gantry crane中文什么意思

高架龙门起重机，跨线起重机。

• gantry:    n. 1.桶架。 2.【机械工程】龙 ...
• crane:    n. 1.鹤；〔口语〕苍鹭，鹭鸶，鹳 ...
• gantry (or gauntry, or gantry crane):    高架起重机

例句与用法

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1. If the site is small, it may be commanded by a gantry crane .
   假如场地小，则可采用龙门式吊车进行操作。
2. Overload protectionfor hall - gantry cranes
   用于车间起重机门起重机的过载保护
3. To be positioned and handled by hatch cover gantry crane
   用舱口龙门吊来吊放它们。
4. 2 gantry cranes of lifting weight 20 tons
   起重量20吨的大型龙门吊2台。
5. Interpretations : rules for construction of overhead and gantry cranes
   说明:高架结构和龙门吊的规则

百科释义

Gantry cranes, bridge cranes, and overhead cranes, are all types of cranes which lift objects by a hoist which is fitted in a hoist trolley and can move horizontally on a rail or pair of rails fitted under a beam. An overhead travelling crane, also known as an overhead crane or as a suspended crane, has the ends of the supporting beam resting on wheels running on rails at high level, usually on the parallel side walls of a factory or similar large industrial building, so that the whole crane can move the length of the building, while the hoist can be moved to and from across the width of the building.