Cable flaw detection device and cable flaw detection method

A cable rope flaw detection device (1a) is provided with a sensor unit (3) having a magnetizer for magnetizing a cable rope (2) and a magnetic sensor for detecting a leakage flux generated by a damaged part of the cable rope (2). Furthermore, the cable flaw detection device (1a) is provided with: a movement shaft (14a) that enables the sensor unit (3) to move in the arrangement direction of the cables (2); a front-rear shaft (15a) that guides the sensor unit (3) in a direction away from the cable (2); and a receiving surface section (19a) that faces the sensor section (3) across the cable (2). The sensor section (3) is pressed against the cable (2) along the front-rear axis (15a). The movement shaft (14a) enables the sensor part (3) to move relative to the receiving surface part (19a). 缆绳探伤装置(1a)具备传感器部(3)，该传感器部(3)具有磁化器和磁传感器，所述磁化器将缆绳(2)磁化，所述磁传感器检测由于缆绳(2)的损伤部而产生的漏磁通。此外，缆绳探伤装置(1a)具备：移动轴(14a)，其使传感器部(3)能够在缆绳(2)的排列方向上移动；前后轴(15a)，其沿着从缆绳(2)离开的方向引导传感器部(3)；以及承受面部(19a)，其隔着缆绳(2)与传感器部(3)对置。传感器部(3)沿着前后轴(15a)被按压于缆绳(2)。移动轴(1