Safety protection device for reserved hole and construction method of safety protection device: Fid-Bau Portal

Safety protection device for reserved hole and construction method of safety protection device

YANG MING / HUANG CHENG / HUANG RIHUAN / LI YAN / LIU QUANBIN

The invention relates to a safety protection device for a reserved hole. The safety protection device comprises a support structure for clamping the hole and a protection structure located below the support structure, wherein the protection structure is connected with the support structure through a first steel lock chain and a second steel lock chain, the support structure comprises two or more steel support tubes distributed in parallel, steel tube slots which are shorter than the steel support tubes are formed in the steel support tubes in the length direction, two bolt and handle structural members which move in the length direction of the slots are mounted in the steel support tubes and are arranged oppositely, and the two bolt and handle structural members move towards two ends of the steel support tubes to clamp a concrete slab outside the hole. The safety protection device for the reserved hole has the advantages of being simple to manufacture, low in cost, safe, reliable, energy-saving, environmentally friendly and capable of being recycled.

本发明涉及一种预留洞口的安全防护装置，包括卡住洞口的支撑结构和位于所述支撑结构下方的防护结构，所述防护结构通过第一钢锁链和第二钢锁链与支撑结构连接，所述支撑结构包括两条以上并行分布的支撑钢管，所述支撑钢管上沿长度方向开设有长度小于支撑钢管的钢管开槽，所述支撑钢管内安装有两个沿钢管开槽长度方向移动的插销及把手结构件，两个插销及把手结构件相对设置，两个插销及把手结构件分别向支撑钢管的两端移动以卡住洞口外的混凝土板上。本发明预留洞口的安全防护装置具有制作简单、成本低、安全可靠、节能环保及可多次周转使用等优点。

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