Groove template assembly

A groove formwork assembly comprises a bottom formwork and side formworks arranged on the two sides of the bottom formwork, and further comprises an elastic piece and an air bag, the upper ends of the two side formworks are hinged, the bottom formwork is matched with the side formworks through wedge...

Full description

Saved in:
Bibliographic Details
Main Authors DUAN CHANGLIN, MAO CHENGBAO, SU JUNJIE, ZHENG HUAICHEN, ZHANG WEISONG
Format Patent
LanguageChinese
English
Published 27.12.2022
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
GALLERIES
LARGE UNDERGROUND CHAMBERS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
SHAFTS
TUNNELS
Online AccessGet full text

Cover

More Information
Summary:A groove formwork assembly comprises a bottom formwork and side formworks arranged on the two sides of the bottom formwork, and further comprises an elastic piece and an air bag, the upper ends of the two side formworks are hinged, the bottom formwork is matched with the side formworks through wedge faces, the elastic piece is connected between the two side formworks, the air bag is arranged between the two side formworks, and the elastic piece and the air bag are both located below the hinged position of the two side formworks. The air bag is inflated and expands to drive the two side formworks to rotate outwards around the hinged position of the upper ends, and inflation is stopped when the side formworks are in a vertical state. Meanwhile, the bottom die moves downwards to the lowest position under the pressure of the air bag and is matched with the side die plates to form a closed section, concrete pouring is conducted, and it is guaranteed that the shape of a formed groove is consistent with that of a de
Bibliography:Application Number: CN202222504419U