A shrinkable mesh hole protector, an installation method of the hole protector, and a hole protector method
An installation method and a technology for hole protection, which are applied to drilling equipment and methods, earthwork drilling, blasting, etc., can solve problems such as hole collapse and difficulty in charging explosives, and achieve low cost, simple hole protection methods, and convenient operation. Effect
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[0039] Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.
[0040] like figure 1 As shown, this embodiment provides a shrinkable net-like hole protector, which includes a main body pipe network and a cone, and the main body pipe network is a ring-shaped shrinkable mesh structure; the cone's The plane is connected to the main pipe network, and the diameter of the plane of the cone is larger than the outer diameter of the main pipe network, and a stepped surface is formed on the outside of th...
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