Anti-falling device for dismantling old high-rise doors and windows

By using a combination of clamps and protective covers during the removal of old windows in high-rise buildings, the problems of complex installation and insufficient safety in existing technologies are solved, achieving a simple and safe dismantling effect.

CN224259941UActive Publication Date: 2026-05-19FUJIAN MINFA INTELLIGENT ALUMINUM TECH CO LTD
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Patent Information

Application Number
CN202520005818.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2026-05-19
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

During the demolition of old windows in high-rise buildings, existing protective devices are complex and costly to install, and sand and gravel particles and window parts are prone to fall during dismantling when it is windy on high floors, which cannot effectively guarantee safety.

Method used

The system uses a combination of detachable clamps and protective covers. The clamps hold the window around its perimeter, while the protective covers wrap around the wall opening. They are connected by ropes or hooks to form a closed structure. The bottom and sides of the protective cover have hardened and adhesive areas to reduce gaps. Plastic film or protective netting is used as the material for the protective cover.

Benefits of technology

It simplifies the installation process, improves disassembly safety, prevents sand and gravel particles and window parts from falling when it is windy on high floors, and reduces operational risks.

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Abstract

The utility model relates to the technical field of clamps, in particular to an anti-falling device for dismantling high-rise old doors and windows, which comprises a wall body and a wall opening arranged in the middle of the wall body, the wall body is provided with an inner wall surface and an outer wall surface, the anti-falling device further comprises a clamp which is detachably arranged on the wall body and positioned on the periphery of the wall opening, and a protective cover which is used for being connected with the clamp, the protective cover wraps the outer wall face of a wall opening, before a high-rise old door and window needs to be dismantled, the clamp is clamped to the peripheral position of a window, the protective cover is connected with the clamp, the window is wrapped after the protective cover is connected with the clamp, and the protective cover shields the wall opening. And meanwhile, as the clamp clamps the periphery of the window, the wall opening position of the wall can be surrounded and closed, door and window frame parts can be collected and shielded by the protective cover after accidentally falling, and the problems that an existing protective device is complex in installation, high-floor wind is heavy, and sand and stone particles and window parts fall out during disassembly are solved.
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