| 摘要 |
Provided in the present invention are: a body moving along the door of a coke oven; an extracting unit combined to the door and which opens and shuts the door; a transferring unit which is installed on the body with detachability, and which enables the extracting unit to rotate; a driving unit for rotating and arranging the extracting unit to face the door; a sensing unit for measuring the rotation angle of the extracting unit; and a control unit for discriminating sensing signals received from the sensing unit, determining whether there is a malfunction, and transmitting output signals. |
