《中国特种设备安全》2007年第6期刊登了《门式起重机上翘度的检验与计算》一文,文中对主梁两端不等高的门式起重机上翘度的计算提出了自己的观点。笔者也是起重机械的检验人员,认为文中的计算方法不妥。笔者以该文状况1为例,其他状况原理相同,不逐一论述。对于上翘度的计算,无论A、B两点是否等 “China Special Equipment Safety” 2007 the sixth published a “gantry crane lifting test and calculation,” a text, the article at both ends of the girder unequal height gantry crane calculation put forward their own point of view . The author is also a crane inspection staff, that the calculation of the text is not appropriate. The author of the paper 1 as an example, the other conditions the same principle, not one by one discussion. For the calculation of upturned, no matter whether A, B two points and so on