Cofferdam water and soil retaining structure suitable for house building: Fid-Bau Portal

Cofferdam water and soil retaining structure suitable for house building

ZHANG LIBIN / HOU XINYU / ZHAO YANGYANG

The invention relates to the technical field of house building cofferdams, in particular to a water and soil retaining structure suitable for house building cofferdams, which comprises four supporting piles, T-shaped grooves are formed in the tops of the supporting piles, movable steel plates are movably connected in the T-shaped grooves, first grooves are formed in two sides of each T-shaped groove, and air supply mechanisms are arranged in the first grooves; the sides, close to the T-shaped grooves, of the connecting plates are fixedly connected with second air bags, the sides, away from the T-shaped grooves, of the connecting plates are fixedly connected with first air bags, the first air bags located on the outer sides of the movable steel plates are fixedly connected with air conveying pipes, and the ends, away from the first air bags, of the air conveying pipes are fixedly connected with connecting pipes. Air is supplied through the air supply mechanism, the air conveying pipe and the Y-shaped pipe supply air to the first air bag and the second air bag, the first air bag preferentially expands to push the connecting plate to the movable steel plate, and the second air bag expands to block the gap between the movable steel plate and the T-shaped groove from the two sides, so that water and soil on the periphery of the device cannot enter the device, and the water and soil retaining effect is achieved.

本发明涉及房建围堰技术领域，具体的说是一种适用于房建类围堰挡水挡土结构，包括四个支撑桩，支撑桩顶部开设有T形槽，T形槽内活动连接有活动钢板，T形槽两侧设置有第一凹槽，第一凹槽内设置有供气机构；连接板靠近T形槽的一侧固定连接有第二气囊，连接板远离T形槽的一侧固定连接有第一气囊，位于活动钢板外侧的第一气囊固定连接有输气管，输气管远离第一气囊的一端固定连接有连接管。通过供气机构供气，使得输气管与Y形管向第一气囊与第二气囊供气，第一气囊优先膨胀将连接板向活动钢板推进，第二气囊膨胀后将活动钢板与T形槽之间的间隙从两侧堵住，使得装置外围的水与土均无法进入到内部，起到挡水挡土的效果。

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