Container crane comprising reference marker

It is provided a container crane comprising a reference marker. The container crane (1) comprises a spreader configured to be controllably attached to a container; a container dolly to which the spreader is attached via a cable and which is provided at an upper portion of the container crane and is horizontally movable in a first direction; a first sensor device which is mounted on the container trolley, and can be used for determining the position of the container; a second sensor device operable to determine a target location; and at least one reference mark which is set as a horizontal support which is fixed between the vertical structures of a container lifting jack in at least two dimensions and is arranged along the first direction, is set vertically below the first sensor device andcan be detected by the first sensor device. 本公开总体上涉及包含参考标记的集装箱起重机。提供了一种集装箱起重机，包括：吊具，被配置为可控制地附接到集装箱上；集装箱小车，吊具经由缆线附接到集装箱小车，集装箱小车被设置在集装箱起重机的上部，并且能够沿第一方向水平地移动；第一传感器装置，被安装在集装箱小车上，该第一传感器装置可用于确定集装箱的位置；第二传感器装置，可用于确定目标位置；以及至少一个参考标记被设