Civil air defense door frame structure convenient to hoist
The utility model discloses a civil air defense door frame structure convenient to hoist, and relates to the related technical field of civil air defense door frames, the civil air defense door frame structure convenient to hoist comprises a civil air defense door frame, and a clamping mechanism is...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a civil air defense door frame structure convenient to hoist, and relates to the related technical field of civil air defense door frames, the civil air defense door frame structure convenient to hoist comprises a civil air defense door frame, and a clamping mechanism is arranged on the outer side of the civil air defense door frame; the clamping mechanism comprises a first hollow block arranged on one side of the door frame of the civil air defense door, and a threaded rod is rotationally connected into the first hollow block, so that the situation that the bend cannot be separated from the mounting groove after being used, and the bend does not need to be used again after the door frame is mounted, so that the bend can stay on the upper side of the door frame all the time, and the machining efficiency is improved is improved. According to the scheme, the clamping mechanism can be used for being connected with the crane and the civil air defense door frame, so that the crane can h |
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