This paper describes the weaker lateral rigidity of the portal crane.

本文介绍该门式起重机横向刚度较弱的问题,可供类似临时结构参考.

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Working in the - air , portal crane has been widely used ind port, station, stack and so on.

露天作业的门座起重机,广泛的应用于港口、码头 、 车站 、 堆场等场所.

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The dynamic optimization method of determining the counterweight and its center portal crane is put forward.

提出了确定门机对重质量及其位置的动态优化法.

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The shipyard portal crane is designed for the setting in the shipyard and the large manufactory.

船厂门座式起重机是船厂或大型工厂安装用起重机.

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