Most of the general cargo transported by ship today is carried by container ship across the world's oceans. In addition to the common standard container, 2 TEU, there are also various specialized container types, with the standardized outer dimensions of 20 feet or 40 feet long, but also the sizes 10 and 45 feet occur, reefers for the transport of, for example, refrigerated and frozen cargo and containers for liquid cargo or project cargo that can be transported on a platform, so-called flat racks.
A relatively new development (several decades) is the container crane for loading and unloading containers. This is basically a heavy gantry crane where the girder for the trolley extends beyond the ends of the vertical support structure.
To load or unload container ships, the trolley must be able to extend far beyond the edge of the quay; some cranes can load and unload containers as wide as 28. The cranes grab the containers with a so-called spreader, so they can grab all kinds of different sized containers. There are also cranes with special spreaders that can grab 2 separate TEUs, this is called twinning. It is impractical to build a kind of dock for the gigantic ships so the crane is adapted to load and unload the ships.
Tilly Meijer , versatility and craftsmanship in photography. Like so many, Tilly Meijer started with photography as a hobby. Nature and especially animals are his favourite subjects, but her work is more versatile and testifies to a broad interest: from industrial photography to wedding photography, from.. Read more…