The GQ10-50t fixed crane can perform loading and unloading operations between shore and ship, with high work efficiency, good operational stability, and flexible operation, making it an ideal loading and unloading equipment for inland lakes. Suitable for a large number of loading and unloading operations at the dock, users can choose to configure hooks or grab buckets. Using hooks or grab buckets for work, it can load and unload materials such as steel, bagged goods, wood, etc. with full working range. When using multi leg hooks, multiple items can be lifted. When equipped with electromagnetic suction cups, scrap steel can be lifted. Suitable for container and general cargo loading and unloading operations at port terminals. This model is a single arm frame type, with rack and pinion amplitude adjustment, and adopts a balanced pulley compensation straight wall frame. It is possible to cause horizontal displacement of the cargo during amplitude adjustment, thereby ensuring smooth movement, saving amplitude adjustment power, and increasing loading and unloading speed. Therefore, it can be loaded with variable amplitude and has high operational efficiency. This model can rotate 360l degrees, and the rotating support adopts a three row roller type rotating support, which runs smoothly. This model can be used for both lifting hooks, living quarters, and grab buckets. This model is designed and manufactured in accordance with the "GB3811-2008 Crane Design Specification" and the "GB6067-2010 Crane Safety Regulations".