Multifunctional detection instrument for electric power operation and maintenance

The invention discloses a multifunctional detection instrument for electric power operation and maintenance, and relates to the technical field of electric power operation and maintenance detection equipment, the multifunctional detection instrument comprises a detector and a bearing box for bearing the detector, one side of the bearing box is detachably provided with a heat dissipation dustproof assembly, the detector further comprises a wire, one end of the wire is electrically connected with an electric power detection clamp, and the other end of the wire is electrically connected with a power supply. A wire storage box is installed on one side of the detector, a wire is wound in the wire storage box, two sets of sliding grooves which are horizontally distributed in a staggered mode are formed in the inner side wall of the wire storage box, an elastic element is fixedly connected to one side wall of each sliding groove, and one end of each elastic element is fixedly connected with a sliding block matched w