Two-in-one program lock device of grounding switch and rear door

The utility model relates to the technical field of high-voltage power transmission and distribution, in particular to a two-in-one program lock device of a grounding switch and a rear door. The device comprises a grounding switch, a rear door locking mechanism, a first program lock and a second program lock, the first program lock and the second program lock share the same key, the first program lock is arranged at the position of the grounding switch and interlocked with the grounding switch, the rear door locking mechanism and the second program lock are both installed on a rear door of a cabinet body, and the rear door locking mechanism and the second program lock are interlocked with each other. When the grounding switch is switched off, the first program lock is stopped from being locked, when the rear door is not closed, the rear door locking mechanism stops the second program lock from being locked, and keys of the first program lock and the second program lock cannot be pulled out in the non-locked s