Interlocking device and switch cabinet comprising interlocking device

The utility model discloses an interlocking device, which comprises a roller support, a roller, a transmission arm, a baffle plate and a baffle plate support, wherein the transmission arm is fixedly connected on the two sides of the roller; one end of the transmission arm is fixedly connected with the roller, and the middle part of the transmission arm is connected with the roller support in a rotating way; the baffle plate is connected to the baffle plate support in a rotating way; and one end of the baffle plate is connected with the transmission arm. When a door is closed or opened, a door panel is in contact with the roller, and the roller rotates to drive the transmission arm to move by taking a roller bracket as a rotating shaft. The transmission arm is connected with one end of the baffle plate; the baffle plate is driven by the transmission arm to rotate by taking the baffle plate support as a supporting point; and the other end of the baffle plate exposes or shields a grounding operation hole. The in