A Laboratory Machine Verifying the Operation of a Hydraulic Rope Equalizer with Tensometric Sensors
Leopold Hrabovský1, Jiří Fries1, Štěpán Pravda1
1Department of Machine and Industrial Design, Faculty of Mechanical Engineering, VSB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00 Ostrava, Czech Republic.
Sensors (Basel, Switzerland)
|April 27, 2024
Summary
This study demonstrates a hydraulic system for evenly distributing tensile loads across multiple ropes in mining and elevator applications. The laboratory device achieves load distribution with up to 5% deviation, ensuring balanced force application.
Area of Science:
- Mechanical Engineering
- Hydraulic Systems
- Load Balancing
Background:
- Even load distribution is critical in multi-rope systems like mining machines and elevators.
- Hydraulic systems offer a potential solution for managing tensile loads based on Pascal's law.
Purpose of the Study:
- To design and implement a laboratory device simulating even load distribution in multi-rope systems.
- To investigate the hydraulic principles for equalizing tensile forces in load-bearing ropes.
Main Methods:
- Development of a laboratory setup with hydraulic cylinders and steel cables.
- Experimental measurement of tensile forces and hydraulic oil pressures.
- Simulations to analyze pressure changes with varying tensile forces.
Main Results:
- The laboratory device successfully simulated even load distribution among ropes, with deviations up to 5%.
- Hydraulic oil pressure was experimentally studied under various conditions, correlating with load distribution.
- Accurate calculation of hydraulic circuit pressures requires knowledge of hydraulic oil volumes.
Conclusions:
- Appropriate hydraulic element selection and circuit design enable effective, even load distribution in multi-rope systems.
- The developed laboratory device validates a practical method for balancing tensile forces.
- Precise pressure prediction in the hydraulic circuit is dependent on known oil volumes.
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