Locking device for operating mechanism of gas insulated switchgear

A locking device for an operating mechanism of a gas insulated switchgear, the locking device comprising:

• a driving shaft lever connected to the an operating mechanism configured to perform a rotation motion;
• first and second link rods coupled to upper and lower ends of the driving shaft lever, respectively, to transfer the rotation motion;
• a driven shaft lever including the upper and the lower ends connected to the first and the second link rods, respectively, configured to perform a the rotation motion, and provided with including a stopping groove on a part thereof;
• a supporter installed at a tank;
• a locking lever coupled to the supporter configured to perform the rotation motion, the locking lever configured to locking the motion of the driven shaft lever when being inserted into the stopping groove;
• a driven shaft configured to rotated by a force transferred by the driven shaft lever;
• and
• a lever pin inserted through the locking lever and serving as a rotation shaft of the locking lever.