Device and method for quickly detecting bending radius of power cable

The invention relates to a rapid inspection device for the bending radius of a power cable. The rapid inspection device comprises a mounting cabinet, a laser range finder, a power supply, a power switch, a first laser head, a second laser head, a third laser head, a reflector and a laser module circuit, the laser range finder, the power supply, the power switch, the first laser head, the second laser head, the third laser head and the laser module circuits are all installed in the installation cabinet, the power supply is electrically connected with the power switch, the number of the laser module circuits is three, and the three laser module circuits are all connected with the power switch through wires. The first laser head, the second laser head and the third laser head are electrically connected with the three laser module circuits respectively; the installation cabinet is provided with an installation opening, the reflector is installed on the installation opening, and the first laser head, the second la