Currently, the main method for excavating of vertical shafts is drilling and blasting method, which in some cases supplemented by the use of lightweight mechanized units suitable for the destruction of only weak rocks. The inability of sufficiently effective destruction of hard rocks prevents the increase in the level of mechanization of mining operations. This demands the search for technical solutions that expand the scope of the shaft boring machines to stronger rocks. In this regard, there is a need to study the options of changes in design of the cutterhead to ensure the possibility of destruction of hard rocks by shaft boring machines of a new type of SPKV. This study uses the method of calculating for the load capacity of radheader’s transmission from the industry standard OST 12.44.197-81 for the justification of the design parameters of shaft boring machine’s cutterhead. It also takes into account novel knowledge gained by research studies of Mining Institute named after A.A. Skochinsky and Tula State University. The study has shown that reducing of picks in the cutting line down to one along with shortening of the cutter spacing down to 18.5 mm expands the field of application of the shaft boring machine. Namely, the newly designed cutterhead allows destruction of rocks with the strength up to 10 units on the scale of M.M. Protodiakonov instead of conventional 3 units. This is due to the fact that a relatively small value of the cutter spacing should contribute to the optimal mode of destruction of the rocks.


Сutterhead, verification calculation, layout pattern, rational application.

Issue number: 2
Year: 2019
ISBN: 622.236.22
DOI: 10.25018/0236-1493-2019-02-0-105-113
Authors: Averin E. A., Naumov Yu. N., Smychnik A. D., Smychnik E. A.

About authors: Averin E.A. (1), Candidate of Technical Sciences, Engineer-Designer, e-mail:, Naumov Yu.N. (1), Candidate of Technical Sciences, Chief Designer, Smychnik A.D., Doctor of Technical Sciences, Professor, Technical Director, «Strictum» LLC, Russia, Smychnik E.A., Graduate Student, Saint Petersburg Mining University, 199106, Saint-Petersburg, Russia, 1) «Skuratovsky skilled and experimental plant» LLC, 300911, Tula, Russia.


1. Fomichev A. D. Tekhnologii mekhanizirovannogo stroitel'stva glavnykh vertikal'nykh stvolov na primere sovremennykh stvoloprokhodcheskikh agregatov [Mechanical technology construction of the main vertical shaft of the example of contemporary shaft sinking machine], Izvestiya Tul GU. Tekhnicheskie nauki. 2014, no 1, pp. 172—179. [In Russ].

2. Safokhin M. S. Gornye mashiny i oborudovanie: uchebnik dlya vuzov [Mining machines and equipment: Textbook for high schools], Moscow, Nedra, 1995, 463 p.

3. Solod V. I., Getopanov V. N., Rachek V. M. Proektirovanie i konstruirovanie gornykh mashin i kompleksov: uchebnik dlya vuzov [Designing of mining machines: Textbook for high schools], Moscow, Nedra, 1982, 350 p.

4. Zhabin A. B., Fomichev A. D., Naumov J. N., Solovyh D. J. Results of studies of shaft boring machine operation in vertical shaft construction at Upper Kama potash deposit, Eurasian Mining. 2016. No 1. Pp. 29—32. DOI:10.17580/em.2016.01.04.

5. Zhabin A. B., Fomichev A. D. Nekotorye rezul'taty issledovaniy pri ekspluatatsii stvoloprokhodcheskogo agregata ASP-8,0 [Некоторые результаты исследований при эксплуатации стволопроходческого агрегата АСП-8,0], Gornoe oborudovanie i elektromekhanika. 2014, no 7, pp. 8—11. [In Russ].

6. Fomichev A. D. Razrabotka i obzor stvoloprokhodcheskogo agregata ASP-8,0 [Some Research Results in the Operation Barrel Deepen-ing ASP-8,0], Izvestiya Tul GU. Tekhnicheskie nauki. 2014, no 6, pp. 211—218. [In Russ].

7. Zhabin A. B., Fomichev A. D. Stvoloprokhodcheskiy agregat ASP-8,0 [Barrel Deepening ASP-8,0], Gornoe oborudovanie i elektromekhanika. 2014, no 1, pp. 3—5. [In Russ].

8. Zhabin A. B., Polyakov A. V., Fomichev A. D. Raschet shneko-frezernogo ispolnitel'nogo organa stvoloprokhodcheskogo agregata ASP-8,0 [Auger-Milling Actuator of Barrel Deepening ASP-8,0 Computing], Gornoe oborudovanie i elektromekhanika. 2014, no 3, pp. 3—8. [In Russ].

9. Zhabin A. B., Fomichev A. D. Opredelenie pokazateley raboty shnekovo-frezernogo ispolnitel'nogo organa stvoloprokhodcheskogo agregata ASP-8,0 pri pogruzhnom rezhime raboty [Defining Performance of Auger-Milling Executive Shaft Sinking Assembly ASP-8,0 for Immersion Work Mode], Gornoe oborudovanie i elektromekhanika. 2014, no 8, pp. 7—12. [In Russ].

10. Zhabin A. B., Polyakov A. V., Averin E. A., Sarychev V. I. Sostoyanie nauchnykh issledovaniy v oblasti razrusheniya gornykh porod reztsovym instrumentom na rubezhe vekov [State of scientific researches in the field of rock destruction by picks at the turn of the century], Izvestiya TulGU. Nauki o Zemle. 2018, no 1, pp. 230—247. [In Russ].

11. Wang S., Li X., Du K., Wang S. Experimental investigation of hard rock fragmentation using a conical pick on true triaxial test apparatus, Tunnelling and Underground Space Technology. 2018. Vol. 79. Pp. 210—223. DOI: 10.1016/j.tust.2018.05.006.

12. Wang X., Su O., Wang Q.-F., Liang Y.-P. Effect of cutting depth and line spacing on the cuttability behavior of sandstones by conical picks, Arabian Journal of Geosciences. 2017. Vol. 10. No 23. Pp. 510—525. DOI: 10.1007/s12517-017-3307-3.

13. Dursun A., Gokay M. K. Cuttability Assessment of Selected Rocks Through Different Brittleness Values, Rock Mechanics and Rock Engineering. 2016. Vol. 49. No 4. Pp. 1173—1190. DOI: 10.1007/s00603-015-0810-2.

14. Jang J. S., Yoo W. S., Kang H. Cutting head attachment design for improving the performance by using multibody dynamic analysis, International Journal of Precision Engineering and Manufacturing. 2016. Vol. 17. No 3. Pp. 371—377. DOI: 10.1007/s12541-016-0046-4.

15. Kombayny prokhodcheskie so strelovidnym ispolnitel'nym organom. Raschet ekspluatatsionnoy nagruzhennosti transmissii ispolnitel'nogo organa OST 12.44.197-81 [Heading machines swept the executive body. Calculation of the operational load of the transmission of the executive body Industry standards 12.44.197-81], Moscow, Minugleprom SSSR, 1981, 48 p.

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