Step tightening

The utility model provides a step-by-step tightening device. The clamping device comprises a hook-shaped clamping rod and a movable clamping head, the hook-shaped clamping rod comprises a straight rodand a clamping hook part arranged on the straight rod; the movable clamping head is in a triangular...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	WANG WEI, CHEN ZHIJUN, GUO FULI, WU TAO, WAN ZHIMEI, CHEN XIANGLONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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Beschreibung
Zusammenfassung:	The utility model provides a step-by-step tightening device. The clamping device comprises a hook-shaped clamping rod and a movable clamping head, the hook-shaped clamping rod comprises a straight rodand a clamping hook part arranged on the straight rod; the movable clamping head is in a triangular shape. The movable chuck is formed by mutually connecting three connecting plates; the three connecting plates include the first connecting plate, the second connecting plate and the third connecting plate, through holes are formed in the first connecting plate and the second connecting plate, theconnecting position of the first connecting plate and the second connecting plate is arranged downwards, the straight rod is arranged in the two through holes in a sliding and penetrating mode, and expansion holes are formed between the through holes and the straight rod. The utility model provides a movable chuck structure which is not easy to loosen or deform, more durable and capable of supporting a template more tightl