| 摘要 |
PURPOSE: A dustproof device for construction work is provided to prevent dust motes, fragments of building materials, etc. from dropping by scattering from the inside of a building structure to the outside completely, to install and dismantle simply, and to have a structure unaffected by climatic changes. CONSTITUTION: A dustproof device for construction works comprises: a dustproof frame(2) connected with a foldaway reinforcing rod(22) from a central support(20) to both sides; a slide channel(4) connected and assembled to the free end of the reinforcing rod, a connecting member(42) attached onto the slide channel integrally from four corners of the dustproof frame for installing a bar(44) temporarily; a fixing member arranged on the slab of each floor of a building structure to hang the connecting member(42) and to support the dustproof frame at a certain position; a winch carrier loading a winch pulling up the bar and moving to each floor of the building structure.
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