The rubber gantry crane is a mobile device used to move and stack storage containers. It is similar to the traditional gantry crane but is movable and commonly found in livestock yards and emergency situations. It can be used in multiple container yards without the need for traditional gantry crane equipment.
The rubber gantry crane (RTG crane) is a mobile device used to move and stack storage containers. Similar to the traditional gantry crane, which operates on a railway system, the rubber gantry crane is commonly found in livestock yards and other places where box-shaped storage containers are used. In the United States, the term is spelled Wheeled Gantry Crane.
A traditional gantry crane is a fixed fixture that straddles a railroad or road. The crane lowers a cable that is attached to rigging points on a storage container. The container is then lifted by crane and moved to the stack of other intermodal containers or loaded onto rail cars or flatbed trailers for shipment.
The rubber-tired gantry crane works on the same principle, with the exception that the entire rig is movable from one location to another, and the crane that sits atop the rig is also movable. This type of mobile gantry crane is useful in emergency cases or for temporary container depots. Due to the mobility of the wheeled gantry crane, it can be moved to a remote location and used to load or unload intermodal shipping containers.
In emergencies, a rubber gantry crane is often called in to fix the problem. The Portable Wheeled Gantry Crane can be used to remove loads from disabled trains or trucks. In some cases, the crane can be used to remove entire rail cars from railways. In natural disaster relief operations such as those following Hurricane Katrina, rubber-tired gantry cranes can be used to offload emergency supplies to areas where they are needed most.
Container yards can make the most of the available space by using a rubber gantry crane in conjunction with intermodal containers. Intermodal containers are designed in such a way that several pieces can be stacked in height. Traditional gantry cranes require a certain amount of space to be reserved for the rails on which the crane operates. The rubber tire gantry crane does not have this inherent space requirement because it can be moved outside the container yard once its task is completed. With this mobile design, such a gantry crane can be used in several container yards close to each other without the need to invest in traditional gantry crane equipment for each construction site.
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