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Research on Energy-Saving Design of Overhead Travelling Crane Camber Based on Probability Load Distribution

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  • Tong Yifei
  • Tang Zhaohui
  • Mei Song
  • Shen Guomin
  • Gu Feng

Abstract

Crane is a mechanical device, used widely to move materials in modern production. It is reported that the energy consumptions of China are at least 5–8 times of other developing countries. Thus, energy consumption becomes an unavoidable topic. There are several reasons influencing the energy loss, and the camber of the girder is the one not to be neglected. In this paper, the problem of the deflections induced by the moving payload in the girder of overhead travelling crane is examined. The evaluation of a camber giving a counterdeflection of the girder is proposed in order to get minimum energy consumptions for trolley to move along a nonstraight support. To this aim, probabilistic payload distributions are considered instead of fixed or rated loads involved in other researches. Taking 50/10 t bridge crane as a research object, the probability loads are determined by analysis of load distribution density functions. According to load distribution, camber design under different probability loads is discussed in detail as well as energy consumptions distribution. The research results provide the design reference of reasonable camber to obtain the least energy consumption for climbing corresponding to different ; thus energy-saving design can be achieved.

Suggested Citation

  • Tong Yifei & Tang Zhaohui & Mei Song & Shen Guomin & Gu Feng, 2014. "Research on Energy-Saving Design of Overhead Travelling Crane Camber Based on Probability Load Distribution," Mathematical Problems in Engineering, Hindawi, vol. 2014, pages 1-9, April.
  • Handle: RePEc:hin:jnlmpe:484635
    DOI: 10.1155/2014/484635
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