A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention discloses a three-section type opposite-pull water-stopping screw, comprising: a middle screw, a first stretchable end screw, a second stretchable end screw, a mobile water stopping piece, a first water stopping piece fixing piece and a second water stopping piece fixing piece, two ends of the middle screw are respectively provided with the first stretchable end screw and the second stretchable end screw, the mobile water stopping piece is arranged on the middle screw, and two sides of the mobile stopping piece are respectively provided with the first water stopping piece fixing piece and the second water stopping piece fixing piece. By the above-mentioned manner, the length of the screw disclosed by the invention can be adjusted, the position of the water stopping piece can be adjusted too, and thus the screw brings convenience to practical application.
The invention discloses a three-section type opposite-pull water-stopping screw, comprising: a middle screw, a first stretchable end screw, a second stretchable end screw, a mobile water stopping piece, a first water stopping piece fixing piece and a second water stopping piece fixing piece, two ends of the middle screw are respectively provided with the first stretchable end screw and the second stretchable end screw, the mobile water stopping piece is arranged on the middle screw, and two sides of the mobile stopping piece are respectively provided with the first water stopping piece fixing piece and the second water stopping piece fixing piece. By the above-mentioned manner, the length of the screw disclosed by the invention can be adjusted, the position of the water stopping piece can be adjusted too, and thus the screw brings convenience to practical application.
Plugging structure at cutting position of opposite-pull screw
| European Patent Office | 2023
Plugging structure and plugging method for opposite-pull screw hole
| European Patent Office | 2023
Construction method for arc-shaped telescopic shear wall opposite-pull screw type wood formwork
| European Patent Office | 2021