Foundation pit supporting structure for foundation pit with tunnel on side wall: Fid-Bau Portal

Foundation pit supporting structure for foundation pit with tunnel on side wall

XU SUO

The invention discloses a foundation pit supporting structure for a foundation pit with a tunnel on the side wall. The supporting structure comprises a first supporting bottom plate arranged on one side of a tunnel wall, two worms are symmetrically arranged on the side wall of the first supporting bottom plate, the worms are in threaded connection with the side wall of the first supporting bottomplate, multiple universal wheels are arranged at the bottom ends of the worms, a motor is fixedly arranged on the side wall of the first supporting bottom plate and located between the two worms, thebottom ends of second rotating rods are fixedly connected with the output end of the motor, and the second rotating rods are connected with the worms on the two sides thereof through transmission assemblies. According to the supporting structure, on one hand, the universal wheels make contact with the ground, and an anti-skid bottom plate is separated from the ground, and the whole structure conveniently moves through rolling of the universal wheels; and on the other hand, the anti-skid bottom plate makes contact with the ground, so that the stability of the whole supporting structure is enhanced; and the supporting structure is suitable for supporting walls with different inclination degrees, the adaptability is high, and the structure is scientific and reasonable.

本发明公开了一种基坑侧壁有隧道的基坑支护结构，包括设置在隧道墙体一侧的支撑底板一，所述支撑底板一的侧壁上对称设置有两个蜗杆，所述蜗杆与支撑底板一的侧壁螺纹连接，所述蜗杆的底端安装有多个万向轮，所述支撑底板一的侧壁上固定安装有电机，且所述电机位于两个所述蜗杆之间设置，所述转动杆二的底端与电机的输出端固定连接，所述转动杆二与其两侧的蜗杆之间通过传动组件连接。本发明一方面可以通过设置的万向轮与地面接触，防滑底板与地面分隔开后，利用万向轮的滚动使得整个结构更加方便进行移动，另一方面使得防滑底板与地面接触，增强整个支护结构的稳定性，适用不同倾斜程度的墙体进行支护，适应性更强，结构更加科学合理。

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