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Power Supply System For Crane

  • US 20120043291A1
  • Filed: 03/05/2010
  • Published: 02/23/2012
  • Est. Priority Date: 03/05/2009
  • Status: Active Grant
First Claim
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1. A power supply system for a crane in which a crane for loading and unloading a container for marine transportation is linked to a power supply truck for supplying power while following the crane, with a linkage mechanism, the power supply system characterized in thatthe linkage mechanism includes:

  • a receiving member disposed on the power supply truck; and

    a pushing member disposed on the crane, andthe power supply system includes the linkage mechanism configured in a manner that,when the crane moves in a travel direction, the pushing member comes into contact with the receiving member to transmit a force of the crane moving in the travel direction to the power supply truck,when the crane moves in a transverse direction intersecting the travel direction, the receiving member does not disturb move of the pushing member, and thus a force of the crane moving in the transverse direction is not transmitted to the power supply truck, andwhen the crane is displaced in a vertical direction, the receiving member does not disturb move of the pushing member, and thus a force of the crane moving in the vertical direction is not transmitted to the power supply truck.

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