Novel misplug-proof heavy load connector

The utility model relates to the technical field of heavy-load connectors, and discloses a novel misplug-proof heavy-load connector, which comprises a first connector, two mounting plates are fixed at the right end of the first connector, a first misplug-proof plate extending to the lower part of the mounting plate is rotatably connected in the mounting plate at the upper side, and a second misplug-proof plate extending to the lower part of the first misplug-proof plate is rotatably connected in the mounting plate at the lower part of the first misplug-proof plate. A second mistake-proof plate extending to the position above the mounting plate is rotationally connected to the interior of the mounting plate on the lower side, mistake-proof springs with the other ends fixedly connected with the first mistake-proof plate and the second mistake-proof plate correspondingly are fixedly connected to the opposite sides of the two mounting plates correspondingly, and limiting assemblies are arranged at the front end a