GQ130t-30m fixed crane is used for loading and unloading operations with variable extension below 130t at port terminals. The machine can perform lifting, variable amplitude, rotation and other actions. It adopts a non working variable amplitude straight wall frame type, and the weight of the main hook cargo can be increased below 85t, thereby increasing loading and unloading efficiency. This machine is equipped with a 10t auxiliary hook, which can be adjusted to any amplitude within the working range. The crane can rotate at any angle and perform joint actions with lifting and amplitude adjustment, enabling the goods to complete the operation in a short movement route and achieve high efficiency.