Energy supplementing device of electric automobile

The invention discloses an energy supplement device of an electric automobile, which comprises a body, a base is mounted at the bottom of the body, a control panel is mounted on the front surface of the body, a placement groove, a charging gun and a wire protection device are mounted on the outer wall of one side of the body, and a wire connector is further arranged at the lower part of the outer wall of the side; the protection device comprises a rotary bottom block, a movable wire protection box, a wire winding mechanism and a telescopic wire sleeve, the wire protection device is installed on the charging pile, the charging wire is protected, and when a user finishes charging and pulls out the charging gun from an electric vehicle, the charging gun can be pulled by the wire winding mechanism and the telescopic wire sleeve in the wire protection device, so that the charging gun is prevented from being damaged. Meanwhile, due to the fact that the pulling force of the wire winding mechanism and the telescopic