Retracting-free tongue-and-groove component for door and window opening in aluminum alloy formwork construction

• Main Authors: WU QIXING, YANG HONGYONG, GUO YUNLONG, MA JIANCHUN, GAO BIN
• Format: Patent
• Language: Chinese; English
• Published: 01.07.2022
• Subjects: 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

The utility model discloses an aluminum alloy formwork construction door and window opening shrinkage-free tongue-and-groove component which comprises side plates and a top plate which are installed on the two sides of the inner wall of a door and window opening in a wall body, the two side plates are fixedly connected to the two ends of the bottom face of the top plate respectively, and a clamping mechanism is arranged on the outer side face of one side plate. The top plate is used for clamping and fixing the poured concrete output end mounting pipe, and trapezoidal blocks are connected to the top plate through a mounting mechanism, so that rabbets are formed in the positions of the trapezoidal blocks on the two sides of the door and window opening after concrete pouring is completed. According to the concrete pouring device, the mounting pipe at the output end of poured concrete can be clamped and fixed through the clamping mechanism, the stability during concrete pouring is improved, the position of the tr