Self-luminous safety protection equipment for tunnel and underground engineering
The utility model discloses self-luminous safety protection equipment for tunnel and underground engineering, which comprises a transverse plate, a placing box is fixedly connected to the upper side wall of the transverse plate, a warning board is arranged in the placing box, a lifting mechanism for...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses self-luminous safety protection equipment for tunnel and underground engineering, which comprises a transverse plate, a placing box is fixedly connected to the upper side wall of the transverse plate, a warning board is arranged in the placing box, a lifting mechanism for lifting the warning board is arranged in the placing box, and the warning board is arranged in the lifting mechanism. The lifting mechanism comprises a reciprocating lead screw rotationally connected with the inner wall of the containing box, the side wall of the reciprocating lead screw is in threaded connection with a fixing plate, the fixing plate is fixedly connected to the side wall of the mounting plate, the side wall of the reciprocating lead screw is fixedly connected with a spur gear, and a rotating rod penetrates through the side wall of the containing box. After the warning board is used, the warning board can be contained in the containing box, the warning board is prevented from being collided in the |
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