Online measuring device for wearing depth of pulley sheet rope groove for crane

The utility model belongs to an online measuring device for measuring wearing depth of a pulley sheet rope groove of a crane, and particularly relates to an online measuring device for wearing depth of the pulley sheet rope groove for the crane. A measuring guide rod is mounted in a through hole of a fixed board through dynamic fit. A spring base is arranged on the part of a measuring guide rod below the fixed board. The part of the measuring guide rod between the fixed board and the spring base is provided with a compression spring. A base at the lower end of the measuring guide rod below the fixed board is provided with a roller. The measuring guide rod is provided with an initial scale and a wearing lower limit scale. In online measurement, the fixed board is fixedly mounted on a pulley base. The roller is matched with the bottom surface of the wheel groove of the pulley. The initial scale on the measuring guide rod is level with the upper surface of the fixed board. The online measuring device has advanta