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RISS 인기검색어
- 검색키워드
- 저자 : 한근조 (검색결과 271 건)
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쐐기형 레일클램프의 초기압착력 발휘를 위한 중추무게에 관한 연구
한근조,한동섭 東亞大學校 2005 東亞論叢 Vol.42 No.-
The wedge type rail clamp has the operating mechanism: First, the jaw pad clamps a rail with small clamping force. Next as the wind speed increases, the clamping force of the jaw pad is increased by the wedge. In order to design the wedge type rail clamp, we need to determine the proper wedge angle to minimize the sliding distance of a roller and the proper clamping angle of a locker to generate the initial clamping force of a jaw pad. The researches for the proper wedge angle have conducted, and in this study we conducted the investigation to determine the proper clamping angle of a locker in the rail clamp with wedge angle of 10˚. Because the initial clamping force of the jaw pad was determined by the clamping angle of the locker, in order to carry out the clamping force of a jaw pad, we measured the locking force applied to a locker with respect to the clamping angle of a locker, such as 3°, 4°, 5°, 6° using a pressure gauge, and compared the results with the FEA results.
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기계실 위치 변화가 고효율 갠트리 크레인의 안정성에 미치는 영향 분석
한근조,이성욱 東亞大學校 2005 東亞論叢 Vol.42 No.-
This study was carried out to analyze the effect of machinery house loaction on the stability of high efficiency gantry crane which can improve the productivity of the container transportation work by reducing cycle time. The wind load was evaluated according to 'Load Criteria of Building Structures' enacted by the ministry of construction & transportation. The uplift forces of high efficiency gantry crane under this wind load were calculated by analyzing reaction forces at each supporting point. And variation of reaction forces at each supporting point was analyzed according to machinery house location.
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