论文部分内容阅读
在水平变幅塔式起重机中,起重臂设计得好与坏直接影响到整机的性能。我们想要得到轻型的起重臂,就得正确地处理好各参数的关系。合理地选择上弦吊点,就是其中的一个关键问题。
In horizontal luffing tower cranes, good or bad boom design directly affects the performance of the whole machine. We want to get a lightweight boom and we have to properly handle the relationship between the various parameters. Choosing the hanging point reasonably is one of the key issues.