Buckle and grounding trunk hole-free device and installation method

The invention discloses a buckle, a grounding main line hole-free device and an installation method, relates to the technical field of grounding main line installation, and is suitable for all construction engineering grounding main line indoor exposed laying grounding projects. Wherein the buckle is of an integrated groove type structure and comprises a horizontal part, the two sides of the horizontal part are connected with symmetrical external expansion parts which are folded upwards in an inclined mode, the external expansion parts are connected with clamping groove parts in the vertical direction, the clamping groove parts are connected with inwards-bent groove parts, and the groove part on one side is provided with a turning part; a through hole is formed in the center of the horizontal part. The grounding trunk hole-free device well overcomes the defects that traditional construction procedures are tedious, time is long, labor and cost are high and the like, and has the advantages ...