Mechanical engineering and transport

Study the Formation of Vibration Signs in the Axial Direction on the Standard Running Wheels of the Overhead Crane Truck

Authors

N. M. Fidrovska
Kharkiv National Automobile and Highway University ROR
Ye. D. Slepuzhnikov
National University of Civil Defense of Ukraine
DOI https://doi.org/10.31649/1997-9266-2020-153-6-100-106

Keywords

running wheel vibration cargo truck overhead crane cargo

Abstract

The article discusses experimental studies of the formation of vibration accelerations in the axial direction on axles with driven and driven standard cylindrical double-flange travel wheels. The study of the formation of vibration signs was carried out during the movement of the cargo carriage of an overhead crane, both without load and with a load of various weights. Traveling wheels are the fastest wearing parts of an overhead crane. A decrease in the time of their operation leads to an increase in the monetary costs of repair work to restore the running wheels or replace them. Therefore, for modern crane construction, a very urgent task is to increase the service life of crane traveling wheels due to their modernization. The designs of crane traveling wheels are currently quite rigid and do not perceive distortions and shocks that arise when the rail track deviates from the recommended values. This leads to significant wear on the rails, as well as on the flanges of the crane traveling wheels.

To check the previously obtained theoretical data, an experimental study was carried out on an overhead crane with a lifting capacity of 5 tons, a span of 22.5 m, a lifting height of 8 m, an operating mode of 7 K. drive standard running wheels of the overhead crane trolley.

Also, the analysis of the regularity of the formation of vibration signs during the movement of the cargo trolley of an overhead crane at various speeds, as well as in its various operating modes, is carried out.

The level of vibration accelerations in the axial direction on the axles of the wheels with an increase in the weight of the load demonstrates multidirectional tendencies. For the drive wheel, the RMS vibration is reduced compared to a smaller load case (30% between 0.5 tones and 2.0 tones), and approaches the value of vibration levels at idle speed.

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How to Cite

[1]
“Study the Formation of Vibration Signs in the Axial Direction on the Standard Running Wheels of the Overhead Crane Truck”, Вісник ВПІ, no. 6, pp. 100–106, Dec. 2020, doi: 10.31649/1997-9266-2020-153-6-100-106.

Author Biographies

N. M. Fidrovska, Kharkiv National Automobile and Highway University

Dr. Sc. (Eng.), Professor, Professor of the Chair of Construction and Road Machinery

Ye. D. Slepuzhnikov, National University of Civil Defense of Ukraine

Cand. Sc. (Eng.), Lecturer at the Chair of Special Chemistry and Chemical Technology

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