| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a ground rod operation device capable of attaching a ground wire to a bus bar by easily operating a ground rod at the time of grounding the bus bar in an electric power installation such as an electric power substation. <P>SOLUTION: The ground rod operation device is provided with a ground rod retaining member 1 inserting a base end part of the ground rod and retaining it in free attachment and detachment, a rotation retaining member 2 fixing a base part of the ground rod retaining member 1 and retaining that 1 in free rotation to allow rotation onto one direction of the ground rod retaining member 1 and to restrict rotation onto the other direction, an elevator retaining member 3 fixing a base part of the rotation retaining member 2 and retaining that 2 in free elevation, and a stage 4 fixing a base part of the elevator retaining member 3. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
