Underground measurement centering windproof device

The utility model discloses a centering windproof device for underground measurement. The device comprises a roadway and a stand column vertically arranged in the roadway. The stand column is limitedat the top end of a roadway through a fixing mechanism. Shielding windproof mechanisms are symmetrica...

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1. Verfasser: DING MINGDONG
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model discloses a centering windproof device for underground measurement. The device comprises a roadway and a stand column vertically arranged in the roadway. The stand column is limitedat the top end of a roadway through a fixing mechanism. Shielding windproof mechanisms are symmetrically arranged on the stand columns; the fixing mechanism comprises two U-shaped frames symmetricallyinstalled on the left side and the right side of the top end of the stand column. Grabbing claws are movably connected into the two U-shaped frames through second pin shafts correspondingly. And thetop ends of the two grabbing claws are hung on the outer edge of the top end of the roadway, the left ends and the right ends of the two second pin shafts are symmetrically sleeved with springs, the opposite ends of the two springs are fixedly connected with the side walls of the two sides of the grabbing claws correspondingly, and the back-to-back ends of the two springs are fixedly connected with the two opposite inner si