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Choosing the parameters for intertial-pulse vibrators to improve the performance of boom tunnelers

  • Mechanics and Automation of Rock Breaking
  • Published:
Journal of Mining Science Aims and scope

Conclusions

  1. 1.

    We have substantiated the criteria of the operation efficiency of a boom working part for a tunneling machine with IPV.

  2. 2.

    We have derived the formulas for these criteria, expressing their dependence on design and operation parameters of the working part.

  3. 3.

    We have demonstrated that, by increasing the weights of unbalanced masses and the spacing between their inertia centers and the rotation axis, one can achieve a greater relative increase of the amplitude of fluctuations of the rotation speed of the cutter bit as compared with the relative reduction in the frequency of these vibrations.

  4. 4.

    Tests of the KP-25 tunneling combine with the working part parameters chosen in accordance with the analytic principles elaborated herein have confirmed a higher productivity of this machine as compared with the PK-9r combine.

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Literature Cited

  1. V. A. Brenner, A. L. Voevodskii, L. G. Zysmanov, I. P. Kavyrshin, V. Ya. Pavlin, N. N. Petukhov, and Yu. G. Khrapov, Inventor's Certificate No. 1087661: “The working element of tunneling combine”, Byull. Izobret., No. 15, 82 (1984), Published April 23, 1984.

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  2. I. P. Kavyrshin, V. D. Ageev, V. A. Kutlunin, M. M. Kalinin, A. V. Ageev, G. V. Yurgens, and Yu. G. Khrapov, Patent Application No. 4227737, Published January 27, 1989 (priority April 13, 1987).

  3. V. A. Kutlinin, I. P. Kavyrshin, and A. N. Kupryunin, “A mathematical model of the working element of a tunneling combine with an inertial-pulse vibrator for torsional vibrations”, in: Mechanization of Mining Operations [in Russian], TulPI, Tula (1987).

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Authors
  1. V. A. Brenner
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  2. I. P. Kavyrshin
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  3. V. A. Kutlunin
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Additional information

Polytechnical Institute, Tula. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 3, pp. 52–59, May–June, 1991.

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Brenner, V.A., Kavyrshin, I.P. & Kutlunin, V.A. Choosing the parameters for intertial-pulse vibrators to improve the performance of boom tunnelers. Soviet Mining Science 27, 217–224 (1991). https://doi.org/10.1007/BF02500900

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  • DOI: https://doi.org/10.1007/BF02500900

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