The H-type (WY-type) cable crane system (II)

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Other Title
  • H型架線 (WY型架線)における静力学的研究 (II)
  • H型架線(WY型架線)における静力学的研究-2-H型架線設計上の諸問題
  • Hガタ カセン WYガタ カセン ニ
  • H型架線設計上の諸問題
  • Problems on planning for the H-type cable crane

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Description

The H-type cable crane, regarding its track cable, was operated in the same way as previously reported. However, the guide cables whose tensions changed according to the track cable direction, were operated at fixed lengths in such a way that their tensions would take on certain allowable values when at their maximums. The first part of the study was to obtain the various values of design factors, such as the length of guide cables, the connecting point posi-tional coefficient and tension of each cable when the span and load conditions were given. In the second part, from the results of computations we clarified the general tendencies of the variations of the numerical values of the design factors, and we discussed impossible hauling areas determined by the trajec-tories of the move of the connecting points and the changing situation depending on both the span conditions and the configurations of the guide cables. From this discussion, the essential problems encountered when planning for the H-type cable crane, concerning its characteristics, have been clarified.

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