| 摘要 |
A drawout element for a low-voltage switchgear comprises a carriage with a vertical frame mounted thereon, a cut-out switch located on the carriage, sliding grounded contacts, clamps for carriage and a cut-out switch control comprising a lock mechanism preventing the cut-out switch from rolling in and rolling off in switched-on state, which is provided by a lock element capable of interaction with a support of low-voltage switchgear section, a switch on/off mechanism capable of interaction with a switch handle, a transmission shaft installed on the frame, and a draft jointed to the transmission shaft, the switch control comprises a rod installed on the frame capable of rotation about axis thereof, a lever fixed to the rod, a supplementary draft; the switch on/off mechanism is fixed to the rod, the draft and supplementary draft are pivotally connected to the lever, another end of the supplementary draft is pivotally connected to the lock element. |
