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2019 Vol.29, Issue 3

Technical Note

The Theory of Load Estimation Method and Case Study of Hydraulic Breaker for Rock Drilling

진동기반 하중 추정기법의 이론 및 암반 천공용 유압 브레이커 적용사례

Dae-ji Kim12
,
Jung-Woo Cho1
,
Joo-Young Oh1
,
Jintai Chung2
,
Changheon Song1*
김 대지12
,
조 정우1
,
오 주영1
,
정 진태2
,
송 창헌1*
1Construction Equipment R&D Group ,Korea Institute of Industrial Technology
2Department of mechanical design engineering, Hanyang University
1한국생산기술연구원 건설기계부품그룹
2한양대학교 기계설계공학과
* Corresponding Author
30 June 2019. pp. 135-147
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Abstract

This paper introduced a impact load estimation method by examining vibration transfer path analysis (TPA). The theoretical background and the load quantification procedure are explained, and a case study of hydraulic breaker is reported. We explained the merits and limitations of the load estimation method of TPA, and improvement method was suggested through case analyses of drilling equipment. The necessity of R&D of load-estimation technology was discussed. A new strategy for developing new techniques for impact load measurement was proposed.

Keywords
Vibration experiment
Transfer path analysis
Load Estimation
Rock drill
Drilling machine

본 논문은 기계시스템의 하중추정 기법 및 적용사례 소개가 목적이다. 이를 위해 진동기반 하중추정 기법의 이론적 배경 및 하중정량화 절차를 구체적으로 설명하였다. 또한 충격하중 및 진동이 발생하는 천공장비에 적용하여 진동기반 하중추정 기법의 적용성과 한계점을 분석하고 이에 대한 대응책에 대해 논의하였다. 마지막으로, 하중추정 기술의 추가 연구의 필요성을 토의하고, 새로운 충격하중 측정기술 개발을 위한 방법론을 제안하였다.

키워드
진동시험
전달경로분석
하중추정
암반천공
천공장비
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Information
  • Publisher :Korean Society for Rock Mechanics and Rock Engineering
  • Publisher(Ko) :한국암반공학회
  • Journal Title :Tunnel and Underground Space
  • Journal Title(Ko) :터널과 지하공간
  • Volume : 29
  • No :3
  • Pages :135-147
  • Received Date : 2019-04-29
  • Revised Date : 2019-05-16
  • Accepted Date : 2019-06-03
  • DOI :https://doi.org/10.7474/TUS.2019.29.3.135
Journal Informaiton Tunnel and Underground Space Tunnel and Underground Space
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