Spring pre-tightening pipe hoop

A spring pre-tightening pipe hoop comprises a left petal hoop, a right petal hoop, a left petal seat and a right petal seat. An inner rubber ring is arranged between the left petal hoop and the right petal hoop, a left wedge-shaped arc plate is arranged under the inner side of the left petal hoop, a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: LIU LIANWEI, CHEN GANG, DUAN KAILIN, ZHU BING
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:A spring pre-tightening pipe hoop comprises a left petal hoop, a right petal hoop, a left petal seat and a right petal seat. An inner rubber ring is arranged between the left petal hoop and the right petal hoop, a left wedge-shaped arc plate is arranged under the inner side of the left petal hoop, a right wedge-shaped arc plate is positioned above the inner side of the right petal hoop, a left pre-tightening bolt sequentially penetrates through the left petal seat, a left pre-tightening spring, the upper end of the left petal hoop and the upper end of the right petal hoop to be fixed, and a right pre-tightening bolt sequentially penetrates through the right petal seat, a right pre-tightening spring, the lower end of the right petal hoop and the lower end of the left petal hoop to be fixed. The spring pre-tightening pipe hoop can simultaneously screw up an upper nut and a lower nut to enable the left petal seat and the right petal seat to compress the left pre-tightening spring and the right pre-tightening spr