| 摘要 |
PURPOSE: A power supply device of a rotary apparatus is provided to prevent a short circuit phenomenon and a twisting phenomenon of a cable and lengthen a lifetime of the cable by using a mobile connection method instead of a direct connection method. CONSTITUTION: A power supply device(20) is formed with a fixing device portion(210), a plurality of rotary device portions(230), and a distribution box(240). The fixing device portion(210) is installed around a rotary portion(12) of a rotary device(10). The rotary device portions(230) are installed at the rotary portion(12) of the rotary device(10). The distribution box(240) is used for distributing the power provided from the rotary device portions(230) to each device(9). An external power distribution portion(1) is connected to the fixing device portion(210) through a power cable(5). The rotary device portion(230) has the first booth bars(232) for receiving selectively the power from a plurality of power supply units(211) of the fixing device portion(210).
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