The invention relates to a cargo boom and a crane which are used for relieving the problem that the performance of a boom frame cannot meet the requirements of ultrahigh and overweight hoisting. The cargo boom comprises at least two of three kinds of boom frames, wherein the three kinds of boom frames comprise a basic boom frame, a first combined boom frame formed by combining two boom frame unitsand a second combined boom frame formed by combining two boom frame units and the basic boom frame. According to the cargo boom provided by the invention, different bearing requirements are met through combination and transformation of different boom frame forms and different numbers of boom frames.
本发明涉及一种起重臂及起重机,用于缓解臂架性能无法满足超高、超重吊装需求的问题。其中,起重臂包括三种臂架中的至少两种,其中,三种臂架包括:基本臂架;两个臂架单元组合成的第一组合臂架;以及两个臂架单元与所述基本臂架组合成的第二组合臂架。本公开提供的起重臂通过不同臂架形式以及不同数量的臂架的组合变换,来满足不同承载需求。
Crane boom and crane
起重臂及起重机
2021-01-22
Patent
Electronic Resource
Chinese
IPC: | B66C Krane , CRANES |