Communications - Scientific Letters of the University of Zilina 2025, 27(2):B118-B125 | DOI: 10.26552/com.C.2025.029

Redundant Constraints in Crane Disc Brake Mechanism: Effect and Disposal Perspectives

Vladyslav Protsenko ORCID...1, Volodymyr Malashchenko ORCID...2, Mykhaylo Babii ORCID...3, Valentyn Nastasenko ORCID...3, Roman Protasov ORCID...4, František Brumerčík ORCID...5, *, Marek Macko ORCID...5
1 Faculty of Engineering and Transport, Kherson National Technical University, Kherson, Ukraine
2 Institute of Mechanical Engineering and Transport, Lviv Polytechnic National University, Lviv, Ukraine
3 Faculty of Marine Engineering, Kherson State Maritime Academy, Kherson, Ukraine
4 Institute of Applied Mechanics and Mechatronics, Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Bratislava, Slovakia
5 Department of Design and Machine Elements, Faculty of Mechanical Engineering, University of Zilina, Zilina, Slovakia

In this paper is considered a promising design of the braking disk mechanism of a construction crane. The analysis of the kinematics of the brake pad drive has shown that due to redundant links in the brake pad drive mechanism the latter are not able to self-align. This leads to uneven braking torque during the smooth braking, overloads and deterioration of the positioning accuracy of the load suspended on the cable. Based on the methods of analyzing the kinematics of complex mechanisms, two variants of modernization without redundant links are proposed. Both variants can be realized without changing the kinematics of the mechanism, but they differ in the complexity of the joint manufacturing technology and depend on the design and dimensional limitations of the brake.

Keywords: disc brake, redundant constraint, mechanism, friction torque, maintainability, self-alignment
Grants and funding:

This article was funded in the context of the project KEGA 027ŽU-4/2024 supported by the Ministry of Education, Research, Development and Youth of the Slovak Republic.

Conflicts of interest:

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Received: September 23, 2024; Accepted: February 19, 2025; Prepublished online: October 21, 2025; Published: April 1, 2025  Show citation

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Protsenko, V., Malashchenko, V., Babii, M., Nastasenko, V., Protasov, R., Brumerčík, F., & Macko, M. (2025). Redundant Constraints in Crane Disc Brake Mechanism: Effect and Disposal Perspectives. Communications - Scientific Letters of the University of Zilina27(2), B118-125. doi: 10.26552/com.C.2025.029
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