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发明公开
CN109534171A 一种四绳抓斗起重机钢丝绳断绳检测装置 无效 - 驳回

一种四绳抓斗起重机钢丝绳断绳检测装置
摘要：
本发明公开了一种四绳抓斗起重机钢丝绳断线检测装置，包括底座和滑块，所述底座内设置有供滑块滑行的导轨，所述滑块通过拉杆与套在需检测抓斗钢丝绳上的套环连接，所述滑块的一端通过可拉伸弹簧与底座连接，在弹簧压缩位置的底座上的滑块可触碰范围内设置有限位开关。本发明能通过检测滑块的状态检测四绳抓斗钢丝绳断线情况，并且在断线后停止起重机运行。
摘要（英）：

The invention discloses a steel wire rope breakage detection device of a four-rope grab crane. The device comprises a base and a sliding block, a guide rail for sliding of the sliding block is arranged in the base, the sliding block is connected with a sleeve ring which sleeves a steel wire rope needing to be detected through a pull rod, one end of the sliding block is connected with the base through a stretchable spring, and a limiting switch is arranged in a touch range of the sliding block on the base at the compression position of the spring. According to the device, the rope breakage situation of the four-rope grab crane steel wire rope can be detected by detecting the state of the sliding block, and the operation of the crane is stopped after the rope is broken.

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