This article mainly elaborate how to enhanced the hoist crane design level, proposed the bridge type hoist crane parameterization model establishment as well as the realization.
文章主要论述了如何提高起重机的设计水平，提出了桥式起重机的参数化模型的建立以及实现。
The vibration mechanical model of gantry and bridge crane is established by means of structural analysis.
通过对门桥式起重机的结构分析，建立了其振动力学模型。
Resorting to a simplified mechanical model, this paper makes a theoretical analysis of the dynamic response of the gantry crane and loading bridge when their their trolleys collide with buffers.
本文用简化的力学模型对龙门起重机和装卸桥小车撞击缓冲器时的动力响应进行理论分析。
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