Is there a tower crane for lifting containers?

A truck with a tower crane to lift containers. Tower cranes are used to lift containers, and Mitsubishi Heavy Industries Co., Ltd. applied for patent documents for cranes used for loading and unloading. Cranes refer to multi-function lifting machinery that vertically lifts and horizontally carries heavy objects within a certain range. Also known as crown block, crane and crane. The main feature of tire crane is that the cab and lifting control room are integrated into one. Different types of cranes usually take lifting torque as the main control. When the working range increases or the weight exceeds the corresponding rated load, the overturning moment of the weight exceeds its stable moment, which may lead to the collapse of the tower crane.