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A New Payload Swing Angle Sensing Device and Its Accuracy.

Patrik Grosinger1, Jan Rybář1, Štefan Dunaj1

  • 1Faculty of Mechanical Engineering, Slovak University of Technology in Bratislava, Námestie Slobody 17, 812 31 Bratislava, Slovakia.

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This study presents a new, simple method for measuring crane load swing angles using strain gauges on a flexible component. The device accurately measures bending proportional to the load

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DfAMangle measurementpayload swaying angle sensorstrain gauge

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Area of Science:

  • Mechanical Engineering
  • Instrumentation and Measurement

Background:

  • Accurate measurement of crane load swing angle is crucial for automated stabilization systems.
  • Existing methods for measuring load swing angles are often complex or lack sufficient accuracy.
  • This gap necessitates a technically simple and reliable measurement solution.

Purpose of the Study:

  • To introduce a novel and technically straightforward approach for measuring crane load swing angles.
  • To detail the design and operational principles of the proposed measuring device.
  • To rigorously assess and determine the accuracy of the developed measurement system.

Main Methods:

  • The core innovation involves integrating a strain gauge onto an elastic, deformable component within the device.
  • This elastic component is strategically attached: one end to the crane frame, the other to the crane rope via pulleys.
  • The system leverages the proportional bending of the elastic component, corresponding to the payload's swing angle, for measurement.

Main Results:

  • The developed device demonstrates a technically simple and effective means of measuring crane load swing angles.
  • The principle of operation relies on the direct correlation between elastic component bending and the load's angular displacement.
  • The study focuses on quantifying the accuracy achieved by this novel strain gauge-based measurement approach.

Conclusions:

  • The proposed strain gauge-based device offers a promising solution for accurate crane load swing angle measurement.
  • Its simple design and principle of operation facilitate practical implementation in industrial settings.
  • Further validation and accuracy determination are key outcomes of this research.