| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a mounting structure of a cradle which is improved so as to be safely used by mounting a draw-out type power reception/distribution apparatus housed in a switchboard thereon so as not to cause troubles for movement to an operational position and a testing position of the apparatus and a switching operation thereof, and to provide a method for assembling the cradle. <P>SOLUTION: The cradle 2 is installed inside a cabinet of an enclosed type switchboard and mounted with a draw-out circuit breaker (power reception/distribution apparatus) 1, and a bottom plate 7 of the cradle, which is based on a structural design in conformity with a mounting load of the cradle and a desired strength of a switchboard cabinet and used in common as a floor plate of the switchboard cabinet, is directly connected to the framework of the cabinet and installed in the switchboard. Concretely, when the cradle 2 is assembled into the inside of the switchboard, the bottom plate 7 of the cradle is first fastened by bolts 6 to the framework in the switchboard to construct the switchboard cabinet, and then structural components, such as side walls 8, a mounting plate 10 of bushings 9, and shutter plates 11, are assembled on the bottom plate 7 to configure the cradle. <P>COPYRIGHT: (C)2011,JPO&INPIT |
