Rectangle fastener

The utility model belongs to the technical field of the buildings, in particular to a rectangle clamp used for fixing the formwork when the concrete column is cast. The utility model is in particular suitable for the casting of the concrete of the large-scale pier. The rectangle clamp consists of a...

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Bibliographic Details
Main Author HAN SHILING
Format Patent
LanguageChinese
English
Published 05.03.2008
Subjects
ASSEMBLY OF BRIDGES
BUILDING
BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE
CONSTRUCTION OF BRIDGES
CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
FIXED CONSTRUCTIONS
FORMS
HANDLING BUILDING MATERIALS ON THE SITE
OR VIADUCTS
REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS
SCAFFOLDING
SHUTTERING
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Summary:The utility model belongs to the technical field of the buildings, in particular to a rectangle clamp used for fixing the formwork when the concrete column is cast. The utility model is in particular suitable for the casting of the concrete of the large-scale pier. The rectangle clamp consists of a main clamp a, a secondary clamp b, a bolt c, a side tangent screw 1, a moment tangent screw 2, a bolt tangent screw 3, a bolt positioning screw 4, a lock frame 5, an L-shaped main rack for bolt bump orbit 6 and an L-shaped secondary rack for bolt bump orbit 7. The advantages of the utility model are that the utility model provides a rectangle clamp which can be used safely, is uniformly stressed inwards all over around, is not separated and loosened after being vibrated and has large assurance coefficient, compared with the prior art. The utility model has the advantages of simple structure, reliable performance and convenient use.
Bibliography:Application Number: CN2007263189U