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REVERSE LUFFING AND UTILITY BOOM CRANES

机译:逆向起绒和通用型起重臂

摘要

Cranes and crane systems with high capacity lifting capabilities, as well as versatility and relatively large operational areas. A crane of the present disclosure may have main boom pivotable about a substantially horizontal axis and a luffing assembly configured for luffing the boom about the axis. The main boom may be pivotable in both a forward luffing operation and a reverse or rearward luffing operation. In this way, the main boom may be operable within a range extending up to 180 degrees. Various adjustment mechanisms may be used to shift the main boom from a forward luffing operation to a reverse luffing operation. Additionally, a crane of the present disclosure may have a utility boom rotatable about a substantially vertical axis. The utility boom may allow for added lateral reach of the crane, thus further increasing the operational area of the crane.
机译:具有高起重能力,多功能性和相对较大操作区域的起重机和起重机系统。本公开的起重机可以具有可绕基本水平的轴线枢转的主动臂和构造成用于使动臂绕该轴线变幅的变幅组件。主动臂在向前变幅操作和向后变幅或向后变幅操作中均可枢转。这样,主动臂可以在延伸到180度的范围内操作。可以使用各种调节机构来将主起重臂从向前变幅操作转换为反向变幅操作。另外,本公开的起重机可以具有可绕基本竖直的轴线旋转的多用途吊臂。多用途吊臂可允许增加起重机的横向延伸范围,因此进一步增加了起重机的工作区域。

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