Lightning protection device for pig house
The utility model relates to a pig house lightning protection device which comprises a base, a hand rotating wheel is arranged on the base, a threaded rod is arranged above the hand rotating wheel through a connecting shaft, a protection shell is arranged on the outer side of the hand rotating wheel...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model relates to a pig house lightning protection device which comprises a base, a hand rotating wheel is arranged on the base, a threaded rod is arranged above the hand rotating wheel through a connecting shaft, a protection shell is arranged on the outer side of the hand rotating wheel, limiting blocks are arranged at the two ends of the top of the protection shell, and limiting rods are arranged on the limiting blocks. The limiting rod is sleeved with a moving plate, a lightning rod is arranged in the middle of the moving plate, the top end of the threaded rod penetrates through the protective shell and the moving plate and extends into the lightning rod, the moving plate is in threaded connection with the threaded rod, the threaded rod can be driven by the hand rotating wheel to rotate, lifting of the moving plate is controlled, and therefore lifting of the lightning rod is controlled. A welding plate is arranged on the base, the downlead is welded to the welding plate, the downlead can be fix |
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