| 摘要 |
<p>A switch operating device has: an electric motor (5) capable of being rotated in both positive and negative directions; a drive shaft (6) rotated by the electric motor (5); a drive-side intermittent gear (8) rotated by the drive shaft (6); a driven-side intermittent gear (10) rotated by the drive-side intermittent gear (8); a main shaft (11) that is fixed to the driven-side intermittent gear (10) to drive the contacts of the switch; a disconnector lock cam (19a) and a grounding switch lock cam (19b) fixed to the main shaft (11) to be rotated; and a disconnector lock pin (52a) and a grounding switch lock pin (52b) that are capable of being engaged with and released from the disconnector lock cam (19a) and the grounding switch lock cam (19b) and capable of inhibiting predetermined range of rotation of the main shaft (11) when being engaged.</p> |
