Journal of the Korean Society of Manufacturing Process Engineers (한국기계가공학회지)

The Korean Society of Manufacturing Process Engineers (한국기계가공학회)
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One-touch Descending Lifeline with Sliding Linkage Structure

슬라이드 링크 구조를 이용한 원터치 완강기

  • Kim, Wonchan (School of Mechanical Engineering, HANSUNG UNIV.) ;
  • Na, Dayul (School of Mechanical Engineering, HANSUNG UNIV.) ;
  • Moon, Hyein (School of Mechanical Engineering, HANSUNG UNIV.) ;
  • Kim, Sang-Hyun (School of Mechanical Engineering, HANSUNG UNIV.)
  • 김원찬 (한성대학교 기계시스템공학과) ;
  • 나다율 (한성대학교 기계시스템공학과) ;
  • 문혜인 (한성대학교 기계시스템공학과) ;
  • 김상현 (한성대학교 기계시스템공학과)
  • Received : 2021.07.07
  • Accepted : 2021.07.23
  • Published : 2021.09.30
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Abstract

A one-touch descending lifeline that can easily be installed and rapidly evacuated in the event of a fire accident in high-rise buildings was proposed to overcome difficulties of conventional descending lifeline such as complex installation methods and procedures. However, this lifeline exhibits limitations such as restrictions in installation location and large apparatus size. Therefore, this paper proposes a sliding-type descending lifeline, which has a similar operation to that of current one-touch descending lifeline and solves the aforementioned limitations. A double square link mechanism including a sliding four-bar linkage is proposed and the descending lifeline support is redesigned to unfold in two different planes, allowing 3D movement. Additionally, the shape of the support frame is designed to obtain two attachment surfaces that can be attached to a wall, irrespective of the angle between the window and the inner wall. FEA analysis using ABAQUS is performed to ensure that the robustness of the presented support complies with the Fire Control Act Enforcement Decree. Finally, the feasibility of the proposed sliding one-touch descending lifeline is verified through fabrication.

Keywords

Acknowledgement

이 논문은 한성대학교 교내학술연구비 지원과제임.

References

  1. Korea Ministry of Government Legislation, National Fire Safety Code(NFSC) 301, Article 4, Clause 1.
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  8. Park, J.-W., Yun, S.-G., Jung, G.-H., Jung, M.-H. and Kim, S.-H., "Robust Design of Descending Lifeline Using Double Square Linkage Mechanism", Journal of the Korean Society of Manufacturing Process Engineers, Vol. 20, No. 6, pp. 108-113, 2021. https://doi.org/10.14775/ksmpe.2021.20.06.108