Quick mounting structure of detachable auxiliary boom

By combining the connecting frame, the angle-changing mechanism, and the rope-guarding roller assembly, the problem of complex installation of existing detachable secondary lifting booms is solved. This enables rapid installation and angle adjustment by a single person, improving installation efficiency and adaptability. It is suitable for lifting boom operations in complex scenarios such as wind power and bridges.

CN122403302APending Publication Date: 2026-07-17ANHUI LIUGONG CRANE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ANHUI LIUGONG CRANE
Filing Date
2026-06-05
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The existing detachable secondary lifting boom requires a large manpower investment, auxiliary equipment, poor adaptability, and cumbersome angle adjustment, making it difficult to meet the operational needs of complex scenarios.

Method used

It adopts a combined structure of connecting frame, angle changing mechanism, luffing plate and rope guide roller assembly. The auxiliary lifting arm and main lifting arm can be quickly connected and angle adjusted by pin shaft connection. The installation process is simplified by utilizing the traction and guiding effect of the auxiliary winch wire rope.

Benefits of technology

It enables quick single-person installation and angle adjustment of the detachable secondary lifting boom, reducing manpower and material input, improving installation efficiency and adaptability, and is suitable for lifting boom operations in complex scenarios such as wind power and bridges.

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Abstract

一种可拆卸式副起重臂的快速安装结构,包括主臂臂头、副起重臂、连接架、两个变角度机构、两个变幅拉板及挡绳滚轮组件。连接架后侧设有带开口槽的连接臂,与主臂臂头下滑轮轮轴的第一环形定位槽卡接;连接架前侧与副起重臂销接。变角度机构设于主臂臂头两侧,变幅拉板后部通过腰圆形通孔与变角度机构销接,前部经挡绳滚轮组件或销轴与连接架相连。安装时借助副卷扬钢丝绳牵引连接架及副起重臂,使开口槽与下滑轮轮轴卡接固定,再调节变幅拉板位置与连接架销接,通过主变幅机构调节副起重臂角度。本发明实现了副起重臂的单人快速安装,无需辅助起重设备,适配性强,角度调节便捷,显著提升了现场作业效率。
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Citation Information

Patent Citations

  • A detachable lightweight auxiliary lifting arm

    CN222714987U