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实用新型
CN203108892U 隔离清管球用自锁法兰 失效 - 权利终止 转让

隔离清管球用自锁法兰
摘要：
本实用新型公开了一种隔离清管球用自锁法兰。隔离清管球用自锁法兰，包括法兰片（1），法兰片（1）中部设有通孔（7），所述法兰片（1）设置有径向的锁销孔（8），锁销孔（8）的内端与通孔（7）连通，锁销孔（8）中设置有周向定位且可轴向滑动的自锁销（6），法兰片（1）中设置有使自锁销（6）外端伸入到通孔（7）内的弹簧（5），自锁销（6）的外端设置有斜面（9）。本实用新型具有仅允许清管球正向通过的功能，成功解决清管球隔离难的问题。可将清管作业所需的所有清管球一次性全部装入清管器中并且保证了间歇性发球，解决了清管球隔离难的问题，简化了装球流程，提高了作业的安全性。
摘要（英）：

The utility model discloses a self-locking flange for isolating pigging balls. The self-locking flange for isolating the pigging balls comprises a flange piece (1), a through hole (7) is formed in the middle of the flange piece (1), a radial locking pin hole (8) is formed in the flange piece (1), the inner end of the locking pin hole (8) is communicated with the through hole (7), a self-locking pin (6) capable of circumferentially positioning and axially sliding is arranged in the locking pin hole (8), a spring (5) enabling the outer end of the self-locking pin (6) to stretch into the through hole (7) is arranged in the flange piece (1), and an inclined plane (9) is arranged at the outer end of the self-locking pin (6). The self-locking flange has the function of only allowing the pigging balls to pass through in the forward direction, and the problem that the pigging balls are isolated difficultly is successfully solved. All pigging balls needed by pigging operation can be placed in a pigging device at one time, the pigging balls can be sent intermittently, the problem that the pigging balls are difficult to isolate is solved, ball filling procedures are simplified, and operational safety is improved.

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