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实用新型
CN203781735U 一种带闭锁装置的双定向起重滑车 失效 - 放弃

一种带闭锁装置的双定向起重滑车
摘要：
本实用新型涉及一种带闭锁装置的双定向起重滑车，属于架空送电线路起重滑车设备技术领域。技术方案是：挂钩（1）固定在挂钩底座（13）上，挂钩底座两端分别连接护板，一侧护板上设有滑门（5），滑门连接滑门轴（6），滑门中间位置设有滑门孔（4），滑门孔呈三角状，滑门锁（3）从滑门孔（4）中穿过，另一侧护板上固定闭锁卡（21），闭锁卡两侧分别设有正面闭锁卡调节螺栓（7）和背面闭锁卡调节螺栓（15），滑轮（9）通过中心穿钉（11）固定在两个护板之间，正面齿轮盘（17）和背面齿轮盘（18）分别固定在滑轮（9）两侧。本实用新型的有益效果是：防止重物向下滑落，减轻工人劳动强度，结构简单，使用方便。
摘要（英）：

The utility model relates to a bi-directional lifting pulley with a locking device, and belongs to the technical field of overhead transmission line lifting pulley equipment. The bi-directional lifting pulley adopts the technical scheme that a hook (1) is fixed on a hook base (13), protecting plates are respectively connected to both ends of the hook base, a sliding door (5) is arranged on one protecting plate and connected with a sliding door shaft (6), a triangular sliding door hole (4) is formed in the middle of the sliding door, a sliding door lock (3) passes through the sliding door hole (4), a locking lug (21) is fixed on the other protecting plate, a front locking lug adjusting bolt (7) and a back locking lug adjusting bolt (15) are respectively arranged on both sides of the locking lug, a pulley (9) is fixed between the two protecting plates by a center nail (11), and a front gear disc (17) and a back gear disc (18) are respectively fixed on both sides of the pulley (9). The bi-directional lifting pulley has the beneficial effects of simple structure and convenience in use, heavy objects are prevented from sliding downward, and the labor intensity of workers is reduced.

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