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发明公开
CN107514208A 一种防寒装置 无效 - 驳回

一种防寒装置
摘要：
本发明提供一种防寒装置，包括：风门；设置于风门上的上弧挡板；设置于风门上与所述上弧挡板的下底面固定连接的上框挡板；设置于风门上与所述上框挡板的下底面连接的组合门，组合门包括左挡板与右挡板；设置于风门上并通过合页与所述左挡板的右侧连接的左扇门，以及通过合页与所述右挡板的左侧连接的右扇门。本发明可有效解决高寒地区隧道施工防寒的问题。
摘要（英）：

The invention provides a cold-proof device comprising an air door, an upper arc baffle, an upper frame baffle, a combined door, a left leaf door and a right leaf door. The upper arc baffle is arranged on the air door, the upper frame baffle is arranged on the air door and fixedly connected with the lower bottom face of the upper arc baffle, and the combined door is arranged on the air door and connected with the lower bottom face of the upper frame baffle and comprises a left baffle and a right baffle. The left leaf door is arranged on the air door and connected with the right side of the left baffle through hinges, and the right leaf door is connected with the left side of the right baffle through hinges. According to the cold-proof device, the cold-proof problem of tunnel construction in a high and cold area can be effectively solved.

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