Electrical switch locking device

The utility model discloses an electrical switch locking device, the power distribution box comprises a box body, the push rod is located the side of taking back of movable rod lower part, the fixed block is installed in the left side of locking device inner chamber, the fixed block is located the side of taking back of rotatory piece, the switch is installed to the bottom of locking device inner chamber, the flexure strip is installed to the upper end of switch, the pneumatic cylinder is installed in the left side of switch, the front end of pneumatic cylinder slips in the inner chamber of the spout that is equipped with on the engaging tooth surface, the engaging tooth is installed in the outside of pivot, and this electrical switch locking device promotes the movable rod through the push rod earlier, through the rotatory piece of lockhole wrench movement, utilizes the swing of first couple to touch the flexure strip, through the on -off control pneumatic cylinder simultaneously to by the body of rod of pne