Ground knife locking device

The invention relates to the technical field of grounding switch locks, and discloses a grounding switch locking device, which comprises a seat body, a locking device and a locking device, the locking assembly comprises a locking rod and a driving assembly, the locking rod is arranged on the base body in a sliding mode, the driving assembly is in transmission connection with the locking rod and drives the locking rod to slide, the locking rod is provided with an unlocking position and a locking position relative to the base body, and when the locking rod is located at the locking position, the locking rod stretches out of the base body and shields the grounding switch hole; when the locking rod is located at the unlocking position, the locking rod is accommodated in the accommodating cavity, and the grounding knife hole is not shielded; the locking assembly comprises a locking piece, the locking rod is provided with a locking part, and the locking piece can lock the locking rod at the locking position; and th