Electromechanical wire box pre-embedded fixing device

The utility model belongs to the technical field of wire box fixing devices, and particularly relates to an electromechanical wire box pre-embedded fixing device which comprises a base, a groove is formed in the middle of the base, a bolt used for fixing an external clamping assembly on a template is arranged in the groove, the bottom of the base is fixedly connected with a flange, and the flange is fixedly connected with a bolt. External clamping assemblies are arranged on the two sides of the flange, arc-shaped grooves are formed in the middles of the two sides of the base, internal fastening assemblies are arranged in the arc-shaped grooves, metal gaskets are arranged in the grooves, and the bolts penetrate through the metal gaskets and the middles of the base. According to the utility model, the base is fixedly arranged on the template through the bolts, and when the electromechanical wire box is pre-buried, the electromechanical wire box is directly clamped outside the base, so that the rapid pre-burying