Guardrail device for constructional engineering: Fid-Bau Portal

Guardrail device for constructional engineering

DU HONG

The guardrail device for constructional engineering comprises connecting vertical rods and a connecting fence, the connecting fence is arranged between the two connecting vertical rods, each connecting vertical rod comprises a fixed supporting rod, supporting legs are fixed to the bottom of each fixed supporting rod, straight gears are symmetrically fixed to the two ends of each rotating shaft, and universal wheels are rotationally connected to the ends, away from each other, of the rotating shafts. A moving plate is slidably connected to the position, located between the two rotating shafts, in the supporting legs, moving frames are symmetrically fixed to the two sides of the moving plate, spur racks are symmetrically fixed to the bottoms of one ends of the moving frames and the tops of the other ends of the moving frames correspondingly, an operating rod is arranged on one side of the fixed supporting rod, and a linkage mechanism is arranged between the operating rod and the moving plate. According to the guardrail device for constructional engineering, the operating rod is pulled upwards to drive the moving plate to move rightwards, and the spur rack and the spur gear drive the universal wheels to rotate downwards and unfold, so that the universal wheels and the ground form support, and the device is convenient to move.

本发明公开了一种建筑工程用护栏装置，包括连接立杆和连接围栏，连接围栏设置在两个连接立杆之间，连接立杆包括固定支撑杆，固定支撑杆的底部固定有支脚，转轴的两端对称固定有直齿轮，转轴相互远离的一端均转动连接有万向轮，支脚的内部且位于两个转轴之间的位置滑动连接有移动板，移动板的两侧对称固定有移动框，移动框一端的底部和移动框另一端的顶部分别对称固定有直齿条，固定支撑杆的一侧设置有操作杆，操作杆与移动板之间设置有联动机构。本发明提供的一种建筑工程用护栏装置，通过向上扳动操作杆，带动移动板向右移动，并通过直齿条和直齿轮带动万向轮向下转动并展开，使得万向轮与地面形成支撑，从而便于装置进行移动。

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