Науковий вісник НГУ

On applying high-class mechanisms of heavy-loaded machines

• 
• 

User Rating:  / 0

PoorBest 

Details

Category: Geotechnical and mining mechanical engineering, machine building

Last Updated on 29 June 2019

Published on 16 June 2019

Hits: 3333

Authors:

I.M.Matsyuk, Cand. Sc. (Tech.), Assoc. Prof., orcid.org/0000-0002-0861-0933, Dnipro University of Technology, Dnipro, Ukraine, e‑mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

E.М.Shlyahov, orcid.org/0000-0001-5983-9853, Dnipro University of Technology, Dnipro, Ukraine, e‑mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

O.I.Yehurnov, Cand. Sc. (Tech.), Ana-Tems Ltd, Dnipro, Ukraine, e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.

Abstract:

Purpose. To evaluate the impact of possible variants of assemblies of the fourth class Assur group as a component of a jaw crushing machine on the machine runnability.

Methodology. In this paper, a theoretical study of possible assemblies of a fourth class Assur group, which is part of a jaw crusher, was carried out.

Findings. Based on the conducted research it is found that the number of possible assemblies of the group in this mechanism without its reference to the crushing machine is equal to four. While applying this mechanism in the crushing machine, the maximum number of assemblies equals two and they can be in a close proximity, which can result in emergency.

Originality. The originality in the work involves defining the number of possible assemblies of the fourth class Assur group. For the group under consideration it has been established that the maximum number of assemblies equals four. An algorithm of finding a zone of possible positioning of a driven crank of a crushing mechanism is suggested, which allows influencing the remoteness of two closely-spaced assemblies.

Practical value. The search algorithm of possible assemblies of the fourth class Assur group with the help of Mathcad program can be used when manufacturing similar crushing machines.

References.

1. Pira, B., & Cunaku, I. (2017). Synthesis of WATT and Stephenson Mechanisms six bar mechanism using Burmester Theory. International Journal of Current Engineering and Technology, 7(1), 25-29.

2. Moldovan, C. E., Lovasz, E.-C., Perju, D., Mod­ler, K.-H., & Maniu, I. (2015). On the Kinematic Analysis of the fourth class Mechanisms. In Proc. of the 14^th IFToMM World Congress (pp.2447-2453), Taipei, Taiwan, 25-30 October 2015, OS8-023. DOI: 10.6567/IFToMM.14TH.WC.OS8.023.

3. Moldovan, C. E., Perju, D., Lovasz, E.-C., Mod­ler, K.-H., & Maniu, I. (2017). On the Kinematic Analysis of a Sixth Class Mechanism. Mechanisms and Machine Science, book series, 46, 47-59. DOI: 10.1007/978-3-319-45450-4_5.

4. Matsyuk, I. M., Morozova, Т. I., & Shlyahov, E. М. (2017). Search of variants of assemblies of structural groups in planar linkages. Naukovyi Visnyk Natsionalnoho Hirnychoho Universytetu, 2(158), 65-69.

5. Koshel, S. O., & Koshel, G. V. (2016). Analysis of planar mechanisms of top rank with movable closed-loop circuit. Visnik Hmelnitskogo tehnichnogo universitetu. Tehnichni nauki, 4, 15-19.

6. Koshel, S., & Koshel, G. (2018). Аnalysis of fourth class plane mechanisms with structural groups of links of the second order. Pratsi Odeskogo politehnichnogo universitetu, 1(54), 12-17.

7. Todor Stoilov Todorov, (2015). Synthesis of Four Bar Mechanisms as Function Generators by Freudenstein - Chebyshev. Journal of Robotics and Mechanical Engineering Research, 1(1). DOI: 10.24218/jrmer.2015.01.

8. Matsyuk, I. N., Shlyahov, E. М., & Yehurnov, O. I. (2018). Some aspects of synthesis of linkage of complex structures. Naukovyi Visnyk Natsionalnohо Hirnychoho Universytetu, 3(165), 57-63. DOI: 10.29202/nvngu/ 2018-3/14.

9. Ilin, S. R., Samusya, V. I., Kolosov, D. L., Ilina, I. S., & Ilina, S. S. (2018). Risk-forming dynamic processes in units of mine hoists of vertical shafts. Naukovyi Visnyk Natsionalnohо Hirnychoho Universytetu, 5(167), 64-71. DOI: 10.29202/nvngu/2018-5/10.

10. Protsiv, V., Ziborov, K., & Fedoriachenko, S. (2015). Test load envelope of semi – Premium O&G pipe coupling with bayonet locks. New Developments in Mining Engineering 2015: Theoretical and Practical Solutions of Mineral Resources Mining, 261-264.

11. Taran, I., & Bondarenko, A. (2017). Conceptual approach to select parameters of hydrostatic and mechanical transmissions for wheel tractors designed for agrucultural operations. Archives of transport, 41(1), pp. 89- 100. DOI: 10.5604/01.3001.0009.7389.

12. Belmas, I., & Kolosov, D. (2011). The stress-strain state of the stepped rubber-rope cable in bobbin of winding. Technical and Geoinformational Systems in Mining: School of Underground Mining 2011, 211-214.

 повний текст / full article

• < Prev