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实用新型
CN203095452U 一种起重机臂及具有其的起重机 失效 - 权利终止

一种起重机臂及具有其的起重机
摘要：
本实用新型涉及一种起重机臂及具有其的起重机。该起重臂包括主臂和与前述主臂连接的副臂，前述起重机臂还包括：旋转驱动装置，设置在前述主臂的头部，前述旋转驱动装置用于驱动前述副臂向前述主臂的前方展开；安装调节装置，设置在前述主臂和前述副臂之间，前述安装调节装置用于在前述副臂的非工作状态下连接前述主臂和前述副臂。根据本实用新型的技术方案，由于起重臂中设置有旋转驱动装置和安装调节装置，既可以在副臂的非工作状态下将副臂方便、稳定地安装在主臂上，又可以在副臂的工作状态下快速、方便地展开副臂，操作简便，降低了劳动强度，提高了工作效率。
摘要（英）：

The utility model relates to a crane boom and a crane with the boom. The crane boom comprises a main boom and an auxiliary boom connected with the main boom; the crane boom also comprises a rotary driving device and a mounting adjusting device, wherein the rotary driving device is arranged on the head of the main boom and is used for driving the auxiliary boom to expand toward the front of the main boom; and the mounting adjusting device is arranged between the main boom and the auxiliary boom and is used for connecting the main boom and the auxiliary boom in the off-working state of the auxiliary boom. According to the technical scheme of the utility model, as the rotary driving device and the mounting adjusting device are arranged in the crane boom, the auxiliary boom be conveniently and stably arranged on the main boom in the off-working state of the auxiliary boom, or the auxiliary boom be fast and conveniently expanded in the working state of the auxiliary boom. The crane boom is simple and convenient to operate, reduces the labor intensity and improves the working efficiency.

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