Multifunctional positioning rod for testing acoustic environment of transformer substation

The invention relates to a multifunctional positioning rod for testing an acoustic environment of a transformer substation, and the positioning rod comprises an insulating rod. The lower part of the insulating rod is provided with a line wheel and a displays screen. The lower side of the central part of the insulating rod is provided with a supporting device, and the lower side of the supporting device is provided with a wall body. The supporting device comprises a fixed plate and a movable plate. A spring is disposed between the fixed plate and the movable plate, and the fixed plate and the movable plate are connected through a hinge part. The lower side of the upper part of the insulating rod is provided with a camera, and the line wheel is provided with a bearing line in a winding manner. The insulating rod is uniformly provided with a conductor ring, and the inner side of the conductor ring is provided with a hole. The bearing line sequentially passes through the conductor ring, and the lower end of the b