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.
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.
| JPH03203198A | 1991-09-04 | |||
| JP2004027549A | 2004-01-29 | |||
| JP2001065521A | 2001-03-16 | |||
| JP2006069448A | 2006-03-16 | |||
| JPS56156311A | 1981-12-03 | |||
| JP3172913B2 | 2001-06-04 |
Susumu Hori
Takeshi Sagi
Kenichi Homma
Tsuyoshi Kagaya
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