63. Numerical identification of the overhead travelling crane’s dynamic factor caused by lifting the load off the ground

Damian Gąska1, Jerzy Margielewicz2, Tomasz Haniszewski3, Tomasz Matyja4, Łukasz Konieczny5, Przemysław Chróst6

1, 2, 3, 4, 5Faculty of Transport Silesian University of Technology,
Krasińskiego Street 8, 40-019 Katowice, Poland

6Ford Werke GmbH, 50453 Cologne, Germany

1Corresponding author

E-mail: 1damian.gaska@polsl.pl, 2jerzy.margielewicz@polsl.pl, 3tomasz.haniszewski@polsl.pl, 4tomasz.matyja@polsl.pl, 5lukasz.konieczny@polsl.pl, 6pchrost1@ford.com

(Received 7 January 2015; received in revised form 25 February 2015; accepted 5 March 2015)

Abstract. Overhead travelling cranes work with intermittent motion, and therefore are most exposed to dynamic loads. In steel constructions, as a result of load pick up from the ground, vibrations of various degrees of intensity are induced, which should be included in crane design. These loads affect both the hoisting mechanisms and load-carrying structures. The aim of this study is the formulation of a phenomenological model of an overhead travelling crane enabling the identification of dynamic factors caused by lifting the load off the ground. The object of the study was 107 overhead travelling cranes with lifting capacities from 5 to 50 tones, designed in the Centre for Research and Development of Cranes and Transport Equipment “Detrans” in Bytom and produced in Poland in the period 1970‑2005. Cranes were classified according to the stiffness classes proposed in European standards for crane safety. In this paper, computer simulations are carried out on the basis of a phenomenological model with four degrees of freedom, three of them corresponding to the crane’s structure and one to the hoisted load. The model also allows assumption of the variable stiffness and damping of the steel rope during its shortening. The values of the dynamic factors refer to the various design and dynamic parameters of overhead travelling cranes, formulating appropriate conclusions.

Keywords: modelling, dynamics, cranes, hoist mechanism, statistics.

References

[1]        Borkowski W., Konopka S., Prochowski L. The Dynamics of Working Machines. WNT, Warsaw, 1996.

[2]        Piątkiewicz A., Sobolski R. Cranes. WNT, Warsaw, 1978.

[3]        EN 13001−2:2011. Crane safety – General design – Part 2: Load actions.

[4]        Bogdevičius M., Vik A. Investigation of the dynamics of an overhead crane lifting process in a vertical plane. Transport, Vol. 20, Issue 5, 2005, p. 176‑180.

[5]        Oguamanam D. C. D., Hansen J. S., Heppler G. R. Dynamics of a three-dimensional overhead crane system. Journal of Sound and Vibration, Vol. 242, Issue 3, 2001, p. 411‑426.

[6]        Sun G., Kleeberger M., Liu J. Complete dynamic calculation of lattice mobile crane during hoisting motion. Mechanism and Machine Theory, Vol. 40, 2005, p. 447‑466.

[7]        Haniszewski T., Gąska D. Line 6x19 seale +fc zs hysteresis determination. Scientific Papers of Silesian University of Technology – a Series of Transportation, Vol. 75, 2012, p. 21‑30.

[8]        Kolesnik N. P. Calculation of Jib Cranes. Wisza Szkola Kiew, 1985.

[9]        Kruszewski J., Sawiak S., Wittbrodt E. Rigid Finite Element Method in Structural Dynamics. WNT, Warsaw, 1999.

[10]     Tejszerska D. Modelling and Optimization of Dynamic Hoist. Silesian University of Technology, Gliwice, 2002.

[11]     Gochberg M. Cranes Steel Construction. Leningrad, 1976.

[12]     Verschoof J. Cranes – Design, Practice and Maintenance, 2nd Ed. Professional Engineering Pub., UK, 2002.

[13]     Thomson W. T. Theory of Vibration with Applications. Chapman & Hall, London, 1993.

[14]     Wrotny L. T. The Dynamics of Mechanical Systems. Repertory Theoretical and Tasks. Warsaw Uniwersity of Technology, Warsaw, 1995.

[15]     Harris C. M., Piersol A. G. Harris’ Shock and Vibration Handbook, 5th Ed. McGraw-Hill, New York, 2002.

[16]     Chang-Sei K., Keum-Shik H., Moon K. K. Nonlinear robust control of a hydraulic elevator: experiment‑based modeling and two-stage Lyapunov redesign. Control Engineering Practice, Vol. 13, 2005, p. 789‑803.

Cite this article

Gąska Damian, Margielewicz Jerzy, Haniszewski Tomasz, Matyja Tomasz, Konieczny Łukasz, Chróst Przemysław Numerical identification of the overhead travelling crane’s dynamic factor caused by lifting the load off the ground. Journal of Measurements in Engineering, Vol. 3, Issue 1, 2015, p. 1‑8.

 

Journal of Measurements in Engineering. March 2015, Volume 3, Issue 1
© JVE International Ltd. ISSN Print 2335-2124, ISSN Online 2424-4635, Kaunas, Lithuania