Formwork erecting device for construction of reserved pay-off hole of floor

• Main Authors: CAO HUAICHANG, LIAO XUYAO, JIN CHENG, ZHANG JIANING, CHEN QIANG, TAN XIAO, ZHANG ZHIWEN, HAN FEI
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2024
• 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 provides a formwork supporting device for construction of a reserved pay-off hole of a floor slab, and solves the problems that most reserved pay-off hole molds can only be used once, the turnover rate is low, and material waste is serious. The device comprises an outer cylinder and an inner supporting cylinder, the outer cylinder is of a big-end-up conical cylinder structure, the inner supporting cylinder is of a big-end-up conical cylinder structure, the inner supporting cylinder is movably inserted into the outer cylinder, and the side wall of the inner supporting cylinder is used for supporting the side wall of the outer cylinder; a top plate is fixedly arranged at the upper end opening of the inner supporting cylinder and can seal the upper end opening of the inner supporting cylinder, and a handle component is arranged on the top plate. The device is easy and fast to mount and dismount on site, has good universality and turnover performance, and meanwhile, due to the design of the coni