Three-station mechanism and switch cabinet

The invention relates to the technical field of switch devices, in particular to a three-station mechanism and a switch cabinet, the switch cabinet comprises the three-station mechanism, the three-station mechanism comprises a rack, a closing operation shaft, a grounding operation shaft and a baffle, a locking rod is arranged on the rack, and a linkage locking structure on the rack comprises a driving structure connected with the baffle, a transmission part and a rotating part. The driving structure comprises a driving part capable of reciprocating, the driving part is provided with a first position and a second position for the driving structure to drive the baffle to move to the switching-on avoiding position and the grounding avoiding position and a middle position for the driving structure to move to the shielding position, and the direction of the driving part moving from the middle position to the first position is opposite to the direction of the driving part moving to the second position; when in the