Slip sand prevention device for packer

The utility model relates to the technical field of sand prevention equipment, and discloses a slip sand prevention device for a packer, which comprises a packer body, the upper side of the inner wall of the packer body is fixedly connected with a fixing ring, the inner wall of the fixing ring is in...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DU ZAOMING, LI YINGJIN, MAO MINGTAO, CUI SHUFENG, ZHU MINGRUI, DU DONGLIN, XU CHENGBO
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model relates to the technical field of sand prevention equipment, and discloses a slip sand prevention device for a packer, which comprises a packer body, the upper side of the inner wall of the packer body is fixedly connected with a fixing ring, the inner wall of the fixing ring is in threaded connection with a storage ring, the inner wall of the storage ring is provided with a plurality of mounting grooves, and the mounting grooves are in threaded connection with the storage ring. The upper side of each mounting groove is rotationally connected with a limiting piece, the lower side of one end of the outer side of each limiting piece is fixedly connected with a buckle, the lower side of the inner wall of each mounting groove is provided with a clamping groove, and the clamping grooves are matched with the buckles. According to the sand prevention net, the storage ring rotates in the fixing ring by rotating the auxiliary rod, then the positioning ring can be lifted upwards by rotating the limiti