Dual-grounding device applied to transformer station guardrail
A double grounding, substation technology, applied in the direction of substation grounding layout, etc., can solve the problems of unreliable contact, affecting grounding effect, loose bolts, etc., to increase the effective contact surface, ensure the grounding effect, and increase the effect of firmness.
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[0040] Such as figure 1 and figure 2 As shown, a double grounding device applied to a substation guardrail 1 includes a U-shaped grounding block 2 arranged at the lower end of the guardrail 1 , and the open end of the grounding block 2 is fixedly connected to the guardrail 1 . As a specific implementation, in this embodiment, the ground block 2 is fixedly connected to the guardrail 1 by welding. A grounding wire 4 is provided on the surface of the grounding block 2 opposite to the guardrail 1, and the grounding wire 4 is an aluminum grounding wire 4 with a rectangular cross-section. The upper end of the grounding wire 4 is fixedly connected to the grounding block 2 through the connecting bolt 5 and the lock nut 6, and the connecting bolt 5 passes through the guardrail 1 and connects with the grounding column arranged inside the guardrail 1 3 connected. The lower ends of the grounding post 3 and the grounding wire 4 extend into the lower part of the ground respectively, and...
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