…Bridge cranes are widely used in outdoor material yards, steel structure assembly yards, shipbuilding docks, etc. Container cranes for unloading and loading containers, finished product cranes for unloading and loading steel materials, and unloaders (large capacity ones) dedicated to unloading bulk materials are in the form of bridge cranes, and the girders that extend out to the sea can be raised and lowered to avoid interference between the cranes and ships when they are moving. There are also bridge cranes with rubber tires that do not have running rails and can run on concrete roads, and are used in container yards, etc. … *Some of the terminology that mentions "unloader" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…橋形クレーンは,屋外の材料ヤード,鉄構組立てヤード,造船ドックなどで広く用いられる。コンテナーの陸揚げ・積込用のコンテナークレーン,鋼材の陸揚げ・積込用の成品クレーン,ばら物の陸揚専用のアンローダーunloader(大能力のもの)などは橋形クレーンの形をとり,クレーンや船の移動時に互いの干渉を避けるために海側に張り出した桁を起伏できるようにしている。このほか,走行レールを設けないで,コンクリート路面上を走行できるようにしたゴムタイヤ付きの橋形クレーンもあり,コンテナヤードなどで用いられる。… ※「unloader」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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