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发明公开
CN103754779A 履带起重机及其防后倾安全支腿 无效 - 驳回 复审申请

履带起重机及其防后倾安全支腿
摘要：
本发明公开了一种履带起重机及其防后倾安全支腿。该防后倾安全支腿包括竖向设置的支撑腿，所述支撑腿与履带起重机用于支撑可移动配重的支撑梁直接或间接地固定连接，所述支撑腿位于所述支撑梁的后方。本发明支撑腿的位置距离回转中心较远，因而不易与履带架等其它部分发生干涉，无需附加控制支腿动作的驱动装置，具有设计简单、使用方便、成本低、安全性高等方面的优点。
摘要（英）：

The invention discloses a crawler crane and an anti-backswept safety support legs thereof. The anti-backswept safety support legs comprise vertical support legs, wherein the support legs are in direct or indirect dead joint with a support beam of the crawler crane used for supporting a removable counter weight, and the support legs are arranged behind the support beam. Being far away from a center of rotation, the support legs are not easy to interfere with other parts such as a crawler rack, so that a driving device for controlling motion of the support legs is not needed, and the support leg has advantages of simple design, convenience in use, low cost, and high safety.

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