54, Novosibirsk, 630091

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