Dustproof awning for foundation pit construction

The utility model discloses a dustproof awning for foundation pit construction, and relates to the technical field of dustproof awning, the dustproof awning comprises a steel cable, mounting pieces and dustproof nets, each dustproof net corresponds to the multiple mounting pieces, and each mounting piece comprises a mounting shaft, a hinge seat, a clamping plate, a limiting part and a mounting seat; the mounting seat is arranged on the mounting shaft and matched with the steel cable, the two clamping plates are hinged to the two opposite sides of the mounting shaft through the hinge seats respectively, the dustproof net can be clamped between the two clamping plates, and when the two clamping plates jointly clamp the dustproof net, the dustproof net can be clamped between the two clamping plates. And the limiting part can limit the separation of the two clamping plates. The dustproof net can be easily and repeatedly used. 本申请公开了一种基坑施工用防尘天幕，涉及防尘天幕的技术领域，其包括钢索、安装件以及防尘网，每个所述防尘网与多个所述安装件相对应，每个所述安装件包括安装轴、铰接座、夹持板、限位部