A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Formwork of round opening
The invention discloses a formwork of a round opening. The lower end of a screw rod is rotationally supported in a hole of a base, a nut is rotationally matched with the screw rod, lug plates are evenly distributed on the outer peripheral face of the nut, the upper end of a connecting plate is hinged to the lug plates on the nut, the lower end of the connecting plate is hinged to lug plates on a foot plate, and a hand wheel is arranged at the upper end of the screw rod. The formwork has the remarkable advantages of being high in assembly and disassembly efficiency, good in quality and wide in application range.
Formwork of round opening
The invention discloses a formwork of a round opening. The lower end of a screw rod is rotationally supported in a hole of a base, a nut is rotationally matched with the screw rod, lug plates are evenly distributed on the outer peripheral face of the nut, the upper end of a connecting plate is hinged to the lug plates on the nut, the lower end of the connecting plate is hinged to lug plates on a foot plate, and a hand wheel is arranged at the upper end of the screw rod. The formwork has the remarkable advantages of being high in assembly and disassembly efficiency, good in quality and wide in application range.
Formwork of round opening
DONG XINHONG (author) / ZHU JIANMING (author) / MA TONGZHUANG (author) / LU QINGLIN (author) / YANG JUN (author) / ZHAO ANFU (author) / WANG WEIDONG (author)
2015-08-26
Patent
Electronic Resource
English
IPC:
E04G
SCAFFOLDING
,
Baugerüste
Reinforcing method of beam opening formwork and formwork reinforcing device
| European Patent Office | 2024
Round formwork reinforcing system and construction method
| European Patent Office | 2024