Container crane

Abstract

The invention relates to a container crane. A regular port shoreside container loading bridge, a container gantry crane and the like have the problems that a steel wire rope between a container spreader and a trolley takes up much space, the container spreader is heavy and consumes much energy, the container has poor stability in the air and the like. A new trolley and a new container spreader are provided in the invention to effectively solve the problems and have the advantages of simple structure, economy and practicability, applicability to both large and small containers and detachable container spreaders.

Description

Technical field

[0001] The invention relates to a container crane. Background technique

[0002] Ordinary container cranes with walking trolleys, such as port quayside container loading and unloading bridges, site container gantry cranes, etc., are mainly composed of crane frames, wire rope drums, trolleys, wire ropes, spreaders, and twist locks. The existing problems: One is that the wire rope between the container spreader and the trolley occupies a lot of space. In some occasions where space is limited, such as on a ship with restricted headroom or when measuring instruments need to be added between the container and the trolley, etc. Cannot be applied; second, the container spreader is very heavy, some weighing about 10 tons, and it does reactive movement back and forth with the container, which wastes mechanical energy and electrical energy, increases the design weight of the crane structure, and increases the cost and cost; Single or four steel wire ropes are used to lift ...

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