Clamp for hoisting steel pipe

The utility model provides a clamp for hoisting a steel pipe. The clamp comprises a hoisting ring, two hinging frames, two arc-shaped clamping plates and a limiting block, each hinge frame comprises two movable handles and two clamping arms, and the two hinge frames are connected together through fo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUN HONGYAN, LIANG HUIDONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model provides a clamp for hoisting a steel pipe. The clamp comprises a hoisting ring, two hinging frames, two arc-shaped clamping plates and a limiting block, each hinge frame comprises two movable handles and two clamping arms, and the two hinge frames are connected together through four connecting rods; a lifting ring is hinged to the first connecting rod; a limiting frame is arranged between the second connecting rod and the third connecting rod; the outer side of each arc-shaped clamping plate is fixed to the two clamping arms, and a rolling shaft is arranged at the bottom end of each arc-shaped clamping plate. The limiting block is rectangular, two limiting holes are formed in the bottom end of the limiting block, and a handle is arranged at the top end of the limiting block. According to the utility model, the outer wall of the steel pipe can be prevented from being clamped and damaged when the steel pipe is hoisted by the fixture, the whole structure is stable, the steel pipe is not easy t