Falling protector for well

The utility model provides an anti-falling device for a well. The anti-falling device for the well comprises an anti-falling net, a fixing piece, a reinforcing ring and a telescopic fixing piece. The anti-falling net is symmetrically and fixedly connected with the fixing piece along the center, and the fixing piece and the reinforcing ring are concentrically arranged and fixedly connected; the telescopic fixing pieces are symmetrically arranged outside the reinforcing ring in the rotating direction. One end of the telescopic fixing piece abuts against the reinforcing ring, and the other end of the telescopic fixing piece abuts against the inner wall of a well, so that the falling protector for the well is fixed to the inner wall of the well. According to the technical scheme, the anti-falling net can be installed without punching. 本实用新型提供了一种井用防坠器，包括防坠网、固定件、加强环及伸缩固定件；所述防坠网沿中心对称地与所述固定件固定连接，所述固定件与所述加强环同心设置且固定连接；所述伸缩固定件沿旋转对称地设置于所述加强环的外部；所述伸缩固定件的一端顶抵所述加强环，所述伸缩固定件的另一端顶抵井的内壁使得所述井用防坠器与井的内壁固定。应用本技术方案可实现免打孔安装防坠网。